868 lines
26 KiB
C++
868 lines
26 KiB
C++
// Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 Laboratoire
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// d'Informatique de Paris 6 (LIP6), département Systèmes Répartis
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// Coopératifs (SRC), Université Pierre 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 2 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 Spot; see the file COPYING. If not, write to the Free
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// Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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// 02111-1307, USA.
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#include <iostream>
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#include <iomanip>
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#include <cassert>
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#include <fstream>
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#include <string>
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#include <cstdlib>
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#include "ltlvisit/destroy.hh"
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#include "ltlvisit/contain.hh"
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#include "ltlvisit/tostring.hh"
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#include "ltlvisit/apcollect.hh"
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#include "ltlparse/public.hh"
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#include "tgbaalgos/ltl2tgba_lacim.hh"
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#include "tgbaalgos/ltl2tgba_fm.hh"
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#include "tgba/bddprint.hh"
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#include "tgbaalgos/save.hh"
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#include "tgbaalgos/dotty.hh"
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#include "tgbaalgos/lbtt.hh"
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#include "tgba/tgbatba.hh"
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#include "tgba/tgbaproduct.hh"
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#include "tgbaalgos/reducerun.hh"
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#include "tgbaparse/public.hh"
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#include "tgbaalgos/dupexp.hh"
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#include "tgbaalgos/neverclaim.hh"
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#include "tgbaalgos/reductgba_sim.hh"
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#include "tgbaalgos/replayrun.hh"
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#include "tgbaalgos/rundotdec.hh"
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#include "tgbaalgos/stats.hh"
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#include "tgbaalgos/emptiness_stats.hh"
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void
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syntax(char* prog)
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{
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std::cerr << "Usage: "<< prog << " [OPTIONS...] formula" << std::endl
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<< " "<< prog << " -F [OPTIONS...] file" << std::endl
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<< " "<< prog << " -X [OPTIONS...] file" << std::endl
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<< std::endl
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<< "Options:" << std::endl
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<< " -0 produce minimal output dedicated to the paper"
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<< std::endl
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<< " -a display the acceptance_conditions BDD, not the "
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<< "reachability graph"
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<< std::endl
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<< " -A same as -a, but as a set" << std::endl
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<< " -b display the automaton in the format of spot"
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<< std::endl
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<< " -c enable language containment checks (implies -f)"
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<< std::endl
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<< " -d turn on traces during parsing" << std::endl
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<< " -D degeneralize the automaton as a TBA" << std::endl
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<< " -DS degeneralize the automaton as an SBA" << std::endl
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<< " -e[ALGO] emptiness-check, expect and compute an "
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<< "accepting run" << std::endl
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<< " -E[ALGO] emptiness-check, expect no accepting run"
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<< std::endl
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<< " -f use Couvreur's FM algorithm for translation"
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<< std::endl
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<< " -fr1 use -r1 (see below) at each step of FM" << std::endl
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<< " -fr2 use -r2 (see below) at each step of FM" << std::endl
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<< " -fr3 use -r3 (see below) at each step of FM" << std::endl
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<< " -fr4 use -r4 (see below) at each step of FM" << std::endl
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<< " -fr5 use -r5 (see below) at each step of FM" << std::endl
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<< " -fr6 use -r6 (see below) at each step of FM" << std::endl
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<< " -fr7 use -r7 (see below) at each step of FM" << std::endl
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<< " -fr8 use -r8 (see below) at each step of FM" << std::endl
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<< " -F read the formula from the file" << std::endl
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<< " -g graph the accepting run on the automaton (requires -e)"
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<< std::endl
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<< " -G graph the accepting run seen as an automaton "
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<< " (requires -e)" << std::endl
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<< " -L fair-loop approximation (implies -f)" << std::endl
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<< " -m try to reduce accepting runs, in a second pass"
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<< std::endl
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<< " -N display the never clain for Spin "
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<< "(implies -D)" << std::endl
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<< " -p branching postponement (implies -f)" << std::endl
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<< " -Pfile multiply the formula with the automaton from `file'."
