Orderings3.bpl(35,3): Error BP5001: This assertion might not hold.
Execution trace:
    Orderings3.bpl(21,3): anon0
Orderings3.bpl(40,3): Error BP5001: This assertion might not hold.
Execution trace:
    Orderings3.bpl(40,3): anon0
Orderings3.bpl(42,3): Error BP5001: This assertion might not hold.
Execution trace:
    Orderings3.bpl(40,3): anon0

Boogie program verifier finished with 0 verified, 3 errors