(0,0): Error BP5001: This assertion might not hold.
Execution trace:
    bar2.bpl(20,3): anon0
    Inlined call to procedure foo begins
        bar2.bpl(6,3): anon0
        bar2.bpl(7,7): anon3_Then
    Inlined call to procedure foo ends
    Inlined call to procedure foo begins
        bar2.bpl(6,3): anon0
        bar2.bpl(10,7): anon3_Else
    Inlined call to procedure foo ends

Boogie program verifier finished with 0 verified, 1 error