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Slowdown of the arrays encoding in the presence of set union and set membership #1737

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rodrigo7491 opened this issue May 11, 2022 · 0 comments · Fixed by #1763
Closed

Slowdown of the arrays encoding in the presence of set union and set membership #1737

rodrigo7491 opened this issue May 11, 2022 · 0 comments · Fixed by #1763
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Farrays Feature: New SMT encoding with arrays
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X1: Arrays Encoding

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Description

During work on #1725 it was observed that the PickPerf spec was substantially slower to verify with the arrays encoding. It contains mainly two operators, set union and set membership, thus we should investigate if potential optimizations can be made to how these are encoded.

Input specification

PickPerf.tla

The command line parameters used to run the tool

--discard-disabled=0 --tuning-options=search.invariant.mode=after --smt-encoding=arrays PickPerf.tla
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Farrays Feature: New SMT encoding with arrays
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X1: Arrays Encoding
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Optimize basic set membership in the arrays encoding apalache-mc/apalache
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