[22:32:44] ╭──────────────────────────────────────────────────────────────────────────────────────────── 🤖 Prompt: ────────────────────────────────────────────────────────────────────────────────────────────╮ utils.py:24
           │ Write Python code that extends the `Module` class below to complete the following task.                                                                                                            │
           │                                                                                                                                                                                                    │
           │ > Consider a street junction with 4 incoming roads. Each of the 4 roads has a traffic light, which are L1, L2, L3, L4. The traffic light has 4 states: green, yellow, red, and amber which happen  │
           │ in that order. Write a model of this junction with 4 traffic lights, showing a reasonable controller C that switches the green traffic lights in the following order: L1 and L3 together, then L2, │
           │ then L4. Use the variable names L1, L2, L3, L4, green, yellow, red, amber.                                                                                                                         │
           │                                                                                                                                                                                                    │
           │ Reply with your Python code inside one unique code block.                                                                                                                                          │
           │                                                                                                                                                                                                    │
           │ ```python                                                                                                                                                                                          │
           │ class Module:                                                                                                                                                                                      │
           │     """An abstract class to represent a UCLID5 module."""                                                                                                                                          │
           │                                                                                                                                                                                                    │
           │     def types(self):                                                                                                                                                                               │
           │         """(Optional) Defines the type declarations.                                                                                                                                               │
           │         For example, the following implementation defines a 8-bit type called T:                                                                                                                   │
           │         ```                                                                                                                                                                                        │
           │         def types(self):                                                                                                                                                                           │
           │             self.T = BitVector(8)                                                                                                                                                                  │
           │         ```                                                                                                                                                                                        │
           │         """                                                                                                                                                                                        │
           │         pass                                                                                                                                                                                       │
           │                                                                                                                                                                                                    │
           │     def locals(self):                                                                                                                                                                              │
           │         """(Optional) Defines the local variables and their types.                                                                                                                                 │
           │         For example, the following implementation defines an 8-bit variable x                                                                                                                      │
           │         and an integer variable y:                                                                                                                                                                 │
           │         ```                                                                                                                                                                                        │
           │         def locals(self):                                                                                                                                                                          │
           │             self.x = BitVector(8)                                                                                                                                                                  │
           │             self.y = Integer()                                                                                                                                                                     │
           │         ```                                                                                                                                                                                        │
           │         """                                                                                                                                                                                        │
           │         pass                                                                                                                                                                                       │
           │                                                                                                                                                                                                    │
           │     def inputs(self):                                                                                                                                                                              │
           │         """(Optional) Defines the input variables and their types.                                                                                                                                 │
           │         For example, the following implementation defines an input variable x,                                                                                                                     │
           │         which is an array of 8-bit bitvectors indexed by 2-bit bitvectors:                                                                                                                         │
           │         ```                                                                                                                                                                                        │
           │         def inputs(self):                                                                                                                                                                          │
           │             self.x = Array(BitVector(2), BitVector(8))                                                                                                                                             │
           │         ```                                                                                                                                                                                        │
           │         """                                                                                                                                                                                        │
           │         pass                                                                                                                                                                                       │
           │                                                                                                                                                                                                    │
           │     def outputs(self):                                                                                                                                                                             │
           │         """(Optional) Defines the output variables and their types.                                                                                                                                │
           │         For example, the following implementation defines an output variable y,                                                                                                                    │
           │         which is a real number:                                                                                                                                                                    │
           │         ```                                                                                                                                                                                        │
           │         def outputs(self):                                                                                                                                                                         │
           │             self.y = Real()                                                                                                                                                                        │
           │         ```                                                                                                                                                                                        │
           │         """                                                                                                                                                                                        │
           │         pass                                                                                                                                                                                       │
           │                                                                                                                                                                                                    │
           │     def shared_vars(self):                                                                                                                                                                         │
           │         """(Optional) Defines the shared variables and their types.                                                                                                                                │
           │         For example, the following implementation defines a shared variable z,                                                                                                                     │
           │         which is an array of booleans indexed by integers:                                                                                                                                         │
           │         ```                                                                                                                                                                                        │
           │         def shared_vars(self):                                                                                                                                                                     │
           │             self.z = Array(Integer(), Boolean())                                                                                                                                                   │
           │         ```                                                                                                                                                                                        │
           │         """                                                                                                                                                                                        │
           │         pass                                                                                                                                                                                       │
           │                                                                                                                                                                                                    │
           │     def instances(self):                                                                                                                                                                           │
           │         """(Optional) Defines the instances of other modules and relates their                                                                                                                     │
           │         input, output, and shared variables to local variables. Every instance                                                                                                                     │
           │         variable must be related to a local variable. For example, let M be                                                                                                                        │
           │         another module with inputs x and y, and output z. The following                                                                                                                            │
           │         implementation defines an instance of M called m, and connects M's                                                                                                                         │
           │         input variable x to the local variable self.a, M's input variable y to                                                                                                                     │
           │         the local variable self.b, and M's output variable z to the local                                                                                                                          │
           │         variable self.c:                                                                                                                                                                           │
           │         ```                                                                                                                                                                                        │
           │         def instances(self):                                                                                                                                                                       │
           │             self.m = M(x=self.a, y=self.b, z=self.c)                                                                                                                                               │
           │         ```                                                                                                                                                                                        │
           │         """                                                                                                                                                                                        │
           │         pass                                                                                                                                                                                       │
           │                                                                                                                                                                                                    │
           │     def init(self):                                                                                                                                                                                │
           │         """(Optional) Defines how variables are initialized.                                                                                                                                       │
           │         For example, the following implementation initializes x to 0 if y is                                                                                                                       │
           │         greater than or equal to 20:                                                                                                                                                               │
           │         ```                                                                                                                                                                                        │
           │         def init(self):                                                                                                                                                                            │
           │             if self.y >= 20:                                                                                                                                                                       │
           │                 self.x = 0                                                                                                                                                                         │
           │         ```                                                                                                                                                                                        │
           │         """                                                                                                                                                                                        │
           │         pass                                                                                                                                                                                       │
           │                                                                                                                                                                                                    │
           │     def next(self):                                                                                                                                                                                │
           │         """(Optional) Defines the transition relation.                                                                                                                                             │
           │         For example, the following implementation increments x or decrements y                                                                                                                     │
           │         depending on z:                                                                                                                                                                            │
           │         ```                                                                                                                                                                                        │
           │         def next(self):                                                                                                                                                                            │
           │             if self.z:                                                                                                                                                                             │
           │                 self.x = self.x + 1                                                                                                                                                                │
