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translator: add tls-max-states option

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This restricts the time spent in translating sub-formulas for
implication tests by limiting the associated automata to 64 states by
default.  Doing so this does worsen any test case, and actually remove
all calls the BuDDy's GC in bdd.test.

* spot/twaalgos/translate.cc, spot/twaalgos/translate.hh,
spot/tl/simplify.cc, spot/tl/simplify.hh, spot/tl/contain.hh,
spot/tl/contain.cc, spot/twaalgos/ltl2tgba_fm.cc,
spot/twaalgos/ltl2tgba_fm.hh: Add support for the option or
its constraint via an output_aborter.
* bin/spot-x.cc, NEWS: Document it.
* tests/core/bdd.test: Adjust and augment test case.
This commit is contained in:
Alexandre Duret-Lutz 2020-09-17 20:49:23 +02:00
parent 9d7e6386e4
commit f5965966e9
11 changed files with 66 additions and 11 deletions
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bin/spot-x.cc
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@ -44,6 +44,9 @@ static const argp_option options[] =
(2) additionally allows automata-based implication checks, (3) enables \
more rules based on automata-based implication checks. The default value \
depends on the --low, --medium, or --high settings.") },
{ DOC("tls-max-states",
"Maximum number of states of automata involved in automata-based \
implication checks for formula simplifications. Defaults to 64.") },
{ nullptr, 0, nullptr, 0, "Translation options:", 0 },
{ DOC("ltl-split", "Set to 0 to disable the translation of automata \
as product or sum of subformulas.") },