Predicates.dfy[B](21,4): Error BP5003: A postcondition might not hold on this return path.
Predicates.dfy[B](20,14): Related location: This is the postcondition that might not hold.
Predicates.dfy(31,8): Related location
Execution trace:
    (0,0): anon0
Predicates.dfy(88,15): Error: assertion violation
Execution trace:
    (0,0): anon0
Predicates.dfy(92,13): Error: assertion violation
Execution trace:
    (0,0): anon0
Predicates.dfy[Tricky_Full](126,4): Error BP5003: A postcondition might not hold on this return path.
Predicates.dfy[Tricky_Full](125,14): Related location: This is the postcondition that might not hold.
Predicates.dfy(136,6): Related location
Predicates.dfy[Tricky_Full](116,8): Related location
Execution trace:
    (0,0): anon0
Predicates.dfy(164,4): Error BP5003: A postcondition might not hold on this return path.
Predicates.dfy(163,14): Related location: This is the postcondition that might not hold.
Predicates.dfy(163,42): Related location
Execution trace:
    (0,0): anon0
Predicates.dfy[Q1](154,4): Error BP5003: A postcondition might not hold on this return path.
Predicates.dfy[Q1](153,14): Related location: This is the postcondition that might not hold.
Predicates.dfy[Q1](153,45): Related location
Execution trace:
    (0,0): anon0

Dafny program verifier finished with 52 verified, 6 errors