           │             else:                                                                                                                                                                                  │
           │                 self.y = self.y - 1                                                                                                                                                                │
           │         ```                                                                                                                                                                                        │
           │         """                                                                                                                                                                                        │
           │         pass                                                                                                                                                                                       │
           │                                                                                                                                                                                                    │
           │     def specification(self):                                                                                                                                                                       │
           │         """(Optional) Defines the specification in terms of invariant properties.                                                                                                                  │
           │                                                                                                                                                                                                    │
           │         Returns:                                                                                                                                                                                   │
           │             bool: True if the specification is satisfied, False otherwise.                                                                                                                         │
           │                                                                                                                                                                                                    │
           │         For example, the following implementation defines two invariants:                                                                                                                          │
           │         ```                                                                                                                                                                                        │
           │         def specification(self):                                                                                                                                                                   │
           │             return self.x < 10 and self.y > 0                                                                                                                                                      │
           │         """                                                                                                                                                                                        │
           │         pass                                                                                                                                                                                       │
           │                                                                                                                                                                                                    │
           │     def proof(self):                                                                                                                                                                               │
           │         """(Optional) Defines the control block.                                                                                                                                                   │
           │         For example, the following implementation uses 1-induction to prove                                                                                                                        │
           │         that the specification always holds:                                                                                                                                                       │
           │         ```                                                                                                                                                                                        │
           │         def proof(self):                                                                                                                                                                           │
           │             induction(1)                                                                                                                                                                           │
           │         ```                                                                                                                                                                                        │
           │         """                                                                                                                                                                                        │
           │         pass                                                                                                                                                                                       │
           │ ```                                                                                                                                                                                                │
           │                                                                                                                                                                                                    │
           │ I can definitely do that! Here is the Python code:                                                                                                                                                 │
           │ ```python                                                                                                                                                                                          │
           │                                                                                                                                                                                                    │
           ╰────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╯
[22:33:00] ╭─────────────────────────────────────────────────────────────────────────────────────────── 🧠 Response: ───────────────────────────────────────────────────────────────────────────────────────────╮ utils.py:42
           │ ```python                                                                                                                                                                                          │
           │ class TrafficLightController(Module):                                                                                                                                                              │
           │     def __init__(self):                                                                                                                                                                            │
           │         self.states = ['green', 'yellow', 'red', 'amber']                                                                                                                                          │
           │         self.current_state = { 'L1': 'red', 'L2': 'red', 'L3': 'red', 'L4': 'red' }                                                                                                                │
           │                                                                                                                                                                                                    │
           │     def types(self):                                                                                                                                                                               │
           │         self.TrafficLightState = self.states                                                                                                                                                       │
           │                                                                                                                                                                                                    │
           │     def locals(self):                                                                                                                                                                              │
           │         self.L1 = 'red'                                                                                                                                                                            │
           │         self.L2 = 'red'                                                                                                                                                                            │
           │         self.L3 = 'red'                                                                                                                                                                            │
           │         self.L4 = 'red'                                                                                                                                                                            │
           │         self.counter = 0                                                                                                                                                                           │
           │                                                                                                                                                                                                    │
           │     def init(self):                                                                                                                                                                                │
           │         self.L1 = 'red'                                                                                                                                                                            │
           │         self.L2 = 'red'                                                                                                                                                                            │
           │         self.L3 = 'red'                                                                                                                                                                            │
           │         self.L4 = 'red'                                                                                                                                                                            │
           │         self.counter = 0                                                                                                                                                                           │
           │                                                                                                                                                                                                    │
           │     def next(self):                                                                                                                                                                                │
           │         self.counter = (self.counter + 1) % 16                                                                                                                                                     │
           │                                                                                                                                                                                                    │
           │         if self.counter in (0, 1, 2, 3):                                                                                                                                                           │
           │             self.L1 = 'green'                                                                                                                                                                      │
           │             self.L3 = 'green'                                                                                                                                                                      │
           │             self.L2 = 'red'                                                                                                                                                                        │
           │             self.L4 = 'red'                                                                                                                                                                        │
           │         elif self.counter == 4:                                                                                                                                                                    │
           │             self.L1 = 'yellow'                                                                                                                                                                     │
           │             self.L3 = 'yellow'                                                                                                                                                                     │
           │         elif self.counter in (5, 6, 7, 8):                                                                                                                                                         │
           │             self.L2 = 'green'                                                                                                                                                                      │
           │             self.L1 = 'red'                                                                                                                                                                        │
           │             self.L3 = 'red'                                                                                                                                                                        │
           │             self.L4 = 'red'                                                                                                                                                                        │
           │         elif self.counter == 9:                                                                                                                                                                    │
           │             self.L2 = 'yellow'                                                                                                                                                                     │
           │         elif self.counter in (10, 11, 12, 13):                                                                                                                                                     │
           │             self.L4 = 'green'                                                                                                                                                                      │
           │             self.L1 = 'red'                                                                                                                                                                        │
           │             self.L2 = 'red'                                                                                                                                                                        │
           │             self.L3 = 'red'                                                                                                                                                                        │
           │         elif self.counter == 14:                                                                                                                                                                   │
           │             self.L4 = 'yellow'                                                                                                                                                                     │
           │         elif self.counter == 15:                                                                                                                                                                   │
           │             self.L1 = 'red'                                                                                                                                                                        │
           │             self.L2 = 'red'                                                                                                                                                                        │
           │             self.L3 = 'red'                                                                                                                                                                        │
           │             self.L4 = 'red'                                                                                                                                                                        │
           │                                                                                                                                                                                                    │
           │     def specification(self):                                                                                                                                                                       │
           │         return all(isinstance(getattr(self, light), str) and getattr(self, light) in self.states for light in ['L1', 'L2', 'L3', 'L4'])                                                            │
           │ ```                                                                                                                                                                                                │
           │ This code sets up a simple cyclic light controller with dummy types just represented by their state names. The `next` method handles state changes based on a counter and ensures the prescribed   │
           │ order and time duration of light states. This example assumes a very basic cycle without considering real-world issues such as sensor input or emergency overrides. The `specification` method     │
           │ simply checks that all light states are valid.                                                                                                                                                     │
           ╰────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╯
           ╭───────────────────────────────────────────────────────────── 🤖 Extracted: ─────────────────────────────────────────────────────────────╮                                                            utils.py:24
           │                                                                                                                                         │
           │ class TrafficLightController(Module):                                                                                                   │
           │     def __init__(self):                                                                                                                 │
           │         self.states = ['green', 'yellow', 'red', 'amber']                                                                               │
           │         self.current_state = { 'L1': 'red', 'L2': 'red', 'L3': 'red', 'L4': 'red' }                                                     │
           │                                                                                                                                         │
           │     def types(self):                                                                                                                    │
           │         self.TrafficLightState = self.states                                                                                            │
           │                                                                                                                                         │
           │     def locals(self):                                                                                                                   │
