(* Generated by coq-of-rust *)
Require Import CoqOfRust.CoqOfRust.

Module instructions.
  Module bitwise.
    (*
    pub fn lt<H: Host + ?Sized>(interpreter: &mut Interpreter, _host: &mut H) {
        gas!(interpreter, gas::VERYLOW);
        pop_top!(interpreter, op1, op2);
        *op2 = U256::from(op1 < *op2);
    }
    *)
    Definition lt (ε : list Value.t) (τ : list Ty.t) (α : list Value.t) : M :=
      match ε, τ, α with
      | [], [ H ], [ interpreter; _host ] =>
        ltac:(M.monadic
          (let interpreter := M.alloc (| interpreter |) in
          let _host := M.alloc (| _host |) in
          M.catch_return (|
            ltac:(M.monadic
              (M.read (|
                let~ _ :=
                  M.match_operator (|
                    M.alloc (| Value.Tuple [] |),
                    [
                      fun γ =>
                        ltac:(M.monadic
                          (let γ :=
                            M.use
                              (M.alloc (|
                                UnOp.not (|
                                  M.call_closure (|
                                    M.get_associated_function (|
                                      Ty.path "revm_interpreter::gas::Gas",
                                      "record_cost",
                                      []
                                    |),
                                    [
                                      M.SubPointer.get_struct_record_field (|
                                        M.read (| interpreter |),
                                        "revm_interpreter::interpreter::Interpreter",
                                        "gas"
                                      |);
                                      M.read (|
                                        M.get_constant (|
                                          "revm_interpreter::gas::constants::VERYLOW"
                                        |)
                                      |)
                                    ]
                                  |)
                                |)
                              |)) in
                          let _ :=
                            M.is_constant_or_break_match (| M.read (| γ |), Value.Bool true |) in
                          M.alloc (|
                            M.never_to_any (|
                              M.read (|
                                let~ _ :=
                                  M.write (|
                                    M.SubPointer.get_struct_record_field (|
                                      M.read (| interpreter |),
                                      "revm_interpreter::interpreter::Interpreter",
                                      "instruction_result"
                                    |),
                                    Value.StructTuple
                                      "revm_interpreter::instruction_result::InstructionResult::OutOfGas"
                                      []
                                  |) in
                                M.return_ (| Value.Tuple [] |)
                              |)
                            |)
                          |)));
                      fun γ => ltac:(M.monadic (M.alloc (| Value.Tuple [] |)))
                    ]
                  |) in
                let~ _ :=
                  M.match_operator (|
                    M.alloc (| Value.Tuple [] |),
                    [
                      fun γ =>
                        ltac:(M.monadic
                          (let γ :=
                            M.use
                              (M.alloc (|
                                BinOp.lt (|
                                  M.call_closure (|
                                    M.get_associated_function (|
                                      Ty.path "revm_interpreter::interpreter::stack::Stack",
                                      "len",
                                      []
                                    |),
                                    [
                                      M.SubPointer.get_struct_record_field (|
                                        M.read (| interpreter |),
                                        "revm_interpreter::interpreter::Interpreter",
                                        "stack"
                                      |)
                                    ]
                                  |),
                                  Value.Integer IntegerKind.Usize 2
                                |)
                              |)) in
                          let _ :=
                            M.is_constant_or_break_match (| M.read (| γ |), Value.Bool true |) in
                          M.alloc (|
                            M.never_to_any (|
                              M.read (|
                                let~ _ :=
                                  M.write (|
                                    M.SubPointer.get_struct_record_field (|
                                      M.read (| interpreter |),
                                      "revm_interpreter::interpreter::Interpreter",
                                      "instruction_result"
                                    |),
                                    Value.StructTuple
                                      "revm_interpreter::instruction_result::InstructionResult::StackUnderflow"
                                      []
                                  |) in
                                M.return_ (| Value.Tuple [] |)
                              |)
                            |)
                          |)));
                      fun γ => ltac:(M.monadic (M.alloc (| Value.Tuple [] |)))
                    ]
                  |) in
                M.match_operator (|
                  M.alloc (|
                    M.call_closure (|
                      M.get_associated_function (|
                        Ty.path "revm_interpreter::interpreter::stack::Stack",
                        "pop_top_unsafe",
                        []
                      |),
                      [
                        M.SubPointer.get_struct_record_field (|
                          M.read (| interpreter |),
                          "revm_interpreter::interpreter::Interpreter",
                          "stack"
                        |)
                      ]
                    |)
                  |),
                  [
                    fun γ =>
                      ltac:(M.monadic
                        (let γ0_0 := M.SubPointer.get_tuple_field (| γ, 0 |) in
                        let γ0_1 := M.SubPointer.get_tuple_field (| γ, 1 |) in
                        let op1 := M.copy (| γ0_0 |) in
                        let op2 := M.copy (| γ0_1 |) in
                        let~ _ :=
                          M.write (|
                            M.read (| op2 |),
                            M.call_closure (|
                              M.get_associated_function (|
                                Ty.apply
                                  (Ty.path "ruint::Uint")
                                  [
                                    Value.Integer IntegerKind.Usize 256;
                                    Value.Integer IntegerKind.Usize 4
                                  ]
                                  [],
                                "from",
                                [ Ty.path "bool" ]
                              |),
                              [
                                M.call_closure (|
                                  M.get_trait_method (|
                                    "core::cmp::PartialOrd",
                                    Ty.apply
                                      (Ty.path "ruint::Uint")
                                      [
                                        Value.Integer IntegerKind.Usize 256;
                                        Value.Integer IntegerKind.Usize 4
                                      ]
                                      [],
                                    [
                                      Ty.apply
                                        (Ty.path "ruint::Uint")
                                        [
                                          Value.Integer IntegerKind.Usize 256;
                                          Value.Integer IntegerKind.Usize 4
                                        ]
                                        []
                                    ],
                                    "lt",
                                    []
                                  |),
                                  [ op1; M.read (| op2 |) ]
                                |)
                              ]
                            |)
                          |) in
                        M.alloc (| Value.Tuple [] |)))
                  ]
                |)
              |)))
          |)))
      | _, _, _ => M.impossible "wrong number of arguments"
      end.
    
    Axiom Function_lt : M.IsFunction "revm_interpreter::instructions::bitwise::lt" lt.
    
    (*
    pub fn gt<H: Host + ?Sized>(interpreter: &mut Interpreter, _host: &mut H) {
        gas!(interpreter, gas::VERYLOW);
        pop_top!(interpreter, op1, op2);
        *op2 = U256::from(op1 > *op2);
    }
    *)
    Definition gt (ε : list Value.t) (τ : list Ty.t) (α : list Value.t) : M :=
      match ε, τ, α with
      | [], [ H ], [ interpreter; _host ] =>
        ltac:(M.monadic
          (let interpreter := M.alloc (| interpreter |) in
          let _host := M.alloc (| _host |) in
          M.catch_return (|
            ltac:(M.monadic
              (M.read (|
                let~ _ :=
                  M.match_operator (|
                    M.alloc (| Value.Tuple [] |),
                    [
                      fun γ =>
                        ltac:(M.monadic
                          (let γ :=
                            M.use
                              (M.alloc (|
                                UnOp.not (|
                                  M.call_closure (|
                                    M.get_associated_function (|
                                      Ty.path "revm_interpreter::gas::Gas",
                                      "record_cost",
                                      []
                                    |),
                                    [
                                      M.SubPointer.get_struct_record_field (|
                                        M.read (| interpreter |),
                                        "revm_interpreter::interpreter::Interpreter",
                                        "gas"
                                      |);
                                      M.read (|
                                        M.get_constant (|
                                          "revm_interpreter::gas::constants::VERYLOW"
                                        |)
                                      |)
                                    ]
                                  |)
                                |)
                              |)) in
                          let _ :=
                            M.is_constant_or_break_match (| M.read (| γ |), Value.Bool true |) in
                          M.alloc (|
                            M.never_to_any (|
                              M.read (|
                                let~ _ :=
                                  M.write (|
                                    M.SubPointer.get_struct_record_field (|
                                      M.read (| interpreter |),
                                      "revm_interpreter::interpreter::Interpreter",
                                      "instruction_result"
                                    |),
                                    Value.StructTuple
                                      "revm_interpreter::instruction_result::InstructionResult::OutOfGas"
                                      []
                                  |) in
                                M.return_ (| Value.Tuple [] |)
                              |)
                            |)
                          |)));
                      fun γ => ltac:(M.monadic (M.alloc (| Value.Tuple [] |)))
                    ]
                  |) in
                let~ _ :=
                  M.match_operator (|
                    M.alloc (| Value.Tuple [] |),
                    [
                      fun γ =>
                        ltac:(M.monadic
                          (let γ :=
                            M.use
                              (M.alloc (|
                                BinOp.lt (|
                                  M.call_closure (|
                                    M.get_associated_function (|
                                      Ty.path "revm_interpreter::interpreter::stack::Stack",
                                      "len",
                                      []
                                    |),
                                    [
                                      M.SubPointer.get_struct_record_field (|
                                        M.read (| interpreter |),
                                        "revm_interpreter::interpreter::Interpreter",
                                        "stack"
                                      |)
                                    ]
                                  |),
                                  Value.Integer IntegerKind.Usize 2
                                |)
                              |)) in
                          let _ :=
                            M.is_constant_or_break_match (| M.read (| γ |), Value.Bool true |) in
                          M.alloc (|
                            M.never_to_any (|
                              M.read (|
                                let~ _ :=
                                  M.write (|
                                    M.SubPointer.get_struct_record_field (|
                                      M.read (| interpreter |),
                                      "revm_interpreter::interpreter::Interpreter",
                                      "instruction_result"
                                    |),
                                    Value.StructTuple
                                      "revm_interpreter::instruction_result::InstructionResult::StackUnderflow"
                                      []
                                  |) in
                                M.return_ (| Value.Tuple [] |)
                              |)
                            |)
                          |)));
                      fun γ => ltac:(M.monadic (M.alloc (| Value.Tuple [] |)))
                    ]
                  |) in
                M.match_operator (|
                  M.alloc (|
                    M.call_closure (|
                      M.get_associated_function (|
                        Ty.path "revm_interpreter::interpreter::stack::Stack",
                        "pop_top_unsafe",
                        []
                      |),
                      [
                        M.SubPointer.get_struct_record_field (|
                          M.read (| interpreter |),
                          "revm_interpreter::interpreter::Interpreter",
                          "stack"
                        |)
                      ]
                    |)
                  |),
                  [
                    fun γ =>
                      ltac:(M.monadic
                        (let γ0_0 := M.SubPointer.get_tuple_field (| γ, 0 |) in
                        let γ0_1 := M.SubPointer.get_tuple_field (| γ, 1 |) in
                        let op1 := M.copy (| γ0_0 |) in
                        let op2 := M.copy (| γ0_1 |) in
                        let~ _ :=
                          M.write (|
                            M.read (| op2 |),
                            M.call_closure (|
                              M.get_associated_function (|
                                Ty.apply
                                  (Ty.path "ruint::Uint")
                                  [
                                    Value.Integer IntegerKind.Usize 256;
                                    Value.Integer IntegerKind.Usize 4
                                  ]
                                  [],
                                "from",
                                [ Ty.path "bool" ]
                              |),
                              [
                                M.call_closure (|
                                  M.get_trait_method (|
                                    "core::cmp::PartialOrd",
                                    Ty.apply
                                      (Ty.path "ruint::Uint")
                                      [
                                        Value.Integer IntegerKind.Usize 256;
                                        Value.Integer IntegerKind.Usize 4
                                      ]
                                      [],
                                    [
                                      Ty.apply
                                        (Ty.path "ruint::Uint")
                                        [
                                          Value.Integer IntegerKind.Usize 256;
                                          Value.Integer IntegerKind.Usize 4
                                        ]
                                        []
                                    ],
                                    "gt",
                                    []
                                  |),
                                  [ op1; M.read (| op2 |) ]
                                |)
                              ]
                            |)
                          |) in
                        M.alloc (| Value.Tuple [] |)))
                  ]
                |)
              |)))
          |)))
      | _, _, _ => M.impossible "wrong number of arguments"
      end.
    
    Axiom Function_gt : M.IsFunction "revm_interpreter::instructions::bitwise::gt" gt.
    
