Frame.dfy(23,15): Error: assertion violation
Execution trace:
    (0,0): anon0
    Frame.dfy(19,12): anon5_Else
    (0,0): anon6_Then
Frame.dfy(37,13): Error: assertion violation
Execution trace:
    (0,0): anon0
    Frame.dfy(33,12): anon3_Else
Frame.dfy(63,22): Error: assertion violation
Execution trace:
    (0,0): anon0
    (0,0): anon13_Then
    Frame.dfy(55,12): anon14_Else
    (0,0): anon15_Then
    (0,0): anon5
Frame.dfy(66,18): Error: insufficient reads clause to read array element
Execution trace:
    (0,0): anon0
    (0,0): anon16_Then
    (0,0): anon17_Then
Frame.dfy(68,27): Error: insufficient reads clause to read array element
Execution trace:
    (0,0): anon0
    (0,0): anon16_Else
    (0,0): anon18_Then
Frame.dfy(123,13): Error: possible violation of function precondition
Execution trace:
    (0,0): anon0
    (0,0): anon5_Then
    (0,0): anon6_Else
Frame.dfy(123,18): Error: assertion violation
Execution trace:
    (0,0): anon0
    (0,0): anon5_Then
    (0,0): anon6_Else

Dafny program verifier finished with 14 verified, 7 errors