           │         self.L1 = 'red'                                                                                                                 │
           │         self.L2 = 'red'                                                                                                                 │
           │         self.L3 = 'red'                                                                                                                 │
           │         self.L4 = 'red'                                                                                                                 │
           │         self.counter = 0                                                                                                                │
           │                                                                                                                                         │
           │     def init(self):                                                                                                                     │
           │         self.L1 = 'red'                                                                                                                 │
           │         self.L2 = 'red'                                                                                                                 │
           │         self.L3 = 'red'                                                                                                                 │
           │         self.L4 = 'red'                                                                                                                 │
           │         self.counter = 0                                                                                                                │
           │                                                                                                                                         │
           │     def next(self):                                                                                                                     │
           │         self.counter = (self.counter + 1) % 16                                                                                          │
           │                                                                                                                                         │
           │         if self.counter in (0, 1, 2, 3):                                                                                                │
           │             self.L1 = 'green'                                                                                                           │
           │             self.L3 = 'green'                                                                                                           │
           │             self.L2 = 'red'                                                                                                             │
           │             self.L4 = 'red'                                                                                                             │
           │         elif self.counter == 4:                                                                                                         │
           │             self.L1 = 'yellow'                                                                                                          │
           │             self.L3 = 'yellow'                                                                                                          │
           │         elif self.counter in (5, 6, 7, 8):                                                                                              │
           │             self.L2 = 'green'                                                                                                           │
           │             self.L1 = 'red'                                                                                                             │
           │             self.L3 = 'red'                                                                                                             │
           │             self.L4 = 'red'                                                                                                             │
           │         elif self.counter == 9:                                                                                                         │
           │             self.L2 = 'yellow'                                                                                                          │
           │         elif self.counter in (10, 11, 12, 13):                                                                                          │
           │             self.L4 = 'green'                                                                                                           │
           │             self.L1 = 'red'                                                                                                             │
           │             self.L2 = 'red'                                                                                                             │
           │             self.L3 = 'red'                                                                                                             │
           │         elif self.counter == 14:                                                                                                        │
           │             self.L4 = 'yellow'                                                                                                          │
           │         elif self.counter == 15:                                                                                                        │
           │             self.L1 = 'red'                                                                                                             │
           │             self.L2 = 'red'                                                                                                             │
           │             self.L3 = 'red'                                                                                                             │
           │             self.L4 = 'red'                                                                                                             │
           │                                                                                                                                         │
           │     def specification(self):                                                                                                            │
           │         return all(isinstance(getattr(self, light), str) and getattr(self, light) in self.states for light in ['L1', 'L2', 'L3', 'L4']) │
           ╰─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╯
[22:33:01] ╭───────────────────────────────── 🤖 Repaired: ─────────────────────────────────╮                                                                                                                     utils.py:24
           │ class TrafficLightController(Module):                                          │
           │   def locals(self):                                                            │
           │     self.L1 = Enum("green", "red", "yellow")                                   │
           │     self.L2 = Enum("green", "red", "yellow")                                   │
           │     self.L3 = Enum("green", "red", "yellow")                                   │
           │     self.L4 = Enum("green", "red", "yellow")                                   │
           │     self.counter = BitVector(2)                                                │
           │                                                                                │
           │   def init(self):                                                              │
           │     self.L1 = "red"                                                            │
           │     self.L2 = "red"                                                            │
           │     self.L3 = "red"                                                            │
           │     self.L4 = "red"                                                            │
           │     self.counter = BitVectorVal(0, 2)                                          │
           │                                                                                │
           │   def next(self):                                                              │
           │     self.counter = ((self.counter + BitVectorVal(1, 2)) % BitVectorVal(16, 2)) │
           │     if ??:                                                                     │
           │       self.L1 = "green"                                                        │
           │       self.L3 = "green"                                                        │
           │       self.L2 = "red"                                                          │
           │       self.L4 = "red"                                                          │
           │     else:                                                                      │
           │       if (self.counter == BitVectorVal(4, 2)):                                 │
           │         self.L1 = "yellow"                                                     │
           │         self.L3 = "yellow"                                                     │
           │       else:                                                                    │
           │         if ??:                                                                 │
           │           self.L2 = "green"                                                    │
           │           self.L1 = "red"                                                      │
           │           self.L3 = "red"                                                      │
           │           self.L4 = "red"                                                      │
           │         else:                                                                  │
           │           if (self.counter == BitVectorVal(9, 2)):                             │
           │             self.L2 = "yellow"                                                 │
           │           else:                                                                │
           │             if ??:                                                             │
           │               self.L4 = "green"                                                │
           │               self.L1 = "red"                                                  │
           │               self.L2 = "red"                                                  │
           │               self.L3 = "red"                                                  │
           │             else:                                                              │
           │               if (self.counter == BitVectorVal(14, 2)):                        │
           │                 self.L4 = "yellow"                                             │
           │               else:                                                            │
           │                 if (self.counter == BitVectorVal(15, 2)):                      │
           │                   self.L1 = "red"                                              │
           │                   self.L2 = "red"                                              │
           │                   self.L3 = "red"                                              │
           │                   self.L4 = "red"                                              │
           │                                                                                │
           │                                                                                │
           ╰────────────────────────────────────────────────────────────────────────────────╯
           ╭──────────────────────────────────────────────────────────────────────────────────────────── 🤖 Prompt: ────────────────────────────────────────────────────────────────────────────────────────────╮ utils.py:24
           │                                                                                                                                                                                                    │
           │ Fix the following Python code by replacing every occurrence of `??` with the correct code.                                                                                                         │
           │ ```python                                                                                                                                                                                          │
           │ class TrafficLightController(Module):                                                                                                                                                              │
           │   def locals(self):                                                                                                                                                                                │
           │     self.L1 = Enum("green", "red", "yellow")                                                                                                                                                       │
           │     self.L2 = Enum("green", "red", "yellow")                                                                                                                                                       │
           │     self.L3 = Enum("green", "red", "yellow")                                                                                                                                                       │
           │     self.L4 = Enum("green", "red", "yellow")                                                                                                                                                       │
           │     self.counter = BitVector(2)                                                                                                                                                                    │
           │                                                                                                                                                                                                    │
           │   def init(self):                                                                                                                                                                                  │
           │     self.L1 = "red"                                                                                                                                                                                │
           │     self.L2 = "red"                                                                                                                                                                                │
           │     self.L3 = "red"                                                                                                                                                                                │
           │     self.L4 = "red"                                                                                                                                                                                │
           │     self.counter = BitVectorVal(0, 2)                                                                                                                                                              │
           │                                                                                                                                                                                                    │
           │   def next(self):                                                                                                                                                                                  │
           │     self.counter = ((self.counter + BitVectorVal(1, 2)) % BitVectorVal(16, 2))                                                                                                                     │
           │     if ??:                                                                                                                                                                                         │
           │       self.L1 = "green"                                                                                                                                                                            │
           │       self.L3 = "green"                                                                                                                                                                            │
           │       self.L2 = "red"                                                                                                                                                                              │
           │       self.L4 = "red"                                                                                                                                                                              │
           │     else:                                                                                                                                                                                          │
           │       if (self.counter == BitVectorVal(4, 2)):                                                                                                                                                     │
           │         self.L1 = "yellow"                                                                                                                                                                         │
           │         self.L3 = "yellow"                                                                                                                                                                         │
           │       else:                                                                                                                                                                                        │
           │         if ??:                                                                                                                                                                                     │
           │           self.L2 = "green"                                                                                                                                                                        │
           │           self.L1 = "red"                                                                                                                                                                          │
           │           self.L3 = "red"                                                                                                                                                                          │
           │           self.L4 = "red"                                                                                                                                                                          │
           │         else:                                                                                                                                                                                      │
           │           if (self.counter == BitVectorVal(9, 2)):                                                                                                                                                 │
           │             self.L2 = "yellow"                                                                                                                                                                     │
           │           else:                                                                                                                                                                                    │
           │             if ??:                                                                                                                                                                                 │
           │               self.L4 = "green"                                                                                                                                                                    │
           │               self.L1 = "red"                                                                                                                                                                      │
           │               self.L2 = "red"                                                                                                                                                                      │
           │               self.L3 = "red"                                                                                                                                                                      │
           │             else:                                                                                                                                                                                  │
