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cube and clause

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-05-28 11:29:36 -07:00 • committed by Arie Gurfinkel
parent ea032b56c0
commit 005a6d93bb
6 changed files with 119 additions and 15 deletions
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1
src/test/CMakeLists.txt
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@ -24,6 +24,7 @@ add_executable(test-z3
chashtable.cpp
check_assumptions.cpp
cnf_backbones.cpp
cube_clause.cpp
datalog_parser.cpp
ddnf.cpp
diff_logic.cpp

58
src/test/cube_clause.cpp Normal file
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@ -0,0 +1,58 @@
#include "ast/reg_decl_plugins.h"
#include "solver/solver_pool.h"
#include "smt/smt_solver.h"
void tst_cube_clause() {
ast_manager m;
reg_decl_plugins(m);
params_ref p;
lbool r;
ref<solver> solver = mk_smt_solver(m, p, symbol::null);
expr_ref a(m.mk_const(symbol("a"), m.mk_bool_sort()), m);
expr_ref b(m.mk_const(symbol("b"), m.mk_bool_sort()), m);
expr_ref c(m.mk_const(symbol("c"), m.mk_bool_sort()), m);
expr_ref d(m.mk_const(symbol("d"), m.mk_bool_sort()), m);
expr_ref e(m.mk_const(symbol("e"), m.mk_bool_sort()), m);
expr_ref f(m.mk_const(symbol("f"), m.mk_bool_sort()), m);
expr_ref g(m.mk_const(symbol("g"), m.mk_bool_sort()), m);
expr_ref fml(m);
fml = m.mk_not(m.mk_and(a, b));
solver->assert_expr(fml);
fml = m.mk_not(m.mk_and(c, d));
solver->assert_expr(fml);
fml = m.mk_not(m.mk_and(e, f));
solver->assert_expr(fml);
expr_ref_vector cube(m), clause(m), core(m);
r = solver->check_sat(cube);
std::cout << r << "\n";
cube.push_back(a);
r = solver->check_sat(cube);
std::cout << r << "\n";
cube.push_back(c);
cube.push_back(e);
r = solver->check_sat(cube);
std::cout << r << "\n";
clause.push_back(b);
r = solver->check_sat(cube, clause);
std::cout << r << "\n";
core.reset();
solver->get_unsat_core(core);
std::cout << core << "\n";
clause.push_back(d);
r = solver->check_sat(cube, clause);
std::cout << r << "\n";
core.reset();
solver->get_unsat_core(core);
std::cout << core << "\n";
clause.push_back(f);
r = solver->check_sat(cube, clause);
std::cout << r << "\n";
core.reset();
solver->get_unsat_core(core);
std::cout << core << "\n";
clause.push_back(g);
r = solver->check_sat(cube, clause);
std::cout << r << "\n";
}

1
src/test/main.cpp
View file

@ -172,6 +172,7 @@ int main(int argc, char ** argv) {
TST(var_subst);
TST(simple_parser);
TST(api);
TST(cube_clause);
TST(old_interval);
TST(get_implied_equalities);
TST(arith_simplifier_plugin);