On Mon, 30 May 2011, Andreas Lochbihler wrote:

This fix solves the problem with the exception. I tried it with 574613b47583. Can you add it to the repository as I do not have wirte access to that.

Thanks,
Andreas

Lawrence Paulson schrieb:
Thank you for looking there! This is the most plausible culprit. But it is strange that this problem has arisen before.

A possible fix is to replace the last line of the function timing_depth_tac in that file as follows:

  handle PROVE => Seq.empty | THM _ => Seq.empty;

Andreas, do you want to try this and see if it helps?

Did anybody actually understand the source of the problem? The changelog of c46107e6714b claims a "fix" without any explanation what was broken. A spurious THM exception could have a quite unexpected cause.


        Makarius
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