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move arithmetical mbp functionality to model_based_opt

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2016-06-26 14:30:35 -07:00
parent 628a6378c2
commit 7fc294d329
8 changed files with 909 additions and 849 deletions
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148
src/test/qe_arith.cpp
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@ -438,10 +438,158 @@ static void check_random_ineqs() {
}
}
static void test_project() {
ast_manager m;
reg_decl_plugins(m);
qe::arith_project_plugin plugin(m);
arith_util a(m);
app_ref_vector vars(m);
expr_ref_vector lits(m), ds(m);
model mdl(m);
app_ref x(m), y(m), z(m), u(m);
x = m.mk_const(symbol("x"), a.mk_int());
y = m.mk_const(symbol("y"), a.mk_int());
z = m.mk_const(symbol("z"), a.mk_int());
u = m.mk_const(symbol("u"), a.mk_int());
func_decl_ref f(m);
sort* int_sort = a.mk_int();
f = m.mk_func_decl(symbol("f"), 1, &int_sort, int_sort);
// test non-projection
mdl.register_decl(x->get_decl(), a.mk_int(0));
mdl.register_decl(y->get_decl(), a.mk_int(1));
mdl.register_decl(z->get_decl(), a.mk_int(2));
mdl.register_decl(u->get_decl(), a.mk_int(3));
func_interp* fi = alloc(func_interp, m, 1);
expr_ref_vector nums(m);
nums.push_back(a.mk_int(0));
nums.push_back(a.mk_int(1));
nums.push_back(a.mk_int(2));
fi->insert_new_entry(nums.c_ptr(), a.mk_int(1));
fi->insert_new_entry(nums.c_ptr()+1, a.mk_int(2));
fi->insert_new_entry(nums.c_ptr()+2, a.mk_int(3));
fi->set_else(a.mk_int(10));
mdl.register_decl(f, fi);
vars.reset();
lits.reset();
vars.push_back(x);
lits.push_back(x <= app_ref(m.mk_app(f, (expr*)x), m));
lits.push_back(x < y);
plugin(mdl, vars, lits);
std::cout << lits << "\n";
// test not-equals
vars.reset();
lits.reset();
vars.push_back(x);
lits.push_back(m.mk_not(m.mk_eq(x, y)));
plugin(mdl, vars, lits);
std::cout << lits << "\n";
// test negation of distinct using bound variables
mdl.register_decl(x->get_decl(), a.mk_int(0));
mdl.register_decl(y->get_decl(), a.mk_int(1));
mdl.register_decl(z->get_decl(), a.mk_int(0));
mdl.register_decl(u->get_decl(), a.mk_int(6));
vars.reset();
lits.reset();
ds.reset();
vars.push_back(x);
vars.push_back(y);
ds.push_back(x);
ds.push_back(y);
ds.push_back(z + 2);
ds.push_back(u);
ds.push_back(z);
lits.push_back(m.mk_not(m.mk_distinct(ds.size(), ds.c_ptr())));
plugin(mdl, vars, lits);
std::cout << lits << "\n";
// test negation of distinct, not using bound variables
mdl.register_decl(x->get_decl(), a.mk_int(0));
mdl.register_decl(y->get_decl(), a.mk_int(1));
mdl.register_decl(z->get_decl(), a.mk_int(0));
mdl.register_decl(u->get_decl(), a.mk_int(6));
vars.reset();
lits.reset();
ds.reset();
vars.push_back(x);
vars.push_back(y);
ds.push_back(x);
ds.push_back(y);
ds.push_back(z + 2);
ds.push_back(u);
ds.push_back(z + 10);
ds.push_back(u + 4);
lits.push_back(m.mk_not(m.mk_distinct(ds.size(), ds.c_ptr())));
plugin(mdl, vars, lits);
std::cout << lits << "\n";
// test distinct
mdl.register_decl(x->get_decl(), a.mk_int(0));
mdl.register_decl(y->get_decl(), a.mk_int(1));
mdl.register_decl(z->get_decl(), a.mk_int(0));
mdl.register_decl(u->get_decl(), a.mk_int(6));
vars.reset();
lits.reset();
ds.reset();
vars.push_back(x);
vars.push_back(y);
ds.push_back(x);
ds.push_back(y);
ds.push_back(z + 2);
ds.push_back(u);
lits.push_back(m.mk_distinct(ds.size(), ds.c_ptr()));
plugin(mdl, vars, lits);
std::cout << lits << "\n";
// equality over modulus
mdl.register_decl(y->get_decl(), a.mk_int(4));
mdl.register_decl(z->get_decl(), a.mk_int(8));
lits.reset();
vars.reset();
vars.push_back(y);
lits.push_back(m.mk_eq(a.mk_mod(y, a.mk_int(3)), a.mk_int(1)));
lits.push_back(m.mk_eq(2*y, z));
plugin(mdl, vars, lits);
std::cout << lits << "\n";
// inequality test
mdl.register_decl(x->get_decl(), a.mk_int(0));
mdl.register_decl(y->get_decl(), a.mk_int(1));
mdl.register_decl(z->get_decl(), a.mk_int(0));
mdl.register_decl(u->get_decl(), a.mk_int(6));
vars.reset();
lits.reset();
vars.push_back(x);
vars.push_back(y);
lits.push_back(z <= (x + (2*y)));
lits.push_back(2*x < u + 3);
lits.push_back(2*y <= u);
plugin(mdl, vars, lits);
std::cout << lits << "\n";
// non-unit equalities
mdl.register_decl(x->get_decl(), a.mk_int(1));
mdl.register_decl(z->get_decl(), a.mk_int(2));
mdl.register_decl(u->get_decl(), a.mk_int(3));
mdl.register_decl(y->get_decl(), a.mk_int(4));
lits.reset();
vars.reset();
vars.push_back(x);
lits.push_back(m.mk_eq(2*x, z));
lits.push_back(m.mk_eq(3*x, u));
plugin(mdl, vars, lits);
std::cout << lits << "\n";
}
void tst_qe_arith() {
test_project();
return;
check_random_ineqs();
return;
// enable_trace("qe");