TEST(normal_interface, logfile2_assumps) { SATSolver* s = new SATSolver(); s->log_to_file("testfile"); s->new_vars(2); s->add_clause(vector<Lit>{Lit(0, false)}); s->add_clause(vector<Lit>{Lit(0, false), Lit(1, false)}); std::vector<Lit> assumps {Lit(0, false), Lit(1, true)}; lbool ret = s->solve(&assumps); s->add_clause(vector<Lit>{Lit(1, false)}); assumps.clear(); assumps.push_back(Lit(1, true)); ret = s->solve(&assumps); delete s; std::ifstream infile("testfile"); std::string line; std::getline(infile, line); EXPECT_EQ(line, "c Solver::new_vars( 2 )"); std::getline(infile, line); EXPECT_EQ(line, "1 0"); std::getline(infile, line); EXPECT_EQ(line, "1 2 0"); std::getline(infile, line); EXPECT_EQ(line, "c Solver::solve( 1 -2 )"); std::getline(infile, line); EXPECT_EQ(line, "2 0"); std::getline(infile, line); EXPECT_EQ(line, "c Solver::solve( -2 )"); }
TEST(normal_interface, logfile2) { SATSolver* s = new SATSolver(); s->log_to_file("testfile"); s->new_vars(2); s->add_clause(vector<Lit>{Lit(0, false)}); s->add_clause(vector<Lit>{Lit(0, false), Lit(1, false)}); lbool ret = s->solve(); s->add_clause(vector<Lit>{Lit(1, false)}); ret = s->solve(); delete s; std::ifstream infile("testfile"); std::string line; std::getline(infile, line); EXPECT_EQ(line, "c Solver::new_vars( 2 )"); std::getline(infile, line); EXPECT_EQ(line, "1 0"); std::getline(infile, line); EXPECT_EQ(line, "1 2 0"); std::getline(infile, line); EXPECT_EQ(line, "c Solver::solve( )"); std::getline(infile, line); EXPECT_EQ(line, "2 0"); std::getline(infile, line); EXPECT_EQ(line, "c Solver::solve( )"); }
TEST(error_throw, multithread_newvar) { SATSolver s; s.new_vars(3); EXPECT_THROW({ s.set_num_threads(3);} , std::runtime_error);
TEST(xor_interface, xor_check_unsat) { SATSolver s; s.new_vars(3); s.add_xor_clause(vector<uint32_t>{0U, 1U, 2U}, false); s.add_xor_clause(vector<uint32_t>{0U, 1U, 2U}, true); lbool ret = s.solve(); EXPECT_EQ( ret, l_False); EXPECT_EQ( s.nVars(), 3u); }
TEST(stp_test, set_num_threads_true) { SATSolver s; s.set_num_threads(5); s.new_vars(2); s.add_clause(str_to_cl("1,2")); s.add_clause(str_to_cl("1,-2")); lbool ret = s.solve(); EXPECT_EQ(ret, l_True); EXPECT_EQ(s.get_model()[0], l_True); }
TEST(xor_interface, unit) { SATSolver s; s.new_vars(3); s.add_clause(vector<Lit>{Lit(0, false)}); lbool ret = s.solve(); EXPECT_EQ( ret, l_True); vector<Lit> units = s.get_zero_assigned_lits(); EXPECT_EQ( units.size(), 1u); EXPECT_EQ( units[0], Lit(0, false)); }
TEST(normal_interface, max_time) { SATSolver* s = new SATSolver(); s->new_vars(200); s->add_clause(str_to_cl("1")); s->add_clause(str_to_cl("1, 2")); s->set_max_time(3); lbool ret = s->solve(); s->add_clause(vector<Lit>{Lit(1, false)}); ret = s->solve(); delete s; EXPECT_EQ(ret, l_True); }
TEST(stp_test, default_polar_false) { SATSolver s; s.set_no_simplify_at_startup(); s.set_default_polarity(false); s.new_vars(4); s.add_clause(str_to_cl("-1, -2, -3, -4")); lbool ret = s.solve(); EXPECT_EQ(ret, l_True); for(size_t i = 0; i < 4; i++) { EXPECT_EQ(s.get_model()[0], l_False); } }
TEST(stp_test, set_num_threads_false) { SATSolver s; s.set_no_simplify_at_startup(); s.set_num_threads(5); s.new_vars(2); s.add_clause(str_to_cl("1,2")); s.add_clause(str_to_cl("1,-2")); s.add_clause(str_to_cl("-1,2")); s.add_clause(str_to_cl("-1,-2")); lbool ret = s.solve(); EXPECT_EQ(ret, l_False); }
TEST(xor_interface, xor_norm_mix_unsat_multi_thread) { SATSolver s; //s.set_num_threads(3); s.new_vars(3); s.add_clause(vector<Lit>{Lit(0, false)}); s.add_xor_clause(vector<uint32_t>{0U, 1U, 2U}, false); s.add_clause(vector<Lit>{Lit(1, false)}); s.add_clause(vector<Lit>{Lit(2, false)}); lbool ret = s.solve(); EXPECT_EQ( ret, l_False); EXPECT_EQ( s.nVars(), 3u); }
