Bug145.dfy(11,24): Error: array size (dimension 0) might be negative
Execution trace:
    (0,0): anon0
Bug145.dfy(24,11): Error: assertion violation
Execution trace:
    (0,0): anon0
    (0,0): anon21_Else
    Bug145.dfy(16,5): anon25_LoopHead
    (0,0): anon25_LoopBody
    Bug145.dfy(16,5): anon26_Else
    (0,0): anon27_Then

Dafny program verifier finished with 1 verified, 2 errors
