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Introduce compositional suspension (SPIN'13)

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* src/tgbaalgos/compsusp.cc, src/tgbaalgos/compsusp.hh: New files.
* src/tgbaalgos/Makefile.am: Add them.
* src/tgbaalgos/sccfilter.cc, src/tgbaalgos/sccfilter.hh: Add option
for suspended labels removal.
* src/tgbatest/ltl2tgba.cc, src/tgbatest/spotlbtt.test: Test it.
This commit is contained in:
Alexandre Duret-Lutz 2013-04-27 10:11:48 +02:00
parent ba6fe9e183
commit 53c6923567
7 changed files with 741 additions and 38 deletions
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19
src/tgbaalgos/sccfilter.hh
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@ -1,5 +1,5 @@
// Copyright (C) 2009, 2010 Laboratoire de Recherche et Developpement
// de l'Epita (LRDE).
// Copyright (C) 2009, 2010, 2012 Laboratoire de Recherche et
// Developpement de l'Epita (LRDE).
//
// This file is part of Spot, a model checking library.
//
@ -23,6 +23,7 @@
namespace spot
{
class scc_map;
/// \brief Prune unaccepting SCCs and remove superfluous acceptance
/// conditions.
@ -45,7 +46,19 @@ namespace spot
/// remove_all_useless is \c false because some algorithms (like the
/// degeneralization) will work better if transitions going to an
/// accepting SCC are accepting.
tgba* scc_filter(const tgba* aut, bool remove_all_useless = false);
///
/// If \a given_sm is supplied, the function will use its result
/// without computing a map of its own.
///
/// If \a susp is different from bddtrue, it should be a conjunction
/// of (positive) variables to be removed from transitions going to
/// non-accepting SCCs. If early_susp is false, the previous
/// variable are also removed from transitions entering an accepting
/// SCC. ignored is a conjunction of positive variables that should
/// be removed everywhere.
tgba* scc_filter(const tgba* aut, bool remove_all_useless = false,
scc_map* given_sm = 0, bdd susp = bddtrue,
bool early_susp = false, bdd ignored = bddtrue);
}