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resurrect Booelan decisions to deal with quot-rem and similar axioms

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2022-01-27 14:26:41 -08:00
parent be790b8892
commit ff4b471f93
4 changed files with 30 additions and 21 deletions
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src/math/polysat/boolean.h
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@ -74,6 +74,7 @@ namespace polysat {
unsigned_vector& activity() { return m_activity; }
bool can_decide() const { return !m_free_vars.empty(); }
sat::bool_var next_var() { return m_free_vars.next_var(); }
void track_var(sat::literal lit) { m_free_vars.mk_var_eh(lit.var()); }
// TODO connect activity updates with solver
void inc_activity(sat::literal lit) { m_activity[lit.var()]++; }
@ -82,6 +83,8 @@ namespace polysat {
/// Set the given literal to true
void propagate(sat::literal lit, unsigned lvl, clause& reason);
void decide(sat::literal lit, unsigned lvl, clause& lemma);
void decide(sat::literal lit, unsigned lvl);
void eval(sat::literal lit, unsigned lvl);
void asserted(sat::literal lit, unsigned lvl, dependency dep);
void unassign(sat::literal lit);