int main(int argc, char * argv[]) {
opensmt_init();
opensmt_context ctx = opensmt_mk_context(qf_nra);
opensmt_set_precision (ctx, 0.001);
opensmt_expr x = opensmt_mk_real_var(ctx, "x" , -3.141592, 3.141592);
opensmt_expr y = opensmt_mk_real_var(ctx, "y" , -3.141592, 3.141592);
opensmt_expr eq1 = opensmt_mk_eq(ctx, opensmt_mk_sin(ctx, x), opensmt_mk_cos(ctx, y));
opensmt_assert(ctx, eq1);
opensmt_result res = opensmt_check(ctx);
fprintf(stderr, "%s\n\n", res == l_false ? "unsat" : "sat");
if (res == l_true) {
double const x_lb = opensmt_get_lb(ctx, x);
double const x_ub = opensmt_get_ub(ctx, x);
fprintf(stderr, "x = [%f, %f]\n", x_lb, x_ub);
double const y_lb = opensmt_get_lb(ctx, y);
double const y_ub = opensmt_get_ub(ctx, y);
fprintf(stderr, "y = [%f, %f]\n", y_lb, y_ub);
}
opensmt_expr eq2 = opensmt_mk_eq(ctx, opensmt_mk_tan(ctx, x), opensmt_mk_sin(ctx, y));
opensmt_assert(ctx, eq2);
res = opensmt_check(ctx);
fprintf(stderr, "%s\n\n", res == l_false ? "unsat" : "sat");
if (res == l_true) {
double const x_lb = opensmt_get_lb(ctx, x);
double const x_ub = opensmt_get_ub(ctx, x);
fprintf(stderr, "x = [%f, %f]\n", x_lb, x_ub);
double const y_lb = opensmt_get_lb(ctx, y);
double const y_ub = opensmt_get_ub(ctx, y);
fprintf(stderr, "y = [%f, %f]\n", y_lb, y_ub);
}
opensmt_del_context(ctx);
return 0;
}
// Test Memory Leaks
int main(int argc, char * argv[]) {
int i = 0;
opensmt_init();
opensmt_context ctx = opensmt_mk_context(qf_nra);
opensmt_set_precision (ctx, 0.0000001);
opensmt_expr x = opensmt_mk_real_var(ctx, "a" , 0.0, 1.0);
opensmt_expr point1 = opensmt_mk_num(ctx, 0.1);
opensmt_expr point9 = opensmt_mk_num(ctx, 0.9);
opensmt_expr leq = opensmt_mk_leq(ctx, x, point1);
opensmt_expr geq = opensmt_mk_leq(ctx, x, point9);
opensmt_expr list[2] = {geq, leq};
opensmt_expr orr = opensmt_mk_or(ctx, list, 2);
opensmt_push(ctx);
opensmt_assert(ctx, orr);
opensmt_result res = opensmt_check( ctx );
/* printf( "%s\n\n", res == l_false ? "unsat" : "sat" ); */
/* fprintf(stderr, "=============\nbefore pop 2\n============\n"); */
opensmt_pop(ctx);
/* fprintf(stderr, "=============\nafter pop 2\n============\n"); */
opensmt_expr andd = opensmt_mk_and(ctx, list, 2);
opensmt_assert(ctx, andd);
opensmt_result res2 = opensmt_check( ctx );
/* fprintf( stderr, "6\n"); */
/* printf( "%s\n\n", res2 == l_false ? "unsat" : "sat" ); */
/* fprintf( stderr, "7\n"); */
opensmt_del_context(ctx);
return 0;
}
int main(int argc, char * argv[]) {
opensmt_init();
opensmt_context ctx = opensmt_mk_context(qf_nra);
opensmt_expr x = opensmt_mk_real_var(ctx, "x" , 0.0, 1.0);
opensmt_expr y = opensmt_mk_real_var(ctx, "y" , 0.0, 1.0);
opensmt_expr ite = opensmt_mk_ite(ctx, opensmt_mk_gt(ctx, x, opensmt_mk_num(ctx, 0.4)),
opensmt_mk_num(ctx, 0.3),
opensmt_mk_num(ctx, 0.4));
opensmt_expr eq = opensmt_mk_eq(ctx, y, ite);
opensmt_assert( ctx, eq);
opensmt_result res = opensmt_check(ctx);
fprintf(stderr, "%s\n\n", res == l_false ? "unsat" : "sat");
if (res == l_true) {
print_sol(ctx, x, y);
}
fprintf(stderr, "Deleting context\n");
opensmt_del_context(ctx);
return 0;
}
int main() {
opensmt_init();
opensmt_context ctx = opensmt_mk_context(qf_nra);
opensmt_set_precision (ctx, 0.001);
// Creating Exist Real variables
opensmt_expr x = opensmt_mk_real_var(ctx, "x" , 0, 8);
// Creating Forall Real variables
opensmt_expr y = opensmt_mk_forall_real_var(ctx, "y" , 0, 8.0);
// constants
opensmt_expr two = opensmt_mk_num(ctx, 2.0);
opensmt_expr five = opensmt_mk_num(ctx, 5.0);
opensmt_expr nine = opensmt_mk_num(ctx, 9.0);
// circle1 := (x-2)^2 + (y-2)^2 <= 9
opensmt_expr circle1 =
opensmt_mk_leq(ctx,
opensmt_mk_plus_2(ctx,
opensmt_mk_pow(ctx, opensmt_mk_minus(ctx, x, two), two),
opensmt_mk_pow(ctx, opensmt_mk_minus(ctx, y, two), two)),
nine);
// circle2 := (x-5)^2 + (y-5)^2 <= 9
opensmt_expr circle2 =
opensmt_mk_leq(ctx,
opensmt_mk_plus_2(ctx,
opensmt_mk_pow(ctx, opensmt_mk_minus(ctx, x, five), two),
opensmt_mk_pow(ctx, opensmt_mk_minus(ctx, y, five), two)),
nine);
opensmt_expr vars[] = {y};
opensmt_expr formula = opensmt_mk_forall(ctx, vars, 1,
opensmt_mk_or_2(ctx, circle1, circle2));
opensmt_assert(ctx, formula);
opensmt_result res = opensmt_check(ctx);
fprintf(stderr, "%s\n\n", res == l_false ? "unsat" : "sat");
if (res == l_true) {
print_sol(ctx, "x", x);
}
// Deleting context
fprintf(stderr, "Deleting context\n");
opensmt_del_context(ctx);
return 0;
}