           │               if (self.counter == BitVectorVal(14, 2)):                                                                                                                                            │
           │                 self.L4 = "yellow"                                                                                                                                                                 │
           │               else:                                                                                                                                                                                │
           │                 if (self.counter == BitVectorVal(15, 2)):                                                                                                                                          │
           │                   self.L1 = "red"                                                                                                                                                                  │
           │                   self.L2 = "red"                                                                                                                                                                  │
           │                   self.L3 = "red"                                                                                                                                                                  │
           │                   self.L4 = "red"                                                                                                                                                                  │
           │                                                                                                                                                                                                    │
           │                                                                                                                                                                                                    │
           │ ```                                                                                                                                                                                                │
           │ Make sure that your code extends the `Module` class below and that it completes the following task.                                                                                                │
           │                                                                                                                                                                                                    │
           │ > Consider a street junction with 4 incoming roads. Each of the 4 roads has a traffic light, which are L1, L2, L3, L4. The traffic light has 4 states: green, yellow, red, and amber which happen  │
           │ in that order. Write a model of this junction with 4 traffic lights, showing a reasonable controller C that switches the green traffic lights in the following order: L1 and L3 together, then L2, │
           │ then L4. Use the variable names L1, L2, L3, L4, green, yellow, red, amber.                                                                                                                         │
           │                                                                                                                                                                                                    │
           │ Reply with your Python code inside one unique code block.                                                                                                                                          │
           │                                                                                                                                                                                                    │
           │ ```python                                                                                                                                                                                          │
           │ class Module:                                                                                                                                                                                      │
           │     """An abstract class to represent a UCLID5 module."""                                                                                                                                          │
           │                                                                                                                                                                                                    │
           │     def types(self):                                                                                                                                                                               │
           │         """(Optional) Defines the type declarations.                                                                                                                                               │
           │         For example, the following implementation defines a 8-bit type called T:                                                                                                                   │
           │         ```                                                                                                                                                                                        │
           │         def types(self):                                                                                                                                                                           │
           │             self.T = BitVector(8)                                                                                                                                                                  │
           │         ```                                                                                                                                                                                        │
           │         """                                                                                                                                                                                        │
           │         pass                                                                                                                                                                                       │
           │                                                                                                                                                                                                    │
           │     def locals(self):                                                                                                                                                                              │
           │         """(Optional) Defines the local variables and their types.                                                                                                                                 │
           │         For example, the following implementation defines an 8-bit variable x                                                                                                                      │
           │         and an integer variable y:                                                                                                                                                                 │
           │         ```                                                                                                                                                                                        │
           │         def locals(self):                                                                                                                                                                          │
           │             self.x = BitVector(8)                                                                                                                                                                  │
           │             self.y = Integer()                                                                                                                                                                     │
           │         ```                                                                                                                                                                                        │
           │         """                                                                                                                                                                                        │
           │         pass                                                                                                                                                                                       │
           │                                                                                                                                                                                                    │
           │     def inputs(self):                                                                                                                                                                              │
           │         """(Optional) Defines the input variables and their types.                                                                                                                                 │
           │         For example, the following implementation defines an input variable x,                                                                                                                     │
           │         which is an array of 8-bit bitvectors indexed by 2-bit bitvectors:                                                                                                                         │
           │         ```                                                                                                                                                                                        │
           │         def inputs(self):                                                                                                                                                                          │
           │             self.x = Array(BitVector(2), BitVector(8))                                                                                                                                             │
           │         ```                                                                                                                                                                                        │
           │         """                                                                                                                                                                                        │
           │         pass                                                                                                                                                                                       │
           │                                                                                                                                                                                                    │
           │     def outputs(self):                                                                                                                                                                             │
           │         """(Optional) Defines the output variables and their types.                                                                                                                                │
           │         For example, the following implementation defines an output variable y,                                                                                                                    │
           │         which is a real number:                                                                                                                                                                    │
           │         ```                                                                                                                                                                                        │
           │         def outputs(self):                                                                                                                                                                         │
           │             self.y = Real()                                                                                                                                                                        │
           │         ```                                                                                                                                                                                        │
           │         """                                                                                                                                                                                        │
           │         pass                                                                                                                                                                                       │
           │                                                                                                                                                                                                    │
           │     def shared_vars(self):                                                                                                                                                                         │
           │         """(Optional) Defines the shared variables and their types.                                                                                                                                │
           │         For example, the following implementation defines a shared variable z,                                                                                                                     │
           │         which is an array of booleans indexed by integers:                                                                                                                                         │
           │         ```                                                                                                                                                                                        │
           │         def shared_vars(self):                                                                                                                                                                     │
           │             self.z = Array(Integer(), Boolean())                                                                                                                                                   │
           │         ```                                                                                                                                                                                        │
           │         """                                                                                                                                                                                        │
           │         pass                                                                                                                                                                                       │
           │                                                                                                                                                                                                    │
           │     def instances(self):                                                                                                                                                                           │
           │         """(Optional) Defines the instances of other modules and relates their                                                                                                                     │
           │         input, output, and shared variables to local variables. Every instance                                                                                                                     │
           │         variable must be related to a local variable. For example, let M be                                                                                                                        │
           │         another module with inputs x and y, and output z. The following                                                                                                                            │
           │         implementation defines an instance of M called m, and connects M's                                                                                                                         │
           │         input variable x to the local variable self.a, M's input variable y to                                                                                                                     │
           │         the local variable self.b, and M's output variable z to the local                                                                                                                          │
           │         variable self.c:                                                                                                                                                                           │
           │         ```                                                                                                                                                                                        │
           │         def instances(self):                                                                                                                                                                       │
           │             self.m = M(x=self.a, y=self.b, z=self.c)                                                                                                                                               │
           │         ```                                                                                                                                                                                        │
           │         """                                                                                                                                                                                        │
           │         pass                                                                                                                                                                                       │
           │                                                                                                                                                                                                    │
           │     def init(self):                                                                                                                                                                                │
           │         """(Optional) Defines how variables are initialized.                                                                                                                                       │
           │         For example, the following implementation initializes x to 0 if y is                                                                                                                       │
           │         greater than or equal to 20:                                                                                                                                                               │
           │         ```                                                                                                                                                                                        │
           │         def init(self):                                                                                                                                                                            │
           │             if self.y >= 20:                                                                                                                                                                       │
           │                 self.x = 0                                                                                                                                                                         │
           │         ```                                                                                                                                                                                        │
           │         """                                                                                                                                                                                        │
