a7bfb42de7
* src/bin/ltlfilt.cc: Add options --remove-x and --stutter-invariant. * src/ltlvisit/remove_x.cc, src/ltlvisit/remove_x.hh: New files. * src/ltlvisit/Makefile.am: Add them. * src/ltltest/remove_x.test: New file. * src/ltltest/Makefile.am: Add it. * NEWS: Mention the new algorithms.
70 lines
2.4 KiB
C++
70 lines
2.4 KiB
C++
// Copyright (C) 2013 Laboratoire de Recherche et Developpement de
|
|
// l'Epita (LRDE).
|
|
//
|
|
// This file is part of Spot, a model checking library.
|
|
//
|
|
// Spot is free software; you can redistribute it and/or modify it
|
|
// under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation; either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// Spot is distributed in the hope that it will be useful, but WITHOUT
|
|
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
|
|
// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
|
|
// License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
#ifndef SPOT_LTLVISIT_REMOVE_X_HH
|
|
# define SPOT_LTLVISIT_REMOVE_X_HH
|
|
|
|
namespace spot
|
|
{
|
|
namespace ltl
|
|
{
|
|
class formula;
|
|
|
|
/// \brief Rewrite a stutter-insensitive formula \a f without
|
|
/// using the X operator.
|
|
///
|
|
/// This function may also be applied to stutter-sensitive formulas,
|
|
/// but in that case the resulting formula is not equivalent.
|
|
///
|
|
/// \verbatim
|
|
/// @Article{ etessami.00.ipl,
|
|
/// author = {Kousha Etessami},
|
|
/// title = {A note on a question of {P}eled and {W}ilke regarding
|
|
/// stutter-invariant {LTL}},
|
|
/// journal = {Information Processing Letters},
|
|
/// volume = {75},
|
|
/// number = {6},
|
|
/// year = {2000},
|
|
/// pages = {261--263}
|
|
/// }
|
|
/// \endverbatim
|
|
const formula* remove_x(const formula* f);
|
|
|
|
/// \brief Whether an LTL formula \a f is stutter-insensitive.
|
|
///
|
|
/// This is simply achieved by checking whether the output of
|
|
/// <code>remove_x(f)</code> is equivalent to \a f. This only
|
|
/// works for LTL formulas, not PSL formulas.
|
|
///
|
|
/// \verbatim
|
|
/// @Article{ etessami.00.ipl,
|
|
/// author = {Kousha Etessami},
|
|
/// title = {A note on a question of {P}eled and {W}ilke regarding
|
|
/// stutter-invariant {LTL}},
|
|
/// journal = {Information Processing Letters},
|
|
/// volume = {75},
|
|
/// number = {6},
|
|
/// year = {2000},
|
|
/// pages = {261--263}
|
|
/// }
|
|
/// \endverbatim
|
|
bool is_stutter_insensitive(const formula* f);
|
|
}
|
|
}
|
|
|
|
#endif // SPOT_LTLVISIT_ETESSAMI00_HH
|