AssumptionVariables0.bpl(17,5): Error BP5001: This assertion might not hold.
Execution trace:
    AssumptionVariables0.bpl(15,8): anon0
AssumptionVariables0.bpl(27,5): Error BP5001: This assertion might not hold.
Execution trace:
    AssumptionVariables0.bpl(25,5): anon0
AssumptionVariables0.bpl(39,5): Error BP5001: This assertion might not hold.
Execution trace:
    AssumptionVariables0.bpl(37,8): anon0

Boogie program verifier finished with 1 verified, 3 errors