<check-ce>Check model 0 ("bench/check-ce/test_result_ce_value2.mlw", line 13, characters 14-20)
<check-ce>Checking model:
          File test_result_ce_value2.mlw:
            Line 7:
              x = {"type": "Integer", "val": "-1"}
            Line 8:
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "-1"}}]}}
            Line 10:
              x = {"type": "Integer", "val": "-1"}
            Line 12:
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "-1"}}]}}
              result = {"type": "Integer", "val": "0"}
            Line 13:
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "-1"}}]}}
<check-ce>Giant-step RAC
<rac-values>RHS evaluated for global `zero` at "WHY3DATA/stdlib/int.mlw", line 13, characters 15-19: 0
<rac-values>RHS evaluated for global `one` at "WHY3DATA/stdlib/int.mlw", line 14, characters 15-18: 1
<rac-values>Type default value for return value of call at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 10-15 at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 10-15: 0
<rac-values>RHS evaluated for global `a` at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 8-9: {contents=
                                                                    0}
<rac-values>Value from model for parameter `x` at "bench/check-ce/test_result_ce_value2.mlw", line 10, characters 11-12: (-1)
<rac-values>Value from model for variable `a` at "bench/check-ce/test_result_ce_value2.mlw", line 12, characters 5-9 at "bench/check-ce/test_result_ce_value2.mlw", line 12, characters 5-9: {contents=
                                                                    (-1)}
<rac-values>Value from model for return value of call to id at "bench/check-ce/test_result_ce_value2.mlw", line 12, characters 5-9 at "bench/check-ce/test_result_ce_value2.mlw", line 12, characters 5-9: 0
<check-ce>Normal RAC
<rac-values>RHS evaluated for global `zero` at "WHY3DATA/stdlib/int.mlw", line 13, characters 15-19: 0
<rac-values>RHS evaluated for global `one` at "WHY3DATA/stdlib/int.mlw", line 14, characters 15-18: 1
<rac-values>Type default value for return value of call at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 10-15 at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 10-15: 0
<rac-values>RHS evaluated for global `a` at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 8-9: {contents=
                                                                    0}
<rac-values>Value from model for parameter `x` at "bench/check-ce/test_result_ce_value2.mlw", line 10, characters 11-12: (-1)
<rac-values>Value from model for variable `a` at "bench/check-ce/test_result_ce_value2.mlw", line 12, characters 5-9 at "bench/check-ce/test_result_ce_value2.mlw", line 12, characters 5-9: {contents=
                                                                    (-1)}
<rac-values>Value from model for return value of call to id at "bench/check-ce/test_result_ce_value2.mlw", line 12, characters 5-9 at "bench/check-ce/test_result_ce_value2.mlw", line 12, characters 5-9: 0
<check-ce>Result of checking model 0: NC
            - Concrete RAC: FAILURE (assertion at "bench/check-ce/test_result_ce_value2.mlw", line 13, characters 14-20)
              File int.mlw:
                Line 13:
                  Constant zero initialization
                  zero = 0
                Line 14:
                  Constant one initialization
                  one = 1
              File test_result_ce_value2.mlw:
                Line 3:
                  Constant a initialization
                  (giant-step) execution of unimplemented function with args:
                  result = 0
                  Normal execution of function `ref` with args:
                    contents = 0
                  Normal execution of function `ref'mk` with args:
                    contents = 0
                  a = {contents= 0}
                Line 10:
                  x = (-1)
                  x = (-1)
                  Execution of main function `test2` with env:
                    a = {contents= 0}
                    x = (-1)
                    zero = 0
                    one = 1
                Line 12:
                  (giant-step) execution of unimplemented function `id`
                    x = (-1)
                  a = {contents= (-1)}
                  result of `id` = 0
                  Normal execution of function `(<)` with args:
                    _ = 0
                    _ = 10
                Line 13:
                  Property failure at assertion with:
                    a = {contents= (-1)}
            - Abstract RAC: FAILURE (assertion at "bench/check-ce/test_result_ce_value2.mlw", line 13, characters 14-20)
              File int.mlw:
                Line 13:
                  Constant zero initialization
                  zero = 0
                Line 14:
                  Constant one initialization
                  one = 1
              File test_result_ce_value2.mlw:
                Line 3:
                  Constant a initialization
                  (giant-step) execution of unimplemented function with args:
                  result = 0
                  Normal execution of function `ref` with args:
                    contents = 0
                  Normal execution of function `ref'mk` with args:
                    contents = 0
                  a = {contents= 0}
                Line 10:
                  x = (-1)
                  x = (-1)
                  Execution of main function `test2` with env:
                    a = {contents= 0}
                    x = (-1)
                    zero = 0
                    one = 1
                Line 12:
                  Giant-step execution of function `id` with args:
                    x = (-1)
                  a = {contents= (-1)}
                  result of `id` = 0
                  Normal execution of function `(<)` with args:
                    _ = 0
                    _ = 10
                Line 13:
                  Property failure at assertion with:
                    a = {contents= (-1)}
<check-ce>Check model 1 ("bench/check-ce/test_result_ce_value2.mlw", line 13, characters 14-20)
<check-ce>Checking model:
          File test_result_ce_value2.mlw:
            Line 7:
              x = {"type": "Integer", "val": "-1"}
            Line 8:
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "-1"}}]}}
            Line 10:
              x = {"type": "Integer", "val": "-1"}
            Line 12:
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "-1"}}]}}
              result = {"type": "Integer", "val": "0"}
            Line 13:
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "-1"}}]}}
<check-ce>Giant-step RAC
<rac-values>RHS evaluated for global `zero` at "WHY3DATA/stdlib/int.mlw", line 13, characters 15-19: 0
<rac-values>RHS evaluated for global `one` at "WHY3DATA/stdlib/int.mlw", line 14, characters 15-18: 1
<rac-values>Type default value for return value of call at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 10-15 at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 10-15: 0
<rac-values>RHS evaluated for global `a` at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 8-9: {contents=
                                                                    0}
<rac-values>Value from model for parameter `x` at "bench/check-ce/test_result_ce_value2.mlw", line 10, characters 11-12: (-1)
<rac-values>Value from model for variable `a` at "bench/check-ce/test_result_ce_value2.mlw", line 12, characters 5-9 at "bench/check-ce/test_result_ce_value2.mlw", line 12, characters 5-9: {contents=
                                                                    (-1)}
<rac-values>Value from model for return value of call to id at "bench/check-ce/test_result_ce_value2.mlw", line 12, characters 5-9 at "bench/check-ce/test_result_ce_value2.mlw", line 12, characters 5-9: 0
<check-ce>Normal RAC
<rac-values>RHS evaluated for global `zero` at "WHY3DATA/stdlib/int.mlw", line 13, characters 15-19: 0
<rac-values>RHS evaluated for global `one` at "WHY3DATA/stdlib/int.mlw", line 14, characters 15-18: 1
<rac-values>Type default value for return value of call at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 10-15 at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 10-15: 0
<rac-values>RHS evaluated for global `a` at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 8-9: {contents=
                                                                    0}
<rac-values>Value from model for parameter `x` at "bench/check-ce/test_result_ce_value2.mlw", line 10, characters 11-12: (-1)
<rac-values>Value from model for variable `a` at "bench/check-ce/test_result_ce_value2.mlw", line 12, characters 5-9 at "bench/check-ce/test_result_ce_value2.mlw", line 12, characters 5-9: {contents=
                                                                    (-1)}
