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[Frama-c-discuss] New Specification Examples

  • Subject: [Frama-c-discuss] New Specification Examples
  • From: yannick.moy at gmail.com (Yannick Moy)
  • Date: Tue Oct 14 15:04:00 2008
  • In-reply-to: <565DBA90B61C4EA99DF27E1709C4E101@AHARDPLACE>
  • References: <41A1C9B7510644ABBFFD7ABB57065E88@AHARDPLACE> <48F47FE2.4080308@inria.fr> <565DBA90B61C4EA99DF27E1709C4E101@AHARDPLACE>
Hi,

I checked your example with the current version of Frama-C, and it is proved
correct. Frama-C sticks to the semantics of C which, contrary to what you
say, returns the number of array elements between [a] and [b] for the
pointer difference [b - a]. Thus, your last example with sizeof is
incorrect.

About sizeof, the Helium release aborts as well. The nest release corrects
this problem by constant folding the value of sizeof expressions.

Cheers
-- 
Yannick
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