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add unsat core, activity, quick pass for viable

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This commit is contained in:
Nikolaj Bjorner 2021-11-24 13:23:28 +01:00
parent b82c3cfd33
commit caef8d026f
6 changed files with 91 additions and 43 deletions
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9
src/math/polysat/solver.h
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@ -189,6 +189,13 @@ namespace polysat {
void revert_decision(pvar v);
void revert_bool_decision(sat::literal lit);
// activity of variables based on standard VSIDS
unsigned m_activity_inc = 128;
unsigned m_variable_decay = 110;
void inc_activity(pvar v);
void decay_activity();
void rescale_activity();
void report_unsat();
void learn_lemma(clause& lemma);
void backjump(unsigned new_level);
@ -198,7 +205,7 @@ namespace polysat {
void simplify();
unsigned m_conflicts_at_restart = 0;
unsigned m_restart_threshold = UINT_MAX;
unsigned m_restart_threshold = 100;
unsigned m_restart_init = 100;
unsigned m_luby_idx = 0;
bool should_restart();