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[Frama-c-discuss] Issues with WP on program doing simple pointer arithmetic
- Subject: [Frama-c-discuss] Issues with WP on program doing simple pointer arithmetic
- From: loic.correnson at cea.fr (Loïc Correnson)
- Date: Wed, 4 Sep 2013 16:22:38 +0200
- In-reply-to: <15358548-77DD-4ED7-B160-25FC7B5618F4@cea.fr>
- References: <CAC3Lx=aO-5GZmk_SOJ1w8=9P=VoXFM0K1Wf7xptVXR1a4YXYwA@mail.gmail.com> <15358548-77DD-4ED7-B160-25FC7B5618F4@cea.fr>
The kind of rephrasing that may work is to use 'frama-c -print' to normalize the source code. L. Le 4 sept. 2013 ? 16:21, Lo?c Correnson <loic.correnson at cea.fr> a ?crit : > Hi, > > It seems that, actually, many proof obligations are missing. > The simple invariant over variable i is easily discharged on simple goals, but the proof obligation for preservation is missing in your case. There is a dangling node in the internal CFG generated by WP for your code, but don't know why ! > > Somebody else reported a simiar problem recently, but I can not figure out what is the origin. > As reported by Dillon, rephrasing the code can help. We are investigating the problem ! > > L. > > Le 4 sept. 2013 ? 15:17, David MENTRE <dmentre at linux-france.org> a ?crit : > >> > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.gforge.inria.fr/pipermail/frama-c-discuss/attachments/20130904/1110ca2f/attachment.html>
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- From: loic.correnson at cea.fr (Loïc Correnson)
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