<check-ce>Check model 0 ("bench/check-ce/return_value_below_if_when_vc_sp.mlw", line 7, characters 12-65)
<check-ce>Checking model:
          File return_value_below_if_when_vc_sp.mlw:
            Line 4:
              y = {"type": "Integer", "val": "42"}
            Line 6:
              b = {"type": "Boolean", "val": true}
              y = {"type": "Integer", "val": "42"}
            Line 7:
              b = {"type": "Boolean", "val": true}
              result = {"type": "Boolean", "val": true}
              result = {"type": "Boolean", "val": true}
              y = {"type": "Integer", "val": "42"}
            Line 8:
              result = {"type": "Boolean", "val": true}
              result = {"type": "Boolean", "val": true}
<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>Value from model for parameter `b` at "bench/check-ce/return_value_below_if_when_vc_sp.mlw", line 6, characters 7-8: true
<rac-values>Value from model for parameter `y` at "bench/check-ce/return_value_below_if_when_vc_sp.mlw", line 6, characters 16-17: 42
<rac-values>Value from model for return value of call to bool_neq at "bench/check-ce/return_value_below_if_when_vc_sp.mlw", line 8, characters 21-33 at "bench/check-ce/return_value_below_if_when_vc_sp.mlw", line 8, characters 21-33: true
<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>Value from model for parameter `b` at "bench/check-ce/return_value_below_if_when_vc_sp.mlw", line 6, characters 7-8: true
<rac-values>Value from model for parameter `y` at "bench/check-ce/return_value_below_if_when_vc_sp.mlw", line 6, characters 16-17: 42
<rac-values>Value from model for return value of call to bool_neq at "bench/check-ce/return_value_below_if_when_vc_sp.mlw", line 8, characters 21-33 at "bench/check-ce/return_value_below_if_when_vc_sp.mlw", line 8, characters 21-33: true
<check-ce>Result of checking model 0: NC
            - Concrete RAC: FAILURE (postcondition at "bench/check-ce/return_value_below_if_when_vc_sp.mlw", line 7, characters 12-65)
              File int.mlw:
                Line 13:
                  Constant zero initialization
                  zero = 0
                Line 14:
                  Constant one initialization
                  one = 1
              File return_value_below_if_when_vc_sp.mlw:
                Line 6:
                  b = true
                  y = 42
                  b = true
                  y = 42
                  Execution of main function `f` with env:
                    b = true
                    y = 42
                    zero = 0
                    one = 1
                Line 8:
                  (giant-step) execution of unimplemented function `bool_neq`
                    x = 42
                    y = 0
                  result of `bool_neq` = true
                Line 7:
                  Property failure at postcondition of `f` with:
                    True = UNDEFINED
                    b = true
                    y = 42
                    result = true
            - Abstract RAC: FAILURE (postcondition at "bench/check-ce/return_value_below_if_when_vc_sp.mlw", line 7, characters 12-65)
              File int.mlw:
                Line 13:
                  Constant zero initialization
                  zero = 0
                Line 14:
                  Constant one initialization
                  one = 1
              File return_value_below_if_when_vc_sp.mlw:
                Line 6:
                  b = true
                  y = 42
                  b = true
                  y = 42
                  Execution of main function `f` with env:
                    b = true
                    y = 42
                    zero = 0
                    one = 1
                Line 8:
                  Giant-step execution of function `bool_neq` with args:
                    x = 42
                    y = 0
                  result of `bool_neq` = true
                Line 7:
                  Property failure at postcondition of `f` with:
                    True = UNDEFINED
                    b = true
                    y = 42
                    result = true
<check-ce>Check model 1 ("bench/check-ce/return_value_below_if_when_vc_sp.mlw", line 7, characters 12-65)
<check-ce>Checking model:
          File return_value_below_if_when_vc_sp.mlw:
            Line 4:
              y = {"type": "Integer", "val": "42"}
            Line 6:
              b = {"type": "Boolean", "val": true}
              y = {"type": "Integer", "val": "42"}
            Line 7:
              b = {"type": "Boolean", "val": true}
              result = {"type": "Boolean", "val": true}
              result = {"type": "Boolean", "val": true}
              y = {"type": "Integer", "val": "42"}
            Line 8:
              result = {"type": "Boolean", "val": true}
              result = {"type": "Boolean", "val": true}
<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>Value from model for parameter `b` at "bench/check-ce/return_value_below_if_when_vc_sp.mlw", line 6, characters 7-8: true
<rac-values>Value from model for parameter `y` at "bench/check-ce/return_value_below_if_when_vc_sp.mlw", line 6, characters 16-17: 42
<rac-values>Value from model for return value of call to bool_neq at "bench/check-ce/return_value_below_if_when_vc_sp.mlw", line 8, characters 21-33 at "bench/check-ce/return_value_below_if_when_vc_sp.mlw", line 8, characters 21-33: true
<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>Value from model for parameter `b` at "bench/check-ce/return_value_below_if_when_vc_sp.mlw", line 6, characters 7-8: true
<rac-values>Value from model for parameter `y` at "bench/check-ce/return_value_below_if_when_vc_sp.mlw", line 6, characters 16-17: 42
<rac-values>Value from model for return value of call to bool_neq at "bench/check-ce/return_value_below_if_when_vc_sp.mlw", line 8, characters 21-33 at "bench/check-ce/return_value_below_if_when_vc_sp.mlw", line 8, characters 21-33: true
<check-ce>Result of checking model 1: NC
            - Concrete RAC: FAILURE (postcondition at "bench/check-ce/return_value_below_if_when_vc_sp.mlw", line 7, characters 12-65)
              File int.mlw:
                Line 13:
                  Constant zero initialization
                  zero = 0
                Line 14:
                  Constant one initialization
                  one = 1
              File return_value_below_if_when_vc_sp.mlw:
                Line 6:
                  b = true
                  y = 42
                  b = true
                  y = 42
                  Execution of main function `f` with env:
                    b = true
                    y = 42
                    zero = 0
                    one = 1
                Line 8:
                  (giant-step) execution of unimplemented function `bool_neq`
                    x = 42
                    y = 0
                  result of `bool_neq` = true
                Line 7:
                  Property failure at postcondition of `f` with:
                    True = UNDEFINED
                    b = true
                    y = 42
                    result = true
            - Abstract RAC: FAILURE (postcondition at "bench/check-ce/return_value_below_if_when_vc_sp.mlw", line 7, characters 12-65)
              File int.mlw:
                Line 13:
                  Constant zero initialization
                  zero = 0
                Line 14:
                  Constant one initialization
                  one = 1
              File return_value_below_if_when_vc_sp.mlw:
                Line 6:
                  b = true
                  y = 42
                  b = true
                  y = 42
                  Execution of main function `f` with env:
                    b = true
                    y = 42
                    zero = 0
                    one = 1
                Line 8:
                  Giant-step execution of function `bool_neq` with args:
                    x = 42
                    y = 0
                  result of `bool_neq` = true
                Line 7:
                  Property failure at postcondition of `f` with:
                    True = UNDEFINED
                    b = true
                    y = 42
                    result = true
<check-ce-summary>Results:
- Selected model 0: NC
  - Concrete RAC: FAILURE (postcondition at "bench/check-ce/return_value_below_if_when_vc_sp.mlw", line 7, characters 12-65)
  - Abstract RAC: FAILURE (postcondition at "bench/check-ce/return_value_below_if_when_vc_sp.mlw", line 7, characters 12-65)
- Checked model 1: NC
  - Concrete RAC: FAILURE (postcondition at "bench/check-ce/return_value_below_if_when_vc_sp.mlw", line 7, characters 12-65)
  - Abstract RAC: FAILURE (postcondition at "bench/check-ce/return_value_below_if_when_vc_sp.mlw", line 7, characters 12-65)
File "bench/check-ce/return_value_below_if_when_vc_sp.mlw", line 7, characters 12-65:
Sub-goal Postcondition of goal f'vc.
Prover result is: Unknown (sat) (0.03s, 1808 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 return_value_below_if_when_vc_sp.mlw:
  Line 6:
    b = true
    y = 42
    b = true
    y = 42
    Execution of main function `f` with env:
      b = true
      y = 42
      zero = 0
      one = 1
  Line 8:
    (giant-step) execution of unimplemented function `bool_neq`
      x = 42
      y = 0
    result of `bool_neq` = true
  Line 7:
    Property failure at postcondition of `f` with:
      True = UNDEFINED
      b = true
      y = 42
      result = true