    (*
    pub fn slt<H: Host + ?Sized>(interpreter: &mut Interpreter, _host: &mut H) {
        gas!(interpreter, gas::VERYLOW);
        pop_top!(interpreter, op1, op2);
        *op2 = U256::from(i256_cmp(&op1, op2) == Ordering::Less);
    }
    *)
    Definition slt (ε : list Value.t) (τ : list Ty.t) (α : list Value.t) : M :=
      match ε, τ, α with
      | [], [ H ], [ interpreter; _host ] =>
        ltac:(M.monadic
          (let interpreter := M.alloc (| interpreter |) in
          let _host := M.alloc (| _host |) in
          M.catch_return (|
            ltac:(M.monadic
              (M.read (|
                let~ _ :=
                  M.match_operator (|
                    M.alloc (| Value.Tuple [] |),
                    [
                      fun γ =>
                        ltac:(M.monadic
                          (let γ :=
                            M.use
                              (M.alloc (|
                                UnOp.not (|
                                  M.call_closure (|
                                    M.get_associated_function (|
                                      Ty.path "revm_interpreter::gas::Gas",
                                      "record_cost",
                                      []
                                    |),
                                    [
                                      M.SubPointer.get_struct_record_field (|
                                        M.read (| interpreter |),
                                        "revm_interpreter::interpreter::Interpreter",
                                        "gas"
                                      |);
                                      M.read (|
                                        M.get_constant (|
                                          "revm_interpreter::gas::constants::VERYLOW"
                                        |)
                                      |)
                                    ]
                                  |)
                                |)
                              |)) in
                          let _ :=
                            M.is_constant_or_break_match (| M.read (| γ |), Value.Bool true |) in
                          M.alloc (|
                            M.never_to_any (|
                              M.read (|
                                let~ _ :=
                                  M.write (|
                                    M.SubPointer.get_struct_record_field (|
                                      M.read (| interpreter |),
                                      "revm_interpreter::interpreter::Interpreter",
                                      "instruction_result"
                                    |),
                                    Value.StructTuple
                                      "revm_interpreter::instruction_result::InstructionResult::OutOfGas"
                                      []
                                  |) in
                                M.return_ (| Value.Tuple [] |)
                              |)
                            |)
                          |)));
                      fun γ => ltac:(M.monadic (M.alloc (| Value.Tuple [] |)))
                    ]
                  |) in
                let~ _ :=
                  M.match_operator (|
                    M.alloc (| Value.Tuple [] |),
                    [
                      fun γ =>
                        ltac:(M.monadic
                          (let γ :=
                            M.use
                              (M.alloc (|
                                BinOp.lt (|
                                  M.call_closure (|
                                    M.get_associated_function (|
                                      Ty.path "revm_interpreter::interpreter::stack::Stack",
                                      "len",
                                      []
                                    |),
                                    [
                                      M.SubPointer.get_struct_record_field (|
                                        M.read (| interpreter |),
                                        "revm_interpreter::interpreter::Interpreter",
                                        "stack"
                                      |)
                                    ]
                                  |),
                                  Value.Integer IntegerKind.Usize 2
                                |)
                              |)) in
                          let _ :=
                            M.is_constant_or_break_match (| M.read (| γ |), Value.Bool true |) in
                          M.alloc (|
                            M.never_to_any (|
                              M.read (|
                                let~ _ :=
                                  M.write (|
                                    M.SubPointer.get_struct_record_field (|
                                      M.read (| interpreter |),
                                      "revm_interpreter::interpreter::Interpreter",
                                      "instruction_result"
                                    |),
                                    Value.StructTuple
                                      "revm_interpreter::instruction_result::InstructionResult::StackUnderflow"
                                      []
                                  |) in
                                M.return_ (| Value.Tuple [] |)
                              |)
                            |)
                          |)));
                      fun γ => ltac:(M.monadic (M.alloc (| Value.Tuple [] |)))
                    ]
                  |) in
                M.match_operator (|
                  M.alloc (|
                    M.call_closure (|
                      M.get_associated_function (|
                        Ty.path "revm_interpreter::interpreter::stack::Stack",
                        "pop_top_unsafe",
                        []
                      |),
                      [
                        M.SubPointer.get_struct_record_field (|
                          M.read (| interpreter |),
                          "revm_interpreter::interpreter::Interpreter",
                          "stack"
                        |)
                      ]
                    |)
                  |),
                  [
                    fun γ =>
                      ltac:(M.monadic
                        (let γ0_0 := M.SubPointer.get_tuple_field (| γ, 0 |) in
                        let γ0_1 := M.SubPointer.get_tuple_field (| γ, 1 |) in
                        let op1 := M.copy (| γ0_0 |) in
                        let op2 := M.copy (| γ0_1 |) in
                        let~ _ :=
                          M.write (|
                            M.read (| op2 |),
                            M.call_closure (|
                              M.get_associated_function (|
                                Ty.apply
                                  (Ty.path "ruint::Uint")
                                  [
                                    Value.Integer IntegerKind.Usize 256;
                                    Value.Integer IntegerKind.Usize 4
                                  ]
                                  [],
                                "from",
                                [ Ty.path "bool" ]
                              |),
                              [
                                M.call_closure (|
                                  M.get_trait_method (|
                                    "core::cmp::PartialEq",
                                    Ty.path "core::cmp::Ordering",
                                    [ Ty.path "core::cmp::Ordering" ],
                                    "eq",
                                    []
                                  |),
                                  [
                                    M.alloc (|
                                      M.call_closure (|
                                        M.get_function (|
                                          "revm_interpreter::instructions::i256::i256_cmp",
                                          []
                                        |),
                                        [ op1; M.read (| op2 |) ]
                                      |)
                                    |);
                                    M.alloc (| Value.StructTuple "core::cmp::Ordering::Less" [] |)
                                  ]
                                |)
                              ]
                            |)
                          |) in
                        M.alloc (| Value.Tuple [] |)))
                  ]
                |)
              |)))
          |)))
      | _, _, _ => M.impossible "wrong number of arguments"
      end.
    
    Axiom Function_slt : M.IsFunction "revm_interpreter::instructions::bitwise::slt" slt.
    
    (*
    pub fn sgt<H: Host + ?Sized>(interpreter: &mut Interpreter, _host: &mut H) {
        gas!(interpreter, gas::VERYLOW);
        pop_top!(interpreter, op1, op2);
        *op2 = U256::from(i256_cmp(&op1, op2) == Ordering::Greater);
    }
    *)
    Definition sgt (ε : list Value.t) (τ : list Ty.t) (α : list Value.t) : M :=
      match ε, τ, α with
      | [], [ H ], [ interpreter; _host ] =>
        ltac:(M.monadic
          (let interpreter := M.alloc (| interpreter |) in
          let _host := M.alloc (| _host |) in
          M.catch_return (|
            ltac:(M.monadic
              (M.read (|
                let~ _ :=
                  M.match_operator (|
                    M.alloc (| Value.Tuple [] |),
                    [
                      fun γ =>
                        ltac:(M.monadic
                          (let γ :=
                            M.use
                              (M.alloc (|
                                UnOp.not (|
                                  M.call_closure (|
                                    M.get_associated_function (|
                                      Ty.path "revm_interpreter::gas::Gas",
                                      "record_cost",
                                      []
                                    |),
                                    [
                                      M.SubPointer.get_struct_record_field (|
                                        M.read (| interpreter |),
                                        "revm_interpreter::interpreter::Interpreter",
                                        "gas"
                                      |);
                                      M.read (|
                                        M.get_constant (|
                                          "revm_interpreter::gas::constants::VERYLOW"
                                        |)
                                      |)
                                    ]
                                  |)
                                |)
                              |)) in
                          let _ :=
                            M.is_constant_or_break_match (| M.read (| γ |), Value.Bool true |) in
                          M.alloc (|
                            M.never_to_any (|
                              M.read (|
                                let~ _ :=
                                  M.write (|
                                    M.SubPointer.get_struct_record_field (|
                                      M.read (| interpreter |),
                                      "revm_interpreter::interpreter::Interpreter",
                                      "instruction_result"
                                    |),
                                    Value.StructTuple
                                      "revm_interpreter::instruction_result::InstructionResult::OutOfGas"
                                      []
                                  |) in
                                M.return_ (| Value.Tuple [] |)
                              |)
                            |)
                          |)));
                      fun γ => ltac:(M.monadic (M.alloc (| Value.Tuple [] |)))
                    ]
                  |) in
                let~ _ :=
                  M.match_operator (|
                    M.alloc (| Value.Tuple [] |),
                    [
                      fun γ =>
                        ltac:(M.monadic
                          (let γ :=
                            M.use
                              (M.alloc (|
                                BinOp.lt (|
                                  M.call_closure (|
                                    M.get_associated_function (|
                                      Ty.path "revm_interpreter::interpreter::stack::Stack",
                                      "len",
                                      []
                                    |),
                                    [
                                      M.SubPointer.get_struct_record_field (|
                                        M.read (| interpreter |),
                                        "revm_interpreter::interpreter::Interpreter",
                                        "stack"
                                      |)
                                    ]
                                  |),
                                  Value.Integer IntegerKind.Usize 2
                                |)
                              |)) in
                          let _ :=
                            M.is_constant_or_break_match (| M.read (| γ |), Value.Bool true |) in
                          M.alloc (|
                            M.never_to_any (|
                              M.read (|
                                let~ _ :=
                                  M.write (|
                                    M.SubPointer.get_struct_record_field (|
                                      M.read (| interpreter |),
                                      "revm_interpreter::interpreter::Interpreter",
                                      "instruction_result"
                                    |),
                                    Value.StructTuple
                                      "revm_interpreter::instruction_result::InstructionResult::StackUnderflow"
                                      []
                                  |) in
                                M.return_ (| Value.Tuple [] |)
                              |)
                            |)
                          |)));
                      fun γ => ltac:(M.monadic (M.alloc (| Value.Tuple [] |)))
                    ]
                  |) in
                M.match_operator (|
                  M.alloc (|
                    M.call_closure (|
                      M.get_associated_function (|
                        Ty.path "revm_interpreter::interpreter::stack::Stack",
                        "pop_top_unsafe",
                        []
                      |),
                      [
                        M.SubPointer.get_struct_record_field (|
                          M.read (| interpreter |),
                          "revm_interpreter::interpreter::Interpreter",
                          "stack"
                        |)
                      ]
                    |)
                  |),
                  [
                    fun γ =>
                      ltac:(M.monadic
                        (let γ0_0 := M.SubPointer.get_tuple_field (| γ, 0 |) in
                        let γ0_1 := M.SubPointer.get_tuple_field (| γ, 1 |) in
                        let op1 := M.copy (| γ0_0 |) in
                        let op2 := M.copy (| γ0_1 |) in
                        let~ _ :=
                          M.write (|
                            M.read (| op2 |),
                            M.call_closure (|
                              M.get_associated_function (|
                                Ty.apply
                                  (Ty.path "ruint::Uint")
                                  [
                                    Value.Integer IntegerKind.Usize 256;
                                    Value.Integer IntegerKind.Usize 4
                                  ]
                                  [],
                                "from",
                                [ Ty.path "bool" ]
                              |),
                              [
                                M.call_closure (|
                                  M.get_trait_method (|
                                    "core::cmp::PartialEq",
                                    Ty.path "core::cmp::Ordering",
                                    [ Ty.path "core::cmp::Ordering" ],
                                    "eq",
                                    []
                                  |),
                                  [
                                    M.alloc (|
                                      M.call_closure (|
                                        M.get_function (|
                                          "revm_interpreter::instructions::i256::i256_cmp",
                                          []
                                        |),
                                        [ op1; M.read (| op2 |) ]
                                      |)
                                    |);
                                    M.alloc (|
                                      Value.StructTuple "core::cmp::Ordering::Greater" []
                                    |)
                                  ]
                                |)
                              ]
                            |)
                          |) in
                        M.alloc (| Value.Tuple [] |)))
                  ]
                |)
              |)))
          |)))
      | _, _, _ => M.impossible "wrong number of arguments"
      end.
    
    Axiom Function_sgt : M.IsFunction "revm_interpreter::instructions::bitwise::sgt" sgt.
    
