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[Frama-c-discuss] multiple behaviors in statement contracts

2014-02-20 16:41 GMT+01:00 Jobredeaux, Romain J <jobredeaux at gatech.edu>:
> Thanks for your reply Virgile,
>
> Indeed the syntax you suggest is valid, however, like you said, it looks like the assumptions and requirements on the nominal behavior, given in the function contract, are not available for the proof of the local contract :/. I am using WP -> Why3 -> PVS. Is that a 'bug'/not-yet-implemented-functionality of WP?
>

Indeed, this feature is not implemented (patches welcome). A crude
work-around would be a small visitor that would propagate all assumes
and requires of behavior nominal into the statement contract under a
big \at(...,Pre). Rather ugly, but probably easier than to dive into
WP's internals.

Best regards,
-- 
E tutto per oggi, a la prossima volta
Virgile