mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-11-05 13:56:03 +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

6
src/muz/rel/doc.cpp
View file

@ -109,7 +109,7 @@ doc& doc_manager::fillX(doc& src) {
bool doc_manager::set_and(doc& dst, doc const& src) {
// (A \ B) & (C \ D) = (A & C) \ (B u D)
if (!m.set_and(dst.pos(), src.pos())) return false;
dst.neg().intersect(m, src.pos());
dst.neg().intersect(m, dst.pos());
tbv_ref t(m);
for (unsigned i = 0; i < src.neg().size(); ++i) {
t = m.allocate(src.neg()[i]);
@ -117,6 +117,7 @@ bool doc_manager::set_and(doc& dst, doc const& src) {
dst.neg().insert(m, t.detach());
}
}
SASSERT(well_formed(dst));
return (src.neg().is_empty() || fold_neg(dst));
}
bool doc_manager::set_and(doc& dst, tbv const& src) {
@ -150,11 +151,12 @@ bool doc_manager::fold_neg(doc& dst) {
}
else { // count == 1:
dst.pos().set(index, neg(dst.neg()[i][index]));
dst.neg().erase(tbvm(), i);
dst.neg().intersect(tbvm(), dst.pos());
goto start_over;
}
}
}
SASSERT(well_formed(dst));
return true;
}