    (*
    pub fn eq<H: Host + ?Sized>(interpreter: &mut Interpreter, _host: &mut H) {
        gas!(interpreter, gas::VERYLOW);
        pop_top!(interpreter, op1, op2);
        *op2 = U256::from(op1 == *op2);
    }
    *)
    Definition eq (ε : list Value.t) (τ : list Ty.t) (α : list Value.t) : M :=
      match ε, τ, α with
      | [], [ H ], [ interpreter; _host ] =>
        ltac:(M.monadic
          (let interpreter := M.alloc (| interpreter |) in
          let _host := M.alloc (| _host |) in
          M.catch_return (|
            ltac:(M.monadic
              (M.read (|
                let~ _ :=
                  M.match_operator (|
                    M.alloc (| Value.Tuple [] |),
                    [
                      fun γ =>
                        ltac:(M.monadic
                          (let γ :=
                            M.use
                              (M.alloc (|
                                UnOp.not (|
                                  M.call_closure (|
                                    M.get_associated_function (|
                                      Ty.path "revm_interpreter::gas::Gas",
                                      "record_cost",
                                      []
                                    |),
                                    [
                                      M.SubPointer.get_struct_record_field (|
                                        M.read (| interpreter |),
                                        "revm_interpreter::interpreter::Interpreter",
                                        "gas"
                                      |);
                                      M.read (|
                                        M.get_constant (|
                                          "revm_interpreter::gas::constants::VERYLOW"
                                        |)
                                      |)
                                    ]
                                  |)
                                |)
                              |)) in
                          let _ :=
                            M.is_constant_or_break_match (| M.read (| γ |), Value.Bool true |) in
                          M.alloc (|
                            M.never_to_any (|
                              M.read (|
                                let~ _ :=
                                  M.write (|
                                    M.SubPointer.get_struct_record_field (|
                                      M.read (| interpreter |),
                                      "revm_interpreter::interpreter::Interpreter",
                                      "instruction_result"
                                    |),
                                    Value.StructTuple
                                      "revm_interpreter::instruction_result::InstructionResult::OutOfGas"
                                      []
                                  |) in
                                M.return_ (| Value.Tuple [] |)
                              |)
                            |)
                          |)));
                      fun γ => ltac:(M.monadic (M.alloc (| Value.Tuple [] |)))
                    ]
                  |) in
                let~ _ :=
                  M.match_operator (|
                    M.alloc (| Value.Tuple [] |),
                    [
                      fun γ =>
                        ltac:(M.monadic
                          (let γ :=
                            M.use
                              (M.alloc (|
                                BinOp.lt (|
                                  M.call_closure (|
                                    M.get_associated_function (|
                                      Ty.path "revm_interpreter::interpreter::stack::Stack",
                                      "len",
                                      []
                                    |),
                                    [
                                      M.SubPointer.get_struct_record_field (|
                                        M.read (| interpreter |),
                                        "revm_interpreter::interpreter::Interpreter",
                                        "stack"
                                      |)
                                    ]
                                  |),
                                  Value.Integer IntegerKind.Usize 2
                                |)
                              |)) in
                          let _ :=
                            M.is_constant_or_break_match (| M.read (| γ |), Value.Bool true |) in
                          M.alloc (|
                            M.never_to_any (|
                              M.read (|
                                let~ _ :=
                                  M.write (|
                                    M.SubPointer.get_struct_record_field (|
                                      M.read (| interpreter |),
                                      "revm_interpreter::interpreter::Interpreter",
                                      "instruction_result"
                                    |),
                                    Value.StructTuple
                                      "revm_interpreter::instruction_result::InstructionResult::StackUnderflow"
                                      []
                                  |) in
                                M.return_ (| Value.Tuple [] |)
                              |)
                            |)
                          |)));
                      fun γ => ltac:(M.monadic (M.alloc (| Value.Tuple [] |)))
                    ]
                  |) in
                M.match_operator (|
                  M.alloc (|
                    M.call_closure (|
                      M.get_associated_function (|
                        Ty.path "revm_interpreter::interpreter::stack::Stack",
                        "pop_top_unsafe",
                        []
                      |),
                      [
                        M.SubPointer.get_struct_record_field (|
                          M.read (| interpreter |),
                          "revm_interpreter::interpreter::Interpreter",
                          "stack"
                        |)
                      ]
                    |)
                  |),
                  [
                    fun γ =>
                      ltac:(M.monadic
                        (let γ0_0 := M.SubPointer.get_tuple_field (| γ, 0 |) in
                        let γ0_1 := M.SubPointer.get_tuple_field (| γ, 1 |) in
                        let op1 := M.copy (| γ0_0 |) in
                        let op2 := M.copy (| γ0_1 |) in
                        let~ _ :=
                          M.write (|
                            M.read (| op2 |),
                            M.call_closure (|
                              M.get_associated_function (|
                                Ty.apply
                                  (Ty.path "ruint::Uint")
                                  [
                                    Value.Integer IntegerKind.Usize 256;
                                    Value.Integer IntegerKind.Usize 4
                                  ]
                                  [],
                                "from",
                                [ Ty.path "bool" ]
                              |),
                              [
                                M.call_closure (|
                                  M.get_trait_method (|
                                    "core::cmp::PartialEq",
                                    Ty.apply
                                      (Ty.path "ruint::Uint")
                                      [
                                        Value.Integer IntegerKind.Usize 256;
                                        Value.Integer IntegerKind.Usize 4
                                      ]
                                      [],
                                    [
                                      Ty.apply
                                        (Ty.path "ruint::Uint")
                                        [
                                          Value.Integer IntegerKind.Usize 256;
                                          Value.Integer IntegerKind.Usize 4
                                        ]
                                        []
                                    ],
                                    "eq",
                                    []
                                  |),
                                  [ op1; M.read (| op2 |) ]
                                |)
                              ]
                            |)
                          |) in
                        M.alloc (| Value.Tuple [] |)))
                  ]
                |)
              |)))
          |)))
      | _, _, _ => M.impossible "wrong number of arguments"
      end.
    
    Axiom Function_eq : M.IsFunction "revm_interpreter::instructions::bitwise::eq" eq.
    
    (*
    pub fn iszero<H: Host + ?Sized>(interpreter: &mut Interpreter, _host: &mut H) {
        gas!(interpreter, gas::VERYLOW);
        pop_top!(interpreter, op1);
        *op1 = U256::from( *op1 == U256::ZERO);
    }
    *)
    Definition iszero (ε : list Value.t) (τ : list Ty.t) (α : list Value.t) : M :=
      match ε, τ, α with
      | [], [ H ], [ interpreter; _host ] =>
        ltac:(M.monadic
          (let interpreter := M.alloc (| interpreter |) in
          let _host := M.alloc (| _host |) in
          M.catch_return (|
            ltac:(M.monadic
              (M.read (|
                let~ _ :=
                  M.match_operator (|
                    M.alloc (| Value.Tuple [] |),
                    [
                      fun γ =>
                        ltac:(M.monadic
                          (let γ :=
                            M.use
                              (M.alloc (|
                                UnOp.not (|
                                  M.call_closure (|
                                    M.get_associated_function (|
                                      Ty.path "revm_interpreter::gas::Gas",
                                      "record_cost",
                                      []
                                    |),
                                    [
                                      M.SubPointer.get_struct_record_field (|
                                        M.read (| interpreter |),
                                        "revm_interpreter::interpreter::Interpreter",
                                        "gas"
                                      |);
                                      M.read (|
                                        M.get_constant (|
                                          "revm_interpreter::gas::constants::VERYLOW"
                                        |)
                                      |)
                                    ]
                                  |)
                                |)
                              |)) in
                          let _ :=
                            M.is_constant_or_break_match (| M.read (| γ |), Value.Bool true |) in
                          M.alloc (|
                            M.never_to_any (|
                              M.read (|
                                let~ _ :=
                                  M.write (|
                                    M.SubPointer.get_struct_record_field (|
                                      M.read (| interpreter |),
                                      "revm_interpreter::interpreter::Interpreter",
                                      "instruction_result"
                                    |),
                                    Value.StructTuple
                                      "revm_interpreter::instruction_result::InstructionResult::OutOfGas"
                                      []
                                  |) in
                                M.return_ (| Value.Tuple [] |)
                              |)
                            |)
                          |)));
                      fun γ => ltac:(M.monadic (M.alloc (| Value.Tuple [] |)))
                    ]
                  |) in
                let~ _ :=
                  M.match_operator (|
                    M.alloc (| Value.Tuple [] |),
                    [
                      fun γ =>
                        ltac:(M.monadic
                          (let γ :=
                            M.use
                              (M.alloc (|
                                BinOp.lt (|
                                  M.call_closure (|
                                    M.get_associated_function (|
                                      Ty.path "revm_interpreter::interpreter::stack::Stack",
                                      "len",
                                      []
                                    |),
                                    [
                                      M.SubPointer.get_struct_record_field (|
                                        M.read (| interpreter |),
                                        "revm_interpreter::interpreter::Interpreter",
                                        "stack"
                                      |)
                                    ]
                                  |),
                                  Value.Integer IntegerKind.Usize 1
                                |)
                              |)) in
                          let _ :=
                            M.is_constant_or_break_match (| M.read (| γ |), Value.Bool true |) in
                          M.alloc (|
                            M.never_to_any (|
                              M.read (|
                                let~ _ :=
                                  M.write (|
                                    M.SubPointer.get_struct_record_field (|
                                      M.read (| interpreter |),
                                      "revm_interpreter::interpreter::Interpreter",
                                      "instruction_result"
                                    |),
                                    Value.StructTuple
                                      "revm_interpreter::instruction_result::InstructionResult::StackUnderflow"
                                      []
                                  |) in
                                M.return_ (| Value.Tuple [] |)
                              |)
                            |)
                          |)));
                      fun γ => ltac:(M.monadic (M.alloc (| Value.Tuple [] |)))
                    ]
                  |) in
                let~ op1 :=
                  M.alloc (|
                    M.call_closure (|
                      M.get_associated_function (|
                        Ty.path "revm_interpreter::interpreter::stack::Stack",
                        "top_unsafe",
                        []
                      |),
                      [
                        M.SubPointer.get_struct_record_field (|
                          M.read (| interpreter |),
                          "revm_interpreter::interpreter::Interpreter",
                          "stack"
                        |)
                      ]
                    |)
                  |) in
                let~ _ :=
                  M.write (|
                    M.read (| op1 |),
                    M.call_closure (|
                      M.get_associated_function (|
                        Ty.apply
                          (Ty.path "ruint::Uint")
                          [ Value.Integer IntegerKind.Usize 256; Value.Integer IntegerKind.Usize 4 ]
                          [],
                        "from",
                        [ Ty.path "bool" ]
                      |),
                      [
                        M.call_closure (|
                          M.get_trait_method (|
                            "core::cmp::PartialEq",
                            Ty.apply
                              (Ty.path "ruint::Uint")
                              [
                                Value.Integer IntegerKind.Usize 256;
                                Value.Integer IntegerKind.Usize 4
                              ]
                              [],
                            [
                              Ty.apply
                                (Ty.path "ruint::Uint")
                                [
                                  Value.Integer IntegerKind.Usize 256;
                                  Value.Integer IntegerKind.Usize 4
                                ]
                                []
                            ],
                            "eq",
                            []
                          |),
                          [ M.read (| op1 |); M.get_constant (| "ruint::ZERO" |) ]
                        |)
                      ]
                    |)
                  |) in
                M.alloc (| Value.Tuple [] |)
              |)))
          |)))
      | _, _, _ => M.impossible "wrong number of arguments"
      end.
    
    Axiom Function_iszero : M.IsFunction "revm_interpreter::instructions::bitwise::iszero" iszero.
    
    (*
    pub fn bitand<H: Host + ?Sized>(interpreter: &mut Interpreter, _host: &mut H) {
        gas!(interpreter, gas::VERYLOW);
        pop_top!(interpreter, op1, op2);
        *op2 = op1 & *op2;
    }
    *)
    Definition bitand (ε : list Value.t) (τ : list Ty.t) (α : list Value.t) : M :=
      match ε, τ, α with
      | [], [ H ], [ interpreter; _host ] =>
        ltac:(M.monadic
          (let interpreter := M.alloc (| interpreter |) in
          let _host := M.alloc (| _host |) in
          M.catch_return (|
            ltac:(M.monadic
              (M.read (|
                let~ _ :=
                  M.match_operator (|
                    M.alloc (| Value.Tuple [] |),
                    [
                      fun γ =>
                        ltac:(M.monadic
                          (let γ :=
                            M.use
                              (M.alloc (|
                                UnOp.not (|
                                  M.call_closure (|
                                    M.get_associated_function (|
                                      Ty.path "revm_interpreter::gas::Gas",
                                      "record_cost",
                                      []
                                    |),
                                    [
                                      M.SubPointer.get_struct_record_field (|
                                        M.read (| interpreter |),
                                        "revm_interpreter::interpreter::Interpreter",
                                        "gas"
                                      |);
                                      M.read (|
                                        M.get_constant (|
                                          "revm_interpreter::gas::constants::VERYLOW"
                                        |)
                                      |)
                                    ]
                                  |)
                                |)
                              |)) in
                          let _ :=
                            M.is_constant_or_break_match (| M.read (| γ |), Value.Bool true |) in
                          M.alloc (|
                            M.never_to_any (|
                              M.read (|
                                let~ _ :=
                                  M.write (|
                                    M.SubPointer.get_struct_record_field (|
                                      M.read (| interpreter |),
                                      "revm_interpreter::interpreter::Interpreter",
                                      "instruction_result"
                                    |),
                                    Value.StructTuple
                                      "revm_interpreter::instruction_result::InstructionResult::OutOfGas"
                                      []
                                  |) in
                                M.return_ (| Value.Tuple [] |)
                              |)
                            |)
                          |)));
                      fun γ => ltac:(M.monadic (M.alloc (| Value.Tuple [] |)))
                    ]
                  |) in
                let~ _ :=
                  M.match_operator (|
                    M.alloc (| Value.Tuple [] |),
                    [
                      fun γ =>
                        ltac:(M.monadic
                          (let γ :=
                            M.use
                              (M.alloc (|
                                BinOp.lt (|
                                  M.call_closure (|
                                    M.get_associated_function (|
                                      Ty.path "revm_interpreter::interpreter::stack::Stack",
                                      "len",
                                      []
                                    |),
                                    [
                                      M.SubPointer.get_struct_record_field (|
                                        M.read (| interpreter |),
                                        "revm_interpreter::interpreter::Interpreter",
                                        "stack"
                                      |)
                                    ]
                                  |),
                                  Value.Integer IntegerKind.Usize 2
                                |)
                              |)) in
                          let _ :=
                            M.is_constant_or_break_match (| M.read (| γ |), Value.Bool true |) in
                          M.alloc (|
                            M.never_to_any (|
                              M.read (|
                                let~ _ :=
                                  M.write (|
                                    M.SubPointer.get_struct_record_field (|
                                      M.read (| interpreter |),
                                      "revm_interpreter::interpreter::Interpreter",
                                      "instruction_result"
                                    |),
                                    Value.StructTuple
                                      "revm_interpreter::instruction_result::InstructionResult::StackUnderflow"
                                      []
                                  |) in
                                M.return_ (| Value.Tuple [] |)
                              |)
                            |)
                          |)));
                      fun γ => ltac:(M.monadic (M.alloc (| Value.Tuple [] |)))
                    ]
                  |) in
                M.match_operator (|
                  M.alloc (|
                    M.call_closure (|
                      M.get_associated_function (|
                        Ty.path "revm_interpreter::interpreter::stack::Stack",
                        "pop_top_unsafe",
                        []
                      |),
                      [
                        M.SubPointer.get_struct_record_field (|
                          M.read (| interpreter |),
                          "revm_interpreter::interpreter::Interpreter",
                          "stack"
                        |)
                      ]
                    |)
                  |),
                  [
                    fun γ =>
                      ltac:(M.monadic
                        (let γ0_0 := M.SubPointer.get_tuple_field (| γ, 0 |) in
                        let γ0_1 := M.SubPointer.get_tuple_field (| γ, 1 |) in
                        let op1 := M.copy (| γ0_0 |) in
                        let op2 := M.copy (| γ0_1 |) in
                        let~ _ :=
                          M.write (|
                            M.read (| op2 |),
                            M.call_closure (|
                              M.get_trait_method (|
                                "core::ops::bit::BitAnd",
                                Ty.apply
                                  (Ty.path "ruint::Uint")
                                  [
                                    Value.Integer IntegerKind.Usize 256;
                                    Value.Integer IntegerKind.Usize 4
                                  ]
                                  [],
                                [
                                  Ty.apply
                                    (Ty.path "ruint::Uint")
                                    [
                                      Value.Integer IntegerKind.Usize 256;
                                      Value.Integer IntegerKind.Usize 4
                                    ]
                                    []
                                ],
                                "bitand",
                                []
                              |),
                              [ M.read (| op1 |); M.read (| M.read (| op2 |) |) ]
                            |)
                          |) in
                        M.alloc (| Value.Tuple [] |)))
                  ]
                |)
              |)))
          |)))
      | _, _, _ => M.impossible "wrong number of arguments"
      end.
    
