Weakest Precondition
File "bench/ce/let_constant.mlw", line 9, characters 13-24:
Sub-goal Assertion of goal dummy'vc.
Prover result is: Unknown (sat)
The following counterexample model has not been verified
  (not checking CE model, missing option --check-ce):
File let_constant.mlw:
  Line 7:
    T [@id:unused] [@introduced] [@model_trace:T] =
      {"type": "Integer", "val": "25"}
  Line 8:
    b [@id:unused] [@introduced] [@model_trace:b] =
      {"type": "Integer", "val": "65"}

