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release nodes

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-08-30 20:09:27 -07:00
parent bbe027f6a1
commit a003af494b
15 changed files with 319 additions and 135 deletions
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15
src/sat/smt/euf_solver.h
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@ -57,7 +57,7 @@ namespace euf {
void reset() { memset(this, 0, sizeof(*this)); }
};
struct scope {
unsigned m_lit_lim;
unsigned m_var_lim;
unsigned m_trail_lim;
};
typedef ptr_vector<trail<solver> > trail_stack;
@ -79,12 +79,12 @@ namespace euf {
sat::sat_internalizer* m_to_si;
scoped_ptr<euf::ackerman> m_ackerman;
ptr_vector<euf::enode> m_lit2node;
ptr_vector<euf::enode> m_var2node;
ptr_vector<unsigned> m_explain;
euf::enode_vector m_args;
svector<sat::frame> m_stack;
unsigned m_num_scopes { 0 };
unsigned_vector m_lit_trail;
unsigned_vector m_var_trail;
svector<scope> m_scopes;
scoped_ptr_vector<sat::th_solver> m_solvers;
ptr_vector<sat::th_solver> m_id2solver;
@ -97,9 +97,14 @@ namespace euf {
unsigned * base_ptr() { return reinterpret_cast<unsigned*>(this); }
// internalization
bool m_is_redundant { false };
euf::enode* visit(expr* e);
void attach_bool_var(euf::enode* n);
void attach_node(euf::enode* n);
void attach_lit(sat::literal lit, euf::enode* n);
void add_distinct_axiom(app* e, euf::enode* const* args);
void add_not_distinct_axiom(app* e, euf::enode* const* args);
void axiomatize_basic(enode* n);
bool internalize_root(app* e, enode* const* args, bool sign);
euf::enode* mk_true();
euf::enode* mk_false();
@ -199,7 +204,7 @@ namespace euf {
std::function<void(unsigned sz, literal const* c, unsigned const* coeffs, unsigned k)>& pb) override;
bool to_formulas(std::function<expr_ref(sat::literal)>& l2e, expr_ref_vector& fmls) override;
sat::literal internalize(expr* e, bool sign, bool root) override;
sat::literal internalize(expr* e, bool sign, bool root, bool learned) override;
void update_model(model_ref& mdl);
func_decl_ref_vector const& unhandled_functions() { return m_unhandled_functions; }