    Axiom Function_bitand : M.IsFunction "revm_interpreter::instructions::bitwise::bitand" bitand.
    
    (*
    pub fn bitor<H: Host + ?Sized>(interpreter: &mut Interpreter, _host: &mut H) {
        gas!(interpreter, gas::VERYLOW);
        pop_top!(interpreter, op1, op2);
        *op2 = op1 | *op2;
    }
    *)
    Definition bitor (ε : list Value.t) (τ : list Ty.t) (α : list Value.t) : M :=
      match ε, τ, α with
      | [], [ H ], [ interpreter; _host ] =>
        ltac:(M.monadic
          (let interpreter := M.alloc (| interpreter |) in
          let _host := M.alloc (| _host |) in
          M.catch_return (|
            ltac:(M.monadic
              (M.read (|
                let~ _ :=
                  M.match_operator (|
                    M.alloc (| Value.Tuple [] |),
                    [
                      fun γ =>
                        ltac:(M.monadic
                          (let γ :=
                            M.use
                              (M.alloc (|
                                UnOp.not (|
                                  M.call_closure (|
                                    M.get_associated_function (|
                                      Ty.path "revm_interpreter::gas::Gas",
                                      "record_cost",
                                      []
                                    |),
                                    [
                                      M.SubPointer.get_struct_record_field (|
                                        M.read (| interpreter |),
                                        "revm_interpreter::interpreter::Interpreter",
                                        "gas"
                                      |);
                                      M.read (|
                                        M.get_constant (|
                                          "revm_interpreter::gas::constants::VERYLOW"
                                        |)
                                      |)
                                    ]
                                  |)
                                |)
                              |)) in
                          let _ :=
                            M.is_constant_or_break_match (| M.read (| γ |), Value.Bool true |) in
                          M.alloc (|
                            M.never_to_any (|
                              M.read (|
                                let~ _ :=
                                  M.write (|
                                    M.SubPointer.get_struct_record_field (|
                                      M.read (| interpreter |),
                                      "revm_interpreter::interpreter::Interpreter",
                                      "instruction_result"
                                    |),
                                    Value.StructTuple
                                      "revm_interpreter::instruction_result::InstructionResult::OutOfGas"
                                      []
                                  |) in
                                M.return_ (| Value.Tuple [] |)
                              |)
                            |)
                          |)));
                      fun γ => ltac:(M.monadic (M.alloc (| Value.Tuple [] |)))
                    ]
                  |) in
                let~ _ :=
                  M.match_operator (|
                    M.alloc (| Value.Tuple [] |),
                    [
                      fun γ =>
                        ltac:(M.monadic
                          (let γ :=
                            M.use
                              (M.alloc (|
                                BinOp.lt (|
                                  M.call_closure (|
                                    M.get_associated_function (|
                                      Ty.path "revm_interpreter::interpreter::stack::Stack",
                                      "len",
                                      []
                                    |),
                                    [
                                      M.SubPointer.get_struct_record_field (|
                                        M.read (| interpreter |),
                                        "revm_interpreter::interpreter::Interpreter",
                                        "stack"
                                      |)
                                    ]
                                  |),
                                  Value.Integer IntegerKind.Usize 2
                                |)
                              |)) in
                          let _ :=
                            M.is_constant_or_break_match (| M.read (| γ |), Value.Bool true |) in
                          M.alloc (|
                            M.never_to_any (|
                              M.read (|
                                let~ _ :=
                                  M.write (|
                                    M.SubPointer.get_struct_record_field (|
                                      M.read (| interpreter |),
                                      "revm_interpreter::interpreter::Interpreter",
                                      "instruction_result"
                                    |),
                                    Value.StructTuple
                                      "revm_interpreter::instruction_result::InstructionResult::StackUnderflow"
                                      []
                                  |) in
                                M.return_ (| Value.Tuple [] |)
                              |)
                            |)
                          |)));
                      fun γ => ltac:(M.monadic (M.alloc (| Value.Tuple [] |)))
                    ]
                  |) in
                M.match_operator (|
                  M.alloc (|
                    M.call_closure (|
                      M.get_associated_function (|
                        Ty.path "revm_interpreter::interpreter::stack::Stack",
                        "pop_top_unsafe",
                        []
                      |),
                      [
                        M.SubPointer.get_struct_record_field (|
                          M.read (| interpreter |),
                          "revm_interpreter::interpreter::Interpreter",
                          "stack"
                        |)
                      ]
                    |)
                  |),
                  [
                    fun γ =>
                      ltac:(M.monadic
                        (let γ0_0 := M.SubPointer.get_tuple_field (| γ, 0 |) in
                        let γ0_1 := M.SubPointer.get_tuple_field (| γ, 1 |) in
                        let op1 := M.copy (| γ0_0 |) in
                        let op2 := M.copy (| γ0_1 |) in
                        let~ _ :=
                          M.write (|
                            M.read (| op2 |),
                            M.call_closure (|
                              M.get_trait_method (|
                                "core::ops::bit::BitOr",
                                Ty.apply
                                  (Ty.path "ruint::Uint")
                                  [
                                    Value.Integer IntegerKind.Usize 256;
                                    Value.Integer IntegerKind.Usize 4
                                  ]
                                  [],
                                [
                                  Ty.apply
                                    (Ty.path "ruint::Uint")
                                    [
                                      Value.Integer IntegerKind.Usize 256;
                                      Value.Integer IntegerKind.Usize 4
                                    ]
                                    []
                                ],
                                "bitor",
                                []
                              |),
                              [ M.read (| op1 |); M.read (| M.read (| op2 |) |) ]
                            |)
                          |) in
                        M.alloc (| Value.Tuple [] |)))
                  ]
                |)
              |)))
          |)))
      | _, _, _ => M.impossible "wrong number of arguments"
      end.
    
    Axiom Function_bitor : M.IsFunction "revm_interpreter::instructions::bitwise::bitor" bitor.
    
    (*
    pub fn bitxor<H: Host + ?Sized>(interpreter: &mut Interpreter, _host: &mut H) {
        gas!(interpreter, gas::VERYLOW);
        pop_top!(interpreter, op1, op2);
        *op2 = op1 ^ *op2;
    }
    *)
    Definition bitxor (ε : list Value.t) (τ : list Ty.t) (α : list Value.t) : M :=
      match ε, τ, α with
      | [], [ H ], [ interpreter; _host ] =>
        ltac:(M.monadic
          (let interpreter := M.alloc (| interpreter |) in
          let _host := M.alloc (| _host |) in
          M.catch_return (|
            ltac:(M.monadic
              (M.read (|
                let~ _ :=
                  M.match_operator (|
                    M.alloc (| Value.Tuple [] |),
                    [
                      fun γ =>
                        ltac:(M.monadic
                          (let γ :=
                            M.use
                              (M.alloc (|
                                UnOp.not (|
                                  M.call_closure (|
                                    M.get_associated_function (|
                                      Ty.path "revm_interpreter::gas::Gas",
                                      "record_cost",
                                      []
                                    |),
                                    [
                                      M.SubPointer.get_struct_record_field (|
                                        M.read (| interpreter |),
                                        "revm_interpreter::interpreter::Interpreter",
                                        "gas"
                                      |);
                                      M.read (|
                                        M.get_constant (|
                                          "revm_interpreter::gas::constants::VERYLOW"
                                        |)
                                      |)
                                    ]
                                  |)
                                |)
                              |)) in
                          let _ :=
                            M.is_constant_or_break_match (| M.read (| γ |), Value.Bool true |) in
                          M.alloc (|
                            M.never_to_any (|
                              M.read (|
                                let~ _ :=
                                  M.write (|
                                    M.SubPointer.get_struct_record_field (|
                                      M.read (| interpreter |),
                                      "revm_interpreter::interpreter::Interpreter",
                                      "instruction_result"
                                    |),
                                    Value.StructTuple
                                      "revm_interpreter::instruction_result::InstructionResult::OutOfGas"
                                      []
                                  |) in
                                M.return_ (| Value.Tuple [] |)
                              |)
                            |)
                          |)));
                      fun γ => ltac:(M.monadic (M.alloc (| Value.Tuple [] |)))
                    ]
                  |) in
                let~ _ :=
                  M.match_operator (|
                    M.alloc (| Value.Tuple [] |),
                    [
                      fun γ =>
                        ltac:(M.monadic
                          (let γ :=
                            M.use
                              (M.alloc (|
                                BinOp.lt (|
                                  M.call_closure (|
                                    M.get_associated_function (|
                                      Ty.path "revm_interpreter::interpreter::stack::Stack",
                                      "len",
                                      []
                                    |),
                                    [
                                      M.SubPointer.get_struct_record_field (|
                                        M.read (| interpreter |),
                                        "revm_interpreter::interpreter::Interpreter",
                                        "stack"
                                      |)
                                    ]
                                  |),
                                  Value.Integer IntegerKind.Usize 2
                                |)
                              |)) in
                          let _ :=
                            M.is_constant_or_break_match (| M.read (| γ |), Value.Bool true |) in
                          M.alloc (|
                            M.never_to_any (|
                              M.read (|
                                let~ _ :=
                                  M.write (|
                                    M.SubPointer.get_struct_record_field (|
                                      M.read (| interpreter |),
                                      "revm_interpreter::interpreter::Interpreter",
                                      "instruction_result"
                                    |),
                                    Value.StructTuple
                                      "revm_interpreter::instruction_result::InstructionResult::StackUnderflow"
                                      []
                                  |) in
                                M.return_ (| Value.Tuple [] |)
                              |)
                            |)
                          |)));
                      fun γ => ltac:(M.monadic (M.alloc (| Value.Tuple [] |)))
                    ]
                  |) in
                M.match_operator (|
                  M.alloc (|
                    M.call_closure (|
                      M.get_associated_function (|
                        Ty.path "revm_interpreter::interpreter::stack::Stack",
                        "pop_top_unsafe",
                        []
                      |),
                      [
                        M.SubPointer.get_struct_record_field (|
                          M.read (| interpreter |),
                          "revm_interpreter::interpreter::Interpreter",
                          "stack"
                        |)
                      ]
                    |)
                  |),
                  [
                    fun γ =>
                      ltac:(M.monadic
                        (let γ0_0 := M.SubPointer.get_tuple_field (| γ, 0 |) in
                        let γ0_1 := M.SubPointer.get_tuple_field (| γ, 1 |) in
                        let op1 := M.copy (| γ0_0 |) in
                        let op2 := M.copy (| γ0_1 |) in
                        let~ _ :=
                          M.write (|
                            M.read (| op2 |),
                            M.call_closure (|
                              M.get_trait_method (|
                                "core::ops::bit::BitXor",
                                Ty.apply
                                  (Ty.path "ruint::Uint")
                                  [
                                    Value.Integer IntegerKind.Usize 256;
                                    Value.Integer IntegerKind.Usize 4
                                  ]
                                  [],
                                [
                                  Ty.apply
                                    (Ty.path "ruint::Uint")
                                    [
                                      Value.Integer IntegerKind.Usize 256;
                                      Value.Integer IntegerKind.Usize 4
                                    ]
                                    []
                                ],
                                "bitxor",
                                []
                              |),
                              [ M.read (| op1 |); M.read (| M.read (| op2 |) |) ]
                            |)
                          |) in
                        M.alloc (| Value.Tuple [] |)))
                  ]
                |)
              |)))
          |)))
      | _, _, _ => M.impossible "wrong number of arguments"
      end.
    