int main(int argc, const char* argv[]) { if (argc < 2) { std::cout << "Run: incremental-cryptominisat <varNumber> <timeLimit in seconds>" << std::endl; return 1; } int var_number = atoi(argv[1]); int time_limit = atoi(argv[2]); SolverConf conf; conf.maxTime = time_limit; SATSolver solver (conf, NULL); solver.new_vars(var_number); while (true) { std::string line; std::getline(std::cin, line); if (line == "solve") { lbool res = solver.solve(); if (res == l_True) { std::cout << "SAT" << std::endl; std::vector<lbool> model = solver.get_model(); std::cout << "v "; for (int i = 0; i < model.size(); i++) { std::cout << (model[i] == l_True ? "" : "-") << (i + 1) << " "; } std::cout << std::endl; } else if (res == l_False) { std::cout << "UNSAT" << std::endl; } else { std::cout << "UNKNOWN" << std::endl; } } else if (line == "halt") { break; } else { std::vector<Lit> lits; std::istringstream iss(line); do { std::string sub; iss >> sub; int literal = atoi(sub.c_str()); if (literal == 0) { break; } lits.push_back(Lit(abs(literal) - 1, literal < 0)); } while (iss); solver.add_clause(lits); } } return 0; }
TEST(xor_interface, unit3) { SATSolver s; s.new_vars(3); s.add_clause(str_to_cl("1")); s.add_clause(str_to_cl("-1, -2")); lbool ret = s.solve(); EXPECT_EQ( ret, l_True); vector<Lit> units = s.get_zero_assigned_lits(); EXPECT_EQ( units.size(), 2u); EXPECT_EQ( units[0], Lit(0, false)); EXPECT_EQ( units[1], Lit(1, true)); }
TEST(normal_interface, solve_multi_thread) { SATSolver s; s.set_num_threads(2); s.new_vars(2); s.add_clause(str_to_cl("1, 2")); lbool ret = s.solve(); EXPECT_EQ( ret, l_True); s.add_clause(str_to_cl("-1")); ret = s.solve(); EXPECT_EQ( ret, l_True); EXPECT_EQ(s.get_model()[0], l_False); EXPECT_EQ(s.get_model()[1], l_True); }
TEST(normal_interface, solve_multi_thread) { SATSolver s; s.set_num_threads(2); s.new_vars(2); s.add_clause(vector<Lit>{Lit(0, false), Lit(1, false)}); lbool ret = s.solve(); EXPECT_EQ( ret, l_True); s.add_clause(vector<Lit>{Lit(0, true)}); ret = s.solve(); EXPECT_EQ( ret, l_True); EXPECT_EQ(s.get_model()[0], l_False); EXPECT_EQ(s.get_model()[1], l_True); }
void add_clauses_for_simp_check(SATSolver& s) { s.new_vars(4); // 1 = 2 s.add_clause(str_to_cl("1, -2")); s.add_clause(str_to_cl("-1, 2")); // 3 = 4 s.add_clause(str_to_cl("3, -4")); s.add_clause(str_to_cl("-3, 4")); //no elimination s.add_clause(str_to_cl("3, 2")); s.add_clause(str_to_cl("4, 1")); }
TEST(xor_interface, abort_early) { SATSolver s; s.set_no_simplify(); s.set_no_equivalent_lit_replacement(); s.set_num_threads(2); s.set_max_confl(0); s.new_vars(2); s.add_clause(str_to_cl("1, 2")); s.add_clause(str_to_cl("1, -2")); s.add_clause(str_to_cl("-1, 2")); s.add_clause(str_to_cl("-1, -2")); lbool ret = s.solve(); EXPECT_EQ( ret, l_Undef); }
TEST(xor_interface, abort_early) { SATSolver s; s.set_no_simplify(); s.set_no_equivalent_lit_replacement(); s.set_num_threads(2); s.set_max_confl(0); s.new_vars(2); s.add_clause(vector<Lit>{Lit(0, false), Lit(1, false)}); s.add_clause(vector<Lit>{Lit(0, false), Lit(1, true)}); s.add_clause(vector<Lit>{Lit(0, true), Lit(1, false)}); s.add_clause(vector<Lit>{Lit(0, true), Lit(1, true)}); lbool ret = s.solve(); EXPECT_EQ( ret, l_Undef); }
TEST(normal_interface, logfile) { SATSolver* s = new SATSolver(); s->log_to_file("testfile"); s->new_vars(2); s->add_clause(str_to_cl("1, 2")); lbool ret = s->solve(); EXPECT_EQ( ret, l_True); delete s; std::ifstream infile("testfile"); std::string line; std::getline(infile, line); EXPECT_EQ(line, "c Solver::new_vars( 2 )"); std::getline(infile, line); EXPECT_EQ(line, "1 2 0"); std::getline(infile, line); EXPECT_EQ(line, "c Solver::solve( )"); }
TEST(xor_interface, xor_check_unsat_multi_solve_multi_thread) { SATSolver s; s.set_num_threads(3); s.new_vars(3); s.add_xor_clause(vector<uint32_t>{0U, 1U}, false); s.add_xor_clause(vector<uint32_t>{0U, 1U, 2U}, true); lbool ret = s.solve(); EXPECT_EQ( ret, l_True); EXPECT_EQ( s.nVars(), 3u); s.add_xor_clause(vector<uint32_t>{0U}, false); ret = s.solve(); EXPECT_EQ( ret, l_True); EXPECT_EQ( s.get_model()[0], l_False); EXPECT_EQ( s.get_model()[1], l_False); EXPECT_EQ( s.get_model()[2], l_True); EXPECT_EQ( s.nVars(), 3u); s.add_xor_clause(vector<uint32_t>{1U}, true); ret = s.solve(); EXPECT_EQ( ret, l_False); EXPECT_EQ( s.nVars(), 3u); }