Re: [isabelle] Isabelle2016-RC0: cvc4 crashing

Hi Jasmin,

did you make an attempt to resolve this for the next release?
I just noticed that I find reports of CVC4 crashing on my Mac (running OSX
Sierra now) a few times per day.
I am not sure if I had this before or if this resurfaced with Sierra.



On Tue, Feb 2, 2016 at 3:52 PM Jasmin Blanchette <jasmin.blanchette at>

> Dear Eugene,
> I'm bringing back this to the mailing list, since it might be of general
> interest.
> > On 02.02.2016, at 00:29, Eugene W. Stark <stark at>
> wrote:
> >
> > From memory: no error in Isabelle, just a pop-up "explosion" icon on the
> Ubuntu
> > launcher, indicating that a program has crashed.  I will turn on the
> [verbose]
> > option if you tell me exactly how to do it.  I haven't played very much
> with lots
> > of options and I don't know the syntax for them, mostly.
> I see! Then I think this is something that is potential affecting
> everybody. CVC4 doesn't like being killed. This I have experienced first
> hand, when invoking it from the command line. I will investigate and report
> this to the CVC4 developers.
> I hope you can find a workaround to avoid any distraction from the Ubuntu
> launcher. Otherwise, there's always the option of swapping CVC4 out and Z3
> in...
> Cheers,
> Jasmin

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