Parallel.dfy(297,21): Error: assertion violation Execution trace: (0,0): anon0 (0,0): anon4_Else Parallel.dfy(34,9): Error BP5002: A precondition for this call might not hold. Parallel.dfy(60,13): Related location: This is the precondition that might not hold. Execution trace: (0,0): anon0 (0,0): anon29_Else (0,0): anon32_Else (0,0): anon33_Then (0,0): anon34_Then (0,0): anon35_Then (0,0): anon14 Parallel.dfy(38,4): Error: target object may be null Execution trace: (0,0): anon0 (0,0): anon29_Else (0,0): anon32_Else (0,0): anon33_Else (0,0): anon36_Then (0,0): anon37_Then (0,0): anon38_Then (0,0): anon20 Parallel.dfy(42,17): Error: possible violation of postcondition of forall statement Execution trace: (0,0): anon0 (0,0): anon29_Else (0,0): anon32_Else (0,0): anon33_Else (0,0): anon36_Else (0,0): anon39_Then (0,0): anon40_Then (0,0): anon26 Parallel.dfy(47,18): Error: assertion violation Execution trace: (0,0): anon0 (0,0): anon29_Else (0,0): anon32_Else (0,0): anon33_Else (0,0): anon36_Else (0,0): anon39_Then (0,0): anon40_Then Parallel.dfy(93,18): Error: assertion violation Execution trace: (0,0): anon0 (0,0): anon10_Else (0,0): anon11_Then Parallel.dfy(99,19): Error: possible violation of postcondition of forall statement Execution trace: (0,0): anon0 (0,0): anon10_Else (0,0): anon11_Then (0,0): anon12_Then Parallel.dfy(122,11): Error: value assigned to a nat must be non-negative Execution trace: (0,0): anon0 (0,0): anon6_Then (0,0): anon7_Then (0,0): anon3 Parallel.dfy(185,11): Error: left-hand sides for different forall-statement bound variables may refer to the same location Execution trace: (0,0): anon0 (0,0): anon19_Then (0,0): anon20_Then (0,0): anon5 Dafny program verifier finished with 43 verified, 9 errors