Verification of cell-defaults.chalice using parameters="-defaults -autoFold -autoMagic" 

  97.5: The heap of the callee might not be strictly smaller than the heap of the caller.
  103.5: The heap of the callee might not be strictly smaller than the heap of the caller.
  132.5: Assertion might not hold. Insufficient fraction at 132.12 for Cell.valid.

The program did not fully verify; the smoke warnings might be misleading if contradictions are introduced by failing proof attempts of the verification.
  125.3: The end of method main2 is unreachable.

Boogie program verifier finished with 3 errors and 1 smoke test warnings.