Re: [isabelle] z3 on a mac
>> Not sure this is the right place. That web page is only for Mac users, whereas the problem you describe is platform-agnostic. Normally (i.e. with Isabelle2011 or better), if you neglect to set "Z3_NON_COMMERCIAL" to "yes", you will get an error when using the "smt" method or Sledgehammer:
>> The SMT solver Z3 is not activated. To activate it, set the environment variable Z3_NON_COMMERCIAL to "yes".
>> Didn't you get such a message?
> I did not get this error message anywhere obvious. I'm an isabelle
> noob, so perhaps it was somewhere I wasn't looking? I just got an
> error related to Z3 remote, but not an indication what to change.
Indeed -- I can reproduce this. Isabelle2011 was released at a point where the Sledgehammer/SMT business was a bit flaky, unfortunately. More precisely, some changes were done to the integration of off-the-shelf solvers in January, and Sledgehammer was not tested against these. With the repository version of Isabelle (or the next release), you would get the aforementioned message.
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