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<< std::endl
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<< " -r display the relation BDD, not the reachability graph"
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<< std::endl
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<< " -r1 reduce formula using basic rewriting" << std::endl
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<< " -r2 reduce formula using class of eventuality and "
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<< "and universality" << std::endl
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<< " -r3 reduce formula using implication between "
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<< "sub-formulae" << std::endl
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<< " -r4 reduce formula using all above rules" << std::endl
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<< " -r5 reduce formula using tau03" << std::endl
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<< " -r6 reduce formula using tau03+" << std::endl
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<< " -r7 reduce formula using tau03+ and -r1" << std::endl
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<< " -r8 reduce formula using tau03+ and -r4" << std::endl
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<< " -rd display the reduce formula" << std::endl
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<< " -R same as -r, but as a set" << std::endl
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<< " -R1q merge states using direct simulation "
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<< "(use -L for more reduction)"
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<< std::endl
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<< " -R1t remove transitions using direct simulation "
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<< "(use -L for more reduction)"
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<< std::endl
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<< " -R2q merge states using delayed simulation" << std::endl
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<< " -R2t remove transitions using delayed simulation"
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<< std::endl
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<< " -R3 use SCC to reduce the automata" << std::endl
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<< " -Rd display the simulation relation" << std::endl
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<< " -RD display the parity game (dot format)" << std::endl
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<< " -s convert to explicit automata, and number states "
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<< "in DFS order" << std::endl
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<< " -S convert to explicit automata, and number states "
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<< "in BFS order" << std::endl
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<< " -t display reachable states in LBTT's format" << std::endl
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<< " -U[PROPS] consider atomic properties of the formula as "
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<< "exclusive events, and" << std::endl
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<< " PROPS as unobservables events (implies -f)"
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<< std::endl
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<< " -v display the BDD variables used by the automaton"
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<< std::endl
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<< " -x try to produce a more deterministic automata "
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<< "(implies -f)" << std::endl
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<< " -X do not compute an automaton, read it from a file"
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<< std::endl
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<< " -y do not merge states with same symbolic representation "
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<< "(implies -f)" << std::endl
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<< std::endl
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<< "Where ALGO should be one of:" << std::endl
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<< " Cou99(OPTIONS) (the default)" << std::endl
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<< " CVWY90(OPTIONS)" << std::endl
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<< " GV04(OPTIONS)" << std::endl
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<< " SE05(OPTIONS)" << std::endl
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<< " Tau03(OPTIONS)" << std::endl
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<< " Tau03_opt(OPTIONS)" << std::endl;
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exit(2);
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}
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int
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main(int argc, char** argv)
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{
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int exit_code = 0;
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bool debug_opt = false;
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bool paper_opt = false;
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enum { NoDegen, DegenTBA, DegenSBA } degeneralize_opt = NoDegen;
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bool fm_opt = false;
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int fm_red = spot::ltl::Reduce_None;
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bool fm_exprop_opt = false;
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bool fm_symb_merge_opt = true;
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bool file_opt = false;
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int output = 0;
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int formula_index = 0;
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const char* echeck_algo = 0;
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spot::emptiness_check_instantiator* echeck_inst = 0;
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enum { NoneDup, BFS, DFS } dupexp = NoneDup;
