MultiDimArray.dfy(56,20): Error: assertion violation
Execution trace:
    (0,0): anon0
    (0,0): anon11_Then
    (0,0): anon12_Then
MultiDimArray.dfy(83,24): Error: assertion violation
Execution trace:
    (0,0): anon0
    (0,0): anon5_Then
    (0,0): anon6_Then

Dafny program verifier finished with 8 verified, 2 errors