On 2020-06-18 19:31, Richard W.M. Jones wrote:
> I was trying to run through the tutorial here:
>
>   https://allan-blanchard.fr/publis/frama-c-wp-tutorial-en.pdf
>
> The first example on page 15 & 16 fails with:
>
>   [wp] Running WP plugin...
>   [wp] User Error: Prover 'alt-ergo' not found in why3.conf

You seem to be running a rawhide system.  Things with rawhide may be unstable.
Is there any reason you can't use F32?

Otherwise, you probably would get better assistance on the fedora-test list 
which
is more geared towards rahide (aka F33 at the moment)

>
> I couldn't get any further.  What I tried was:
>
>  - Install both why3 and alt-ergo.  Why aren't they deps of frama-c?
>
>  - Run /usr/lib64/why3/commands/why3config by hand (why isn't it in
>    /usr/bin?), which creates $HOME/.why3.conf
>
>  - stracing the program, it seems like it never attempts to
>    open or run anything to do with alt.*ergo
>
> ~/.why3.conf contains:
>
> ----------------------------------------------------------------------
> [detected_prover]
> exec_name = "alt-ergo"
> version = "2.0.0"
>
> [detected_prover]
> exec_name = "coqtop"
> version = "8.11.2"
>
> [main]
> default_editor = "emacs -nw %f"
> magic = 14
> memlimit = 1000
> running_provers_max = 2
> timelimit = 5
> ----------------------------------------------------------------------
>
> $ rpm -q why3 frama-c alt-ergo coq
> why3-1.3.1-10.fc33.x86_64
> frama-c-21.0-2.fc33.x86_64
> alt-ergo-2.0.0-15.fc33.x86_64
> coq-8.11.2-1.fc33.x86_64
>
> Rich.
>


-- 
The key to getting good answers is to ask good questions.
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