--- layout: fc_discuss_archives title: Message 18 from Frama-C-discuss on October 2014 ---
On Thu, Oct 23, 2014 at 4:49 PM, Lo?c Correnson <loic.correnson at cea.fr> wrote: > > The more general solution is based on refinement: > one specification for B is concrete and is used for proving properties > inside B : functions assigns the (private) static variables in B. > The second specification for B is abstract, and is used for asserting > Pre-Post for other modules to call functions in B. > In this second spec, functions in B assign dummy (ghost) public variables > that model the internal state of all variables in B. > What is missing in this methodology is a way to make both specifications > consistent with each other. > > Thank you for the explanation. However, I am still a bit lost here. Could you give me a small example of this more general solution using ghost variables? Is it similar to the concrete example (from the documentation) I have shown? George -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.gforge.inria.fr/pipermail/frama-c-discuss/attachments/20141023/d0da036c/attachment.html>