<rac-values>Value from model for return value of call to id at "bench/check-ce/test_result_ce_value2.mlw", line 12, characters 5-9 at "bench/check-ce/test_result_ce_value2.mlw", line 12, characters 5-9: 0
<check-ce>Result of checking model 1: NC
            - Concrete RAC: FAILURE (assertion at "bench/check-ce/test_result_ce_value2.mlw", line 13, characters 14-20)
              File int.mlw:
                Line 13:
                  Constant zero initialization
                  zero = 0
                Line 14:
                  Constant one initialization
                  one = 1
              File test_result_ce_value2.mlw:
                Line 3:
                  Constant a initialization
                  (giant-step) execution of unimplemented function with args:
                  result = 0
                  Normal execution of function `ref` with args:
                    contents = 0
                  Normal execution of function `ref'mk` with args:
                    contents = 0
                  a = {contents= 0}
                Line 10:
                  x = (-1)
                  x = (-1)
                  Execution of main function `test2` with env:
                    a = {contents= 0}
                    x = (-1)
                    zero = 0
                    one = 1
                Line 12:
                  (giant-step) execution of unimplemented function `id`
                    x = (-1)
                  a = {contents= (-1)}
                  result of `id` = 0
                  Normal execution of function `(<)` with args:
                    _ = 0
                    _ = 10
                Line 13:
                  Property failure at assertion with:
                    a = {contents= (-1)}
            - Abstract RAC: FAILURE (assertion at "bench/check-ce/test_result_ce_value2.mlw", line 13, characters 14-20)
              File int.mlw:
                Line 13:
                  Constant zero initialization
                  zero = 0
                Line 14:
                  Constant one initialization
                  one = 1
              File test_result_ce_value2.mlw:
                Line 3:
                  Constant a initialization
                  (giant-step) execution of unimplemented function with args:
                  result = 0
                  Normal execution of function `ref` with args:
                    contents = 0
                  Normal execution of function `ref'mk` with args:
                    contents = 0
                  a = {contents= 0}
                Line 10:
                  x = (-1)
                  x = (-1)
                  Execution of main function `test2` with env:
                    a = {contents= 0}
                    x = (-1)
                    zero = 0
                    one = 1
                Line 12:
                  Giant-step execution of function `id` with args:
                    x = (-1)
                  a = {contents= (-1)}
                  result of `id` = 0
                  Normal execution of function `(<)` with args:
                    _ = 0
                    _ = 10
                Line 13:
                  Property failure at assertion with:
                    a = {contents= (-1)}
<check-ce-summary>Results:
- Selected model 0: NC
  - Concrete RAC: FAILURE (assertion at "bench/check-ce/test_result_ce_value2.mlw", line 13, characters 14-20)
  - Abstract RAC: FAILURE (assertion at "bench/check-ce/test_result_ce_value2.mlw", line 13, characters 14-20)
- Checked model 1: NC
  - Concrete RAC: FAILURE (assertion at "bench/check-ce/test_result_ce_value2.mlw", line 13, characters 14-20)
  - Abstract RAC: FAILURE (assertion at "bench/check-ce/test_result_ce_value2.mlw", line 13, characters 14-20)
File "bench/check-ce/test_result_ce_value2.mlw", line 13, characters 14-20:
Sub-goal Assertion of goal test2'vc.
Prover result is: Unknown (unknown + incomplete) (0.07s, 6505 steps).
The program does not comply to the verification goal, for example during the
  following execution:
File int.mlw:
  Line 13:
    Constant zero initialization
    zero = 0
  Line 14:
    Constant one initialization
    one = 1
File test_result_ce_value2.mlw:
  Line 3:
    Constant a initialization
    (giant-step) execution of unimplemented function with args:
    result = 0
    Normal execution of function `ref` with args:
      contents = 0
    Normal execution of function `ref'mk` with args:
      contents = 0
    a = {contents= 0}
  Line 10:
    x = (-1)
    x = (-1)
    Execution of main function `test2` with env:
      a = {contents= 0}
      x = (-1)
      zero = 0
      one = 1
  Line 12:
    (giant-step) execution of unimplemented function `id`
      x = (-1)
    a = {contents= (-1)}
    result of `id` = 0
    Normal execution of function `(<)` with args:
      _ = 0
      _ = 10
  Line 13:
    Property failure at assertion with:
      a = {contents= (-1)}

<check-ce>Check model 0 ("bench/check-ce/test_result_ce_value2.mlw", line 15, characters 14-20)
<check-ce>Checking model:
          File test_result_ce_value2.mlw:
            Line 7:
              x = {"type": "Integer", "val": "0"}
            Line 8:
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "42"}}]}}
            Line 10:
              x = {"type": "Integer", "val": "0"}
            Line 12:
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "42"}}]}}
              result = {"type": "Integer", "val": "43"}
            Line 15:
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "42"}}]}}
<check-ce>Giant-step RAC
<rac-values>RHS evaluated for global `zero` at "WHY3DATA/stdlib/int.mlw", line 13, characters 15-19: 0
<rac-values>RHS evaluated for global `one` at "WHY3DATA/stdlib/int.mlw", line 14, characters 15-18: 1
<rac-values>Type default value for return value of call at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 10-15 at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 10-15: 0
<rac-values>RHS evaluated for global `a` at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 8-9: {contents=
                                                                    0}
<rac-values>Value from model for parameter `x` at "bench/check-ce/test_result_ce_value2.mlw", line 10, characters 11-12: 0
<rac-values>Value from model for variable `a` at "bench/check-ce/test_result_ce_value2.mlw", line 12, characters 5-9 at "bench/check-ce/test_result_ce_value2.mlw", line 12, characters 5-9: {contents=
                                                                    42}
<rac-values>Value from model for return value of call to id at "bench/check-ce/test_result_ce_value2.mlw", line 12, characters 5-9 at "bench/check-ce/test_result_ce_value2.mlw", line 12, characters 5-9: 43
<check-ce>Normal RAC
<rac-values>RHS evaluated for global `zero` at "WHY3DATA/stdlib/int.mlw", line 13, characters 15-19: 0
<rac-values>RHS evaluated for global `one` at "WHY3DATA/stdlib/int.mlw", line 14, characters 15-18: 1
<rac-values>Type default value for return value of call at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 10-15 at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 10-15: 0
<rac-values>RHS evaluated for global `a` at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 8-9: {contents=
                                                                    0}
<rac-values>Value from model for parameter `x` at "bench/check-ce/test_result_ce_value2.mlw", line 10, characters 11-12: 0
<rac-values>Value from model for variable `a` at "bench/check-ce/test_result_ce_value2.mlw", line 12, characters 5-9 at "bench/check-ce/test_result_ce_value2.mlw", line 12, characters 5-9: {contents=
                                                                    42}
<rac-values>Value from model for return value of call to id at "bench/check-ce/test_result_ce_value2.mlw", line 12, characters 5-9 at "bench/check-ce/test_result_ce_value2.mlw", line 12, characters 5-9: 43
<check-ce>Result of checking model 0: NC
            - Concrete RAC: FAILURE (assertion at "bench/check-ce/test_result_ce_value2.mlw", line 15, characters 14-20)
              File int.mlw:
                Line 13:
                  Constant zero initialization
                  zero = 0
                Line 14:
                  Constant one initialization
                  one = 1
              File test_result_ce_value2.mlw:
                Line 3:
                  Constant a initialization
                  (giant-step) execution of unimplemented function with args:
                  result = 0
                  Normal execution of function `ref` with args:
                    contents = 0
                  Normal execution of function `ref'mk` with args:
                    contents = 0
                  a = {contents= 0}
                Line 10:
                  x = 0
