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https://github.com/Z3Prover/z3
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66 lines
2 KiB
C++
66 lines
2 KiB
C++
#include "ast/reg_decl_plugins.h"
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#include "solver/solver_pool.h"
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#include "smt/smt_solver.h"
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#include <iostream>
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void tst_cube_clause() {
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ast_manager m;
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reg_decl_plugins(m);
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params_ref p;
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lbool r;
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ref<solver> solver = mk_smt_solver(m, p, symbol::null);
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expr_ref a(m.mk_const(symbol("a"), m.mk_bool_sort()), m);
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expr_ref b(m.mk_const(symbol("b"), m.mk_bool_sort()), m);
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expr_ref c(m.mk_const(symbol("c"), m.mk_bool_sort()), m);
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expr_ref d(m.mk_const(symbol("d"), m.mk_bool_sort()), m);
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expr_ref e(m.mk_const(symbol("e"), m.mk_bool_sort()), m);
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expr_ref f(m.mk_const(symbol("f"), m.mk_bool_sort()), m);
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expr_ref g(m.mk_const(symbol("g"), m.mk_bool_sort()), m);
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expr_ref fml(m);
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fml = m.mk_not(m.mk_and(a, b));
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solver->assert_expr(fml);
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fml = m.mk_not(m.mk_and(c, d));
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solver->assert_expr(fml);
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fml = m.mk_not(m.mk_and(e, f));
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solver->assert_expr(fml);
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expr_ref_vector cube(m), clause(m), core(m);
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r = solver->check_sat(cube);
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std::cout << r << "\n";
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cube.push_back(a);
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r = solver->check_sat(cube);
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std::cout << r << "\n";
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cube.push_back(c);
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cube.push_back(e);
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r = solver->check_sat(cube);
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std::cout << r << "\n";
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clause.push_back(b);
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vector<expr_ref_vector> clauses;
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clauses.push_back(clause);
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r = solver->check_sat_cc(cube, clauses);
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std::cout << r << "\n";
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core.reset();
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solver->get_unsat_core(core);
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std::cout << core << "\n";
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clause.push_back(d);
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clauses.reset();
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clauses.push_back(clause);
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r = solver->check_sat_cc(cube, clauses);
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std::cout << r << "\n";
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core.reset();
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solver->get_unsat_core(core);
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std::cout << core << "\n";
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clause.push_back(f);
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clauses.reset();
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clauses.push_back(clause);
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r = solver->check_sat_cc(cube, clauses);
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std::cout << r << "\n";
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core.reset();
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solver->get_unsat_core(core);
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std::cout << core << "\n";
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clause.push_back(g);
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clauses.reset();
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clauses.push_back(clause);
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r = solver->check_sat_cc(cube, clauses);
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std::cout << r << "\n";
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}
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