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translate, simplify: limit containment checks of n-ary operators

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Fixes #521.

* spot/tl/simplify.cc, spot/tl/simplify.hh,
spot/twaalgos/translate.cc, spot/twaalgos/translate.hh: Add an option
to limit automata-based implication checks of n-ary operators when too
many operands are used.  Defaults to 16.
* bin/spot-x.cc, NEWS, doc/tl/tl.tex: Document it.
* tests/core/bdd.test: Disable the limit for this test.
This commit is contained in:
Alexandre Duret-Lutz 2022-11-15 17:27:10 +01:00
parent f2c65ea557
commit 843c4cdb91
8 changed files with 33 additions and 11 deletions
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5
NEWS
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@ -6,6 +6,11 @@ New in spot 2.11.2.dev (not yet released)
slower than necessary because the translator was configured to
favor determinism unnecessarily. (Issue #521.)
- Automata-based implication checks for f&g and f|g could be
very slow when those n-ary operator had two many arguments.
They have been limited to 16 operands, but this value can be changed
with option -x tls-max-ops=N. (Issue #521 too.)
New in spot 2.11.2 (2022-10-26)
Command-line tools: