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Fix computation of support_conditions in tgba_wdba_comp_proxy.

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* src/tgba/wdbacomp.cc
(tgba_wdba_comp_proxy::compute_support_conditions): Fix.
* src/tgbatest/wdba2.test: Test a formula that used to be wrongly
minimized if translated by LaCIM, because the product of a
tgbabddconcrete automaton with another automaton (done during
WDBA-minimization) use the support conditions to speed things up.
This commit is contained in:
Alexandre Duret-Lutz 2012-06-07 22:34:00 +02:00
parent 03b13891e3
commit d7ff066513
2 changed files with 18 additions and 13 deletions
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21
src/tgba/wdbacomp.cc
View file

@ -1,5 +1,6 @@
// Copyright (C) 2011 Laboratoire de Recherche et Développement de
// l'Epita.
// -*- coding: utf-8 -*-
// Copyright (C) 2011, 2012 Laboratoire de Recherche et Développement
// de l'Epita.
//
// This file is part of Spot, a model checking library.
//
@ -248,18 +249,12 @@ namespace spot
return !the_acceptance_cond_;
}
protected:
virtual bdd
compute_support_conditions(const state* ostate) const
protected:
virtual bdd
compute_support_conditions(const state*) const
{
const state_wdba_comp_proxy* s =
down_cast<const state_wdba_comp_proxy*>(ostate);
assert(s);
const state* rs = s->real_state();
if (rs)
return a_->support_conditions(rs);
else
return bddtrue;
// The automaton is complete, so we always support all variables.
return bddtrue;
}
virtual bdd compute_support_variables(const state* ostate) const