Processing command (at Snapshots29.v0.bpl(14,5)) assert i == 0;
  >>> DoNothingToAssert

Boogie program verifier finished with 1 verified, 0 errors
Processing command (at Snapshots29.v1.bpl(14,5)) assert i == 0;
  >>> DoNothingToAssert
Snapshots29.v1.bpl(14,5): Error BP5001: This assertion might not hold.

Boogie program verifier finished with 0 verified, 1 error