Thanks for the detailed answers.
The situation is much clearer now.
Best,
Delphine
> On 8 Mar 2018, at 10:08, Claude Marché wrote:
>
>
> By the way, I'd like to say that using provers to establish assertions
> like these:
>
> Le 05/03/2018 à 11:43, Sandrine Blazy a
Le 05/03/2018 à 11:43, Sandrine Blazy a écrit :
None of my provers (Alt-Ergo, cvc3, cvc4, Eprover, Z3) is able to prove
any of these 3 assertions. However, if I choose the "get
counter-example" option in the preference window, then cvc4 manages to
prove this test program.
Does it mean that
Hi,
I just tried to understand what's happening with this example:
- I noticed that only CVC4 1.4 proves the example with "get
counter-example" option. Version 1.5 does not.
- I used the bisect capability of Why3 to generate a smaller VC
that is proved with CVC4-1.4 + "get