    Axiom Function_bitxor : M.IsFunction "revm_interpreter::instructions::bitwise::bitxor" bitxor.
    
    (*
    pub fn not<H: Host + ?Sized>(interpreter: &mut Interpreter, _host: &mut H) {
        gas!(interpreter, gas::VERYLOW);
        pop_top!(interpreter, op1);
        *op1 = !*op1;
    }
    *)
    Definition not (ε : list Value.t) (τ : list Ty.t) (α : list Value.t) : M :=
      match ε, τ, α with
      | [], [ H ], [ interpreter; _host ] =>
        ltac:(M.monadic
          (let interpreter := M.alloc (| interpreter |) in
          let _host := M.alloc (| _host |) in
          M.catch_return (|
            ltac:(M.monadic
              (M.read (|
                let~ _ :=
                  M.match_operator (|
                    M.alloc (| Value.Tuple [] |),
                    [
                      fun γ =>
                        ltac:(M.monadic
                          (let γ :=
                            M.use
                              (M.alloc (|
                                UnOp.not (|
                                  M.call_closure (|
                                    M.get_associated_function (|
                                      Ty.path "revm_interpreter::gas::Gas",
                                      "record_cost",
                                      []
                                    |),
                                    [
                                      M.SubPointer.get_struct_record_field (|
                                        M.read (| interpreter |),
                                        "revm_interpreter::interpreter::Interpreter",
                                        "gas"
                                      |);
                                      M.read (|
                                        M.get_constant (|
                                          "revm_interpreter::gas::constants::VERYLOW"
                                        |)
                                      |)
                                    ]
                                  |)
                                |)
                              |)) in
                          let _ :=
                            M.is_constant_or_break_match (| M.read (| γ |), Value.Bool true |) in
                          M.alloc (|
                            M.never_to_any (|
                              M.read (|
                                let~ _ :=
                                  M.write (|
                                    M.SubPointer.get_struct_record_field (|
                                      M.read (| interpreter |),
                                      "revm_interpreter::interpreter::Interpreter",
                                      "instruction_result"
                                    |),
                                    Value.StructTuple
                                      "revm_interpreter::instruction_result::InstructionResult::OutOfGas"
                                      []
                                  |) in
                                M.return_ (| Value.Tuple [] |)
                              |)
                            |)
                          |)));
                      fun γ => ltac:(M.monadic (M.alloc (| Value.Tuple [] |)))
                    ]
                  |) in
                let~ _ :=
                  M.match_operator (|
                    M.alloc (| Value.Tuple [] |),
                    [
                      fun γ =>
                        ltac:(M.monadic
                          (let γ :=
                            M.use
                              (M.alloc (|
                                BinOp.lt (|
                                  M.call_closure (|
                                    M.get_associated_function (|
                                      Ty.path "revm_interpreter::interpreter::stack::Stack",
                                      "len",
                                      []
                                    |),
                                    [
                                      M.SubPointer.get_struct_record_field (|
                                        M.read (| interpreter |),
                                        "revm_interpreter::interpreter::Interpreter",
                                        "stack"
                                      |)
                                    ]
                                  |),
                                  Value.Integer IntegerKind.Usize 1
                                |)
                              |)) in
                          let _ :=
                            M.is_constant_or_break_match (| M.read (| γ |), Value.Bool true |) in
                          M.alloc (|
                            M.never_to_any (|
                              M.read (|
                                let~ _ :=
                                  M.write (|
                                    M.SubPointer.get_struct_record_field (|
                                      M.read (| interpreter |),
                                      "revm_interpreter::interpreter::Interpreter",
                                      "instruction_result"
                                    |),
                                    Value.StructTuple
                                      "revm_interpreter::instruction_result::InstructionResult::StackUnderflow"
                                      []
                                  |) in
                                M.return_ (| Value.Tuple [] |)
                              |)
                            |)
                          |)));
                      fun γ => ltac:(M.monadic (M.alloc (| Value.Tuple [] |)))
                    ]
                  |) in
                let~ op1 :=
                  M.alloc (|
                    M.call_closure (|
                      M.get_associated_function (|
                        Ty.path "revm_interpreter::interpreter::stack::Stack",
                        "top_unsafe",
                        []
                      |),
                      [
                        M.SubPointer.get_struct_record_field (|
                          M.read (| interpreter |),
                          "revm_interpreter::interpreter::Interpreter",
                          "stack"
                        |)
                      ]
                    |)
                  |) in
                let~ _ :=
                  M.write (|
                    M.read (| op1 |),
                    M.call_closure (|
                      M.get_trait_method (|
                        "core::ops::bit::Not",
                        Ty.apply
                          (Ty.path "ruint::Uint")
                          [ Value.Integer IntegerKind.Usize 256; Value.Integer IntegerKind.Usize 4 ]
                          [],
                        [],
                        "not",
                        []
                      |),
                      [ M.read (| M.read (| op1 |) |) ]
                    |)
                  |) in
                M.alloc (| Value.Tuple [] |)
              |)))
          |)))
      | _, _, _ => M.impossible "wrong number of arguments"
      end.
    
    Axiom Function_not : M.IsFunction "revm_interpreter::instructions::bitwise::not" not.
    
    (*
    pub fn byte<H: Host + ?Sized>(interpreter: &mut Interpreter, _host: &mut H) {
        gas!(interpreter, gas::VERYLOW);
        pop_top!(interpreter, op1, op2);
    
        let o1 = as_usize_saturated!(op1);
        *op2 = if o1 < 32 {
            // `31 - o1` because `byte` returns LE, while we want BE
            U256::from(op2.byte(31 - o1))
        } else {
            U256::ZERO
        };
    }
    *)
    Definition byte (ε : list Value.t) (τ : list Ty.t) (α : list Value.t) : M :=
      match ε, τ, α with
      | [], [ H ], [ interpreter; _host ] =>
        ltac:(M.monadic
          (let interpreter := M.alloc (| interpreter |) in
          let _host := M.alloc (| _host |) in
          M.catch_return (|
            ltac:(M.monadic
              (M.read (|
                let~ _ :=
                  M.match_operator (|
                    M.alloc (| Value.Tuple [] |),
                    [
                      fun γ =>
                        ltac:(M.monadic
                          (let γ :=
                            M.use
                              (M.alloc (|
                                UnOp.not (|
                                  M.call_closure (|
                                    M.get_associated_function (|
                                      Ty.path "revm_interpreter::gas::Gas",
                                      "record_cost",
                                      []
                                    |),
                                    [
                                      M.SubPointer.get_struct_record_field (|
                                        M.read (| interpreter |),
                                        "revm_interpreter::interpreter::Interpreter",
                                        "gas"
                                      |);
                                      M.read (|
                                        M.get_constant (|
                                          "revm_interpreter::gas::constants::VERYLOW"
                                        |)
                                      |)
                                    ]
                                  |)
                                |)
                              |)) in
                          let _ :=
                            M.is_constant_or_break_match (| M.read (| γ |), Value.Bool true |) in
                          M.alloc (|
                            M.never_to_any (|
                              M.read (|
                                let~ _ :=
                                  M.write (|
                                    M.SubPointer.get_struct_record_field (|
                                      M.read (| interpreter |),
                                      "revm_interpreter::interpreter::Interpreter",
                                      "instruction_result"
                                    |),
                                    Value.StructTuple
                                      "revm_interpreter::instruction_result::InstructionResult::OutOfGas"
                                      []
                                  |) in
                                M.return_ (| Value.Tuple [] |)
                              |)
                            |)
                          |)));
                      fun γ => ltac:(M.monadic (M.alloc (| Value.Tuple [] |)))
                    ]
                  |) in
                let~ _ :=
                  M.match_operator (|
                    M.alloc (| Value.Tuple [] |),
                    [
                      fun γ =>
                        ltac:(M.monadic
                          (let γ :=
                            M.use
                              (M.alloc (|
                                BinOp.lt (|
                                  M.call_closure (|
                                    M.get_associated_function (|
                                      Ty.path "revm_interpreter::interpreter::stack::Stack",
                                      "len",
                                      []
                                    |),
                                    [
                                      M.SubPointer.get_struct_record_field (|
                                        M.read (| interpreter |),
                                        "revm_interpreter::interpreter::Interpreter",
                                        "stack"
                                      |)
                                    ]
                                  |),
                                  Value.Integer IntegerKind.Usize 2
                                |)
                              |)) in
                          let _ :=
                            M.is_constant_or_break_match (| M.read (| γ |), Value.Bool true |) in
                          M.alloc (|
                            M.never_to_any (|
                              M.read (|
                                let~ _ :=
                                  M.write (|
                                    M.SubPointer.get_struct_record_field (|
                                      M.read (| interpreter |),
                                      "revm_interpreter::interpreter::Interpreter",
                                      "instruction_result"
                                    |),
                                    Value.StructTuple
                                      "revm_interpreter::instruction_result::InstructionResult::StackUnderflow"
                                      []
                                  |) in
                                M.return_ (| Value.Tuple [] |)
                              |)
                            |)
                          |)));
                      fun γ => ltac:(M.monadic (M.alloc (| Value.Tuple [] |)))
                    ]
                  |) in
                M.match_operator (|
                  M.alloc (|
                    M.call_closure (|
                      M.get_associated_function (|
                        Ty.path "revm_interpreter::interpreter::stack::Stack",
                        "pop_top_unsafe",
                        []
                      |),
                      [
                        M.SubPointer.get_struct_record_field (|
                          M.read (| interpreter |),
                          "revm_interpreter::interpreter::Interpreter",
                          "stack"
                        |)
                      ]
                    |)
                  |),
                  [
                    fun γ =>
                      ltac:(M.monadic
                        (let γ0_0 := M.SubPointer.get_tuple_field (| γ, 0 |) in
                        let γ0_1 := M.SubPointer.get_tuple_field (| γ, 1 |) in
                        let op1 := M.copy (| γ0_0 |) in
                        let op2 := M.copy (| γ0_1 |) in
                        let~ o1 :=
                          M.alloc (|
                            M.call_closure (|
                              M.get_associated_function (|
                                Ty.apply
                                  (Ty.path "core::result::Result")
                                  []
                                  [ Ty.path "usize"; Ty.path "core::num::error::TryFromIntError" ],
                                "unwrap_or",
                                []
                              |),
                              [
                                M.call_closure (|
                                  M.get_trait_method (|
                                    "core::convert::TryFrom",
                                    Ty.path "usize",
                                    [ Ty.path "u64" ],
                                    "try_from",
                                    []
                                  |),
                                  [
                                    M.read (|
                                      let~ x :=
                                        M.alloc (|
                                          M.call_closure (|
                                            M.get_associated_function (|
                                              Ty.apply
                                                (Ty.path "ruint::Uint")
                                                [
                                                  Value.Integer IntegerKind.Usize 256;
                                                  Value.Integer IntegerKind.Usize 4
                                                ]
                                                [],
                                              "as_limbs",
                                              []
                                            |),
                                            [ op1 ]
                                          |)
                                        |) in
                                      M.match_operator (|
                                        M.alloc (| Value.Tuple [] |),
                                        [
                                          fun γ =>
                                            ltac:(M.monadic
                                              (let γ :=
                                                M.use
                                                  (M.alloc (|
                                                    LogicalOp.and (|
                                                      LogicalOp.and (|
                                                        BinOp.eq (|
                                                          M.read (|
                                                            M.SubPointer.get_array_field (|
                                                              M.read (| x |),
                                                              M.alloc (|
                                                                Value.Integer IntegerKind.Usize 1
                                                              |)
                                                            |)
                                                          |),
                                                          Value.Integer IntegerKind.U64 0
                                                        |),
                                                        ltac:(M.monadic
                                                          (BinOp.eq (|
                                                            M.read (|
                                                              M.SubPointer.get_array_field (|
                                                                M.read (| x |),
                                                                M.alloc (|
                                                                  Value.Integer IntegerKind.Usize 2
                                                                |)
                                                              |)
                                                            |),
                                                            Value.Integer IntegerKind.U64 0
                                                          |)))
                                                      |),
                                                      ltac:(M.monadic
                                                        (BinOp.eq (|
                                                          M.read (|
                                                            M.SubPointer.get_array_field (|
                                                              M.read (| x |),
                                                              M.alloc (|
                                                                Value.Integer IntegerKind.Usize 3
                                                              |)
                                                            |)
                                                          |),
                                                          Value.Integer IntegerKind.U64 0
                                                        |)))
                                                    |)
                                                  |)) in
                                              let _ :=
                                                M.is_constant_or_break_match (|
                                                  M.read (| γ |),
                                                  Value.Bool true
                                                |) in
                                              M.SubPointer.get_array_field (|
                                                M.read (| x |),
                                                M.alloc (| Value.Integer IntegerKind.Usize 0 |)
                                              |)));
                                          fun γ =>
                                            ltac:(M.monadic (M.get_constant (| "core::num::MAX" |)))
                                        ]
                                      |)
                                    |)
                                  ]
                                |);
                                M.read (| M.get_constant (| "core::num::MAX" |) |)
                              ]
                            |)
                          |) in
                        let~ _ :=
                          M.write (|
                            M.read (| op2 |),
                            M.read (|
                              M.match_operator (|
                                M.alloc (| Value.Tuple [] |),
                                [
                                  fun γ =>
                                    ltac:(M.monadic
                                      (let γ :=
                                        M.use
                                          (M.alloc (|
                                            BinOp.lt (|
                                              M.read (| o1 |),
                                              Value.Integer IntegerKind.Usize 32
                                            |)
                                          |)) in
                                      let _ :=
                                        M.is_constant_or_break_match (|
                                          M.read (| γ |),
                                          Value.Bool true
                                        |) in
                                      M.alloc (|
                                        M.call_closure (|
                                          M.get_associated_function (|
                                            Ty.apply
                                              (Ty.path "ruint::Uint")
                                              [
                                                Value.Integer IntegerKind.Usize 256;
                                                Value.Integer IntegerKind.Usize 4
                                              ]
                                              [],
                                            "from",
                                            [ Ty.path "u8" ]
                                          |),
                                          [
                                            M.call_closure (|
                                              M.get_associated_function (|
                                                Ty.apply
                                                  (Ty.path "ruint::Uint")
                                                  [
                                                    Value.Integer IntegerKind.Usize 256;
                                                    Value.Integer IntegerKind.Usize 4
                                                  ]
                                                  [],
                                                "byte",
                                                []
                                              |),
                                              [
                                                M.read (| op2 |);
                                                BinOp.Wrap.sub (|
                                                  Value.Integer IntegerKind.Usize 31,
                                                  M.read (| o1 |)
                                                |)
                                              ]
                                            |)
                                          ]
                                        |)
                                      |)));
                                  fun γ => ltac:(M.monadic (M.get_constant (| "ruint::ZERO" |)))
                                ]
                              |)
                            |)
                          |) in
                        M.alloc (| Value.Tuple [] |)))
                  ]
                |)
              |)))
          |)))
      | _, _, _ => M.impossible "wrong number of arguments"
      end.
    
