Simple.dfy(14,10): Error: possible division by zero Execution trace: (0,0): anon0 (0,0): anon5_Else (0,0): anon6_Then Simple.dfy(27,10): Error: possible division by zero Execution trace: (0,0): anon0 (0,0): anon5_Else (0,0): anon6_Then Simple.dfy(37,9): Error: possible violation of function precondition Execution trace: (0,0): anon0 Simple.dfy(35,13): anon5_Else Simple.dfy(49,9): Error: possible violation of function precondition Execution trace: (0,0): anon0 (0,0): anon3_Then (0,0): anon2 Simple.dfy(61,10): Error: possible violation of function precondition Execution trace: (0,0): anon0 Simple.dfy(61,18): Error: assertion violation Execution trace: (0,0): anon0 Simple.dfy(73,10): Error: assertion violation Execution trace: (0,0): anon0 Simple.dfy(72,38): anon5_Else Simple.dfy(73,38): anon6_Else Dafny program verifier finished with 14 verified, 7 errors