On Tue, 3 Apr 2012, Florian Haftmann wrote:
Am 02.04.2012 13:36, schrieb Florian Haftmann:
/mnt/home/isatest/isadist/Isabelle_02-Apr-2012/lib/scripts/run-polyml:
line 77: 27590 Killed "$POLY" -q $ML_OPTIONS
*** Code check failed for SML: "$ISABELLE_PROCESS" -r -q -u Pure
*** At command "export_code" (line 17 of
"~~/src/HOL/Codegenerator_Test/Generate.thy")
Does anybody understand this failure of isatest? The process is
terminated after many hours.
I've tried to reproduce it by hand, loading
Codegenerator_Test/Generate.thy into HOL-Library. It works for
polyml-5.4.1_x86_64-darwin and polyml-5.4.1_x86-darwin, but
polyml-5.3.0_x86-darwin does not seem to terminate.
This could indicate a non-termination issue in the polyml compiler (not
runtime!) which has been resolved in the meantime.
It could be the same issue as has already been discovered by Andreas,
but I am not able to recall the details (minimal example, polyml
versions etc.).
There are various known deficiencies with the variety of Poly/ML versions
that we support officially -- David Matthews is continously improving the
situation. One needs to try minimizing the pressure on old versions to
keep things running, without forced discontinuation of a version without
really strong reasons.
In Isabelle/344712917580 I have tweaked isatest again, and for the moment
it looks like the failure does not happen in this configuration.
Makarius
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