           │         pass                                                                                                                                                                                       │
           │                                                                                                                                                                                                    │
           │     def next(self):                                                                                                                                                                                │
           │         """(Optional) Defines the transition relation.                                                                                                                                             │
           │         For example, the following implementation increments x or decrements y                                                                                                                     │
           │         depending on z:                                                                                                                                                                            │
           │         ```                                                                                                                                                                                        │
           │         def next(self):                                                                                                                                                                            │
           │             if self.z:                                                                                                                                                                             │
           │                 self.x = self.x + 1                                                                                                                                                                │
           │             else:                                                                                                                                                                                  │
           │                 self.y = self.y - 1                                                                                                                                                                │
           │         ```                                                                                                                                                                                        │
           │         """                                                                                                                                                                                        │
           │         pass                                                                                                                                                                                       │
           │                                                                                                                                                                                                    │
           │     def specification(self):                                                                                                                                                                       │
           │         """(Optional) Defines the specification in terms of invariant properties.                                                                                                                  │
           │                                                                                                                                                                                                    │
           │         Returns:                                                                                                                                                                                   │
           │             bool: True if the specification is satisfied, False otherwise.                                                                                                                         │
           │                                                                                                                                                                                                    │
           │         For example, the following implementation defines two invariants:                                                                                                                          │
           │         ```                                                                                                                                                                                        │
           │         def specification(self):                                                                                                                                                                   │
           │             return self.x < 10 and self.y > 0                                                                                                                                                      │
           │         """                                                                                                                                                                                        │
           │         pass                                                                                                                                                                                       │
           │                                                                                                                                                                                                    │
           │     def proof(self):                                                                                                                                                                               │
           │         """(Optional) Defines the control block.                                                                                                                                                   │
           │         For example, the following implementation uses 1-induction to prove                                                                                                                        │
           │         that the specification always holds:                                                                                                                                                       │
           │         ```                                                                                                                                                                                        │
           │         def proof(self):                                                                                                                                                                           │
           │             induction(1)                                                                                                                                                                           │
           │         ```                                                                                                                                                                                        │
           │         """                                                                                                                                                                                        │
           │         pass                                                                                                                                                                                       │
           │ ```                                                                                                                                                                                                │
           │                                                                                                                                                                                                    │
           │ I can definitely do that! Here is the fixed Python code:                                                                                                                                           │
           │ ```python                                                                                                                                                                                          │
           │                                                                                                                                                                                                    │
           ╰────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╯
[22:33:13] ╭─────────────────────────────────────────────────────────────────────────────────────────── 🧠 Response: ───────────────────────────────────────────────────────────────────────────────────────────╮ utils.py:42
           │ ```python                                                                                                                                                                                          │
           │ class Module:                                                                                                                                                                                      │
           │     """An abstract class to represent a UCLID5 module."""                                                                                                                                          │
           │                                                                                                                                                                                                    │
           │ class TrafficLightController(Module):                                                                                                                                                              │
           │     def __init__(self):                                                                                                                                                                            │
           │         self.L1 = "red"                                                                                                                                                                            │
           │         self.L2 = "red"                                                                                                                                                                            │
           │         self.L3 = "red"                                                                                                                                                                            │
           │         self.L4 = "red"                                                                                                                                                                            │
           │         self.counter = 0                                                                                                                                                                           │
           │                                                                                                                                                                                                    │
           │     def next(self):                                                                                                                                                                                │
           │         self.counter = (self.counter + 1) % 16                                                                                                                                                     │
           │                                                                                                                                                                                                    │
           │         if self.counter in range(0, 4):  # cycle for L1 and L3                                                                                                                                     │
           │             self.L1 = "green"                                                                                                                                                                      │
           │             self.L3 = "green"                                                                                                                                                                      │
           │             self.L2 = "red"                                                                                                                                                                        │
           │             self.L4 = "red"                                                                                                                                                                        │
           │         elif self.counter == 4:                                                                                                                                                                    │
           │             self.L1 = "yellow"                                                                                                                                                                     │
           │             self.L3 = "yellow"                                                                                                                                                                     │
           │                                                                                                                                                                                                    │
           │         if self.counter in range(5, 9):  # cycle for L2                                                                                                                                            │
           │             self.L2 = "green"                                                                                                                                                                      │
           │             self.L1 = "red"                                                                                                                                                                        │
           │             self.L3 = "red"                                                                                                                                                                        │
           │             self.L4 = "red"                                                                                                                                                                        │
           │         elif self.counter == 9:                                                                                                                                                                    │
           │             self.L2 = "yellow"                                                                                                                                                                     │
           │                                                                                                                                                                                                    │
           │         if self.counter in range(10, 14):  # cycle for L4                                                                                                                                          │
           │             self.L4 = "green"                                                                                                                                                                      │
           │             self.L1 = "red"                                                                                                                                                                        │
           │             self.L2 = "red"                                                                                                                                                                        │
           │             self.L3 = "red"                                                                                                                                                                        │
           │         elif self.counter == 14:                                                                                                                                                                   │
           │             self.L4 = "yellow"                                                                                                                                                                     │
           │                                                                                                                                                                                                    │
           │         if self.counter == 15:  # reset all lights to red                                                                                                                                          │
           │             self.L1 = "red"                                                                                                                                                                        │
           │             self.L2 = "red"                                                                                                                                                                        │
           │             self.L3 = "red"                                                                                                                                                                        │
           │             self.L4 = "red"                                                                                                                                                                        │
           │ ```                                                                                                                                                                                                │
           │ This Python class `TrafficLightController` inherits from `Module` and implements a traffic light control system at a street junction. The `next()` method cycles through light changes to manage   │
           │ traffic flow, and handles all required transitions between green, yellow, and red states for four traffic lights according to a defined schedule.                                                  │
           ╰────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╯
           ╭──────────────────────── 🤖 Extracted: ─────────────────────────╮                                                                                                                                     utils.py:24
           │                                                                │
           │ class Module:                                                  │
           │     """An abstract class to represent a UCLID5 module."""      │
           │                                                                │
           │ class TrafficLightController(Module):                          │
           │     def __init__(self):                                        │
           │         self.L1 = "red"                                        │
           │         self.L2 = "red"                                        │
           │         self.L3 = "red"                                        │
           │         self.L4 = "red"                                        │
           │         self.counter = 0                                       │
           │                                                                │
           │     def next(self):                                            │
           │         self.counter = (self.counter + 1) % 16                 │
           │                                                                │
           │         if self.counter in range(0, 4):  # cycle for L1 and L3 │
           │             self.L1 = "green"                                  │
           │             self.L3 = "green"                                  │
           │             self.L2 = "red"                                    │
           │             self.L4 = "red"                                    │
           │         elif self.counter == 4:                                │
           │             self.L1 = "yellow"                                 │
           │             self.L3 = "yellow"                                 │
