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[Frama-c-discuss] Proof conditions with simple pointer assignment

  • Subject: [Frama-c-discuss] Proof conditions with simple pointer assignment
  • From: Pascal.CUOQ at (CUOQ Pascal)
  • Date: Fri, 11 Dec 2009 19:07:34 +0100
  • References: <> <20091211184201.7995f587@is010235>

>> The conditions is not discharged although axiom select_store_eq seems
>> quite sufficient to discharge it. Is integer_of_int32 somehow getting in
>> the way?
>Which prover are you using? alt-ergo 0.9 seems indeed to have some
>difficulties, but Simplify 1.5.4 and z3 2.0 succeed on all obligations.

To complete Virgile's answer, alt-ergo 0.9 has problems with
-jessie-int-model bounded and -jessie-int-model modulo,
and succeeds with -jessie-int-model exact.

I think we can pass this along to alt-ergo developers, it can
probably be considered an interesting example.