                  x = 0
                  Execution of main function `test2` with env:
                    a = {contents= 0}
                    x = 0
                    zero = 0
                    one = 1
                Line 12:
                  (giant-step) execution of unimplemented function `id`
                    x = 0
                  a = {contents= 42}
                  result of `id` = 43
                  Normal execution of function `(<)` with args:
                    _ = 43
                    _ = 10
                Line 15:
                  Property failure at assertion with:
                    a = {contents= 42}
            - Abstract RAC: FAILURE (assertion at "bench/check-ce/test_result_ce_value2.mlw", line 15, characters 14-20)
              File int.mlw:
                Line 13:
                  Constant zero initialization
                  zero = 0
                Line 14:
                  Constant one initialization
                  one = 1
              File test_result_ce_value2.mlw:
                Line 3:
                  Constant a initialization
                  (giant-step) execution of unimplemented function with args:
                  result = 0
                  Normal execution of function `ref` with args:
                    contents = 0
                  Normal execution of function `ref'mk` with args:
                    contents = 0
                  a = {contents= 0}
                Line 10:
                  x = 0
                  x = 0
                  Execution of main function `test2` with env:
                    a = {contents= 0}
                    x = 0
                    zero = 0
                    one = 1
                Line 12:
                  Giant-step execution of function `id` with args:
                    x = 0
                  a = {contents= 42}
                  result of `id` = 43
                  Normal execution of function `(<)` with args:
                    _ = 43
                    _ = 10
                Line 15:
                  Property failure at assertion with:
                    a = {contents= 42}
<check-ce>Check model 1 ("bench/check-ce/test_result_ce_value2.mlw", line 15, characters 14-20)
<check-ce>Checking model:
          File test_result_ce_value2.mlw:
            Line 7:
              x = {"type": "Integer", "val": "0"}
            Line 8:
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "42"}}]}}
            Line 10:
              x = {"type": "Integer", "val": "0"}
            Line 12:
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "42"}}]}}
              result = {"type": "Integer", "val": "43"}
            Line 15:
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "42"}}]}}
<check-ce>Giant-step RAC
<rac-values>RHS evaluated for global `zero` at "WHY3DATA/stdlib/int.mlw", line 13, characters 15-19: 0
<rac-values>RHS evaluated for global `one` at "WHY3DATA/stdlib/int.mlw", line 14, characters 15-18: 1
<rac-values>Type default value for return value of call at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 10-15 at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 10-15: 0
<rac-values>RHS evaluated for global `a` at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 8-9: {contents=
                                                                    0}
<rac-values>Value from model for parameter `x` at "bench/check-ce/test_result_ce_value2.mlw", line 10, characters 11-12: 0
<rac-values>Value from model for variable `a` at "bench/check-ce/test_result_ce_value2.mlw", line 12, characters 5-9 at "bench/check-ce/test_result_ce_value2.mlw", line 12, characters 5-9: {contents=
                                                                    42}
<rac-values>Value from model for return value of call to id at "bench/check-ce/test_result_ce_value2.mlw", line 12, characters 5-9 at "bench/check-ce/test_result_ce_value2.mlw", line 12, characters 5-9: 43
<check-ce>Normal RAC
<rac-values>RHS evaluated for global `zero` at "WHY3DATA/stdlib/int.mlw", line 13, characters 15-19: 0
<rac-values>RHS evaluated for global `one` at "WHY3DATA/stdlib/int.mlw", line 14, characters 15-18: 1
<rac-values>Type default value for return value of call at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 10-15 at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 10-15: 0
<rac-values>RHS evaluated for global `a` at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 8-9: {contents=
                                                                    0}
<rac-values>Value from model for parameter `x` at "bench/check-ce/test_result_ce_value2.mlw", line 10, characters 11-12: 0
<rac-values>Value from model for variable `a` at "bench/check-ce/test_result_ce_value2.mlw", line 12, characters 5-9 at "bench/check-ce/test_result_ce_value2.mlw", line 12, characters 5-9: {contents=
                                                                    42}
<rac-values>Value from model for return value of call to id at "bench/check-ce/test_result_ce_value2.mlw", line 12, characters 5-9 at "bench/check-ce/test_result_ce_value2.mlw", line 12, characters 5-9: 43
<check-ce>Result of checking model 1: NC
            - Concrete RAC: FAILURE (assertion at "bench/check-ce/test_result_ce_value2.mlw", line 15, characters 14-20)
              File int.mlw:
                Line 13:
                  Constant zero initialization
                  zero = 0
                Line 14:
                  Constant one initialization
                  one = 1
              File test_result_ce_value2.mlw:
                Line 3:
                  Constant a initialization
                  (giant-step) execution of unimplemented function with args:
                  result = 0
                  Normal execution of function `ref` with args:
                    contents = 0
                  Normal execution of function `ref'mk` with args:
                    contents = 0
                  a = {contents= 0}
                Line 10:
                  x = 0
                  x = 0
                  Execution of main function `test2` with env:
                    a = {contents= 0}
                    x = 0
                    zero = 0
                    one = 1
                Line 12:
                  (giant-step) execution of unimplemented function `id`
                    x = 0
                  a = {contents= 42}
                  result of `id` = 43
                  Normal execution of function `(<)` with args:
                    _ = 43
                    _ = 10
                Line 15:
                  Property failure at assertion with:
                    a = {contents= 42}
            - Abstract RAC: FAILURE (assertion at "bench/check-ce/test_result_ce_value2.mlw", line 15, characters 14-20)
              File int.mlw:
                Line 13:
                  Constant zero initialization
                  zero = 0
                Line 14:
                  Constant one initialization
                  one = 1
              File test_result_ce_value2.mlw:
                Line 3:
                  Constant a initialization
                  (giant-step) execution of unimplemented function with args:
                  result = 0
                  Normal execution of function `ref` with args:
                    contents = 0
                  Normal execution of function `ref'mk` with args:
                    contents = 0
                  a = {contents= 0}
                Line 10:
                  x = 0
                  x = 0
                  Execution of main function `test2` with env:
                    a = {contents= 0}
                    x = 0
                    zero = 0
                    one = 1
                Line 12:
                  Giant-step execution of function `id` with args:
                    x = 0
                  a = {contents= 42}
                  result of `id` = 43
                  Normal execution of function `(<)` with args:
                    _ = 43
                    _ = 10
                Line 15:
                  Property failure at assertion with:
                    a = {contents= 42}
<check-ce-summary>Results:
- Selected model 0: NC
  - Concrete RAC: FAILURE (assertion at "bench/check-ce/test_result_ce_value2.mlw", line 15, characters 14-20)
  - Abstract RAC: FAILURE (assertion at "bench/check-ce/test_result_ce_value2.mlw", line 15, characters 14-20)
- Checked model 1: NC
  - Concrete RAC: FAILURE (assertion at "bench/check-ce/test_result_ce_value2.mlw", line 15, characters 14-20)
  - Abstract RAC: FAILURE (assertion at "bench/check-ce/test_result_ce_value2.mlw", line 15, characters 14-20)
File "bench/check-ce/test_result_ce_value2.mlw", line 15, characters 14-20:
Sub-goal Assertion of goal test2'vc.
Prover result is: Unknown (unknown + incomplete) (0.03s, 6476 steps).
