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Fixes UWA polymorphism compability #457

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merged 1 commit into from
Jul 10, 2023
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joe-hauns
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Fixes the issue that UWA sometimes tries to introduce constraints between sorts, which is not allowed, and results in assertion violations.

An example is the following run:

./vampire TPTP-v8.0.0/Problems/LCL/LCL831_5.p --decode lrs+1011_1:1_fd=preordered:fsd=on:sos=on:thsq=on:thsqc=64:thsqd=32:uwa=ground:si=on:rawr=on:rtra=on_100

@MichaelRawson
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@ibnyusuf - can you ack this? If so I'll push merge, seems sensible.

@ibnyusuf
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I am not sure whether this will fix all the polymorphism UWA problems that we are seeing, but it is certainly an improvement on what we had before. So yes, let's get it in.

@MichaelRawson MichaelRawson merged commit 6934763 into master Jul 10, 2023
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@MichaelRawson MichaelRawson deleted the uwa-hol-compat-fix branch July 10, 2023 16:24
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3 participants