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bool expect_counter_example = false;
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bool from_file = false;
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int reduc_aut = spot::Reduce_None;
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int redopt = spot::ltl::Reduce_None;
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bool display_reduce_form = false;
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bool display_rel_sim = false;
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bool display_parity_game = false;
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bool post_branching = false;
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bool fair_loop_approx = false;
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bool graph_run_opt = false;
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bool graph_run_tgba_opt = false;
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bool opt_reduce = false;
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bool containment = false;
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spot::ltl::environment& env(spot::ltl::default_environment::instance());
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spot::ltl::atomic_prop_set* unobservables = 0;
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spot::tgba_explicit* system = 0;
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spot::tgba* product = 0;
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spot::tgba* product_to_free = 0;
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spot::bdd_dict* dict = new spot::bdd_dict();
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for (;;)
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{
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if (argc < formula_index + 2)
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syntax(argv[0]);
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++formula_index;
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if (!strcmp(argv[formula_index], "-0"))
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{
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paper_opt = true;
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}
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else if (!strcmp(argv[formula_index], "-a"))
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{
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output = 2;
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}
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else if (!strcmp(argv[formula_index], "-A"))
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{
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output = 4;
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}
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else if (!strcmp(argv[formula_index], "-b"))
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{
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output = 7;
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}
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else if (!strcmp(argv[formula_index], "-c"))
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{
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containment = true;
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fm_opt = true;
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}
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else if (!strcmp(argv[formula_index], "-d"))
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{
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debug_opt = true;
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}
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else if (!strcmp(argv[formula_index], "-D"))
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{
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degeneralize_opt = DegenTBA;
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}
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else if (!strcmp(argv[formula_index], "-DS"))
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{
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degeneralize_opt = DegenSBA;
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}
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else if (!strncmp(argv[formula_index], "-e", 2))
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{
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echeck_algo = 2 + argv[formula_index];
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if (!*echeck_algo)
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echeck_algo = "Cou99";
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const char* err;
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echeck_inst =
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spot::emptiness_check_instantiator::construct(echeck_algo, &err);
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if (!echeck_inst)
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{
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std::cerr << "Failed to parse argument of -e near `"
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<< err << "'" << std::endl;
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exit(2);
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}
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expect_counter_example = true;
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output = -1;
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}
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else if (!strncmp(argv[formula_index], "-E", 2))
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{
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const char* echeck_algo = 2 + argv[formula_index];
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if (!*echeck_algo)
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echeck_algo = "Cou99";
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const char* err;
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echeck_inst =
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spot::emptiness_check_instantiator::construct(echeck_algo, &err);
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if (!echeck_inst)
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{