    Axiom Function_byte : M.IsFunction "revm_interpreter::instructions::bitwise::byte" byte.
    
    (*
    pub fn shl<H: Host + ?Sized, SPEC: Spec>(interpreter: &mut Interpreter, _host: &mut H) {
        check!(interpreter, CONSTANTINOPLE);
        gas!(interpreter, gas::VERYLOW);
        pop_top!(interpreter, op1, op2);
        *op2 <<= as_usize_saturated!(op1);
    }
    *)
    Definition shl (ε : list Value.t) (τ : list Ty.t) (α : list Value.t) : M :=
      match ε, τ, α with
      | [], [ H; SPEC ], [ interpreter; _host ] =>
        ltac:(M.monadic
          (let interpreter := M.alloc (| interpreter |) in
          let _host := M.alloc (| _host |) in
          M.catch_return (|
            ltac:(M.monadic
              (M.read (|
                let~ _ :=
                  M.match_operator (|
                    M.alloc (| Value.Tuple [] |),
                    [
                      fun γ =>
                        ltac:(M.monadic
                          (let γ :=
                            M.use
                              (M.alloc (|
                                UnOp.not (|
                                  M.call_closure (|
                                    M.get_trait_method (|
                                      "revm_primitives::specification::Spec",
                                      SPEC,
                                      [],
                                      "enabled",
                                      []
                                    |),
                                    [
                                      Value.StructTuple
                                        "revm_primitives::specification::SpecId::CONSTANTINOPLE"
                                        []
                                    ]
                                  |)
                                |)
                              |)) in
                          let _ :=
                            M.is_constant_or_break_match (| M.read (| γ |), Value.Bool true |) in
                          M.alloc (|
                            M.never_to_any (|
                              M.read (|
                                let~ _ :=
                                  M.write (|
                                    M.SubPointer.get_struct_record_field (|
                                      M.read (| interpreter |),
                                      "revm_interpreter::interpreter::Interpreter",
                                      "instruction_result"
                                    |),
                                    Value.StructTuple
                                      "revm_interpreter::instruction_result::InstructionResult::NotActivated"
                                      []
                                  |) in
                                M.return_ (| Value.Tuple [] |)
                              |)
                            |)
                          |)));
                      fun γ => ltac:(M.monadic (M.alloc (| Value.Tuple [] |)))
                    ]
                  |) in
                let~ _ :=
                  M.match_operator (|
                    M.alloc (| Value.Tuple [] |),
                    [
                      fun γ =>
                        ltac:(M.monadic
                          (let γ :=
                            M.use
                              (M.alloc (|
                                UnOp.not (|
                                  M.call_closure (|
                                    M.get_associated_function (|
                                      Ty.path "revm_interpreter::gas::Gas",
                                      "record_cost",
                                      []
                                    |),
                                    [
                                      M.SubPointer.get_struct_record_field (|
                                        M.read (| interpreter |),
                                        "revm_interpreter::interpreter::Interpreter",
                                        "gas"
                                      |);
                                      M.read (|
                                        M.get_constant (|
                                          "revm_interpreter::gas::constants::VERYLOW"
                                        |)
                                      |)
                                    ]
                                  |)
                                |)
                              |)) in
                          let _ :=
                            M.is_constant_or_break_match (| M.read (| γ |), Value.Bool true |) in
                          M.alloc (|
                            M.never_to_any (|
                              M.read (|
                                let~ _ :=
                                  M.write (|
                                    M.SubPointer.get_struct_record_field (|
                                      M.read (| interpreter |),
                                      "revm_interpreter::interpreter::Interpreter",
                                      "instruction_result"
                                    |),
                                    Value.StructTuple
                                      "revm_interpreter::instruction_result::InstructionResult::OutOfGas"
                                      []
                                  |) in
                                M.return_ (| Value.Tuple [] |)
                              |)
                            |)
                          |)));
                      fun γ => ltac:(M.monadic (M.alloc (| Value.Tuple [] |)))
                    ]
                  |) in
                let~ _ :=
                  M.match_operator (|
                    M.alloc (| Value.Tuple [] |),
                    [
                      fun γ =>
                        ltac:(M.monadic
                          (let γ :=
                            M.use
                              (M.alloc (|
                                BinOp.lt (|
                                  M.call_closure (|
                                    M.get_associated_function (|
                                      Ty.path "revm_interpreter::interpreter::stack::Stack",
                                      "len",
                                      []
                                    |),
                                    [
                                      M.SubPointer.get_struct_record_field (|
                                        M.read (| interpreter |),
                                        "revm_interpreter::interpreter::Interpreter",
                                        "stack"
                                      |)
                                    ]
                                  |),
                                  Value.Integer IntegerKind.Usize 2
                                |)
                              |)) in
                          let _ :=
                            M.is_constant_or_break_match (| M.read (| γ |), Value.Bool true |) in
                          M.alloc (|
                            M.never_to_any (|
                              M.read (|
                                let~ _ :=
                                  M.write (|
                                    M.SubPointer.get_struct_record_field (|
                                      M.read (| interpreter |),
                                      "revm_interpreter::interpreter::Interpreter",
                                      "instruction_result"
                                    |),
                                    Value.StructTuple
                                      "revm_interpreter::instruction_result::InstructionResult::StackUnderflow"
                                      []
                                  |) in
                                M.return_ (| Value.Tuple [] |)
                              |)
                            |)
                          |)));
                      fun γ => ltac:(M.monadic (M.alloc (| Value.Tuple [] |)))
                    ]
                  |) in
                M.match_operator (|
                  M.alloc (|
                    M.call_closure (|
                      M.get_associated_function (|
                        Ty.path "revm_interpreter::interpreter::stack::Stack",
                        "pop_top_unsafe",
                        []
                      |),
                      [
                        M.SubPointer.get_struct_record_field (|
                          M.read (| interpreter |),
                          "revm_interpreter::interpreter::Interpreter",
                          "stack"
                        |)
                      ]
                    |)
                  |),
                  [
                    fun γ =>
                      ltac:(M.monadic
                        (let γ0_0 := M.SubPointer.get_tuple_field (| γ, 0 |) in
                        let γ0_1 := M.SubPointer.get_tuple_field (| γ, 1 |) in
                        let op1 := M.copy (| γ0_0 |) in
                        let op2 := M.copy (| γ0_1 |) in
                        let~ _ :=
                          M.alloc (|
                            M.call_closure (|
                              M.get_trait_method (|
                                "core::ops::bit::ShlAssign",
                                Ty.apply
                                  (Ty.path "ruint::Uint")
                                  [
                                    Value.Integer IntegerKind.Usize 256;
                                    Value.Integer IntegerKind.Usize 4
                                  ]
                                  [],
                                [ Ty.path "usize" ],
                                "shl_assign",
                                []
                              |),
                              [
                                M.read (| op2 |);
                                M.call_closure (|
                                  M.get_associated_function (|
                                    Ty.apply
                                      (Ty.path "core::result::Result")
                                      []
                                      [ Ty.path "usize"; Ty.path "core::num::error::TryFromIntError"
                                      ],
                                    "unwrap_or",
                                    []
                                  |),
                                  [
                                    M.call_closure (|
                                      M.get_trait_method (|
                                        "core::convert::TryFrom",
                                        Ty.path "usize",
                                        [ Ty.path "u64" ],
                                        "try_from",
                                        []
                                      |),
                                      [
                                        M.read (|
                                          let~ x :=
                                            M.alloc (|
                                              M.call_closure (|
                                                M.get_associated_function (|
                                                  Ty.apply
                                                    (Ty.path "ruint::Uint")
                                                    [
                                                      Value.Integer IntegerKind.Usize 256;
                                                      Value.Integer IntegerKind.Usize 4
                                                    ]
                                                    [],
                                                  "as_limbs",
                                                  []
                                                |),
                                                [ op1 ]
                                              |)
                                            |) in
                                          M.match_operator (|
                                            M.alloc (| Value.Tuple [] |),
                                            [
                                              fun γ =>
                                                ltac:(M.monadic
                                                  (let γ :=
                                                    M.use
                                                      (M.alloc (|
                                                        LogicalOp.and (|
                                                          LogicalOp.and (|
                                                            BinOp.eq (|
                                                              M.read (|
                                                                M.SubPointer.get_array_field (|
                                                                  M.read (| x |),
                                                                  M.alloc (|
                                                                    Value.Integer
                                                                      IntegerKind.Usize
                                                                      1
                                                                  |)
                                                                |)
                                                              |),
                                                              Value.Integer IntegerKind.U64 0
                                                            |),
                                                            ltac:(M.monadic
                                                              (BinOp.eq (|
                                                                M.read (|
                                                                  M.SubPointer.get_array_field (|
                                                                    M.read (| x |),
                                                                    M.alloc (|
                                                                      Value.Integer
                                                                        IntegerKind.Usize
                                                                        2
                                                                    |)
                                                                  |)
                                                                |),
                                                                Value.Integer IntegerKind.U64 0
                                                              |)))
                                                          |),
                                                          ltac:(M.monadic
                                                            (BinOp.eq (|
                                                              M.read (|
                                                                M.SubPointer.get_array_field (|
                                                                  M.read (| x |),
                                                                  M.alloc (|
                                                                    Value.Integer
                                                                      IntegerKind.Usize
                                                                      3
                                                                  |)
                                                                |)
                                                              |),
                                                              Value.Integer IntegerKind.U64 0
                                                            |)))
                                                        |)
                                                      |)) in
                                                  let _ :=
                                                    M.is_constant_or_break_match (|
                                                      M.read (| γ |),
                                                      Value.Bool true
                                                    |) in
                                                  M.SubPointer.get_array_field (|
                                                    M.read (| x |),
                                                    M.alloc (| Value.Integer IntegerKind.Usize 0 |)
                                                  |)));
                                              fun γ =>
                                                ltac:(M.monadic
                                                  (M.get_constant (| "core::num::MAX" |)))
                                            ]
                                          |)
                                        |)
                                      ]
                                    |);
                                    M.read (| M.get_constant (| "core::num::MAX" |) |)
                                  ]
                                |)
                              ]
                            |)
                          |) in
                        M.alloc (| Value.Tuple [] |)))
                  ]
                |)
              |)))
          |)))
      | _, _, _ => M.impossible "wrong number of arguments"
      end.
    
    Axiom Function_shl : M.IsFunction "revm_interpreter::instructions::bitwise::shl" shl.
    
