------------------------------ CodeExpr0.bpl ---------------------
CodeExpr0.bpl(15,3): Error BP5001: This assertion might not hold.
Execution trace:
        CodeExpr0.bpl(15,3): anon0
CodeExpr0.bpl(20,3): Error BP5001: This assertion might not hold.
Execution trace:
        CodeExpr0.bpl(20,3): anon0
CodeExpr0.bpl(52,3): Error BP5001: This assertion might not hold.
Execution trace:
        CodeExpr0.bpl(52,3): anon0

Boogie program verifier finished with 3 verified, 3 errors

------------------------------ CodeExpr1.bpl ---------------------
CodeExpr1.bpl(44,5): Error BP5003: A postcondition might not hold on this return path.
CodeExpr1.bpl(40,3): Related location: This is the postcondition that might not hold.
Execution trace:
        CodeExpr1.bpl(42,3): start
CodeExpr1.bpl(52,5): Error BP5001: This assertion might not hold.
Execution trace:
        CodeExpr1.bpl(49,3): start
CodeExpr1.bpl(66,5): Error BP5001: This assertion might not hold.
Execution trace:
        CodeExpr1.bpl(57,3): start

Boogie program verifier finished with 3 verified, 3 errors

------------------------------ CodeExpr2.bpl ---------------------

Boogie program verifier finished with 6 verified, 0 errors