Re: [isabelle] Isabelle2016-RC0: cvc4 crashing
CVC4 still crashes regularly with Isabelle2016 on Ubuntu 16.04 LTS.
For some reason it seems to still be useful, though. I believe this
is because (as surmised earlier in this thread) the crashing seems to
occur when Isabelle kills a no-longer-needed CVC4 process, not during
actual useful work.
- Gene Stark
On 10/26/2016 03:30 AM, Jasmin Blanchette wrote:
> Dear Simon,
>> 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.
> Thanks for reminding me of this. I have about 12 unanswered emails on Isabelle Users which I haven't fully processed yet and Eugene's report is probably one of them.
> We will soon recompile CVC4 and other provers. We can then check if the problem has automagically gone away in the past two years of CVC4 development. I must say, I always use the repository version of Isabelle on my Mac, and I used to have many CVC4 zombies lying around (a symptom of the crash, I believe), but in the past N months things have gone quiet, so I'm wondering if something has improved on the Isabelle side.
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