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#5454

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This commit is contained in:
Nikolaj Bjorner 2021-08-11 17:06:42 -07:00
parent fde8808a40
commit 46107022f7
1 changed files with 4 additions and 3 deletions
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7
src/sat/sat_solver.cpp
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@ -2225,6 +2225,7 @@ namespace sat {
bool solver::should_restart() const { bool solver::should_restart() const {
if (m_conflicts_since_restart <= m_restart_threshold) return false; if (m_conflicts_since_restart <= m_restart_threshold) return false;
if (scope_lvl() < 2 + search_lvl()) return false; if (scope_lvl() < 2 + search_lvl()) return false;
if (m_case_split_queue.empty()) return false;
if (m_config.m_restart != RS_EMA) return true; if (m_config.m_restart != RS_EMA) return true;
return return
m_fast_glue_avg + search_lvl() <= scope_lvl() && m_fast_glue_avg + search_lvl() <= scope_lvl() &&
@ -2315,9 +2316,9 @@ namespace sat {
} }
unsigned solver::restart_level(bool to_base) { unsigned solver::restart_level(bool to_base) {
if (to_base || scope_lvl() == search_lvl()) { SASSERT(!m_case_split_queue.empty());
return scope_lvl() - search_lvl(); if (to_base || scope_lvl() == search_lvl())
} return scope_lvl() - search_lvl();
else { else {
bool_var next = m_case_split_queue.min_var(); bool_var next = m_case_split_queue.min_var();