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remove justified vars

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2021-11-18 15:43:39 -08:00
parent a5fdf6ba8a
commit 1dcb7e6f6a
4 changed files with 71 additions and 25 deletions
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14
src/math/polysat/solver.h
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@ -44,6 +44,7 @@ namespace polysat {
unsigned m_num_propagations;
unsigned m_num_conflicts;
unsigned m_num_bailouts;
unsigned m_num_restarts;
void reset() { memset(this, 0, sizeof(*this)); }
stats() { reset(); }
};
@ -140,6 +141,7 @@ namespace polysat {
void del_var();
dd::pdd_manager& sz2pdd(unsigned sz);
dd::pdd_manager& var2pdd(pvar v);
void push_level();
void pop_levels(unsigned num_levels);
@ -195,10 +197,20 @@ namespace polysat {
void revert_bool_decision(sat::literal lit);
void report_unsat();
void learn_lemma(pvar v, clause& lemma);
void learn_lemma(clause& lemma);
void backjump(unsigned new_level);
void add_lemma(clause& lemma);
bool should_simplify();
void simplify();
unsigned m_conflicts_at_restart = 0;
unsigned m_restart_threshold = UINT_MAX;
unsigned m_restart_init = 100;
unsigned m_luby_idx = 0;
bool should_restart();
void restart();
signed_constraint lit2cnstr(sat::literal lit) const { return m_constraints.lookup(lit); }
void assert_constraint(signed_constraint c, unsigned dep);
static void insert_constraint(signed_constraints& cs, signed_constraint c);