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NatTypes.dfy(35,11): Error: value assigned to a nat must be non-negative
Execution trace:
(0,0): anon0
NatTypes.dfy(23,5): anon10_LoopHead
(0,0): anon10_LoopBody
NatTypes.dfy(23,5): anon11_Else
(0,0): anon12_Then
NatTypes.dfy(10,4): Error: value assigned to a nat must be non-negative
Execution trace:
(0,0): anon0
NatTypes.dfy(43,13): Error: assertion violation
Execution trace:
(0,0): anon0
(0,0): anon4_Then
NatTypes.dfy(45,13): Error: assertion violation
Execution trace:
(0,0): anon0
(0,0): anon4_Then
NatTypes.dfy(62,15): Error: assertion violation
Execution trace:
(0,0): anon0
(0,0): anon3_Then
NatTypes.dfy(76,15): Error: assertion violation
Execution trace:
(0,0): anon0
(0,0): anon5_Else
(0,0): anon6_Then
NatTypes.dfy(94,21): Error: value assigned to a nat must be non-negative
Execution trace:
(0,0): anon0
(0,0): anon3_Then
NatTypes.dfy(109,44): Error: value assigned to a nat must be non-negative
Execution trace:
(0,0): anon0
(0,0): anon8_Else
(0,0): anon9_Else
(0,0): anon10_Then
NatTypes.dfy(132,34): Error: value assigned to a nat must be non-negative
Execution trace:
(0,0): anon0
(0,0): anon4_Then
Dafny program verifier finished with 15 verified, 9 errors
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