           │                                                                │
           │         if self.counter in range(5, 9):  # cycle for L2        │
           │             self.L2 = "green"                                  │
           │             self.L1 = "red"                                    │
           │             self.L3 = "red"                                    │
           │             self.L4 = "red"                                    │
           │         elif self.counter == 9:                                │
           │             self.L2 = "yellow"                                 │
           │                                                                │
           │         if self.counter in range(10, 14):  # cycle for L4      │
           │             self.L4 = "green"                                  │
           │             self.L1 = "red"                                    │
           │             self.L2 = "red"                                    │
           │             self.L3 = "red"                                    │
           │         elif self.counter == 14:                               │
           │             self.L4 = "yellow"                                 │
           │                                                                │
           │         if self.counter == 15:  # reset all lights to red      │
           │             self.L1 = "red"                                    │
           │             self.L2 = "red"                                    │
           │             self.L3 = "red"                                    │
           │             self.L4 = "red"                                    │
           ╰────────────────────────────────────────────────────────────────╯
[22:33:14] ╭───────────────────────────────── 🤖 Repaired: ─────────────────────────────────╮                                                                                                                     utils.py:24
           │ class TrafficLightController(Module):                                          │
           │   def locals(self):                                                            │
           │     self.L1 = Enum("green", "red", "yellow")                                   │
           │     self.L2 = Enum("green", "red", "yellow")                                   │
           │     self.L3 = Enum("green", "red", "yellow")                                   │
           │     self.L4 = Enum("green", "red", "yellow")                                   │
           │     self.counter = BitVector(2)                                                │
           │                                                                                │
           │   def next(self):                                                              │
           │     self.counter = ((self.counter + BitVectorVal(1, 2)) % BitVectorVal(16, 2)) │
           │     if ??:                                                                     │
           │       self.L1 = "green"                                                        │
           │       self.L3 = "green"                                                        │
           │       self.L2 = "red"                                                          │
           │       self.L4 = "red"                                                          │
           │     else:                                                                      │
           │       if (self.counter == BitVectorVal(4, 2)):                                 │
           │         self.L1 = "yellow"                                                     │
           │         self.L3 = "yellow"                                                     │
           │     if ??:                                                                     │
           │       self.L2 = "green"                                                        │
           │       self.L1 = "red"                                                          │
           │       self.L3 = "red"                                                          │
           │       self.L4 = "red"                                                          │
           │     else:                                                                      │
           │       if (self.counter == BitVectorVal(9, 2)):                                 │
           │         self.L2 = "yellow"                                                     │
           │     if ??:                                                                     │
           │       self.L4 = "green"                                                        │
           │       self.L1 = "red"                                                          │
           │       self.L2 = "red"                                                          │
           │       self.L3 = "red"                                                          │
           │     else:                                                                      │
           │       if (self.counter == BitVectorVal(14, 2)):                                │
           │         self.L4 = "yellow"                                                     │
           │     if (self.counter == BitVectorVal(15, 2)):                                  │
           │       self.L1 = "red"                                                          │
           │       self.L2 = "red"                                                          │
           │       self.L3 = "red"                                                          │
           │       self.L4 = "red"                                                          │
           │                                                                                │
           │                                                                                │
           ╰────────────────────────────────────────────────────────────────────────────────╯
           ╭──────────────────────────────────────────────────────────────────────────────────────────── 🤖 Prompt: ────────────────────────────────────────────────────────────────────────────────────────────╮ utils.py:24
           │                                                                                                                                                                                                    │
           │ Fix the following Python code by replacing every occurrence of `??` with the correct code.                                                                                                         │
           │ ```python                                                                                                                                                                                          │
           │ class TrafficLightController(Module):                                                                                                                                                              │
           │   def locals(self):                                                                                                                                                                                │
           │     self.L1 = Enum("green", "red", "yellow")                                                                                                                                                       │
           │     self.L2 = Enum("green", "red", "yellow")                                                                                                                                                       │
           │     self.L3 = Enum("green", "red", "yellow")                                                                                                                                                       │
           │     self.L4 = Enum("green", "red", "yellow")                                                                                                                                                       │
           │     self.counter = BitVector(2)                                                                                                                                                                    │
           │                                                                                                                                                                                                    │
           │   def next(self):                                                                                                                                                                                  │
           │     self.counter = ((self.counter + BitVectorVal(1, 2)) % BitVectorVal(16, 2))                                                                                                                     │
           │     if ??:                                                                                                                                                                                         │
           │       self.L1 = "green"                                                                                                                                                                            │
           │       self.L3 = "green"                                                                                                                                                                            │
           │       self.L2 = "red"                                                                                                                                                                              │
           │       self.L4 = "red"                                                                                                                                                                              │
           │     else:                                                                                                                                                                                          │
           │       if (self.counter == BitVectorVal(4, 2)):                                                                                                                                                     │
           │         self.L1 = "yellow"                                                                                                                                                                         │
           │         self.L3 = "yellow"                                                                                                                                                                         │
           │     if ??:                                                                                                                                                                                         │
           │       self.L2 = "green"                                                                                                                                                                            │
           │       self.L1 = "red"                                                                                                                                                                              │
           │       self.L3 = "red"                                                                                                                                                                              │
           │       self.L4 = "red"                                                                                                                                                                              │
           │     else:                                                                                                                                                                                          │
           │       if (self.counter == BitVectorVal(9, 2)):                                                                                                                                                     │
           │         self.L2 = "yellow"                                                                                                                                                                         │
           │     if ??:                                                                                                                                                                                         │
           │       self.L4 = "green"                                                                                                                                                                            │
           │       self.L1 = "red"                                                                                                                                                                              │
           │       self.L2 = "red"                                                                                                                                                                              │
           │       self.L3 = "red"                                                                                                                                                                              │
           │     else:                                                                                                                                                                                          │
           │       if (self.counter == BitVectorVal(14, 2)):                                                                                                                                                    │
           │         self.L4 = "yellow"                                                                                                                                                                         │
           │     if (self.counter == BitVectorVal(15, 2)):                                                                                                                                                      │
           │       self.L1 = "red"                                                                                                                                                                              │
           │       self.L2 = "red"                                                                                                                                                                              │
           │       self.L3 = "red"                                                                                                                                                                              │
           │       self.L4 = "red"                                                                                                                                                                              │
           │                                                                                                                                                                                                    │
           │                                                                                                                                                                                                    │
           │ ```                                                                                                                                                                                                │
           │ Make sure that your code extends the `Module` class below and that it completes the following task.                                                                                                │
           │                                                                                                                                                                                                    │
           │ > Consider a street junction with 4 incoming roads. Each of the 4 roads has a traffic light, which are L1, L2, L3, L4. The traffic light has 4 states: green, yellow, red, and amber which happen  │
           │ in that order. Write a model of this junction with 4 traffic lights, showing a reasonable controller C that switches the green traffic lights in the following order: L1 and L3 together, then L2, │
           │ then L4. Use the variable names L1, L2, L3, L4, green, yellow, red, amber.                                                                                                                         │
           │                                                                                                                                                                                                    │
           │ Reply with your Python code inside one unique code block.                                                                                                                                          │
           │                                                                                                                                                                                                    │
           │ ```python                                                                                                                                                                                          │
           │ class Module:                                                                                                                                                                                      │
           │     """An abstract class to represent a UCLID5 module."""                                                                                                                                          │
           │                                                                                                                                                                                                    │
           │     def types(self):                                                                                                                                                                               │
           │         """(Optional) Defines the type declarations.                                                                                                                                               │
           │         For example, the following implementation defines a 8-bit type called T:                                                                                                                   │
           │         ```                                                                                                                                                                                        │
           │         def types(self):                                                                                                                                                                           │
           │             self.T = BitVector(8)                                                                                                                                                                  │
           │         ```                                                                                                                                                                                        │
           │         """                                                                                                                                                                                        │
           │         pass                                                                                                                                                                                       │
           │                                                                                                                                                                                                    │
           │     def locals(self):                                                                                                                                                                              │
           │         """(Optional) Defines the local variables and their types.                                                                                                                                 │
           │         For example, the following implementation defines an 8-bit variable x                                                                                                                      │
           │         and an integer variable y:                                                                                                                                                                 │
           │         ```                                                                                                                                                                                        │
           │         def locals(self):                                                                                                                                                                          │
