mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-04-23 17:15:31 +00:00
Code Activity

fix bugs in doc

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2014-09-22 03:22:26 -07:00
parent 8c34cfca31
commit 75b11d2b75
4 changed files with 102 additions and 15 deletions
Download patch file Download diff file Expand all files Collapse all files

87
src/test/doc.cpp
View file

@ -113,6 +113,47 @@ class test_doc_cls {
default : return BIT_x;
}
}
tbv* mk_rand_tbv() {
tbv* result = dm.tbvm().allocate();
for (unsigned i = 0; i < dm.num_tbits(); ++i) {
(*result).set(i, choose_tbit());
}
return result;
}
tbv* mk_rand_tbv(tbv const& pos) {
tbv* result = dm.tbvm().allocate();
for (unsigned i = 0; i < dm.num_tbits(); ++i) {
if (pos[i] == BIT_x) {
(*result).set(i, choose_tbit());
}
else {
(*result).set(i, pos[i]);
}
}
return result;
}
doc* mk_rand_doc(unsigned num_diff) {
tbv_ref t(dm.tbvm());
t = mk_rand_tbv();
doc* result = dm.allocate(*t);
SASSERT(dm.tbvm().equals(*t, result->pos()));
for (unsigned i = 0; i < num_diff; ++i) {
result->neg().push_back(mk_rand_tbv(result->pos()));
}
SASSERT(dm.well_formed(*result));
return result;
}
void mk_rand_udoc(unsigned num_elems, unsigned num_diff, udoc& result) {
result.reset(dm);
for (unsigned i = 0; i < num_elems; ++i) {
result.push_back(mk_rand_doc(num_diff));
}
}
expr_ref mk_conj(tbv& t) {
expr_ref result(m);
expr_ref_vector conjs(m);
@ -284,6 +325,12 @@ class test_doc_cls {
fml = m.mk_not(m.mk_eq(fml1, fml2));
solver.assert_expr(fml);
lbool res = solver.check();
if (res != l_false) {
TRACE("doc",
tout << mk_pp(fml1, m) << "\n";
tout << mk_pp(fml2, m) << "\n";
);
}
SASSERT(res == l_false);
}
@ -349,6 +396,43 @@ public:
ds2.reset(dm);
//sub:{xxx \ {1x0, 0x1}}
//result:{100}
for (unsigned i = 0; i < 1000; ++i) {
udoc d1, d2;
mk_rand_udoc(3, 3, d1);
mk_rand_udoc(3, 3, d2);
fml1 = to_formula(d1, dm, to_delete.c_ptr());
fml2 = to_formula(d2, dm, to_delete.c_ptr());
d1.subtract(dm, d2);
fml3 = to_formula(d1, dm, to_delete.c_ptr());
fml1 = m.mk_and(fml1, m.mk_not(fml2));
check_equiv(fml1, fml3);
d1.reset(dm);
d2.reset(dm);
}
}
void test_intersect() {
expr_ref fml1(m), fml2(m), fml3(m);
svector<bool> to_delete(m_vars.size(), false);
for (unsigned i = 0; i < 10000; ++i) {
udoc d1, d2;
mk_rand_udoc(3, 3, d1);
mk_rand_udoc(3, 3, d2);
fml1 = to_formula(d1, dm, to_delete.c_ptr());
fml2 = to_formula(d2, dm, to_delete.c_ptr());
TRACE("doc",
d1.display(dm, tout) << "\n";
d2.display(dm, tout) << "\n";);
d1.intersect(dm, d2);
TRACE("doc", d1.display(dm, tout) << "\n";);
SASSERT(d1.well_formed(dm));
fml3 = to_formula(d1, dm, to_delete.c_ptr());
fml1 = m.mk_and(fml1, fml2);
check_equiv(fml1, fml3);
d1.reset(dm);
d2.reset(dm);
}
}
};
@ -356,7 +440,8 @@ public:
void tst_doc() {
test_doc_cls tp(4);
test_doc_cls tp(4);
tp.test_intersect();
tp.test_subtract();
tp.test_merge(200,7);
tp.test_project(200,7);