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SAW fails silently #1166
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Current master definitely spends more than 10 seconds doing something. Do you remember which nightly you were using when you saw this behavior? |
It was the nightly from 17 days ago. |
OK, I'll check out what's going on with the nightly. In the meantime, that panic looks like an assumptions mismatch between the What4 |
I'm not able to reproduce the silent failure behavior using nightlies from around that time. Maybe the process was hitting a memory limit? |
Adding a
So this is the root cause of the problem. I'll have a closer look to see if I can figure out where the type error originates. |
It looks like an inconsistency in how Cryptol tuple types are encoded in saw-core. We probably have a few functions that assume a different encoding, and now things don't match. I'll try to track it down. |
saw
nightly fails silently after about 10 seconds. An earlier version 0.7 (670e349) does not fail, but rather sits doing something for a about 6 minutes and then says:swapping to
offline_unint_smtlib2
also fails quickly with the nightly, and spins much longer than I waited in the older version ofsaw
All details are in the attached tarball -
silent_bug.tar.gz
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