           │             self.x = BitVector(8)                                                                                                                                                                  │
           │             self.y = Integer()                                                                                                                                                                     │
           │         ```                                                                                                                                                                                        │
           │         """                                                                                                                                                                                        │
           │         pass                                                                                                                                                                                       │
           │                                                                                                                                                                                                    │
           │     def inputs(self):                                                                                                                                                                              │
           │         """(Optional) Defines the input variables and their types.                                                                                                                                 │
           │         For example, the following implementation defines an input variable x,                                                                                                                     │
           │         which is an array of 8-bit bitvectors indexed by 2-bit bitvectors:                                                                                                                         │
           │         ```                                                                                                                                                                                        │
           │         def inputs(self):                                                                                                                                                                          │
           │             self.x = Array(BitVector(2), BitVector(8))                                                                                                                                             │
           │         ```                                                                                                                                                                                        │
           │         """                                                                                                                                                                                        │
           │         pass                                                                                                                                                                                       │
           │                                                                                                                                                                                                    │
           │     def outputs(self):                                                                                                                                                                             │
           │         """(Optional) Defines the output variables and their types.                                                                                                                                │
           │         For example, the following implementation defines an output variable y,                                                                                                                    │
           │         which is a real number:                                                                                                                                                                    │
           │         ```                                                                                                                                                                                        │
           │         def outputs(self):                                                                                                                                                                         │
           │             self.y = Real()                                                                                                                                                                        │
           │         ```                                                                                                                                                                                        │
           │         """                                                                                                                                                                                        │
           │         pass                                                                                                                                                                                       │
           │                                                                                                                                                                                                    │
           │     def shared_vars(self):                                                                                                                                                                         │
           │         """(Optional) Defines the shared variables and their types.                                                                                                                                │
           │         For example, the following implementation defines a shared variable z,                                                                                                                     │
           │         which is an array of booleans indexed by integers:                                                                                                                                         │
           │         ```                                                                                                                                                                                        │
           │         def shared_vars(self):                                                                                                                                                                     │
           │             self.z = Array(Integer(), Boolean())                                                                                                                                                   │
           │         ```                                                                                                                                                                                        │
           │         """                                                                                                                                                                                        │
           │         pass                                                                                                                                                                                       │
           │                                                                                                                                                                                                    │
           │     def instances(self):                                                                                                                                                                           │
           │         """(Optional) Defines the instances of other modules and relates their                                                                                                                     │
           │         input, output, and shared variables to local variables. Every instance                                                                                                                     │
           │         variable must be related to a local variable. For example, let M be                                                                                                                        │
           │         another module with inputs x and y, and output z. The following                                                                                                                            │
           │         implementation defines an instance of M called m, and connects M's                                                                                                                         │
           │         input variable x to the local variable self.a, M's input variable y to                                                                                                                     │
           │         the local variable self.b, and M's output variable z to the local                                                                                                                          │
           │         variable self.c:                                                                                                                                                                           │
           │         ```                                                                                                                                                                                        │
           │         def instances(self):                                                                                                                                                                       │
           │             self.m = M(x=self.a, y=self.b, z=self.c)                                                                                                                                               │
           │         ```                                                                                                                                                                                        │
           │         """                                                                                                                                                                                        │
           │         pass                                                                                                                                                                                       │
           │                                                                                                                                                                                                    │
           │     def init(self):                                                                                                                                                                                │
           │         """(Optional) Defines how variables are initialized.                                                                                                                                       │
           │         For example, the following implementation initializes x to 0 if y is                                                                                                                       │
           │         greater than or equal to 20:                                                                                                                                                               │
           │         ```                                                                                                                                                                                        │
           │         def init(self):                                                                                                                                                                            │
           │             if self.y >= 20:                                                                                                                                                                       │
           │                 self.x = 0                                                                                                                                                                         │
           │         ```                                                                                                                                                                                        │
           │         """                                                                                                                                                                                        │
           │         pass                                                                                                                                                                                       │
           │                                                                                                                                                                                                    │
           │     def next(self):                                                                                                                                                                                │
           │         """(Optional) Defines the transition relation.                                                                                                                                             │
           │         For example, the following implementation increments x or decrements y                                                                                                                     │
           │         depending on z:                                                                                                                                                                            │
           │         ```                                                                                                                                                                                        │
           │         def next(self):                                                                                                                                                                            │
           │             if self.z:                                                                                                                                                                             │
           │                 self.x = self.x + 1                                                                                                                                                                │
           │             else:                                                                                                                                                                                  │
           │                 self.y = self.y - 1                                                                                                                                                                │
           │         ```                                                                                                                                                                                        │
           │         """                                                                                                                                                                                        │
           │         pass                                                                                                                                                                                       │
           │                                                                                                                                                                                                    │
           │     def specification(self):                                                                                                                                                                       │
           │         """(Optional) Defines the specification in terms of invariant properties.                                                                                                                  │
           │                                                                                                                                                                                                    │
           │         Returns:                                                                                                                                                                                   │
           │             bool: True if the specification is satisfied, False otherwise.                                                                                                                         │
           │                                                                                                                                                                                                    │
           │         For example, the following implementation defines two invariants:                                                                                                                          │
           │         ```                                                                                                                                                                                        │
           │         def specification(self):                                                                                                                                                                   │
           │             return self.x < 10 and self.y > 0                                                                                                                                                      │
           │         """                                                                                                                                                                                        │
           │         pass                                                                                                                                                                                       │
           │                                                                                                                                                                                                    │
           │     def proof(self):                                                                                                                                                                               │
           │         """(Optional) Defines the control block.                                                                                                                                                   │
           │         For example, the following implementation uses 1-induction to prove                                                                                                                        │
           │         that the specification always holds:                                                                                                                                                       │
           │         ```                                                                                                                                                                                        │
           │         def proof(self):                                                                                                                                                                           │
           │             induction(1)                                                                                                                                                                           │
           │         ```                                                                                                                                                                                        │
           │         """                                                                                                                                                                                        │
           │         pass                                                                                                                                                                                       │
