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 updates to cce

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-01-30 23:41:04 -08:00
parent 2d0f80f78e
commit 2739342aba
16 changed files with 248 additions and 254 deletions
Download patch file Download diff file Expand all files Collapse all files

32
src/sat/sat_solver.cpp
View file

@ -396,9 +396,9 @@ namespace sat {
bool solver::attach_ter_clause(clause & c) {
bool reinit = false;
m_watches[(~c[0]).index()].push_back(watched(c[1], c[2], c.is_learned()));
m_watches[(~c[1]).index()].push_back(watched(c[0], c[2], c.is_learned()));
m_watches[(~c[2]).index()].push_back(watched(c[0], c[1], c.is_learned()));
m_watches[(~c[0]).index()].push_back(watched(c[1], c[2]));
m_watches[(~c[1]).index()].push_back(watched(c[0], c[2]));
m_watches[(~c[2]).index()].push_back(watched(c[0], c[1]));
if (!at_base_lvl()) {
if (value(c[1]) == l_false && value(c[2]) == l_false) {
m_stats.m_ter_propagate++;
@ -482,17 +482,23 @@ namespace sat {
}
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);
if (c.is_learned() != learned)
c.set_learned(learned);
}
void solver::set_learned1(literal l1, literal l2, bool learned) {
for (watched& w : get_wlist(~l1)) {
if (w.is_binary_clause() && l2 == w.get_literal() && !w.is_learned()) {
w.set_learned(learned);
break;
}
}
}
void solver::set_learned(literal l1, literal l2, bool learned) {
set_learned1(l1, l2, learned);
set_learned1(l2, l1, learned);
}
/**
\brief Select a watch literal starting the search at the given position.
@ -1523,7 +1529,7 @@ namespace sat {
m_simplifier(false);
CASSERT("sat_simplify_bug", check_invariant());
CASSERT("sat_missed_prop", check_missed_propagation());
si.check_watches();
si.check_watches();
if (!m_learned.empty()) {
m_simplifier(true);
CASSERT("sat_missed_prop", check_missed_propagation());