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[Frama-c-discuss] combining value analysis and deductive verification by jessie

  • Subject: [Frama-c-discuss] combining value analysis and deductive verification by jessie
  • From: stephane.duprat at atosorigin.com (Stéphane Duprat)
  • Date: Wed Aug 20 23:37:16 2008
Hi,

Adding assert annotations could be helpfull to refine value analysis.
But if the assertion could not be verified during the value analysis, we
have a message that indicates "Assertion got status unknown".

So, I feel the need to verify that assertion to have a more complete
verification...
Thanks to jessie plugin, and by means of other annotations, I succeed in
proving all these annotations.

This is a good collaboration of the different plugins.

But theses operations have been made in 2 independent steps that are
value analysis and proof with jessie.
I tried to use frama-c with the two plugins activated with a cmd like
that :
frama-c-gui -val -lib-entry  -jessie-analysis -jessie-gui -jessie-int-model exact exemple.c
but I don't find in messages of the value analysis the status of
annotations resulting from jessie analysis.
Is it possible ?
If not, do you think it's conceivable ?

small exemple in attached file

regards,

St?phane Duprat


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