    (*
    pub fn shr<H: Host + ?Sized, SPEC: Spec>(interpreter: &mut Interpreter, _host: &mut H) {
        check!(interpreter, CONSTANTINOPLE);
        gas!(interpreter, gas::VERYLOW);
        pop_top!(interpreter, op1, op2);
        *op2 >>= as_usize_saturated!(op1);
    }
    *)
    Definition shr (ε : list Value.t) (τ : list Ty.t) (α : list Value.t) : M :=
      match ε, τ, α with
      | [], [ H; SPEC ], [ interpreter; _host ] =>
        ltac:(M.monadic
          (let interpreter := M.alloc (| interpreter |) in
          let _host := M.alloc (| _host |) in
          M.catch_return (|
            ltac:(M.monadic
              (M.read (|
                let~ _ :=
                  M.match_operator (|
                    M.alloc (| Value.Tuple [] |),
                    [
                      fun γ =>
                        ltac:(M.monadic
                          (let γ :=
                            M.use
                              (M.alloc (|
                                UnOp.not (|
                                  M.call_closure (|
                                    M.get_trait_method (|
                                      "revm_primitives::specification::Spec",
                                      SPEC,
                                      [],
                                      "enabled",
                                      []
                                    |),
                                    [
                                      Value.StructTuple
                                        "revm_primitives::specification::SpecId::CONSTANTINOPLE"
                                        []
                                    ]
                                  |)
                                |)
                              |)) in
                          let _ :=
                            M.is_constant_or_break_match (| M.read (| γ |), Value.Bool true |) in
                          M.alloc (|
                            M.never_to_any (|
                              M.read (|
                                let~ _ :=
                                  M.write (|
                                    M.SubPointer.get_struct_record_field (|
                                      M.read (| interpreter |),
                                      "revm_interpreter::interpreter::Interpreter",
                                      "instruction_result"
                                    |),
                                    Value.StructTuple
                                      "revm_interpreter::instruction_result::InstructionResult::NotActivated"
                                      []
                                  |) in
                                M.return_ (| Value.Tuple [] |)
                              |)
                            |)
                          |)));
                      fun γ => ltac:(M.monadic (M.alloc (| Value.Tuple [] |)))
                    ]
                  |) in
                let~ _ :=
                  M.match_operator (|
                    M.alloc (| Value.Tuple [] |),
                    [
                      fun γ =>
                        ltac:(M.monadic
                          (let γ :=
                            M.use
                              (M.alloc (|
                                UnOp.not (|
                                  M.call_closure (|
                                    M.get_associated_function (|
                                      Ty.path "revm_interpreter::gas::Gas",
                                      "record_cost",
                                      []
                                    |),
                                    [
                                      M.SubPointer.get_struct_record_field (|
                                        M.read (| interpreter |),
                                        "revm_interpreter::interpreter::Interpreter",
                                        "gas"
                                      |);
                                      M.read (|
                                        M.get_constant (|
                                          "revm_interpreter::gas::constants::VERYLOW"
                                        |)
                                      |)
                                    ]
                                  |)
                                |)
                              |)) in
                          let _ :=
                            M.is_constant_or_break_match (| M.read (| γ |), Value.Bool true |) in
                          M.alloc (|
                            M.never_to_any (|
                              M.read (|
                                let~ _ :=
                                  M.write (|
                                    M.SubPointer.get_struct_record_field (|
                                      M.read (| interpreter |),
                                      "revm_interpreter::interpreter::Interpreter",
                                      "instruction_result"
                                    |),
                                    Value.StructTuple
                                      "revm_interpreter::instruction_result::InstructionResult::OutOfGas"
                                      []
                                  |) in
                                M.return_ (| Value.Tuple [] |)
                              |)
                            |)
                          |)));
                      fun γ => ltac:(M.monadic (M.alloc (| Value.Tuple [] |)))
                    ]
                  |) in
                let~ _ :=
                  M.match_operator (|
                    M.alloc (| Value.Tuple [] |),
                    [
                      fun γ =>
                        ltac:(M.monadic
                          (let γ :=
                            M.use
                              (M.alloc (|
                                BinOp.lt (|
                                  M.call_closure (|
                                    M.get_associated_function (|
                                      Ty.path "revm_interpreter::interpreter::stack::Stack",
                                      "len",
                                      []
                                    |),
                                    [
                                      M.SubPointer.get_struct_record_field (|
                                        M.read (| interpreter |),
                                        "revm_interpreter::interpreter::Interpreter",
                                        "stack"
                                      |)
                                    ]
                                  |),
                                  Value.Integer IntegerKind.Usize 2
                                |)
                              |)) in
                          let _ :=
                            M.is_constant_or_break_match (| M.read (| γ |), Value.Bool true |) in
                          M.alloc (|
                            M.never_to_any (|
                              M.read (|
                                let~ _ :=
                                  M.write (|
                                    M.SubPointer.get_struct_record_field (|
                                      M.read (| interpreter |),
                                      "revm_interpreter::interpreter::Interpreter",
                                      "instruction_result"
                                    |),
                                    Value.StructTuple
                                      "revm_interpreter::instruction_result::InstructionResult::StackUnderflow"
                                      []
                                  |) in
                                M.return_ (| Value.Tuple [] |)
                              |)
                            |)
                          |)));
                      fun γ => ltac:(M.monadic (M.alloc (| Value.Tuple [] |)))
                    ]
                  |) in
                M.match_operator (|
                  M.alloc (|
                    M.call_closure (|
                      M.get_associated_function (|
                        Ty.path "revm_interpreter::interpreter::stack::Stack",
                        "pop_top_unsafe",
                        []
                      |),
                      [
                        M.SubPointer.get_struct_record_field (|
                          M.read (| interpreter |),
                          "revm_interpreter::interpreter::Interpreter",
                          "stack"
                        |)
                      ]
                    |)
                  |),
                  [
                    fun γ =>
                      ltac:(M.monadic
                        (let γ0_0 := M.SubPointer.get_tuple_field (| γ, 0 |) in
                        let γ0_1 := M.SubPointer.get_tuple_field (| γ, 1 |) in
                        let op1 := M.copy (| γ0_0 |) in
                        let op2 := M.copy (| γ0_1 |) in
                        let~ _ :=
                          M.alloc (|
                            M.call_closure (|
                              M.get_trait_method (|
                                "core::ops::bit::ShrAssign",
                                Ty.apply
                                  (Ty.path "ruint::Uint")
                                  [
                                    Value.Integer IntegerKind.Usize 256;
                                    Value.Integer IntegerKind.Usize 4
                                  ]
                                  [],
                                [ Ty.path "usize" ],
                                "shr_assign",
                                []
                              |),
                              [
                                M.read (| op2 |);
                                M.call_closure (|
                                  M.get_associated_function (|
                                    Ty.apply
                                      (Ty.path "core::result::Result")
                                      []
                                      [ Ty.path "usize"; Ty.path "core::num::error::TryFromIntError"
                                      ],
                                    "unwrap_or",
                                    []
                                  |),
                                  [
                                    M.call_closure (|
                                      M.get_trait_method (|
                                        "core::convert::TryFrom",
                                        Ty.path "usize",
                                        [ Ty.path "u64" ],
                                        "try_from",
                                        []
                                      |),
                                      [
                                        M.read (|
                                          let~ x :=
                                            M.alloc (|
                                              M.call_closure (|
                                                M.get_associated_function (|
                                                  Ty.apply
                                                    (Ty.path "ruint::Uint")
                                                    [
                                                      Value.Integer IntegerKind.Usize 256;
                                                      Value.Integer IntegerKind.Usize 4
                                                    ]
                                                    [],
                                                  "as_limbs",
                                                  []
                                                |),
                                                [ op1 ]
                                              |)
                                            |) in
                                          M.match_operator (|
                                            M.alloc (| Value.Tuple [] |),
                                            [
                                              fun γ =>
                                                ltac:(M.monadic
                                                  (let γ :=
                                                    M.use
                                                      (M.alloc (|
                                                        LogicalOp.and (|
                                                          LogicalOp.and (|
                                                            BinOp.eq (|
                                                              M.read (|
                                                                M.SubPointer.get_array_field (|
                                                                  M.read (| x |),
                                                                  M.alloc (|
                                                                    Value.Integer
                                                                      IntegerKind.Usize
                                                                      1
                                                                  |)
                                                                |)
                                                              |),
                                                              Value.Integer IntegerKind.U64 0
                                                            |),
                                                            ltac:(M.monadic
                                                              (BinOp.eq (|
                                                                M.read (|
                                                                  M.SubPointer.get_array_field (|
                                                                    M.read (| x |),
                                                                    M.alloc (|
                                                                      Value.Integer
                                                                        IntegerKind.Usize
                                                                        2
                                                                    |)
                                                                  |)
                                                                |),
                                                                Value.Integer IntegerKind.U64 0
                                                              |)))
                                                          |),
                                                          ltac:(M.monadic
                                                            (BinOp.eq (|
                                                              M.read (|
                                                                M.SubPointer.get_array_field (|
                                                                  M.read (| x |),
                                                                  M.alloc (|
                                                                    Value.Integer
                                                                      IntegerKind.Usize
                                                                      3
                                                                  |)
                                                                |)
                                                              |),
                                                              Value.Integer IntegerKind.U64 0
                                                            |)))
                                                        |)
                                                      |)) in
                                                  let _ :=
                                                    M.is_constant_or_break_match (|
                                                      M.read (| γ |),
                                                      Value.Bool true
                                                    |) in
                                                  M.SubPointer.get_array_field (|
                                                    M.read (| x |),
                                                    M.alloc (| Value.Integer IntegerKind.Usize 0 |)
                                                  |)));
                                              fun γ =>
                                                ltac:(M.monadic
                                                  (M.get_constant (| "core::num::MAX" |)))
                                            ]
                                          |)
                                        |)
                                      ]
                                    |);
                                    M.read (| M.get_constant (| "core::num::MAX" |) |)
                                  ]
                                |)
                              ]
                            |)
                          |) in
                        M.alloc (| Value.Tuple [] |)))
                  ]
                |)
              |)))
          |)))
      | _, _, _ => M.impossible "wrong number of arguments"
      end.
    
    Axiom Function_shr : M.IsFunction "revm_interpreter::instructions::bitwise::shr" shr.
    
    (*
    pub fn sar<H: Host + ?Sized, SPEC: Spec>(interpreter: &mut Interpreter, _host: &mut H) {
        check!(interpreter, CONSTANTINOPLE);
        gas!(interpreter, gas::VERYLOW);
        pop_top!(interpreter, op1, op2);
    
        let value_sign = i256_sign_compl(op2);
    
