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[Frama-c-discuss] Problem with Jessie and float division

  • Subject: [Frama-c-discuss] Problem with Jessie and float division
  • From: hollas at (Boris Hollas)
  • Date: Mon, 08 Oct 2012 15:38:16 +0200
  • In-reply-to: <1349689014.2463.38.camel@guillaume-laptop>
  • References: <> <1349689014.2463.38.camel@guillaume-laptop>

On 08.10.2012 11:36, Guillaume Melquiond wrote:
> that make it a problem with jessie and float division? In fact, cvc3,
> z3, and gappa, succeed in proving your program.

Indeed, CVC3 proves the code, even without the lemma, but only if I use 
the why3-backend. However, Z3 runs in a time out.

I don't understand why because Z3 and Simplify generally perform well on 

I haven't installed gappa. I read, but I don't know how to 
install it in a way so that why can use it. In what order do gappa, 
jessie, why3 have to be compiled and installed? Does gappa work with 
why3? Is gappa independent of Frama-C?

Best regards,