--- layout: fc_discuss_archives title: Message 51 from Frama-C-discuss on December 2009 ---
OK, I see now your problem. Thanks for the report. - Claude Hollas Boris (CR/AEY1) wrote: >> Sorry for the dumb answer: with which values of x and y do not you >> think there is an overflow ? >> > > >> I don't even understand what arithmetic overflow may mean for xor. >> > > Jesse generates VC for arithmetic overflow and can't prove them. You are right that with bitwise operations, no overflow can occur. Still Jessie tries to verify sth and fails. Hence, I don't get green bullets for this code. > > I filed bug report http://bts.frama-c.com/view.php?id=348 on this. > > -Boris > > _______________________________________________ > Frama-c-discuss mailing list > Frama-c-discuss at lists.gforge.inria.fr > http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/frama-c-discuss > -- Claude March? | tel: +33 1 72 92 59 69 INRIA Saclay - ?le-de-France | mobile: +33 6 33 14 57 93 Parc Orsay Universit? | fax: +33 1 74 85 42 29 4, rue Jacques Monod - B?timent N | http://www.lri.fr/~marche/ F-91893 ORSAY Cedex |