Processing command (at Snapshots1.v0.dfy(4,10)) assert {:id "id2"} Lit(false);
  >>> DoNothingToAssert

Dafny program verifier finished with 1 verified, 0 errors
Processing call to procedure N (call postcondition) in implementation M (correctness) (at Snapshots1.v1.dfy(3,4)):
  >>> added after: a##cached##0 := a##cached##0 && false;
Processing command (at Snapshots1.v1.dfy(4,10)) assert {:id "id8"} Lit(false);
  >>> DoNothingToAssert
Snapshots1.v1.dfy(4,9): Error: assertion might not hold

Dafny program verifier finished with 0 verified, 1 error