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std::cerr << "Failed to parse argument of -e near `"
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<< err << "'" << std::endl;
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exit(2);
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}
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expect_counter_example = false;
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output = -1;
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}
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else if (!strcmp(argv[formula_index], "-f"))
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{
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fm_opt = true;
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}
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else if (!strcmp(argv[formula_index], "-fr1"))
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{
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fm_opt = true;
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fm_red |= spot::ltl::Reduce_Basics;
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}
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else if (!strcmp(argv[formula_index], "-fr2"))
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{
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fm_opt = true;
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fm_red |= spot::ltl::Reduce_Eventuality_And_Universality;
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}
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else if (!strcmp(argv[formula_index], "-fr3"))
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{
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fm_opt = true;
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fm_red |= spot::ltl::Reduce_Syntactic_Implications;
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}
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else if (!strcmp(argv[formula_index], "-fr4"))
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{
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fm_opt = true;
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fm_red |= spot::ltl::Reduce_Basics
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| spot::ltl::Reduce_Eventuality_And_Universality
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| spot::ltl::Reduce_Syntactic_Implications;
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}
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else if (!strcmp(argv[formula_index], "-fr5"))
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{
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fm_opt = true;
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fm_red |= spot::ltl::Reduce_Containment_Checks;
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}
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else if (!strcmp(argv[formula_index], "-fr6"))
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{
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fm_opt = true;
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fm_red |= spot::ltl::Reduce_Containment_Checks_Stronger;
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}
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else if (!strcmp(argv[formula_index], "-fr7"))
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{
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fm_opt = true;
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fm_red |= spot::ltl::Reduce_All;
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}
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else if (!strcmp(argv[formula_index], "-F"))
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{
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file_opt = true;
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}
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else if (!strcmp(argv[formula_index], "-g"))
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{
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graph_run_opt = true;
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}
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else if (!strcmp(argv[formula_index], "-G"))
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{
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graph_run_tgba_opt = true;
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}
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else if (!strcmp(argv[formula_index], "-L"))
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{
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fair_loop_approx = true;
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fm_opt = true;
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}
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else if (!strcmp(argv[formula_index], "-m"))
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{
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opt_reduce = true;
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}
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else if (!strcmp(argv[formula_index], "-N"))
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{
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degeneralize_opt = DegenSBA;
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output = 8;
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}
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else if (!strcmp(argv[formula_index], "-p"))
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{
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post_branching = true;
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fm_opt = true;
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}
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else if (!strncmp(argv[formula_index], "-P", 2))
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{
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spot::tgba_parse_error_list pel;
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system = spot::tgba_parse(argv[formula_index] + 2,
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pel, dict, env, env, debug_opt);
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if (spot::format_tgba_parse_errors(std::cerr,
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argv[formula_index] + 2, pel))
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return 2;
