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twa: store property bits as trivals

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* spot/twa/twa.hh: Store property bits as trivals.
* NEWS: Mention the change.
* spot/parseaut/parseaut.yy, spot/twaalgos/are_isomorphic.cc,
spot/twaalgos/complete.cc, spot/twaalgos/dot.cc, spot/twaalgos/hoa.cc,
spot/twaalgos/isdet.cc, spot/twaalgos/isunamb.cc, spot/twaalgos/lbtt.cc,
spot/twaalgos/ltl2tgba_fm.cc, spot/twaalgos/postproc.cc,
spot/twaalgos/remfin.cc, spot/twaalgos/strength.cc,
spot/twaalgos/stutter.cc, spot/twaalgos/stutter.hh,
spot/twaalgos/totgba.cc, tests/core/ikwiad.cc,
tests/python/product.ipynb, tests/python/remfin.py: Adjust.
* doc/org/hoa.org, doc/org/tut21.org: Update documentation.
This commit is contained in:
Alexandre Duret-Lutz 2016-01-12 19:37:18 +01:00
parent 1aeb260adf
commit da391492f3
22 changed files with 337 additions and 258 deletions
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31
spot/twaalgos/stutter.cc
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@ -1,6 +1,6 @@
// -*- coding: utf-8 -*-
// Copyright (C) 2014, 2015 Laboratoire de Recherche
// et Développement de l'Epita (LRDE).
// Copyright (C) 2014, 2015, 2016 Laboratoire de Recherche et
// Développement de l'Epita (LRDE).
//
// This file is part of Spot, a model checking library.
//
@ -410,10 +410,10 @@ namespace spot
}
if (num_states != a->num_states())
a->prop_keep({true, // state_based
false, // inherently_weak
false, // deterministic
false, // stutter inv.
});
false, // inherently_weak
false, // deterministic
false, // stutter inv.
});
a->merge_edges();
return a;
}
@ -430,10 +430,10 @@ namespace spot
closure(twa_graph_ptr&& a)
{
a->prop_keep({false, // state_based
false, // inherently_weak
false, // deterministic
false, // stutter inv.
});
false, // inherently_weak
false, // deterministic
false, // stutter inv.
});
unsigned n = a->num_states();
std::vector<unsigned> todo;
@ -612,12 +612,12 @@ namespace spot
}
}
bool
trival
check_stutter_invariance(const twa_graph_ptr& aut, formula f)
{
bool is_stut = aut->prop_stutter_invariant();
if (is_stut)
return is_stut;
trival is_stut = aut->prop_stutter_invariant();
if (is_stut.is_known())
return is_stut.is_true();
twa_graph_ptr neg = nullptr;
if (f)
@ -630,14 +630,13 @@ namespace spot
// know how to complement it.
aut->prop_deterministic(is_deterministic(aut));
if (!aut->prop_deterministic())
return false;
return trival::maybe();
neg = remove_fin(dtwa_complement(aut));
}
is_stut = is_stutter_invariant(make_twa_graph(aut, twa::prop_set::all()),
std::move(neg), aut->ap_var());
aut->prop_stutter_invariant(is_stut);
aut->prop_stutter_sensitive(!is_stut);
return is_stut;
}
}