The program does not comply to the verification goal, for example during the
  following execution:
File int.mlw:
  Line 13:
    Constant zero initialization
    zero = 0
  Line 14:
    Constant one initialization
    one = 1
File test_result_ce_value2.mlw:
  Line 3:
    Constant a initialization
    (giant-step) execution of unimplemented function with args:
    result = 0
    Normal execution of function `ref` with args:
      contents = 0
    Normal execution of function `ref'mk` with args:
      contents = 0
    a = {contents= 0}
  Line 10:
    x = 0
    x = 0
    Execution of main function `test2` with env:
      a = {contents= 0}
      x = 0
      zero = 0
      one = 1
  Line 12:
    (giant-step) execution of unimplemented function `id`
      x = 0
    a = {contents= 42}
    result of `id` = 43
    Normal execution of function `(<)` with args:
      _ = 43
      _ = 10
  Line 15:
    Property failure at assertion with:
      a = {contents= 42}

<check-ce>Check model 0 ("bench/check-ce/test_result_ce_value2.mlw", line 18, characters 12-19)
<check-ce>Checking model:
          File test_result_ce_value2.mlw:
            Line 7:
              x = {"type": "Integer", "val": "-1"}
            Line 8:
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "41"}}]}}
            Line 17:
              x = {"type": "Integer", "val": "-1"}
            Line 18:
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "42"}}]}}
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "42"}}]}}
            Line 21:
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "-1"}}]}}
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "41"}}]}}
              result = {"type": "Integer", "val": "51"}
              result = {"type": "Integer", "val": "0"}
            Line 22:
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "42"}}]}}
<check-ce>Giant-step RAC
<rac-values>RHS evaluated for global `zero` at "WHY3DATA/stdlib/int.mlw", line 13, characters 15-19: 0
<rac-values>RHS evaluated for global `one` at "WHY3DATA/stdlib/int.mlw", line 14, characters 15-18: 1
<rac-values>Type default value for return value of call at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 10-15 at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 10-15: 0
<rac-values>RHS evaluated for global `a` at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 8-9: {contents=
                                                                    0}
<rac-values>Value from model for parameter `x` at "bench/check-ce/test_result_ce_value2.mlw", line 17, characters 11-12: (-1)
<rac-values>Value from model for variable `a` at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9 at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9: {contents=
                                                                    (-1)}
<rac-values>Value from model for return value of call to id at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9 at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9: 0
<rac-values>Value from model for variable `a` at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 19-23 at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 19-23: {contents=
                                                                    41}
<rac-values>Value from model for return value of call to id at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 19-23 at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 19-23: 51
<check-ce>Normal RAC
<rac-values>RHS evaluated for global `zero` at "WHY3DATA/stdlib/int.mlw", line 13, characters 15-19: 0
<rac-values>RHS evaluated for global `one` at "WHY3DATA/stdlib/int.mlw", line 14, characters 15-18: 1
<rac-values>Type default value for return value of call at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 10-15 at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 10-15: 0
<rac-values>RHS evaluated for global `a` at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 8-9: {contents=
                                                                    0}
<rac-values>Value from model for parameter `x` at "bench/check-ce/test_result_ce_value2.mlw", line 17, characters 11-12: (-1)
<rac-values>Value from model for variable `a` at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9 at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9: {contents=
                                                                    (-1)}
<rac-values>Value from model for return value of call to id at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9 at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9: 0
<rac-values>Value from model for variable `a` at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 19-23 at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 19-23: {contents=
                                                                    41}
<rac-values>Value from model for return value of call to id at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 19-23 at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 19-23: 51
<check-ce>Result of checking model 0: NC
            - Concrete RAC: FAILURE (postcondition at "bench/check-ce/test_result_ce_value2.mlw", line 18, characters 12-19)
              File int.mlw:
                Line 13:
                  Constant zero initialization
                  zero = 0
                Line 14:
                  Constant one initialization
                  one = 1
              File test_result_ce_value2.mlw:
                Line 3:
                  Constant a initialization
                  (giant-step) execution of unimplemented function with args:
                  result = 0
                  Normal execution of function `ref` with args:
                    contents = 0
                  Normal execution of function `ref'mk` with args:
                    contents = 0
                  a = {contents= 0}
                Line 17:
                  x = (-1)
                  x = (-1)
                  Execution of main function `test3` with env:
                    a = {contents= 0}
                    x = (-1)
                    zero = 0
                    one = 1
                Line 21:
                  (giant-step) execution of unimplemented function `id`
                    x = (-1)
                  a = {contents= (-1)}
                  result of `id` = 0
                  Normal execution of function `(<)` with args:
                    _ = 0
                    _ = 100
                  (giant-step) execution of unimplemented function `id`
                    x = (-1)
                  a = {contents= 41}
                  result of `id` = 51
                  Normal execution of function `(>)` with args:
                    x = 51
                    y = 50
                Line 22:
                  Normal execution of function `contents` with args:
                    arg = {contents= 41}
                  Normal execution of function `(+)` with args:
                    _ = 41
                    _ = 1
                Line 18:
                  Property failure at postcondition of `test3` with:
                    a = {contents= 42}
            - Abstract RAC: FAILURE (postcondition at "bench/check-ce/test_result_ce_value2.mlw", line 18, characters 12-19)
              File int.mlw:
                Line 13:
                  Constant zero initialization
                  zero = 0
                Line 14:
                  Constant one initialization
                  one = 1
              File test_result_ce_value2.mlw:
                Line 3:
                  Constant a initialization
                  (giant-step) execution of unimplemented function with args:
                  result = 0
                  Normal execution of function `ref` with args:
                    contents = 0
                  Normal execution of function `ref'mk` with args:
                    contents = 0
                  a = {contents= 0}
                Line 17:
                  x = (-1)
                  x = (-1)
                  Execution of main function `test3` with env:
                    a = {contents= 0}
                    x = (-1)
                    zero = 0
                    one = 1
                Line 21:
                  Giant-step execution of function `id` with args:
                    x = (-1)
                  a = {contents= (-1)}
                  result of `id` = 0
                  Normal execution of function `(<)` with args:
                    _ = 0
                    _ = 100
                  Giant-step execution of function `id` with args:
                    x = (-1)
                  a = {contents= 41}
                  result of `id` = 51
                  Normal execution of function `(>)` with args:
                    x = 51
                    y = 50
                Line 22:
                  Normal execution of function `contents` with args:
                    arg = {contents= 41}
                  Normal execution of function `(+)` with args:
                    _ = 41
                    _ = 1
                Line 18:
                  Property failure at postcondition of `test3` with:
                    a = {contents= 42}
<check-ce>Check model 1 ("bench/check-ce/test_result_ce_value2.mlw", line 18, characters 12-19)
<check-ce>Checking model:
          File test_result_ce_value2.mlw:
            Line 7:
              x = {"type": "Integer", "val": "-1"}
            Line 8:
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "41"}}]}}
            Line 17:
              x = {"type": "Integer", "val": "-1"}
            Line 18:
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "42"}}]}}
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "42"}}]}}
            Line 21:
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "-1"}}]}}
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "41"}}]}}
              result = {"type": "Integer", "val": "51"}
              result = {"type": "Integer", "val": "0"}
            Line 22:
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "42"}}]}}
<check-ce>Giant-step RAC
<rac-values>RHS evaluated for global `zero` at "WHY3DATA/stdlib/int.mlw", line 13, characters 15-19: 0
<rac-values>RHS evaluated for global `one` at "WHY3DATA/stdlib/int.mlw", line 14, characters 15-18: 1
<rac-values>Type default value for return value of call at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 10-15 at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 10-15: 0
<rac-values>RHS evaluated for global `a` at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 8-9: {contents=
                                                                    0}
<rac-values>Value from model for parameter `x` at "bench/check-ce/test_result_ce_value2.mlw", line 17, characters 11-12: (-1)
<rac-values>Value from model for variable `a` at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9 at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9: {contents=
                                                                    (-1)}
<rac-values>Value from model for return value of call to id at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9 at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9: 0
<rac-values>Value from model for variable `a` at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 19-23 at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 19-23: {contents=
                                                                    41}
<rac-values>Value from model for return value of call to id at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 19-23 at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 19-23: 51
<check-ce>Normal RAC
<rac-values>RHS evaluated for global `zero` at "WHY3DATA/stdlib/int.mlw", line 13, characters 15-19: 0
<rac-values>RHS evaluated for global `one` at "WHY3DATA/stdlib/int.mlw", line 14, characters 15-18: 1
<rac-values>Type default value for return value of call at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 10-15 at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 10-15: 0
<rac-values>RHS evaluated for global `a` at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 8-9: {contents=
