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bv and gc of literals (#4692)

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* bv and gc of literals

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* overload

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* diseq

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* diseq

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-09-17 14:24:07 -07:00 • committed by GitHub
parent 2d52367368
commit 549753845e
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GPG key ID: 4AEE18F83AFDEB23
34 changed files with 1480 additions and 854 deletions
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9
src/sat/smt/euf_solver.h
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@ -49,8 +49,6 @@ namespace euf {
size_t to_index() const { return sat::constraint_base::mem2base(this); }
};
class solver : public sat::extension, public th_internalizer, public th_decompile {
typedef top_sort<euf::enode> deps_t;
friend class ackerman;
@ -194,10 +192,11 @@ namespace euf {
sat::sat_internalizer& get_si() { return si; }
ast_manager& get_manager() { return m; }
enode* get_enode(expr* e) { return m_egraph.find(e); }
sat::literal get_literal(expr* e) const { return literal(si.to_bool_var(e), false); }
sat::literal get_literal(enode* e) const { return get_literal(e->get_expr()); }
sat::literal expr2literal(expr* e) const { return literal(si.to_bool_var(e), false); }
sat::literal enode2literal(enode* e) const { return expr2literal(e->get_expr()); }
smt_params const& get_config() { return m_config; }
region& get_region() { return m_trail.get_region(); }
egraph& get_egraph() { return m_egraph; }
template <typename C>
void push(C const& c) { m_trail.push(c); }
euf_trail_stack& get_trail_stack() { return m_trail; }
@ -254,6 +253,8 @@ namespace euf {
void internalize(expr* e, bool learned) override;
void attach_th_var(enode* n, th_solver* th, theory_var v) { m_egraph.add_th_var(n, v, th->get_id()); }
void attach_node(euf::enode* n);
expr_ref mk_eq(expr* e1, expr* e2);
expr_ref mk_eq(euf::enode* n1, euf::enode* n2) { return mk_eq(n1->get_expr(), n2->get_expr()); }
euf::enode* mk_enode(expr* e, unsigned n, enode* const* args) { return m_egraph.mk(e, n, args); }
expr* bool_var2expr(sat::bool_var v) { return m_var2expr.get(v, nullptr); }
void unhandled_function(func_decl* f);