[klee-dev] How to remove the current state from states?

[Alberto Barbaro]

Hi Frank,
Thanks for your email I've seen that the BaseSearcher has 2 utility
functions for adding and removing a state. Since I'm working on a searcher,
if I don't add the states in added states() into states() it'd be like
remove them isn't it?

Thanks

On Mon, Oct 29, 2018, 11:57 Frank Busse <f.busse at imperial.ac.uk> wrote:

> Hi Alberto,
>
>
> On Fri, 26 Oct 2018 13:41:45 +0100
> Alberto Barbaro <barbaro.alberto at gmail.com> wrote:
>
> > I'm on a searcher and I would like to remove the current state from
> states.
> > Should I added it to removedStates or do something else? Can I have the
> > example one line code if not too much?
>
> to gracefully shut down a state in Executor you have to call one
> of the terminate functions and afterwards call updateStates() to notify
> the searchers. The resp. state is added to removedStates automatically
> in terminateState() and removedStates is only used to forward the
> information to the searchers. Currently there is no clean way to
> terminate a state in a searcher (we discussed that internally a while
> ago). What you could do is:
>
> - initialise your searcher with a reference to the executor or
> - mark the state (or return tuple in select() etc.) and adapt the main
>   interpreter loop (select/delete until un-marked state found)
>
> The 2nd option is less error-prone.
>
>
> Kind regards,
>
> Frank
>
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