                                                                    0}
<rac-values>Value from model for parameter `x` at "bench/check-ce/test_result_ce_value2.mlw", line 17, characters 11-12: (-1)
<rac-values>Value from model for variable `a` at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9 at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9: {contents=
                                                                    (-1)}
<rac-values>Value from model for return value of call to id at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9 at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9: 0
<rac-values>Value from model for variable `a` at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 19-23 at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 19-23: {contents=
                                                                    41}
<rac-values>Value from model for return value of call to id at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 19-23 at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 19-23: 51
<check-ce>Result of checking model 1: NC
            - Concrete RAC: FAILURE (postcondition at "bench/check-ce/test_result_ce_value2.mlw", line 18, characters 12-19)
              File int.mlw:
                Line 13:
                  Constant zero initialization
                  zero = 0
                Line 14:
                  Constant one initialization
                  one = 1
              File test_result_ce_value2.mlw:
                Line 3:
                  Constant a initialization
                  (giant-step) execution of unimplemented function with args:
                  result = 0
                  Normal execution of function `ref` with args:
                    contents = 0
                  Normal execution of function `ref'mk` with args:
                    contents = 0
                  a = {contents= 0}
                Line 17:
                  x = (-1)
                  x = (-1)
                  Execution of main function `test3` with env:
                    a = {contents= 0}
                    x = (-1)
                    zero = 0
                    one = 1
                Line 21:
                  (giant-step) execution of unimplemented function `id`
                    x = (-1)
                  a = {contents= (-1)}
                  result of `id` = 0
                  Normal execution of function `(<)` with args:
                    _ = 0
                    _ = 100
                  (giant-step) execution of unimplemented function `id`
                    x = (-1)
                  a = {contents= 41}
                  result of `id` = 51
                  Normal execution of function `(>)` with args:
                    x = 51
                    y = 50
                Line 22:
                  Normal execution of function `contents` with args:
                    arg = {contents= 41}
                  Normal execution of function `(+)` with args:
                    _ = 41
                    _ = 1
                Line 18:
                  Property failure at postcondition of `test3` with:
                    a = {contents= 42}
            - Abstract RAC: FAILURE (postcondition at "bench/check-ce/test_result_ce_value2.mlw", line 18, characters 12-19)
              File int.mlw:
                Line 13:
                  Constant zero initialization
                  zero = 0
                Line 14:
                  Constant one initialization
                  one = 1
              File test_result_ce_value2.mlw:
                Line 3:
                  Constant a initialization
                  (giant-step) execution of unimplemented function with args:
                  result = 0
                  Normal execution of function `ref` with args:
                    contents = 0
                  Normal execution of function `ref'mk` with args:
                    contents = 0
                  a = {contents= 0}
                Line 17:
                  x = (-1)
                  x = (-1)
                  Execution of main function `test3` with env:
                    a = {contents= 0}
                    x = (-1)
                    zero = 0
                    one = 1
                Line 21:
                  Giant-step execution of function `id` with args:
                    x = (-1)
                  a = {contents= (-1)}
                  result of `id` = 0
                  Normal execution of function `(<)` with args:
                    _ = 0
                    _ = 100
                  Giant-step execution of function `id` with args:
                    x = (-1)
                  a = {contents= 41}
                  result of `id` = 51
                  Normal execution of function `(>)` with args:
                    x = 51
                    y = 50
                Line 22:
                  Normal execution of function `contents` with args:
                    arg = {contents= 41}
                  Normal execution of function `(+)` with args:
                    _ = 41
                    _ = 1
                Line 18:
                  Property failure at postcondition of `test3` with:
                    a = {contents= 42}
<check-ce-summary>Results:
- Selected model 0: NC
  - Concrete RAC: FAILURE (postcondition at "bench/check-ce/test_result_ce_value2.mlw", line 18, characters 12-19)
  - Abstract RAC: FAILURE (postcondition at "bench/check-ce/test_result_ce_value2.mlw", line 18, characters 12-19)
- Checked model 1: NC
  - Concrete RAC: FAILURE (postcondition at "bench/check-ce/test_result_ce_value2.mlw", line 18, characters 12-19)
  - Abstract RAC: FAILURE (postcondition at "bench/check-ce/test_result_ce_value2.mlw", line 18, characters 12-19)
File "bench/check-ce/test_result_ce_value2.mlw", line 18, characters 12-19:
Sub-goal Postcondition of goal test3'vc.
Prover result is: Unknown (unknown + incomplete) (0.03s, 6681 steps).
The program does not comply to the verification goal, for example during the
  following execution:
File int.mlw:
  Line 13:
    Constant zero initialization
    zero = 0
  Line 14:
    Constant one initialization
    one = 1
File test_result_ce_value2.mlw:
  Line 3:
    Constant a initialization
    (giant-step) execution of unimplemented function with args:
    result = 0
    Normal execution of function `ref` with args:
      contents = 0
    Normal execution of function `ref'mk` with args:
      contents = 0
    a = {contents= 0}
  Line 17:
    x = (-1)
    x = (-1)
    Execution of main function `test3` with env:
      a = {contents= 0}
      x = (-1)
      zero = 0
      one = 1
  Line 21:
    (giant-step) execution of unimplemented function `id`
      x = (-1)
    a = {contents= (-1)}
    result of `id` = 0
    Normal execution of function `(<)` with args:
      _ = 0
      _ = 100
    (giant-step) execution of unimplemented function `id`
      x = (-1)
    a = {contents= 41}
    result of `id` = 51
    Normal execution of function `(>)` with args:
      x = 51
      y = 50
  Line 22:
    Normal execution of function `contents` with args:
      arg = {contents= 41}
    Normal execution of function `(+)` with args:
      _ = 41
      _ = 1
  Line 18:
    Property failure at postcondition of `test3` with:
      a = {contents= 42}

<check-ce>Check model 0 ("bench/check-ce/test_result_ce_value2.mlw", line 18, characters 12-19)
<check-ce>Checking model:
          File test_result_ce_value2.mlw:
            Line 7:
              x = {"type": "Integer", "val": "-1"}
            Line 8:
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "40"}}]}}
            Line 17:
              x = {"type": "Integer", "val": "-1"}
            Line 18:
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "42"}}]}}
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "42"}}]}}
            Line 21:
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "-1"}}]}}
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "40"}}]}}
              result = {"type": "Integer", "val": "41"}
              result = {"type": "Integer", "val": "0"}
            Line 24:
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "42"}}]}}
<check-ce>Giant-step RAC
<rac-values>RHS evaluated for global `zero` at "WHY3DATA/stdlib/int.mlw", line 13, characters 15-19: 0
<rac-values>RHS evaluated for global `one` at "WHY3DATA/stdlib/int.mlw", line 14, characters 15-18: 1
<rac-values>Type default value for return value of call at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 10-15 at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 10-15: 0
<rac-values>RHS evaluated for global `a` at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 8-9: {contents=
                                                                    0}
<rac-values>Value from model for parameter `x` at "bench/check-ce/test_result_ce_value2.mlw", line 17, characters 11-12: (-1)
<rac-values>Value from model for variable `a` at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9 at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9: {contents=
                                                                    (-1)}
<rac-values>Value from model for return value of call to id at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9 at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9: 0
<rac-values>Value from model for variable `a` at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 19-23 at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 19-23: {contents=
                                                                    40}
<rac-values>Value from model for return value of call to id at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 19-23 at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 19-23: 41
<check-ce>Normal RAC
<rac-values>RHS evaluated for global `zero` at "WHY3DATA/stdlib/int.mlw", line 13, characters 15-19: 0
<rac-values>RHS evaluated for global `one` at "WHY3DATA/stdlib/int.mlw", line 14, characters 15-18: 1
<rac-values>Type default value for return value of call at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 10-15 at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 10-15: 0
<rac-values>RHS evaluated for global `a` at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 8-9: {contents=
                                                                    0}
<rac-values>Value from model for parameter `x` at "bench/check-ce/test_result_ce_value2.mlw", line 17, characters 11-12: (-1)
<rac-values>Value from model for variable `a` at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9 at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9: {contents=
                                                                    (-1)}
<rac-values>Value from model for return value of call to id at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9 at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9: 0
<rac-values>Value from model for variable `a` at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 19-23 at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 19-23: {contents=
                                                                    40}
<rac-values>Value from model for return value of call to id at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 19-23 at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 19-23: 41
<check-ce>Result of checking model 0: NC
            - Concrete RAC: FAILURE (postcondition at "bench/check-ce/test_result_ce_value2.mlw", line 18, characters 12-19)
              File int.mlw:
                Line 13:
                  Constant zero initialization
                  zero = 0
                Line 14:
                  Constant one initialization
                  one = 1
              File test_result_ce_value2.mlw:
                Line 3:
                  Constant a initialization
                  (giant-step) execution of unimplemented function with args:
                  result = 0
                  Normal execution of function `ref` with args:
                    contents = 0
                  Normal execution of function `ref'mk` with args:
                    contents = 0
                  a = {contents= 0}
