--- layout: fc_discuss_archives title: Message 80 from Frama-C-discuss on October 2013 ---
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[Frama-c-discuss] Array problem - Jessie plugin



Hi! You can use pragma to ask Jessie interpret floats as unbounded reals
# pragma JessieFloatModel(math)

After that Alt-Ergo discharges all VCs succesfully.


Eugene


On 21 October 2013 16:03, Luciana Burgareli <luciana.burgareli at gmail.com>wrote:

> Hi,
>
> This is a very simple example, but it was not proved.
>
> If we slightly modify the code and we add an assignment to the Ang2[1]
> (and the related assigns and ensures clauses), both the ensures clauses are
> proved.
>
> Why is not the attached example proved?
>
> How to solve this problem?
>
> We are using the Jessie Plugin, Why3 Verification Platform 0.81,
> Fluorine-20130601 and the provers Alt-Ergo 0.95.2, CVC3 2.4.1, Gappa 1.0.0
> and Z3 4.3.2.
>
>
> Luciana
>
>
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