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system->merge_transitions();
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if (!paper_opt)
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std::clog << argv[formula_index] + 2 << " read" << std::endl;
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}
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else if (!strcmp(argv[formula_index], "-r"))
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{
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output = 1;
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}
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else if (!strcmp(argv[formula_index], "-r1"))
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{
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redopt |= spot::ltl::Reduce_Basics;
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}
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else if (!strcmp(argv[formula_index], "-r2"))
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{
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redopt |= spot::ltl::Reduce_Eventuality_And_Universality;
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}
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else if (!strcmp(argv[formula_index], "-r3"))
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{
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redopt |= spot::ltl::Reduce_Syntactic_Implications;
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}
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else if (!strcmp(argv[formula_index], "-r4"))
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{
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redopt |= spot::ltl::Reduce_Basics
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| spot::ltl::Reduce_Eventuality_And_Universality
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| spot::ltl::Reduce_Syntactic_Implications;
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}
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else if (!strcmp(argv[formula_index], "-r5"))
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{
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redopt |= spot::ltl::Reduce_Containment_Checks;
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}
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else if (!strcmp(argv[formula_index], "-r6"))
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{
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redopt |= spot::ltl::Reduce_Containment_Checks_Stronger;
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}
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else if (!strcmp(argv[formula_index], "-r7"))
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{
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redopt |= spot::ltl::Reduce_All;
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}
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else if (!strcmp(argv[formula_index], "-R"))
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{
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output = 3;
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}
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else if (!strcmp(argv[formula_index], "-R1q"))
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{
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reduc_aut |= spot::Reduce_quotient_Dir_Sim;
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}
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else if (!strcmp(argv[formula_index], "-R1t"))
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{
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reduc_aut |= spot::Reduce_transition_Dir_Sim;
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}
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else if (!strcmp(argv[formula_index], "-R2q"))
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{
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reduc_aut |= spot::Reduce_quotient_Del_Sim;
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}
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else if (!strcmp(argv[formula_index], "-R2t"))
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{
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reduc_aut |= spot::Reduce_transition_Del_Sim;
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}
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else if (!strcmp(argv[formula_index], "-R3"))
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{
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reduc_aut |= spot::Reduce_Scc;
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}
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else if (!strcmp(argv[formula_index], "-rd"))
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{
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display_reduce_form = true;
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}
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else if (!strcmp(argv[formula_index], "-Rd"))
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{
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display_rel_sim = true;
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}
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else if (!strcmp(argv[formula_index], "-RD"))
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{
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display_parity_game = true;
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}
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else if (!strcmp(argv[formula_index], "-s"))
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{
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dupexp = DFS;
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}
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else if (!strcmp(argv[formula_index], "-S"))
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{
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dupexp = BFS;
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}
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else if (!strcmp(argv[formula_index], "-t"))
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{
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output = 6;
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}