                Line 17:
                  x = (-1)
                  x = (-1)
                  Execution of main function `test3` with env:
                    a = {contents= 0}
                    x = (-1)
                    zero = 0
                    one = 1
                Line 21:
                  (giant-step) execution of unimplemented function `id`
                    x = (-1)
                  a = {contents= (-1)}
                  result of `id` = 0
                  Normal execution of function `(<)` with args:
                    _ = 0
                    _ = 100
                  (giant-step) execution of unimplemented function `id`
                    x = (-1)
                  a = {contents= 40}
                  result of `id` = 41
                  Normal execution of function `(>)` with args:
                    x = 41
                    y = 50
                Line 24:
                  Normal execution of function `contents` with args:
                    arg = {contents= 40}
                  Normal execution of function `(+)` with args:
                    _ = 40
                    _ = 2
                Line 18:
                  Property failure at postcondition of `test3` with:
                    a = {contents= 42}
            - Abstract RAC: FAILURE (postcondition at "bench/check-ce/test_result_ce_value2.mlw", line 18, characters 12-19)
              File int.mlw:
                Line 13:
                  Constant zero initialization
                  zero = 0
                Line 14:
                  Constant one initialization
                  one = 1
              File test_result_ce_value2.mlw:
                Line 3:
                  Constant a initialization
                  (giant-step) execution of unimplemented function with args:
                  result = 0
                  Normal execution of function `ref` with args:
                    contents = 0
                  Normal execution of function `ref'mk` with args:
                    contents = 0
                  a = {contents= 0}
                Line 17:
                  x = (-1)
                  x = (-1)
                  Execution of main function `test3` with env:
                    a = {contents= 0}
                    x = (-1)
                    zero = 0
                    one = 1
                Line 21:
                  Giant-step execution of function `id` with args:
                    x = (-1)
                  a = {contents= (-1)}
                  result of `id` = 0
                  Normal execution of function `(<)` with args:
                    _ = 0
                    _ = 100
                  Giant-step execution of function `id` with args:
                    x = (-1)
                  a = {contents= 40}
                  result of `id` = 41
                  Normal execution of function `(>)` with args:
                    x = 41
                    y = 50
                Line 24:
                  Normal execution of function `contents` with args:
                    arg = {contents= 40}
                  Normal execution of function `(+)` with args:
                    _ = 40
                    _ = 2
                Line 18:
                  Property failure at postcondition of `test3` with:
                    a = {contents= 42}
<check-ce>Check model 1 ("bench/check-ce/test_result_ce_value2.mlw", line 18, characters 12-19)
<check-ce>Checking model:
          File test_result_ce_value2.mlw:
            Line 7:
              x = {"type": "Integer", "val": "-1"}
            Line 8:
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "40"}}]}}
            Line 17:
              x = {"type": "Integer", "val": "-1"}
            Line 18:
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "42"}}]}}
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "42"}}]}}
            Line 21:
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "-1"}}]}}
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "40"}}]}}
              result = {"type": "Integer", "val": "41"}
              result = {"type": "Integer", "val": "0"}
            Line 24:
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "42"}}]}}
<check-ce>Giant-step RAC
<rac-values>RHS evaluated for global `zero` at "WHY3DATA/stdlib/int.mlw", line 13, characters 15-19: 0
<rac-values>RHS evaluated for global `one` at "WHY3DATA/stdlib/int.mlw", line 14, characters 15-18: 1
<rac-values>Type default value for return value of call at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 10-15 at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 10-15: 0
<rac-values>RHS evaluated for global `a` at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 8-9: {contents=
                                                                    0}
<rac-values>Value from model for parameter `x` at "bench/check-ce/test_result_ce_value2.mlw", line 17, characters 11-12: (-1)
<rac-values>Value from model for variable `a` at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9 at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9: {contents=
                                                                    (-1)}
<rac-values>Value from model for return value of call to id at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9 at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9: 0
<rac-values>Value from model for variable `a` at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 19-23 at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 19-23: {contents=
                                                                    40}
<rac-values>Value from model for return value of call to id at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 19-23 at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 19-23: 41
<check-ce>Normal RAC
<rac-values>RHS evaluated for global `zero` at "WHY3DATA/stdlib/int.mlw", line 13, characters 15-19: 0
<rac-values>RHS evaluated for global `one` at "WHY3DATA/stdlib/int.mlw", line 14, characters 15-18: 1
<rac-values>Type default value for return value of call at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 10-15 at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 10-15: 0
<rac-values>RHS evaluated for global `a` at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 8-9: {contents=
                                                                    0}
<rac-values>Value from model for parameter `x` at "bench/check-ce/test_result_ce_value2.mlw", line 17, characters 11-12: (-1)
<rac-values>Value from model for variable `a` at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9 at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9: {contents=
                                                                    (-1)}
<rac-values>Value from model for return value of call to id at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9 at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9: 0
<rac-values>Value from model for variable `a` at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 19-23 at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 19-23: {contents=
                                                                    40}
<rac-values>Value from model for return value of call to id at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 19-23 at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 19-23: 41
<check-ce>Result of checking model 1: NC
            - Concrete RAC: FAILURE (postcondition at "bench/check-ce/test_result_ce_value2.mlw", line 18, characters 12-19)
              File int.mlw:
                Line 13:
                  Constant zero initialization
                  zero = 0
                Line 14:
                  Constant one initialization
                  one = 1
              File test_result_ce_value2.mlw:
                Line 3:
                  Constant a initialization
                  (giant-step) execution of unimplemented function with args:
                  result = 0
                  Normal execution of function `ref` with args:
                    contents = 0
                  Normal execution of function `ref'mk` with args:
                    contents = 0
                  a = {contents= 0}
                Line 17:
                  x = (-1)
                  x = (-1)
                  Execution of main function `test3` with env:
                    a = {contents= 0}
                    x = (-1)
                    zero = 0
                    one = 1
                Line 21:
                  (giant-step) execution of unimplemented function `id`
                    x = (-1)
                  a = {contents= (-1)}
                  result of `id` = 0
                  Normal execution of function `(<)` with args:
                    _ = 0
                    _ = 100
                  (giant-step) execution of unimplemented function `id`
                    x = (-1)
                  a = {contents= 40}
                  result of `id` = 41
                  Normal execution of function `(>)` with args:
                    x = 41
                    y = 50
                Line 24:
                  Normal execution of function `contents` with args:
                    arg = {contents= 40}
                  Normal execution of function `(+)` with args:
                    _ = 40
                    _ = 2
                Line 18:
                  Property failure at postcondition of `test3` with:
                    a = {contents= 42}
            - Abstract RAC: FAILURE (postcondition at "bench/check-ce/test_result_ce_value2.mlw", line 18, characters 12-19)
              File int.mlw:
                Line 13:
                  Constant zero initialization
                  zero = 0
                Line 14:
                  Constant one initialization
                  one = 1
              File test_result_ce_value2.mlw:
                Line 3:
                  Constant a initialization
                  (giant-step) execution of unimplemented function with args:
                  result = 0
                  Normal execution of function `ref` with args:
                    contents = 0
                  Normal execution of function `ref'mk` with args:
                    contents = 0
                  a = {contents= 0}
                Line 17:
                  x = (-1)
                  x = (-1)
                  Execution of main function `test3` with env:
                    a = {contents= 0}
                    x = (-1)
                    zero = 0
                    one = 1
                Line 21:
                  Giant-step execution of function `id` with args:
                    x = (-1)
                  a = {contents= (-1)}
                  result of `id` = 0
                  Normal execution of function `(<)` with args:
                    _ = 0
                    _ = 100
                  Giant-step execution of function `id` with args:
                    x = (-1)
                  a = {contents= 40}
                  result of `id` = 41
                  Normal execution of function `(>)` with args:
                    x = 41
                    y = 50
                Line 24:
                  Normal execution of function `contents` with args:
                    arg = {contents= 40}
                  Normal execution of function `(+)` with args:
                    _ = 40
                    _ = 2
                Line 18:
                  Property failure at postcondition of `test3` with:
                    a = {contents= 42}
<check-ce-summary>Results:
- Selected model 0: NC
  - Concrete RAC: FAILURE (postcondition at "bench/check-ce/test_result_ce_value2.mlw", line 18, characters 12-19)
  - Abstract RAC: FAILURE (postcondition at "bench/check-ce/test_result_ce_value2.mlw", line 18, characters 12-19)
- Checked model 1: NC
  - Concrete RAC: FAILURE (postcondition at "bench/check-ce/test_result_ce_value2.mlw", line 18, characters 12-19)
  - Abstract RAC: FAILURE (postcondition at "bench/check-ce/test_result_ce_value2.mlw", line 18, characters 12-19)
File "bench/check-ce/test_result_ce_value2.mlw", line 18, characters 12-19:
Sub-goal Postcondition of goal test3'vc.
