예제 #1
0
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);
}
예제 #2
0
TEST(xor_interface, xor_check_sat_solution)
{
    SATSolver s;
    s.new_var();
    s.add_xor_clause(vector<unsigned>{0U}, false);
    s.add_xor_clause(vector<unsigned>{0U}, true);
    lbool ret = s.solve();
    EXPECT_EQ( ret, l_False);
    for(size_t i = 0;i < 10; i++) {
        ret = s.solve();
        EXPECT_EQ( ret, l_False);
    }
    EXPECT_EQ( s.nVars(), 1u);
}
예제 #3
0
TEST(xor_interface, xor_3_long2)
{
    SATSolver s;
    s.new_var();
    s.new_var();
    s.new_var();
    s.add_xor_clause(vector<uint32_t>{0U, 1U, 2U}, false);
    s.add_xor_clause(vector<uint32_t>{0U}, true);
    s.add_xor_clause(vector<uint32_t>{1U}, true);
    lbool ret = s.solve();
    EXPECT_EQ( ret, l_True);
    EXPECT_EQ(s.get_model()[0], l_True);
    EXPECT_EQ(s.get_model()[1], l_True);
    EXPECT_EQ(s.get_model()[2], l_False);
    EXPECT_EQ( s.nVars(), 3u);
}
예제 #4
0
TEST(xor_interface, xor_check_solution_values3)
{
    SATSolver s;
    s.new_var();
    s.new_var();
    s.add_xor_clause(vector<uint32_t>{0U, 0U}, true);
    lbool ret = s.solve();
    EXPECT_EQ( ret, l_False);
}
예제 #5
0
TEST(xor_interface, xor_very_long)
{
    SATSolver s;
    vector<uint32_t> vars;
    for(unsigned i = 0; i < 30; i++) {
        s.new_var();
        vars.push_back(i);
    }
    s.add_xor_clause(vars, false);
    for(unsigned i = 0; i < 29; i++) {
        s.add_xor_clause(vector<uint32_t>{i}, false);
    }
    lbool ret = s.solve();
    EXPECT_EQ( ret, l_True);
    for(unsigned i = 0; i < 30; i++) {
        EXPECT_EQ(s.get_model()[i], l_False);
    }
    EXPECT_EQ( s.nVars(), 30u);
}
예제 #6
0
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);
}
예제 #7
0
TEST(xor_interface, xor_very_long2)
{
    for(size_t num = 3; num < 30; num++) {
        SATSolver s;
        vector<uint32_t> vars;
        for(unsigned i = 0; i < num; i++) {
            s.new_var();
            vars.push_back(i);
        }
        s.add_xor_clause(vars, true);
        for(unsigned i = 0; i < num-1; i++) {
            s.add_xor_clause(vector<uint32_t>{i}, false);
        }
        lbool ret = s.solve();
        EXPECT_EQ( ret, l_True);
        for(unsigned i = 0; i < num-1; i++) {
            EXPECT_EQ(s.get_model()[i], l_False);
        }
        EXPECT_EQ(s.get_model()[num-1], l_True);
        EXPECT_EQ( s.nVars(), num);
    }
}
예제 #8
0
TEST(xor_interface, xor_check_solution_values6)
{
    SATSolver s;
    s.new_var();
    s.new_var();
    s.add_xor_clause(vector<uint32_t>{0U, 1U}, false);
    vector<Lit> assump = {Lit(0, true)};
    lbool ret = s.solve(&assump);
    EXPECT_EQ( ret, l_True);
    EXPECT_EQ(s.get_model()[0], l_False);
    EXPECT_EQ(s.get_model()[1], l_False);
    EXPECT_EQ( s.nVars(), 2u);
}
예제 #9
0
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);
}
예제 #10
0
TEST(xor_interface, xor_check_solution_values)
{
    SATSolver s;
    s.new_var();
    s.add_xor_clause(vector<uint32_t>{0U}, true);
    s.add_xor_clause(vector<uint32_t>{0U}, true);
    lbool ret = s.solve();
    EXPECT_EQ( ret, l_True);
    for(size_t i = 0;i < 10; i++) {
        ret = s.solve();
        EXPECT_EQ( ret, l_True);
        EXPECT_EQ( s.okay(), true);
    }
    EXPECT_EQ( s.nVars(), 1u);
}