mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-08-19 09:40:20 +00:00
Code Activity

wip - features and bug-fixes to proof logging

Browse source
This commit is contained in:
Nikolaj Bjorner 2022-10-18 07:54:49 -07:00
parent 3bf1b606df
commit 7b3a634b8d
11 changed files with 45 additions and 43 deletions
Download patch file Download diff file Expand all files Collapse all files

14
src/sat/sat_solver.cpp
View file

@ -432,15 +432,17 @@ namespace sat {
m_mc.add_clause(num_lits, lits);
}
switch (num_lits) {
case 0:
set_conflict();
return nullptr;
case 1:
if (!logged && m_config.m_drat && (!st.is_sat() || st.is_input()))
if (!logged && m_config.m_drat)
drat_log_clause(num_lits, lits, st);
assign_unit(lits[0]);
{
flet<bool> _disable_drat(m_config.m_drat, false);
assign(lits[0], justification(0));
}
return nullptr;
case 2:
mk_bin_clause(lits[0], lits[1], st);
@ -460,6 +462,9 @@ namespace sat {
bool redundant = st.is_redundant();
m_touched[l1.var()] = m_touch_index;
m_touched[l2.var()] = m_touch_index;
if (m_config.m_drat)
m_drat.add(l1, l2, st);
if (redundant && !m_trim && find_binary_watch(get_wlist(~l1), ~l2) && value(l1) == l_undef) {
assign_unit(l1);
@ -484,8 +489,7 @@ namespace sat {
push_reinit_stack(l1, l2);
return;
}
if (m_config.m_drat)
m_drat.add(l1, l2, st);
if (propagate_bin_clause(l1, l2)) {
if (!at_base_lvl())
push_reinit_stack(l1, l2);