Prover result is: Unknown (unknown + incomplete) (0.03s, 6704 steps).
The program does not comply to the verification goal, for example during the
  following execution:
File int.mlw:
  Line 13:
    Constant zero initialization
    zero = 0
  Line 14:
    Constant one initialization
    one = 1
File test_result_ce_value2.mlw:
  Line 3:
    Constant a initialization
    (giant-step) execution of unimplemented function with args:
    result = 0
    Normal execution of function `ref` with args:
      contents = 0
    Normal execution of function `ref'mk` with args:
      contents = 0
    a = {contents= 0}
  Line 17:
    x = (-1)
    x = (-1)
    Execution of main function `test3` with env:
      a = {contents= 0}
      x = (-1)
      zero = 0
      one = 1
  Line 21:
    (giant-step) execution of unimplemented function `id`
      x = (-1)
    a = {contents= (-1)}
    result of `id` = 0
    Normal execution of function `(<)` with args:
      _ = 0
      _ = 100
    (giant-step) execution of unimplemented function `id`
      x = (-1)
    a = {contents= 40}
    result of `id` = 41
    Normal execution of function `(>)` with args:
      x = 41
      y = 50
  Line 24:
    Normal execution of function `contents` with args:
      arg = {contents= 40}
    Normal execution of function `(+)` with args:
      _ = 40
      _ = 2
  Line 18:
    Property failure at postcondition of `test3` with:
      a = {contents= 42}

File "bench/check-ce/test_result_ce_value2.mlw", line 18, characters 12-19:
Sub-goal Postcondition of goal test3'vc.
Prover result is: Valid (0.02s, 1294 steps).

<check-ce>Check model 0 ("bench/check-ce/test_result_ce_value2.mlw", line 18, characters 12-19)
<check-ce>Checking model:
          File test_result_ce_value2.mlw:
            Line 7:
              x = {"type": "Integer", "val": "0"}
            Line 8:
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "40"}}]}}
            Line 17:
              x = {"type": "Integer", "val": "0"}
            Line 18:
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "42"}}]}}
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "42"}}]}}
            Line 21:
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "40"}}]}}
              result = {"type": "Integer", "val": "100"}
            Line 24:
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "42"}}]}}
<check-ce>Giant-step RAC
<rac-values>RHS evaluated for global `zero` at "WHY3DATA/stdlib/int.mlw", line 13, characters 15-19: 0
<rac-values>RHS evaluated for global `one` at "WHY3DATA/stdlib/int.mlw", line 14, characters 15-18: 1
<rac-values>Type default value for return value of call at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 10-15 at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 10-15: 0
<rac-values>RHS evaluated for global `a` at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 8-9: {contents=
                                                                    0}
<rac-values>Value from model for parameter `x` at "bench/check-ce/test_result_ce_value2.mlw", line 17, characters 11-12: 0
<rac-values>Value from model for variable `a` at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9 at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9: {contents=
                                                                    40}
<rac-values>Value from model for return value of call to id at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9 at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9: 100
<check-ce>Normal RAC
<rac-values>RHS evaluated for global `zero` at "WHY3DATA/stdlib/int.mlw", line 13, characters 15-19: 0
<rac-values>RHS evaluated for global `one` at "WHY3DATA/stdlib/int.mlw", line 14, characters 15-18: 1
<rac-values>Type default value for return value of call at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 10-15 at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 10-15: 0
<rac-values>RHS evaluated for global `a` at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 8-9: {contents=
                                                                    0}
<rac-values>Value from model for parameter `x` at "bench/check-ce/test_result_ce_value2.mlw", line 17, characters 11-12: 0
<rac-values>Value from model for variable `a` at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9 at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9: {contents=
                                                                    40}
<rac-values>Value from model for return value of call to id at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9 at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9: 100
<check-ce>Result of checking model 0: NC
            - Concrete RAC: FAILURE (postcondition at "bench/check-ce/test_result_ce_value2.mlw", line 18, characters 12-19)
              File int.mlw:
                Line 13:
                  Constant zero initialization
                  zero = 0
                Line 14:
                  Constant one initialization
                  one = 1
              File test_result_ce_value2.mlw:
                Line 3:
                  Constant a initialization
                  (giant-step) execution of unimplemented function with args:
                  result = 0
                  Normal execution of function `ref` with args:
                    contents = 0
                  Normal execution of function `ref'mk` with args:
                    contents = 0
                  a = {contents= 0}
                Line 17:
                  x = 0
                  x = 0
                  Execution of main function `test3` with env:
                    a = {contents= 0}
                    x = 0
                    zero = 0
                    one = 1
                Line 21:
                  (giant-step) execution of unimplemented function `id`
                    x = 0
                  a = {contents= 40}
                  result of `id` = 100
                  Normal execution of function `(<)` with args:
                    _ = 100
                    _ = 100
              Unknown location:
                  Normal execution of function `False` with args:
              File test_result_ce_value2.mlw:
                Line 24:
                  Normal execution of function `contents` with args:
                    arg = {contents= 40}
                  Normal execution of function `(+)` with args:
                    _ = 40
                    _ = 2
                Line 18:
                  Property failure at postcondition of `test3` with:
                    a = {contents= 42}
            - Abstract RAC: FAILURE (postcondition at "bench/check-ce/test_result_ce_value2.mlw", line 18, characters 12-19)
              File int.mlw:
                Line 13:
                  Constant zero initialization
                  zero = 0
                Line 14:
                  Constant one initialization
                  one = 1
              File test_result_ce_value2.mlw:
                Line 3:
                  Constant a initialization
                  (giant-step) execution of unimplemented function with args:
                  result = 0
                  Normal execution of function `ref` with args:
                    contents = 0
                  Normal execution of function `ref'mk` with args:
                    contents = 0
                  a = {contents= 0}
                Line 17:
                  x = 0
                  x = 0
                  Execution of main function `test3` with env:
                    a = {contents= 0}
                    x = 0
                    zero = 0
                    one = 1
                Line 21:
                  Giant-step execution of function `id` with args:
                    x = 0
                  a = {contents= 40}
                  result of `id` = 100
                  Normal execution of function `(<)` with args:
                    _ = 100
                    _ = 100
              Unknown location:
                  Normal execution of function `False` with args:
              File test_result_ce_value2.mlw:
                Line 24:
                  Normal execution of function `contents` with args:
                    arg = {contents= 40}
                  Normal execution of function `(+)` with args:
                    _ = 40
                    _ = 2
                Line 18:
                  Property failure at postcondition of `test3` with:
                    a = {contents= 42}
<check-ce>Check model 1 ("bench/check-ce/test_result_ce_value2.mlw", line 18, characters 12-19)
<check-ce>Checking model:
          File test_result_ce_value2.mlw:
            Line 7:
              x = {"type": "Integer", "val": "0"}
            Line 8:
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "40"}}]}}
            Line 17:
              x = {"type": "Integer", "val": "0"}
            Line 18:
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "42"}}]}}
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "42"}}]}}
            Line 21:
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "40"}}]}}
              result = {"type": "Integer", "val": "100"}
            Line 24:
              a =
                {"type": "Record",
                 "val":
                  {"Field":
                    [{"field": "contents",
                      "value": {"type": "Integer", "val": "42"}}]}}
<check-ce>Giant-step RAC
<rac-values>RHS evaluated for global `zero` at "WHY3DATA/stdlib/int.mlw", line 13, characters 15-19: 0
<rac-values>RHS evaluated for global `one` at "WHY3DATA/stdlib/int.mlw", line 14, characters 15-18: 1
<rac-values>Type default value for return value of call at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 10-15 at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 10-15: 0
<rac-values>RHS evaluated for global `a` at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 8-9: {contents=
                                                                    0}
<rac-values>Value from model for parameter `x` at "bench/check-ce/test_result_ce_value2.mlw", line 17, characters 11-12: 0
<rac-values>Value from model for variable `a` at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9 at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9: {contents=
                                                                    40}
<rac-values>Value from model for return value of call to id at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9 at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9: 100
<check-ce>Normal RAC
<rac-values>RHS evaluated for global `zero` at "WHY3DATA/stdlib/int.mlw", line 13, characters 15-19: 0
<rac-values>RHS evaluated for global `one` at "WHY3DATA/stdlib/int.mlw", line 14, characters 15-18: 1
<rac-values>Type default value for return value of call at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 10-15 at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 10-15: 0
<rac-values>RHS evaluated for global `a` at "bench/check-ce/test_result_ce_value2.mlw", line 3, characters 8-9: {contents=
                                                                    0}
<rac-values>Value from model for parameter `x` at "bench/check-ce/test_result_ce_value2.mlw", line 17, characters 11-12: 0
<rac-values>Value from model for variable `a` at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9 at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9: {contents=
                                                                    40}
<rac-values>Value from model for return value of call to id at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9 at "bench/check-ce/test_result_ce_value2.mlw", line 21, characters 5-9: 100
<check-ce>Result of checking model 1: NC
            - Concrete RAC: FAILURE (postcondition at "bench/check-ce/test_result_ce_value2.mlw", line 18, characters 12-19)
              File int.mlw:
                Line 13:
                  Constant zero initialization
                  zero = 0
                Line 14:
                  Constant one initialization
                  one = 1
              File test_result_ce_value2.mlw:
                Line 3:
                  Constant a initialization
                  (giant-step) execution of unimplemented function with args:
                  result = 0
                  Normal execution of function `ref` with args:
                    contents = 0
                  Normal execution of function `ref'mk` with args:
                    contents = 0
                  a = {contents= 0}
                Line 17:
                  x = 0
                  x = 0
                  Execution of main function `test3` with env:
                    a = {contents= 0}
                    x = 0
                    zero = 0
                    one = 1
                Line 21:
                  (giant-step) execution of unimplemented function `id`
                    x = 0
                  a = {contents= 40}
                  result of `id` = 100
                  Normal execution of function `(<)` with args:
                    _ = 100
                    _ = 100
              Unknown location:
                  Normal execution of function `False` with args:
              File test_result_ce_value2.mlw:
                Line 24:
                  Normal execution of function `contents` with args:
                    arg = {contents= 40}
                  Normal execution of function `(+)` with args:
                    _ = 40
                    _ = 2
                Line 18:
                  Property failure at postcondition of `test3` with:
                    a = {contents= 42}
            - Abstract RAC: FAILURE (postcondition at "bench/check-ce/test_result_ce_value2.mlw", line 18, characters 12-19)
              File int.mlw:
                Line 13:
                  Constant zero initialization
                  zero = 0
                Line 14:
                  Constant one initialization
                  one = 1
              File test_result_ce_value2.mlw:
                Line 3:
                  Constant a initialization
                  (giant-step) execution of unimplemented function with args:
                  result = 0
                  Normal execution of function `ref` with args:
                    contents = 0
                  Normal execution of function `ref'mk` with args:
                    contents = 0
                  a = {contents= 0}
                Line 17:
                  x = 0
                  x = 0
                  Execution of main function `test3` with env:
                    a = {contents= 0}
                    x = 0
                    zero = 0
                    one = 1
                Line 21:
                  Giant-step execution of function `id` with args:
                    x = 0
                  a = {contents= 40}
                  result of `id` = 100
                  Normal execution of function `(<)` with args:
                    _ = 100
                    _ = 100
              Unknown location:
                  Normal execution of function `False` with args:
              File test_result_ce_value2.mlw:
                Line 24:
                  Normal execution of function `contents` with args:
                    arg = {contents= 40}
                  Normal execution of function `(+)` with args:
                    _ = 40
                    _ = 2
                Line 18:
                  Property failure at postcondition of `test3` with:
                    a = {contents= 42}
<check-ce-summary>Results:
- Selected model 0: NC
  - Concrete RAC: FAILURE (postcondition at "bench/check-ce/test_result_ce_value2.mlw", line 18, characters 12-19)
  - Abstract RAC: FAILURE (postcondition at "bench/check-ce/test_result_ce_value2.mlw", line 18, characters 12-19)
- Checked model 1: NC
  - Concrete RAC: FAILURE (postcondition at "bench/check-ce/test_result_ce_value2.mlw", line 18, characters 12-19)
  - Abstract RAC: FAILURE (postcondition at "bench/check-ce/test_result_ce_value2.mlw", line 18, characters 12-19)
File "bench/check-ce/test_result_ce_value2.mlw", line 18, characters 12-19:
Sub-goal Postcondition of goal test3'vc.
Prover result is: Unknown (unknown + incomplete) (0.03s, 6517 steps).
The program does not comply to the verification goal, for example during the
  following execution:
File int.mlw:
  Line 13:
    Constant zero initialization
    zero = 0
  Line 14:
    Constant one initialization
    one = 1
File test_result_ce_value2.mlw:
  Line 3:
    Constant a initialization
    (giant-step) execution of unimplemented function with args:
    result = 0
    Normal execution of function `ref` with args:
      contents = 0
    Normal execution of function `ref'mk` with args:
      contents = 0
    a = {contents= 0}
  Line 17:
    x = 0
    x = 0
    Execution of main function `test3` with env:
      a = {contents= 0}
      x = 0
      zero = 0
      one = 1
  Line 21:
    (giant-step) execution of unimplemented function `id`
      x = 0
    a = {contents= 40}
    result of `id` = 100
    Normal execution of function `(<)` with args:
      _ = 100
      _ = 100
Unknown location:
    Normal execution of function `False` with args:
File test_result_ce_value2.mlw:
  Line 24:
    Normal execution of function `contents` with args:
      arg = {contents= 40}
    Normal execution of function `(+)` with args:
      _ = 40
      _ = 2
  Line 18:
    Property failure at postcondition of `test3` with:
      a = {contents= 42}

