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postproc: add a SBAcc option

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Producing state-based acceptance is now part of the postprocessing
routines.  That means we can more easily simplify automata with
state-based acceptance (using autfilt -S --small --high, for instance)
and as as side-effect, ltl2tgba can produce GBA.  However the result of
ltl2tgba -S is often larger than that of ltl2tgba -B.

* src/twaalgos/postproc.cc, src/twaalgos/postproc.hh: Implement
the SBAcc option.
* src/bin/common_post.cc, src/bin/common_post.hh: Implement -S.
* src/bin/autfilt.cc, src/bin/dstar2tgba.cc, src/bin/ltl2tgba.cc,
src/bin/ltl2tgta.cc, src/bin/ltldo.cc: Adjust.
* src/tests/sim3.test: Augment test case.
* NEWS, doc/org/ltl2tgba.org, doc/org/autfilt.org: Document it -S.
This commit is contained in:
Alexandre Duret-Lutz 2015-05-14 20:04:50 +02:00
parent dd87bdf868
commit 0786e068ae
13 changed files with 181 additions and 42 deletions
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6
NEWS
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@ -80,6 +80,12 @@ New in spot 1.99b (not yet released)
accepting run (but there might be several ways to reject a
word). This works for LTL and PSL formulas.
- ltl2tgba has a new option, -S to produce generalized-Büchi
automata with state-based acceptance. Those are obtained by
converting some transition-based GBA into a state-based GBA, so
they are usually not as small as one would wish. The same
option -S is also supported by autfilt.
- ltlcross will work with translator producing automata with any
acceptance condition, provided the output is in the HOA format.
So it can effectively be used to validate tools producing Rabin