--- layout: fc_discuss_archives title: Message 29 from Frama-C-discuss on September 2013 ---
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[Frama-c-discuss] Issues with WP on program doing simple pointer arithmetic



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 :

> 

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