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ensure that bca takes also lemmas into account

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-10-27 15:40:25 -07:00
parent 0919fd4075
commit 829c140087
21 changed files with 384 additions and 149 deletions
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15
src/sat/sat_solver.h
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@ -366,6 +366,7 @@ namespace sat {
model_converter const & get_model_converter() const { return m_mc; }
void set_model(model const& mdl);
char const* get_reason_unknown() const { return m_reason_unknown.c_str(); }
bool check_clauses(model const& m) const;
literal select_lookahead(literal_vector const& assumptions, bool_var_vector const& vars);
lbool cube(bool_var_vector const& vars, literal_vector& lits);
@ -442,6 +443,20 @@ namespace sat {
justification const & jst = m_justification[l0.var()];
return !jst.is_clause() || m_cls_allocator.get_clause(jst.get_clause_offset()) != &c;
}
clause& get_clause(watch_list::iterator it) const {
SASSERT(it->get_kind() == watched::CLAUSE);
return get_clause(it->get_clause_offset());
}
clause& get_clause(justification const& j) const {
SASSERT(j.is_clause());
return get_clause(j.get_clause_offset());
}
clause& get_clause(clause_offset cls_off) const {
return *(m_cls_allocator.get_clause(cls_off));
}
// -----------------------
//