rename src/tgbaalgos/ as src/twaalgos/
Automatic mass renaming. * src/tgbaalgos/: Rename as... * src/twaalgos/: ... this. * README, configure.ac, iface/ltsmin/modelcheck.cc, src/Makefile.am, src/bin/autfilt.cc, src/bin/common_aoutput.cc, src/bin/common_aoutput.hh, src/bin/common_output.hh, src/bin/common_post.hh, src/bin/dstar2tgba.cc, src/bin/ltl2tgba.cc, src/bin/ltl2tgta.cc, src/bin/ltlcross.cc, src/bin/ltldo.cc, src/bin/ltlfilt.cc, src/bin/randaut.cc, src/dstarparse/dra2ba.cc, src/dstarparse/nra2nba.cc, src/dstarparse/nsa2tgba.cc, src/graphtest/twagraph.cc, src/kripke/kripkeprint.cc, src/ltlvisit/contain.cc, src/ltlvisit/contain.hh, src/ltlvisit/exclusive.cc, src/taalgos/emptinessta.hh, src/tgbatest/checkpsl.cc, src/tgbatest/checkta.cc, src/tgbatest/complementation.cc, src/tgbatest/emptchk.cc, src/tgbatest/ltl2tgba.cc, src/tgbatest/ltlprod.cc, src/tgbatest/randtgba.cc, src/tgbatest/taatgba.cc, src/twa/twa.cc, src/twa/twagraph.hh, src/twa/twasafracomplement.cc, wrap/python/spot_impl.i: Adjust.
This commit is contained in:
Alexandre Duret-Lutz
parent
703fbd0e99
commit
de529df59f
159 changed files with 260 additions and 272 deletions
217
src/twaalgos/neverclaim.cc
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217
src/twaalgos/neverclaim.cc
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// -*- coding: utf-8 -*-
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// Copyright (C) 2009, 2011, 2012, 2014, 2015 Laboratoire de Recherche et
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// Développement de l'Epita (LRDE).
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// Copyright (C) 2004 Laboratoire d'Informatique de Paris 6 (LIP6),
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// département Systèmes Répartis Coopératifs (SRC), Université Pierre
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// et Marie Curie.
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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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#include <ostream>
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#include <sstream>
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#include "neverclaim.hh"
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#include "twa/bddprint.hh"
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#include "twa/twagraph.hh"
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#include "reachiter.hh"
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#include "ltlvisit/tostring.hh"
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#include "twa/formula2bdd.hh"
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namespace spot
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{
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namespace
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{
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class never_claim_output
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{
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public:
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std::ostream& os_;
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bool opt_comments_ = false;
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std::vector<std::string>* sn_ = nullptr;
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bool opt_624_ = false;
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const_twa_graph_ptr aut_;
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bool fi_needed_ = false;
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bool need_accept_all_ = false;
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unsigned accept_all_ = 0;
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public:
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never_claim_output(std::ostream& os, const char* options)
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: os_(os)
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{
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if (options)
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while (char c = *options++)
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switch (c)
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{
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case '6':
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opt_624_ = true;
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break;
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case 'c':
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opt_comments_ = true;
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break;
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default:
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throw std::runtime_error
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(std::string("unknown option for never_claim(): ") + c);
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}
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}
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void
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start() const
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{
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os_ << "never {";
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auto n = aut_->get_named_prop<std::string>("automaton-name");
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if (n)
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os_ << " /* " << *n << " */";
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os_ << '\n';
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}
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void
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end() const
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{
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if (need_accept_all_)
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{
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os_ << "accept_all:";
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print_comment(accept_all_);
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os_ << "\n skip\n";
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}
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os_ << '}' << std::endl;
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}
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bool is_sink(unsigned n) const
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{
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auto ts = aut_->out(n);
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assert(ts.begin() != ts.end());
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auto it = ts.begin();
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return (it->cond == bddtrue) && (it->dst == n) && (++it == ts.end());
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}
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void
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print_comment(unsigned n) const
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{
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if (sn_)
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if (n < sn_->size() && !(*sn_)[n].empty())
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os_ << " /* " << (*sn_)[n] << " */";
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}
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void
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print_state(unsigned n) const
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{
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std::string label;
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bool acc = aut_->state_is_accepting(n);
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if (n == aut_->get_init_state_number())
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{
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if (acc)
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os_ << "accept_init";
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else
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os_ << "T0_init";
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}
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else
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{
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if (!acc)
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os_ << "T0_S" << n;
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else if (is_sink(n))
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os_ << "accept_all";
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else
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os_ << "accept_S" << n;
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}
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}
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void process_state(unsigned n)
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{
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if (aut_->state_is_accepting(n) && is_sink(n)
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&& n != aut_->get_init_state_number())
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{
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// We want the accept_all state at the end of the never claim.
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need_accept_all_ = true;
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accept_all_ = n;
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return;
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}
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print_state(n);
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os_ << ':';
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print_comment(n);
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os_ << (opt_624_ ? "\n do\n" : "\n if\n");
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bool did_output = false;
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for (auto& t: aut_->out(n))
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{
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did_output = true;
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bool atom =
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opt_624_ && aut_->state_is_accepting(t.dst) && is_sink(t.dst);
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if (atom)
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os_ << " :: atomic { (";
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else
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os_ << " :: (";
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const ltl::formula* f = bdd_to_formula(t.cond, aut_->get_dict());
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to_spin_string(f, os_, true);
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if (atom)
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{
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os_ << ") -> assert(!(";
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to_spin_string(f, os_, true);
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os_ << ")) }";
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}
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else
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{
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os_ << ") -> goto ";
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print_state(t.dst);
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}
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f->destroy();
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os_ << '\n';
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}
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if (!did_output)
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{
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if (opt_624_)
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{
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os_ << " :: atomic { (false) -> assert(!(false)) }";
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}
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else
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{
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os_ << " :: (false) -> goto ";
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print_state(n);
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}
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os_ << '\n';
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}
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os_ << (opt_624_ ? " od;\n" : " fi;\n");
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}
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void print(const const_twa_graph_ptr& aut)
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{
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aut_ = aut;
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if (opt_comments_)
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sn_ = aut->get_named_prop<std::vector<std::string>>("state-names");
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start();
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unsigned init = aut_->get_init_state_number();
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unsigned ns = aut_->num_states();
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process_state(init);
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for (unsigned n = 0; n < ns; ++n)
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if (n != init)
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process_state(n);
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end();
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}
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};
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} // anonymous namespace
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std::ostream&
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never_claim_reachable(std::ostream& os, const const_twa_ptr& g,
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const char* options)
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{
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if (!(g->acc().is_buchi() || g->acc().is_true()))
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throw std::runtime_error
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("Never claim output only supports Büchi acceptance");
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never_claim_output d(os, options);
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auto aut = std::dynamic_pointer_cast<const twa_graph>(g);
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if (!aut)
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aut = make_twa_graph(g, twa::prop_set::all());
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d.print(aut);
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return os;
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}
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}
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