           │ ```                                                                                                                                                                                                │
           │                                                                                                                                                                                                    │
           │ I can definitely do that! Here is the fixed Python code:                                                                                                                                           │
           │ ```python                                                                                                                                                                                          │
           │                                                                                                                                                                                                    │
           ╰────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╯
[22:33:25] ╭─────────────────────────────────────────────────────────────────────────────────────────── 🧠 Response: ───────────────────────────────────────────────────────────────────────────────────────────╮ utils.py:42
           │ ```python                                                                                                                                                                                          │
           │ class Module:                                                                                                                                                                                      │
           │     """An abstract class to represent a UCLID5 module."""                                                                                                                                          │
           │                                                                                                                                                                                                    │
           │                                                                                                                                                                                                    │
           │ class TrafficLightController(Module):                                                                                                                                                              │
           │     def __init__(self):                                                                                                                                                                            │
           │         self.L1 = "red"                                                                                                                                                                            │
           │         self.L2 = "red"                                                                                                                                                                            │
           │         self.L3 = "red"                                                                                                                                                                            │
           │         self.L4 = "red"                                                                                                                                                                            │
           │         self.counter = 0                                                                                                                                                                           │
           │                                                                                                                                                                                                    │
           │     def next(self):                                                                                                                                                                                │
           │         self.counter = (self.counter + 1) % 16                                                                                                                                                     │
           │                                                                                                                                                                                                    │
           │         # Cycle for L1 & L3                                                                                                                                                                        │
           │         if self.counter == 0:                                                                                                                                                                      │
           │             self.L1 = "green"                                                                                                                                                                      │
           │             self.L3 = "green"                                                                                                                                                                      │
           │             self.L2 = "red"                                                                                                                                                                        │
           │             self.L4 = "red"                                                                                                                                                                        │
           │         elif self.counter == 3:                                                                                                                                                                    │
           │             self.L1 = "yellow"                                                                                                                                                                     │
           │             self.L3 = "yellow"                                                                                                                                                                     │
           │         elif self.counter == 4:                                                                                                                                                                    │
           │             self.L1 = "red"                                                                                                                                                                        │
           │             self.L3 = "red"                                                                                                                                                                        │
           │                                                                                                                                                                                                    │
           │         # Cycle for L2                                                                                                                                                                             │
           │         if self.counter == 4:                                                                                                                                                                      │
           │             self.L2 = "green"                                                                                                                                                                      │
           │         elif self.counter == 8:                                                                                                                                                                    │
           │             self.L2 = "yellow"                                                                                                                                                                     │
           │         elif self.counter == 9:                                                                                                                                                                    │
           │             self.L2 = "red"                                                                                                                                                                        │
           │                                                                                                                                                                                                    │
           │         # Cycle for L4                                                                                                                                                                             │
           │         if self.counter == 9:                                                                                                                                                                      │
           │             self.L4 = "green"                                                                                                                                                                      │
           │         elif self.counter == 13:                                                                                                                                                                   │
           │             self.L4 = "yellow"                                                                                                                                                                     │
           │         elif self.counter == 14:                                                                                                                                                                   │
           │             self.L4 = "red"                                                                                                                                                                        │
           │                                                                                                                                                                                                    │
           │         # All red phase                                                                                                                                                                            │
           │         if self.counter == 15:                                                                                                                                                                     │
           │             self.L1 = "red"                                                                                                                                                                        │
           │             self.L2 = "red"                                                                                                                                                                        │
           │             self.L3 = "red"                                                                                                                                                                        │
           │             self.L4 = "red"                                                                                                                                                                        │
           │ ```                                                                                                                                                                                                │
           │ This corrected Python code defines a traffic light system where L1 & L3 operate together, followed by L2, then L4. Each cycle includes a green, yellow, and red phase. Additionally, there is a    │
           │ special 'check' if all lights should be set to red at the end of the cycle.                                                                                                                        │
           ╰────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╯
           ╭────────────────────── 🤖 Extracted: ──────────────────────╮                                                                                                                                          utils.py:24
           │                                                           │
           │ class Module:                                             │
           │     """An abstract class to represent a UCLID5 module.""" │
           │                                                           │
           │                                                           │
           │ class TrafficLightController(Module):                     │
           │     def __init__(self):                                   │
           │         self.L1 = "red"                                   │
           │         self.L2 = "red"                                   │
           │         self.L3 = "red"                                   │
           │         self.L4 = "red"                                   │
           │         self.counter = 0                                  │
           │                                                           │
           │     def next(self):                                       │
           │         self.counter = (self.counter + 1) % 16            │
           │                                                           │
           │         # Cycle for L1 & L3                               │
           │         if self.counter == 0:                             │
           │             self.L1 = "green"                             │
           │             self.L3 = "green"                             │
           │             self.L2 = "red"                               │
           │             self.L4 = "red"                               │
           │         elif self.counter == 3:                           │
           │             self.L1 = "yellow"                            │
           │             self.L3 = "yellow"                            │
           │         elif self.counter == 4:                           │
           │             self.L1 = "red"                               │
           │             self.L3 = "red"                               │
           │                                                           │
           │         # Cycle for L2                                    │
           │         if self.counter == 4:                             │
           │             self.L2 = "green"                             │
           │         elif self.counter == 8:                           │
           │             self.L2 = "yellow"                            │
           │         elif self.counter == 9:                           │
           │             self.L2 = "red"                               │
           │                                                           │
           │         # Cycle for L4                                    │
           │         if self.counter == 9:                             │
           │             self.L4 = "green"                             │
           │         elif self.counter == 13:                          │
           │             self.L4 = "yellow"                            │
           │         elif self.counter == 14:                          │
           │             self.L4 = "red"                               │
           │                                                           │
           │         # All red phase                                   │
           │         if self.counter == 15:                            │
           │             self.L1 = "red"                               │
           │             self.L2 = "red"                               │
           │             self.L3 = "red"                               │
           │             self.L4 = "red"                               │
           ╰───────────────────────────────────────────────────────────╯
[22:33:26] ╭───────────────────────────────── 🤖 Repaired: ─────────────────────────────────╮                                                                                                                     utils.py:24
           │ class TrafficLightController(Module):                                          │
           │   def locals(self):                                                            │
           │     self.L1 = Enum("green", "red", "yellow")                                   │
           │     self.L2 = Enum("green", "red", "yellow")                                   │
           │     self.L3 = Enum("green", "red", "yellow")                                   │
           │     self.L4 = Enum("green", "red", "yellow")                                   │
           │     self.counter = BitVector(2)                                                │
           │                                                                                │
           │   def next(self):                                                              │
           │     self.counter = ((self.counter + BitVectorVal(1, 2)) % BitVectorVal(16, 2)) │
           │     if (self.counter == BitVectorVal(0, 2)):                                   │
           │       self.L1 = "green"                                                        │
           │       self.L3 = "green"                                                        │
           │       self.L2 = "red"                                                          │
           │       self.L4 = "red"                                                          │
           │     else:                                                                      │
           │       if (self.counter == BitVectorVal(3, 2)):                                 │
           │         self.L1 = "yellow"                                                     │
           │         self.L3 = "yellow"                                                     │
           │       else:                                                                    │
           │         if (self.counter == BitVectorVal(4, 2)):                               │
           │           self.L1 = "red"                                                      │
           │           self.L3 = "red"                                                      │
           │     if (self.counter == BitVectorVal(4, 2)):                                   │
           │       self.L2 = "green"                                                        │
           │     else:                                                                      │
           │       if (self.counter == BitVectorVal(8, 2)):                                 │
           │         self.L2 = "yellow"                                                     │
           │       else:                                                                    │
           │         if (self.counter == BitVectorVal(9, 2)):                               │
           │           self.L2 = "red"                                                      │
           │     if (self.counter == BitVectorVal(9, 2)):                                   │
           │       self.L4 = "green"                                                        │
           │     else:                                                                      │
           │       if (self.counter == BitVectorVal(13, 2)):                                │
           │         self.L4 = "yellow"                                                     │
           │       else:                                                                    │
           │         if (self.counter == BitVectorVal(14, 2)):                              │
           │           self.L4 = "red"                                                      │
           │     if (self.counter == BitVectorVal(15, 2)):                                  │
           │       self.L1 = "red"                                                          │
           │       self.L2 = "red"                                                          │
           │       self.L3 = "red"                                                          │
           │       self.L4 = "red"                                                          │
           │                                                                                │
           │                                                                                │
           ╰────────────────────────────────────────────────────────────────────────────────╯
           ╭────── 🤖 Stats: ───────╮                                                                                                                                                                             utils.py:24
           │ Original Lines: 56     │
           │ Final Lines:    45     │
           │ LLM Calls:      3      │
           │ LLM Time:       39.34s │
           │ Repair Time:    2.63s  │
           ╰────────────────────────╯
