Real.bpl(32,5): Error BP5001: This assertion might not hold.
Execution trace:
    Real.bpl(29,5): anon0
    Real.bpl(32,5): anon3_Then
Real.bpl(47,5): Error BP5001: This assertion might not hold.
Execution trace:
    Real.bpl(40,3): anon0
    Real.bpl(47,5): anon3_Else

Boogie program verifier finished with 2 verified, 2 errors