a85045091b
* spot/twaalgos/alternation.cc, spot/twaalgos/alternation.hh, spot/twaalgos/complement.cc, spot/twaalgos/complement.hh, spot/twaalgos/determinize.cc, spot/twaalgos/determinize.hh, spot/twaalgos/minimize.cc, spot/twaalgos/minimize.hh, spot/twaalgos/postproc.cc, spot/twaalgos/postproc.hh, spot/twaalgos/powerset.cc, spot/twaalgos/powerset.hh, spot/twaalgos/product.cc, spot/twaalgos/product.hh: Use an output_aborter argument to abort if the output is too large. * bin/ltlcross.cc: Use complement() with an output_aborter so that ltlcross will not attempt to build complement larger than 500 states or 5000 edges. Add --determinize-max-states and --determinize-max-edges options. * tests/core/ltlcross3.test, tests/core/ltlcrossce2.test, tests/core/sccsimpl.test, tests/core/wdba2.test, tests/python/stutter-inv.ipynb: Adjust test cases. * NEWS: Document this. * bin/spot-x.cc: Add documentation for postprocessor's det-max-states and det-max-edges arguments. * doc/org/ltlcross.org: Update description.
82 lines
3 KiB
C++
82 lines
3 KiB
C++
// -*- coding: utf-8 -*-
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// Copyright (C) 2013-2015, 2017, 2019 Laboratoire de Recherche et
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// Développement de l'Epita.
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//
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// This file is part of Spot, a model checking library.
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//
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// Spot is free software; you can redistribute it and/or modify it
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// under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 3 of the License, or
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// (at your option) any later version.
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//
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// Spot is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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// License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#pragma once
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#include <spot/twa/twagraph.hh>
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#include <spot/twaalgos/powerset.hh>
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namespace spot
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{
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/// \brief Complement a deterministic TωA
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///
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/// The automaton \a aut should be deterministic. It will be
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/// completed if it isn't already. In these conditions,
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/// complementing the automaton can be done by just complementing
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/// the acceptance condition.
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///
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/// In particular, this implies that an input that use
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/// generalized Büchi will be output as generalized co-Büchi.
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///
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/// Functions like to_generalized_buchi() or remove_fin() are
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/// frequently called after dtwa_complement() to obtain an easier
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/// acceptance condition (maybe at the cost of losing determinism.)
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///
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/// This function was deprecated in spot 2.4. Call the function
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/// spot::dualize() instead, that is able to complement any input
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/// automaton, not only deterministic ones.
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SPOT_DEPRECATED("use spot::dualize() instead")
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SPOT_API twa_graph_ptr
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dtwa_complement(const const_twa_graph_ptr& aut);
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/// \brief Complement a semideterministic TωA
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///
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/// The automaton \a aut should be semideterministic.
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///
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/// Uses the NCSB algorithm described by F. Blahoudek, M. Heizmann,
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/// S. Schewe, J. Strejček, and MH. Tsai (TACAS'16).
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SPOT_API twa_graph_ptr
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complement_semidet(const const_twa_graph_ptr& aut, bool show_names = false);
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/// \brief Complement a TωA
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///
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/// This employs different complementation strategies depending
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/// on the type of the automaton.
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///
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/// If the input is alternating, the output may be alternating and
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/// is simply the result of calling dualize().
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///
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/// If the input is not alternating, the output will not be
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/// alternating, but could have any acceptance condition.
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/// - deterministic inputs are passed to dualize()
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/// - very weak automata are also dualized, and then
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/// passed to remove_alternation() to obtain a TGBA
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/// - any other type of input is determized before
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/// complementation.
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///
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/// If an output_aborter is supplied, it is used to
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/// abort the construction of larger automata.
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///
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/// complement_semidet() is not yet used.
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SPOT_API twa_graph_ptr
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complement(const const_twa_graph_ptr& aut,
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const output_aborter* aborter = nullptr);
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}
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