        // If the shift count is 255+, we can short-circuit. This is because shifting by 255 bits is the
        // maximum shift that still leaves 1 bit in the original 256-bit number. Shifting by 256 bits or
        // more would mean that no original bits remain. The result depends on what the highest bit of
        // the value is.
        *op2 = if value_sign == Sign::Zero || op1 >= U256::from(255) {
            match value_sign {
                // value is 0 or >=1, pushing 0
                Sign::Plus | Sign::Zero => U256::ZERO,
                // value is <0, pushing -1
                Sign::Minus => U256::MAX,
            }
        } else {
            const ONE: U256 = uint!(1_U256);
            // SAFETY: shift count is checked above; it's less than 255.
            let shift = usize::try_from(op1).unwrap();
            match value_sign {
                Sign::Plus | Sign::Zero => op2.wrapping_shr(shift),
                Sign::Minus => two_compl(op2.wrapping_sub(ONE).wrapping_shr(shift).wrapping_add(ONE)),
            }
        };
    }
    *)
    Definition sar (ε : list Value.t) (τ : list Ty.t) (α : list Value.t) : M :=
      match ε, τ, α with
      | [], [ H; SPEC ], [ interpreter; _host ] =>
        ltac:(M.monadic
          (let interpreter := M.alloc (| interpreter |) in
          let _host := M.alloc (| _host |) in
          M.catch_return (|
            ltac:(M.monadic
              (M.read (|
                let~ _ :=
                  M.match_operator (|
                    M.alloc (| Value.Tuple [] |),
                    [
                      fun γ =>
                        ltac:(M.monadic
                          (let γ :=
                            M.use
                              (M.alloc (|
                                UnOp.not (|
                                  M.call_closure (|
                                    M.get_trait_method (|
                                      "revm_primitives::specification::Spec",
                                      SPEC,
                                      [],
                                      "enabled",
                                      []
                                    |),
                                    [
                                      Value.StructTuple
                                        "revm_primitives::specification::SpecId::CONSTANTINOPLE"
                                        []
                                    ]
                                  |)
                                |)
                              |)) in
                          let _ :=
                            M.is_constant_or_break_match (| M.read (| γ |), Value.Bool true |) in
                          M.alloc (|
                            M.never_to_any (|
                              M.read (|
                                let~ _ :=
                                  M.write (|
                                    M.SubPointer.get_struct_record_field (|
                                      M.read (| interpreter |),
                                      "revm_interpreter::interpreter::Interpreter",
                                      "instruction_result"
                                    |),
                                    Value.StructTuple
                                      "revm_interpreter::instruction_result::InstructionResult::NotActivated"
                                      []
                                  |) in
                                M.return_ (| Value.Tuple [] |)
                              |)
                            |)
                          |)));
                      fun γ => ltac:(M.monadic (M.alloc (| Value.Tuple [] |)))
                    ]
                  |) in
                let~ _ :=
                  M.match_operator (|
                    M.alloc (| Value.Tuple [] |),
                    [
                      fun γ =>
                        ltac:(M.monadic
                          (let γ :=
                            M.use
                              (M.alloc (|
                                UnOp.not (|
                                  M.call_closure (|
                                    M.get_associated_function (|
                                      Ty.path "revm_interpreter::gas::Gas",
                                      "record_cost",
                                      []
                                    |),
                                    [
                                      M.SubPointer.get_struct_record_field (|
                                        M.read (| interpreter |),
                                        "revm_interpreter::interpreter::Interpreter",
                                        "gas"
                                      |);
                                      M.read (|
                                        M.get_constant (|
                                          "revm_interpreter::gas::constants::VERYLOW"
                                        |)
                                      |)
                                    ]
                                  |)
                                |)
                              |)) in
                          let _ :=
                            M.is_constant_or_break_match (| M.read (| γ |), Value.Bool true |) in
                          M.alloc (|
                            M.never_to_any (|
                              M.read (|
                                let~ _ :=
                                  M.write (|
                                    M.SubPointer.get_struct_record_field (|
                                      M.read (| interpreter |),
                                      "revm_interpreter::interpreter::Interpreter",
                                      "instruction_result"
                                    |),
                                    Value.StructTuple
                                      "revm_interpreter::instruction_result::InstructionResult::OutOfGas"
                                      []
                                  |) in
                                M.return_ (| Value.Tuple [] |)
                              |)
                            |)
                          |)));
                      fun γ => ltac:(M.monadic (M.alloc (| Value.Tuple [] |)))
                    ]
                  |) in
                let~ _ :=
                  M.match_operator (|
                    M.alloc (| Value.Tuple [] |),
                    [
                      fun γ =>
                        ltac:(M.monadic
                          (let γ :=
                            M.use
                              (M.alloc (|
                                BinOp.lt (|
                                  M.call_closure (|
                                    M.get_associated_function (|
                                      Ty.path "revm_interpreter::interpreter::stack::Stack",
                                      "len",
                                      []
                                    |),
                                    [
                                      M.SubPointer.get_struct_record_field (|
                                        M.read (| interpreter |),
                                        "revm_interpreter::interpreter::Interpreter",
                                        "stack"
                                      |)
                                    ]
                                  |),
                                  Value.Integer IntegerKind.Usize 2
                                |)
                              |)) in
                          let _ :=
                            M.is_constant_or_break_match (| M.read (| γ |), Value.Bool true |) in
                          M.alloc (|
                            M.never_to_any (|
                              M.read (|
                                let~ _ :=
                                  M.write (|
                                    M.SubPointer.get_struct_record_field (|
                                      M.read (| interpreter |),
                                      "revm_interpreter::interpreter::Interpreter",
                                      "instruction_result"
                                    |),
                                    Value.StructTuple
                                      "revm_interpreter::instruction_result::InstructionResult::StackUnderflow"
                                      []
                                  |) in
                                M.return_ (| Value.Tuple [] |)
                              |)
                            |)
                          |)));
                      fun γ => ltac:(M.monadic (M.alloc (| Value.Tuple [] |)))
                    ]
                  |) in
                M.match_operator (|
                  M.alloc (|
                    M.call_closure (|
                      M.get_associated_function (|
                        Ty.path "revm_interpreter::interpreter::stack::Stack",
                        "pop_top_unsafe",
                        []
                      |),
                      [
                        M.SubPointer.get_struct_record_field (|
                          M.read (| interpreter |),
                          "revm_interpreter::interpreter::Interpreter",
                          "stack"
                        |)
                      ]
                    |)
                  |),
                  [
                    fun γ =>
                      ltac:(M.monadic
                        (let γ0_0 := M.SubPointer.get_tuple_field (| γ, 0 |) in
                        let γ0_1 := M.SubPointer.get_tuple_field (| γ, 1 |) in
                        let op1 := M.copy (| γ0_0 |) in
                        let op2 := M.copy (| γ0_1 |) in
                        let~ value_sign :=
                          M.alloc (|
                            M.call_closure (|
                              M.get_function (|
                                "revm_interpreter::instructions::i256::i256_sign_compl",
                                []
                              |),
                              [ M.read (| op2 |) ]
                            |)
                          |) in
                        let~ _ :=
                          M.write (|
                            M.read (| op2 |),
                            M.read (|
                              M.match_operator (|
                                M.alloc (| Value.Tuple [] |),
                                [
                                  fun γ =>
                                    ltac:(M.monadic
                                      (let γ :=
                                        M.use
                                          (M.alloc (|
                                            LogicalOp.or (|
                                              M.call_closure (|
                                                M.get_trait_method (|
                                                  "core::cmp::PartialEq",
                                                  Ty.path
                                                    "revm_interpreter::instructions::i256::Sign",
                                                  [
                                                    Ty.path
                                                      "revm_interpreter::instructions::i256::Sign"
                                                  ],
                                                  "eq",
                                                  []
                                                |),
                                                [
                                                  value_sign;
                                                  M.alloc (|
                                                    Value.StructTuple
                                                      "revm_interpreter::instructions::i256::Sign::Zero"
                                                      []
                                                  |)
                                                ]
                                              |),
                                              ltac:(M.monadic
                                                (M.call_closure (|
                                                  M.get_trait_method (|
                                                    "core::cmp::PartialOrd",
                                                    Ty.apply
                                                      (Ty.path "ruint::Uint")
                                                      [
                                                        Value.Integer IntegerKind.Usize 256;
                                                        Value.Integer IntegerKind.Usize 4
                                                      ]
                                                      [],
                                                    [
                                                      Ty.apply
                                                        (Ty.path "ruint::Uint")
                                                        [
                                                          Value.Integer IntegerKind.Usize 256;
                                                          Value.Integer IntegerKind.Usize 4
                                                        ]
                                                        []
                                                    ],
                                                    "ge",
                                                    []
                                                  |),
                                                  [
                                                    op1;
                                                    M.alloc (|
                                                      M.call_closure (|
                                                        M.get_associated_function (|
                                                          Ty.apply
                                                            (Ty.path "ruint::Uint")
                                                            [
                                                              Value.Integer IntegerKind.Usize 256;
                                                              Value.Integer IntegerKind.Usize 4
                                                            ]
                                                            [],
                                                          "from",
                                                          [ Ty.path "i32" ]
                                                        |),
                                                        [ Value.Integer IntegerKind.I32 255 ]
                                                      |)
                                                    |)
                                                  ]
                                                |)))
                                            |)
                                          |)) in
                                      let _ :=
                                        M.is_constant_or_break_match (|
                                          M.read (| γ |),
                                          Value.Bool true
                                        |) in
                                      M.match_operator (|
                                        value_sign,
                                        [
                                          fun γ =>
                                            ltac:(M.monadic
                                              (M.find_or_pattern (|
                                                γ,
                                                [
                                                  fun γ =>
                                                    ltac:(M.monadic
                                                      (let _ :=
                                                        M.is_struct_tuple (|
                                                          γ,
                                                          "revm_interpreter::instructions::i256::Sign::Plus"
                                                        |) in
                                                      Value.Tuple []));
                                                  fun γ =>
                                                    ltac:(M.monadic
                                                      (let _ :=
                                                        M.is_struct_tuple (|
                                                          γ,
                                                          "revm_interpreter::instructions::i256::Sign::Zero"
                                                        |) in
                                                      Value.Tuple []))
                                                ],
                                                M.closure
                                                  (fun γ =>
                                                    ltac:(M.monadic
                                                      match γ with
                                                      | [] =>
                                                        ltac:(M.monadic
                                                          (M.get_constant (| "ruint::ZERO" |)))
                                                      | _ =>
                                                        M.impossible "wrong number of arguments"
                                                      end))
                                              |)));
                                          fun γ =>
                                            ltac:(M.monadic
                                              (let _ :=
                                                M.is_struct_tuple (|
                                                  γ,
                                                  "revm_interpreter::instructions::i256::Sign::Minus"
                                                |) in
                                              M.get_constant (| "ruint::MAX" |)))
                                        ]
                                      |)));
                                  fun γ =>
                                    ltac:(M.monadic
                                      (let~ shift :=
                                        M.alloc (|
                                          M.call_closure (|
                                            M.get_associated_function (|
                                              Ty.apply
                                                (Ty.path "core::result::Result")
                                                []
                                                [
                                                  Ty.path "usize";
                                                  Ty.apply
                                                    (Ty.path "ruint::from::FromUintError")
                                                    []
                                                    [ Ty.path "usize" ]
                                                ],
                                              "unwrap",
                                              []
                                            |),
                                            [
                                              M.call_closure (|
                                                M.get_trait_method (|
                                                  "core::convert::TryFrom",
                                                  Ty.path "usize",
                                                  [
                                                    Ty.apply
                                                      (Ty.path "ruint::Uint")
                                                      [
                                                        Value.Integer IntegerKind.Usize 256;
                                                        Value.Integer IntegerKind.Usize 4
                                                      ]
                                                      []
                                                  ],
                                                  "try_from",
                                                  []
                                                |),
                                                [ M.read (| op1 |) ]
                                              |)
                                            ]
                                          |)
                                        |) in
                                      M.match_operator (|
                                        value_sign,
                                        [
                                          fun γ =>
                                            ltac:(M.monadic
                                              (M.find_or_pattern (|
                                                γ,
                                                [
                                                  fun γ =>
                                                    ltac:(M.monadic
                                                      (let _ :=
                                                        M.is_struct_tuple (|
                                                          γ,
                                                          "revm_interpreter::instructions::i256::Sign::Plus"
                                                        |) in
                                                      Value.Tuple []));
                                                  fun γ =>
                                                    ltac:(M.monadic
                                                      (let _ :=
                                                        M.is_struct_tuple (|
                                                          γ,
                                                          "revm_interpreter::instructions::i256::Sign::Zero"
                                                        |) in
                                                      Value.Tuple []))
                                                ],
                                                M.closure
                                                  (fun γ =>
                                                    ltac:(M.monadic
                                                      match γ with
                                                      | [] =>
                                                        ltac:(M.monadic
                                                          (M.alloc (|
                                                            M.call_closure (|
                                                              M.get_associated_function (|
                                                                Ty.apply
                                                                  (Ty.path "ruint::Uint")
                                                                  [
                                                                    Value.Integer
                                                                      IntegerKind.Usize
                                                                      256;
                                                                    Value.Integer
                                                                      IntegerKind.Usize
                                                                      4
                                                                  ]
                                                                  [],
                                                                "wrapping_shr",
                                                                []
                                                              |),
                                                              [
                                                                M.read (| M.read (| op2 |) |);
                                                                M.read (| shift |)
                                                              ]
                                                            |)
                                                          |)))
                                                      | _ =>
                                                        M.impossible "wrong number of arguments"
                                                      end))
                                              |)));
                                          fun γ =>
                                            ltac:(M.monadic
                                              (let _ :=
                                                M.is_struct_tuple (|
                                                  γ,
                                                  "revm_interpreter::instructions::i256::Sign::Minus"
                                                |) in
                                              M.alloc (|
                                                M.call_closure (|
                                                  M.get_function (|
                                                    "revm_interpreter::instructions::i256::two_compl",
                                                    []
                                                  |),
                                                  [
                                                    M.call_closure (|
                                                      M.get_associated_function (|
                                                        Ty.apply
                                                          (Ty.path "ruint::Uint")
                                                          [
                                                            Value.Integer IntegerKind.Usize 256;
                                                            Value.Integer IntegerKind.Usize 4
                                                          ]
                                                          [],
                                                        "wrapping_add",
                                                        []
                                                      |),
                                                      [
                                                        M.call_closure (|
                                                          M.get_associated_function (|
                                                            Ty.apply
                                                              (Ty.path "ruint::Uint")
                                                              [
                                                                Value.Integer IntegerKind.Usize 256;
                                                                Value.Integer IntegerKind.Usize 4
                                                              ]
                                                              [],
                                                            "wrapping_shr",
                                                            []
                                                          |),
                                                          [
                                                            M.call_closure (|
                                                              M.get_associated_function (|
                                                                Ty.apply
                                                                  (Ty.path "ruint::Uint")
                                                                  [
                                                                    Value.Integer
                                                                      IntegerKind.Usize
                                                                      256;
                                                                    Value.Integer
                                                                      IntegerKind.Usize
                                                                      4
                                                                  ]
                                                                  [],
                                                                "wrapping_sub",
                                                                []
                                                              |),
                                                              [
                                                                M.read (| M.read (| op2 |) |);
                                                                M.read (|
                                                                  M.get_constant (|
                                                                    "revm_interpreter::instructions::bitwise::sar::ONE"
                                                                  |)
                                                                |)
                                                              ]
                                                            |);
                                                            M.read (| shift |)
                                                          ]
                                                        |);
                                                        M.read (|
                                                          M.get_constant (|
                                                            "revm_interpreter::instructions::bitwise::sar::ONE"
                                                          |)
                                                        |)
                                                      ]
                                                    |)
                                                  ]
                                                |)
                                              |)))
                                        ]
                                      |)))
                                ]
                              |)
                            |)
                          |) in
                        M.alloc (| Value.Tuple [] |)))
                  ]
                |)
              |)))
          |)))
      | _, _, _ => M.impossible "wrong number of arguments"
      end.
    
    Axiom Function_sar : M.IsFunction "revm_interpreter::instructions::bitwise::sar" sar.
    
    Module sar.
      Definition value_ONE : Value.t :=
        M.run
          ltac:(M.monadic
            (M.alloc (|
              M.call_closure (|
                M.get_associated_function (|
                  Ty.apply
                    (Ty.path "ruint::Uint")
                    [ Value.Integer IntegerKind.Usize 256; Value.Integer IntegerKind.Usize 4 ]
                    [],
                  "from_limbs",
                  []
                |),
                [
                  Value.Array
                    [
                      Value.Integer IntegerKind.U64 1;
                      Value.Integer IntegerKind.U64 0;
                      Value.Integer IntegerKind.U64 0;
                      Value.Integer IntegerKind.U64 0
                    ]
                ]
              |)
            |))).
    End sar.
  End bitwise.
End instructions.