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else if (!strncmp(argv[formula_index], "-U", 2))
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{
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unobservables = new spot::ltl::atomic_prop_set;
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fm_opt = true;
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// Parse -U's argument.
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const char* tok = strtok(argv[formula_index] + 2, ", \t;");
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while (tok)
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{
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unobservables->insert
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(static_cast<spot::ltl::atomic_prop*>(env.require(tok)));
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tok = strtok(0, ", \t;");
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}
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}
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else if (!strcmp(argv[formula_index], "-v"))
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{
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output = 5;
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}
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else if (!strcmp(argv[formula_index], "-x"))
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{
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fm_opt = true;
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fm_exprop_opt = true;
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}
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else if (!strcmp(argv[formula_index], "-X"))
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{
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from_file = true;
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}
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else if (!strcmp(argv[formula_index], "-y"))
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{
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fm_opt = true;
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fm_symb_merge_opt = false;
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}
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else
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{
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break;
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}
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}
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if ((graph_run_opt || graph_run_tgba_opt)
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&& (!echeck_inst || !expect_counter_example))
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{
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std::cerr << argv[0] << ": error: -g and -G require -e." << std::endl;
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exit(1);
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}
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std::string input;
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if (file_opt)
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{
|
|
if (strcmp(argv[formula_index], "-"))
|
|
{
|
|
std::ifstream fin(argv[formula_index]);
|
|
if (!fin)
|
|
{
|
|
std::cerr << "Cannot open " << argv[formula_index] << std::endl;
|
|
exit(2);
|
|
}
|
|
|
|
if (!std::getline(fin, input, '\0'))
|
|
{
|
|
std::cerr << "Cannot read " << argv[formula_index] << std::endl;
|
|
exit(2);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
std::getline(std::cin, input, '\0');
|
|
}
|
|
}
|
|
else
|
|
{
|
|
input = argv[formula_index];
|
|
}
|
|
|
|
spot::ltl::formula* f = 0;
|
|
if (!from_file)
|
|
{
|
|
spot::ltl::parse_error_list pel;
|
|
f = spot::ltl::parse(input, pel, env, debug_opt);
|
|
exit_code = spot::ltl::format_parse_errors(std::cerr, input, pel);
|
|
}
|
|
if (f || from_file)
|
|
{
|
|
spot::tgba_bdd_concrete* concrete = 0;
|
|
spot::tgba* to_free = 0;
|
|
spot::tgba* a = 0;
|
|
|
|
if (from_file)
|
|
{
|
|
spot::tgba_parse_error_list pel;
|
|
spot::tgba_explicit* e;
|
|
to_free = a = e = spot::tgba_parse(input, pel, dict,
|
|
env, env, debug_opt);
|
|
if (spot::format_tgba_parse_errors(std::cerr, input, pel))
|
|
{
|
|
delete to_free;
|
|
delete dict;
|
|
return 2;
|
|
}
|
|
e->merge_transitions();
|
|
}
|
|
else
|
|
{
|
|
if (redopt != spot::ltl::Reduce_None)
|
|
{
|
|
spot::ltl::formula* t = spot::ltl::reduce(f, redopt);
|
|
spot::ltl::destroy(f);
|
|
f = t;
|
|
if (display_reduce_form)
|
|
std::cout << spot::ltl::to_string(f) << std::endl;
|
|
}
|
|
|
|
if (fm_opt)
|
|
to_free = a = spot::ltl_to_tgba_fm(f, dict, fm_exprop_opt,
|
|
fm_symb_merge_opt,
|
|
post_branching,
|
|
fair_loop_approx, unobservables,
|
|
fm_red, containment);
|
|
else
|
|
to_free = a = concrete = spot::ltl_to_tgba_lacim(f, dict);
|
|
}
|
|
|
|
spot::tgba_tba_proxy* degeneralized = 0;
|
|
|
|
unsigned int n_acc = a->number_of_acceptance_conditions();
|
|
if (echeck_inst
|
|
&& degeneralize_opt == NoDegen
|
|
&& n_acc > 1
|
|
&& echeck_inst->max_acceptance_conditions() < n_acc)
|
|
degeneralize_opt = DegenTBA;
|
|
if (degeneralize_opt == DegenTBA)
|
|
a = degeneralized = new spot::tgba_tba_proxy(a);
|
|
else if (degeneralize_opt == DegenSBA)
|
|
a = degeneralized = new spot::tgba_sba_proxy(a);
|
|
|
|
spot::tgba_reduc* aut_red = 0;
|
|
if (reduc_aut != spot::Reduce_None)
|
|
{
|
|
a = aut_red = new spot::tgba_reduc(a);
|
|
|
|
if (reduc_aut & spot::Reduce_Scc)
|
|
aut_red->prune_scc();
|
|
|
|
if (reduc_aut & (spot::Reduce_quotient_Dir_Sim |
|
|
spot::Reduce_transition_Dir_Sim |
|
|
spot::Reduce_quotient_Del_Sim |
|
|
spot::Reduce_transition_Del_Sim))
|
|
{
|
|
spot::direct_simulation_relation* rel_dir = 0;
|
|
spot::delayed_simulation_relation* rel_del = 0;
|
|
|
|
if (reduc_aut & (spot::Reduce_quotient_Dir_Sim |
|
|
spot::Reduce_transition_Dir_Sim))
|
|
{
|
|
rel_dir =
|
|
spot::get_direct_relation_simulation(a,
|
|
std::cout,
|
|
display_parity_game);
|
|
assert(rel_dir);
|
|
}
|
|
if (reduc_aut & (spot::Reduce_quotient_Del_Sim |
|
|
spot::Reduce_transition_Del_Sim))
|
|
{
|
|
rel_del =
|
|
spot::get_delayed_relation_simulation(a,
|
|
std::cout,
|
|
display_parity_game);
|
|
assert(rel_del);
|
|
}
|
|
|
|
if (display_rel_sim)
|
|
{
|
|
if (rel_dir)
|
|
aut_red->display_rel_sim(rel_dir, std::cout);
|
|
if (rel_del)
|
|
