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Lookahead clause size optimization. Fixed some missing propagations

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This commit is contained in:
Miguel Neves 2017-10-17 13:15:34 -07:00
parent 4394ce96ae
commit 806690571e
2 changed files with 117 additions and 53 deletions
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6
src/sat/sat_lookahead.h
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@ -90,7 +90,7 @@ namespace sat {
m_min_cutoff = 30;
m_preselect = false;
m_level_cand = 600;
m_delta_rho = (double)0.25;
m_delta_rho = (double)0.85;
m_dl_max_iterations = 2;
m_tc1_limit = 10000000;
m_reward_type = ternary_reward;
@ -340,6 +340,8 @@ namespace sat {
std::ostream& display_candidates(std::ostream& out) const;
bool is_unsat() const;
bool is_sat() const;
bool missed_propagation() const;
bool missed_conflict() const;
void init_pre_selection(unsigned level);
void ensure_H(unsigned level);
void h_scores(svector<double>& h, svector<double>& hp);
@ -503,7 +505,7 @@ namespace sat {
unsigned do_double(literal l, unsigned& base);
unsigned double_look(literal l, unsigned& base);
void set_conflict() { TRACE("sat", tout << "conflict\n";); m_inconsistent = true; }
bool inconsistent() { return m_inconsistent; }
bool inconsistent() const { return m_inconsistent; }
unsigned scope_lvl() const { return m_trail_lim.size(); }