Processing command (at Snapshots0.v0.dfy(3,6)) assert (forall<alpha> $o: ref, $f: Field alpha :: false ==> $_Frame[$o, $f]);
  >>> DoNothingToAssert
Processing command (at Snapshots0.v0.dfy(4,10)) assert false;
  >>> DoNothingToAssert

Dafny program verifier finished with 1 verified, 0 errors
Processing call to procedure Call$$_module.__default.bar in implementation Impl$$_module.__default.foo (at Snapshots0.v1.dfy(3,6)):
  >>> added axiom: (forall call0old#AT#$Heap: Heap, $Heap: Heap :: {:weight 30} { ##extracted_function##1(call0old#AT#$Heap, $Heap) } ##extracted_function##1(call0old#AT#$Heap, $Heap) == (true && Lit(false) && (forall<alpha> $o: ref, $f: Field alpha :: { read($Heap, $o, $f) } $o != null && read(call0old#AT#$Heap, $o, alloc) ==> read($Heap, $o, $f) == read(call0old#AT#$Heap, $o, $f)) && $HeapSucc(call0old#AT#$Heap, $Heap)))
  >>> added after: a##cached##0 := a##cached##0 && ##extracted_function##1(call0old#AT#$Heap, $Heap);
Processing command (at Snapshots0.v1.dfy(3,6)) assert (forall<alpha> $o: ref, $f: Field alpha :: false ==> $_Frame[$o, $f]);
  >>> MarkAsFullyVerified
Processing command (at <unknown location>) a##cached##0 := a##cached##0 && ##extracted_function##1(call0old#AT#$Heap, $Heap);
  >>> AssumeNegationOfAssumptionVariable
Processing command (at Snapshots0.v1.dfy(4,10)) assert false;
  >>> MarkAsPartiallyVerified
Snapshots0.v1.dfy(4,9): Error: assertion violation
Execution trace:
    (0,0): anon0

Dafny program verifier finished with 0 verified, 1 error
