Add an algorithm to complement Büchi automata.
* src/tgba/tgbacomplement.hh, src/tgba/tgbacomplement.cc: New files. The complementation algorithm. * src/tgba/Makefile.am: Adjust. * src/tgbatest/complementation.test, src/tgbatest/complementation.cc: New files. Test suite for the complementation algorithm. * src/tgbatest/Makefile.am: Adjust. * src/tgbaalgos/Makefile.am: Reformat the header using 80 columns.
This commit is contained in:
Guillaume Sadegh
parent
e48338e8d8
commit
c5f8eafb01
8 changed files with 1586 additions and 3 deletions
217
src/tgbatest/complementation.cc
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217
src/tgbatest/complementation.cc
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#include <iomanip>
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#include <iostream>
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#include "tgbaalgos/dotty.hh"
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#include "tgbaparse/public.hh"
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#include "tgba/tgbaproduct.hh"
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#include "tgbaalgos/gtec/gtec.hh"
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#include "tgbaalgos/ltl2tgba_fm.hh"
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#include "ltlparse/public.hh"
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#include "tgbaalgos/stats.hh"
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#include "tgbaalgos/emptiness.hh"
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#include "ltlast/unop.hh"
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#include "tgbaalgos/stats.hh"
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#include "tgbaalgos/emptiness_stats.hh"
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#include "ltlvisit/destroy.hh"
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#include "ltlvisit/clone.hh"
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#include "tgba/tgbatba.hh"
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#include "tgba/tgbacomplement.hh"
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void usage(const char* prog)
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{
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std::cout << "usage: " << prog << " [options]" << std::endl;
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std::cout << "with options" << std::endl
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<< "-s buchi_automaton display the safra automaton"
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<< std::endl
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<< "-a buchi_automaton display the complemented automaton"
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<< std::endl
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<< "-astat buchi_automaton statistics for !a" << std::endl
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<< "-fstat formula statistics for !A_f" << std::endl
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<< "-f formula test !A_f and !A_!f" << std::endl;
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}
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int main(int argc, char* argv[])
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{
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char *file = 0;
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bool print_safra = false;
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bool print_automaton = false;
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bool check = false;
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int return_value = 0;
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bool stats = false;
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bool formula = false;
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bool automaton = false;
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if (argc < 3)
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{
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usage(argv[0]);
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return 1;
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}
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for (int i = 1; i < argc; ++i)
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{
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if (argv[i][0] == '-')
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{
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if (strcmp(argv[i] + 1, "astat") == 0)
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{
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stats = true;
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automaton = true;
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continue;
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}
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if (strcmp(argv[i] + 1, "fstat") == 0)
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{
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stats = true;
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formula = true;
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continue;
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}
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switch (argv[i][1])
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{
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case 's': print_safra = true; break;
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case 'a': print_automaton = true; break;
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case 'f': check = true; break;
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default:
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std::cerr << "unrecognized option `-" << argv[i][1]
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<< "'" << std::endl;
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return 2;
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}
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}
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else
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file = argv[i];
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}
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if (file == 0)
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{
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usage(argv[0]);
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return 1;
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}
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spot::bdd_dict* dict = new spot::bdd_dict();
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if (print_automaton || print_safra)
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{
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spot::ltl::environment& env(spot::ltl::default_environment::instance());
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spot::tgba_parse_error_list pel;
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spot::tgba_explicit* a = spot::tgba_parse(file, pel, dict, env);
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if (spot::format_tgba_parse_errors(std::cerr, file, pel))
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return 2;
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spot::tgba_complement* complement = new spot::tgba_complement(a);
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if (print_automaton)
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spot::dotty_reachable(std::cout, complement);
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if (print_safra)
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spot::display_safra(complement);
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delete complement;
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delete a;
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}
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else if (stats)
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{
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spot::tgba* a;
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spot::ltl::formula* f1 = 0;
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if (formula)
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{
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spot::ltl::parse_error_list p1;
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f1 = spot::ltl::parse(file, p1);
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if (spot::ltl::format_parse_errors(std::cerr, file, p1))
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return 2;
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a = spot::ltl_to_tgba_fm(f1, dict);
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}
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else
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{
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spot::tgba_parse_error_list pel;
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spot::ltl::environment& env(spot::ltl::default_environment::instance());
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a = spot::tgba_parse(file, pel, dict, env);
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if (spot::format_tgba_parse_errors(std::cerr, file, pel))
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return 2;
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}
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spot::tgba_complement* complement = new spot::tgba_complement(a);
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spot::tgba_statistics a_size = spot::stats_reachable(a);
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std::cout << "Original: "
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<< a_size.states << ", "
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<< a_size.transitions << std::endl;
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spot::tgba *buchi = new spot::tgba_sba_proxy(a);
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a_size = spot::stats_reachable(buchi);
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std::cout << "Buchi: "
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<< a_size.states << ", "
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<< a_size.transitions << std::endl;
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delete buchi;
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spot::tgba_statistics b_size = spot::stats_reachable(complement);
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std::cout << "Complement: "
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<< b_size.states << ", "
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<< b_size.transitions << std::endl;
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delete complement;
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delete a;
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if (formula)
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{
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spot::ltl::formula* nf1 =
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spot::ltl::unop::instance(spot::ltl::unop::Not,
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spot::ltl::clone(f1));
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spot::tgba* a2 = spot::ltl_to_tgba_fm(nf1, dict);
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spot::tgba_statistics a_size = spot::stats_reachable(a2);
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std::cout << "Not Formula: "
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<< a_size.states << ", "
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<< a_size.transitions << std::endl;
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delete a2;
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spot::ltl::destroy(f1);
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spot::ltl::destroy(nf1);
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}
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}
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else
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{
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spot::ltl::parse_error_list p1;
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spot::ltl::formula* f1 = spot::ltl::parse(file, p1);
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if (spot::ltl::format_parse_errors(std::cerr, file, p1))
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return 2;
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spot::tgba* Af = spot::ltl_to_tgba_fm(f1, dict);
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spot::ltl::formula* nf1 = spot::ltl::unop::instance(spot::ltl::unop::Not,
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spot::ltl::clone(f1));
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spot::tgba* Anf = spot::ltl_to_tgba_fm(nf1, dict);
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spot::tgba_complement* nAf = new spot::tgba_complement(Af);
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spot::tgba_complement* nAnf = new spot::tgba_complement(Anf);
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spot::tgba* prod = new spot::tgba_product(nAf, nAnf);
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spot::emptiness_check* ec = spot::couvreur99(prod);
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spot::emptiness_check_result* res = ec->check();
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spot::tgba_statistics a_size = spot::stats_reachable(ec->automaton());
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std::cout << std::right << std::setw(10)
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<< a_size.states << ", "
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<< std::right << std::setw(10)
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<< a_size.transitions << ", "
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<< ec->automaton()->number_of_acceptance_conditions();
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if (res)
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{
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std::cout << ", FAIL";
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return_value = 1;
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}
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else
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std::cout << ", OK";
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std::cout << std::endl;
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delete res;
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delete ec;
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delete prod;
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delete nAf;
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delete Af;
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delete nAnf;
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delete Anf;
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spot::ltl::destroy(nf1);
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spot::ltl::destroy(f1);
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}
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delete dict;
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return return_value;
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}
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