aut_red->display_rel_sim(rel_del, std::cout);
|
|
}
|
|
|
|
if (reduc_aut & spot::Reduce_quotient_Dir_Sim)
|
|
aut_red->quotient_state(rel_dir);
|
|
if (reduc_aut & spot::Reduce_transition_Dir_Sim)
|
|
aut_red->delete_transitions(rel_dir);
|
|
if (reduc_aut & spot::Reduce_quotient_Del_Sim)
|
|
aut_red->quotient_state(rel_del);
|
|
if (reduc_aut & spot::Reduce_transition_Del_Sim)
|
|
aut_red->delete_transitions(rel_del);
|
|
|
|
if (rel_dir)
|
|
spot::free_relation_simulation(rel_dir);
|
|
if (rel_del)
|
|
spot::free_relation_simulation(rel_del);
|
|
}
|
|
}
|
|
|
|
spot::tgba_explicit* expl = 0;
|
|
switch (dupexp)
|
|
{
|
|
case NoneDup:
|
|
break;
|
|
case BFS:
|
|
a = expl = tgba_dupexp_bfs(a);
|
|
break;
|
|
case DFS:
|
|
a = expl = tgba_dupexp_dfs(a);
|
|
break;
|
|
}
|
|
|
|
spot::tgba* product_degeneralized = 0;
|
|
|
|
if (system)
|
|
{
|
|
a = product = product_to_free = new spot::tgba_product(system, a);
|
|
|
|
unsigned int n_acc = a->number_of_acceptance_conditions();
|
|
if (echeck_inst
|
|
&& degeneralize_opt == NoDegen
|
|
&& n_acc > 1
|
|
&& echeck_inst->max_acceptance_conditions() < n_acc)
|
|
degeneralize_opt = DegenTBA;
|
|
if (degeneralize_opt == DegenTBA)
|
|
a = product = product_degeneralized =
|
|
new spot::tgba_tba_proxy(product);
|
|
else if (degeneralize_opt == DegenSBA)
|
|
a = product = product_degeneralized =
|
|
new spot::tgba_sba_proxy(product);
|
|
}
|
|
|
|
if (echeck_inst
|
|
&& (a->number_of_acceptance_conditions()
|
|
< echeck_inst->min_acceptance_conditions()))
|
|
{
|
|
if (!paper_opt)
|
|
{
|
|
std::cerr << echeck_algo << " requires at least "
|
|
<< echeck_inst->min_acceptance_conditions()
|
|
<< " acceptance conditions." << std::endl;
|
|
exit(1);
|
|
}
|
|
else
|
|
{
|
|
std::cout << std::endl;
|
|
exit(0);
|
|
}
|
|
}
|
|
|
|
switch (output)
|
|
{
|
|
case -1:
|
|
/* No output. */
|
|
break;
|
|
case 0:
|
|
spot::dotty_reachable(std::cout, a);
|
|
break;
|
|
case 1:
|
|
if (concrete)
|
|
spot::bdd_print_dot(std::cout, concrete->get_dict(),
|
|
concrete->get_core_data().relation);
|
|
break;
|
|
case 2:
|
|
if (concrete)
|
|
spot::bdd_print_dot(std::cout, concrete->get_dict(),
|
|
concrete->
|
|
get_core_data().acceptance_conditions);
|
|
break;
|
|
case 3:
|
|
if (concrete)
|
|
spot::bdd_print_set(std::cout, concrete->get_dict(),
|
|
concrete->get_core_data().relation);
|
|
break;
|
|
case 4:
|
|
if (concrete)
|
|
spot::bdd_print_set(std::cout, concrete->get_dict(),
|
|
concrete->
|
|
get_core_data().acceptance_conditions);
|
|
break;
|
|
case 5:
|
|
a->get_dict()->dump(std::cout);
|
|
break;
|
|
case 6:
|
|
spot::lbtt_reachable(std::cout, a);
|
|
break;
|
|
case 7:
|
|
spot::tgba_save_reachable(std::cout, a);
|
|
break;
|
|
case 8:
|
|
{
|
|
assert(degeneralize_opt == DegenSBA);
|
|
const spot::tgba_sba_proxy* s =
|
|
static_cast<const spot::tgba_sba_proxy*>(degeneralized);
|
|
spot::never_claim_reachable(std::cout, s, f);
|
|
break;
|
|
}
|
|
default:
|
|
assert(!"unknown output option");
|
|
}
|
|
|
|
if (echeck_inst)
|
|
{
|
|
spot::emptiness_check* ec = echeck_inst->instantiate(a);
|
|
bool search_many = echeck_inst->options().get("repeated");
|
|
assert(ec);
|
|
do
|
|
{
|
|
spot::emptiness_check_result* res = ec->check();
|
|
if (paper_opt)
|
|
{
|
|
std::ios::fmtflags old = std::cout.flags();
|
|
std::cout << std::left << std::setw(25)
|
|
<< echeck_algo << ", ";
|
|
spot::tgba_statistics a_size =
|
|
spot::stats_reachable(ec->automaton());
|
|
std::cout << std::right << std::setw(10)
|
|
<< a_size.states << ", "
|
|
<< std::right << std::setw(10)
|
|
<< a_size.transitions << ", ";
|
|
std::cout <<
|
|
ec->automaton()->number_of_acceptance_conditions()
|
|
<< ", ";
|
|
const spot::ec_statistics* ecs =
|
|
dynamic_cast<const spot::ec_statistics*>(ec);
|
|
if (ecs)
|
|
std::cout << std::right << std::setw(10)
|
|
<< ecs->states() << ", "
|
|
<< std::right << std::setw(10)
|
|
<< ecs->transitions() << ", "
|
|
<< std::right << std::setw(10)
|
|
<< ecs->max_depth();
|
|
else
|
|
std::cout << "no stats, , ";
|
|
if (res)
|
|
std::cout << ", accepting run found";
|
|
else
|
|
std::cout << ", no accepting run found";
|
|
std::cout << std::endl;
|
|
std::cout << std::setiosflags(old);
|
|
}
|
|
else
|
|
{
|
|
if (!graph_run_opt && !graph_run_tgba_opt)
|
|
ec->print_stats(std::cout);
|
|
if (expect_counter_example != !!res &&
|
|
(!expect_counter_example || ec->safe()))
|
|
exit_code = 1;
|
|
|
|
if (!res)
|
|
{
|
|
std::cout << "no accepting run found";
|
|
if (!ec->safe() && expect_counter_example)
|
|
{
|
|
std::cout << " even if expected" << std::endl;
|
|
std::cout << "this may be due to the use of the bit"
|
|
<< " state hashing technique" << std::endl;
|
|
std::cout << "you can try to increase the heap size "
|
|
<< "or use an explicit storage"
|
|
<< std::endl;
|
|
}
|
|
std::cout << std::endl;
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
|
|
spot::tgba_run* run = res->accepting_run();
|
|
if (!run)
|
|
{
|
|
std::cout << "an accepting run exists" << std::endl;
|
|
}
|
|
else
|
|
{
|
|
if (opt_reduce)
|
|
{
|
|
spot::tgba_run* redrun =
|
|
spot::reduce_run(res->automaton(), run);
|
|
delete run;
|
|
run = redrun;
|
|
}
|
|
if (graph_run_opt)
|
|
{
|
|
spot::tgba_run_dotty_decorator deco(run);
|
|
spot::dotty_reachable(std::cout, a, &deco);
|
|
}
|
|
else if (graph_run_tgba_opt)
|
|
{
|
|
spot::tgba* ar = spot::tgba_run_to_tgba(a, run);
|
|
spot::dotty_reachable(std::cout, ar);
|
|
delete ar;
|
|
}
|
|
else
|
|
{
|
|
spot::print_tgba_run(std::cout, a, run);
|
|
if (!spot::replay_tgba_run(std::cout, a, run,
|
|
true))
|
|
exit_code = 1;
|
|
}
|
|
delete run;
|
|
}
|
|
}
|
|
}
|
|
delete res;
|
|
}
|
|
while (search_many);
|
|
delete ec;
|
|
}
|
|
|
|
if (f)
|
|
spot::ltl::destroy(f);
|
|
delete product_degeneralized;
|
|
delete product_to_free;
|
|
delete system;
|
|
delete expl;
|
|
delete aut_red;
|
|
delete degeneralized;
|
|
delete to_free;
|
|
delete echeck_inst;
|
|
}
|
|
else
|
|
{
|
|
exit_code = 1;
|
|
}
|
|
|
|
if (unobservables)
|
|
{
|
|
for (spot::ltl::atomic_prop_set::iterator i =
|
|
unobservables->begin(); i != unobservables->end(); ++i)
|
|
spot::ltl::destroy(*i);
|
|
delete unobservables;
|
|
}
|
|
|
|
assert(spot::ltl::atomic_prop::instance_count() == 0);
|
|
assert(spot::ltl::unop::instance_count() == 0);
|
|
assert(spot::ltl::binop::instance_count() == 0);
|
|
assert(spot::ltl::multop::instance_count() == 0);
|
|
delete dict;
|
|
return exit_code;
|
|
}
|