mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-10-10 17:58:06 +00:00
Code Activity

fix learned annotation on ternary

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-01-30 03:31:28 -08:00
parent 5a2b072ddf
commit ede12553f2
6 changed files with 56 additions and 19 deletions
Download patch file Download diff file Expand all files Collapse all files

17
src/sat/sat_solver.cpp
View file

@ -336,13 +336,13 @@ namespace sat {
watched* w0 = find_binary_watch(get_wlist(~l1), l2);
if (w0) {
if (w0->is_learned() && !learned) {
w0->set_not_learned();
w0->set_learned(false);
}
w0 = find_binary_watch(get_wlist(~l2), l1);
}
if (w0) {
if (w0->is_learned() && !learned) {
w0->set_not_learned();
w0->set_learned(false);
}
return;
}
@ -481,6 +481,19 @@ namespace sat {
reinit = attach_nary_clause(c);
}
void solver::set_learned(clause& c, bool learned) {
if (c.is_learned() == learned)
return;
if (c.size() == 3) {
set_ternary_learned(get_wlist(~c[0]), c[1], c[2], learned);
set_ternary_learned(get_wlist(~c[1]), c[0], c[2], learned);
set_ternary_learned(get_wlist(~c[2]), c[0], c[1], learned);
}
c.set_learned(learned);
}
/**
\brief Select a watch literal starting the search at the given position.
This method is only used for clauses created during the search.