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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-09-03 07:16:59 -07:00
parent d83d0a83d6
commit aa66be9406
9 changed files with 428 additions and 87 deletions
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16
src/sat/smt/sat_th.h
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@ -19,12 +19,23 @@ Author:
#include "util/top_sort.h"
#include "sat/smt/sat_smt.h"
#include "ast/euf/euf_egraph.h"
#include "smt/params/smt_params.h"
namespace euf {
class solver;
class th_internalizer {
protected:
euf::enode_vector m_args;
svector<sat::eframe> m_stack;
bool m_is_redundant { false };
bool visit_rec(ast_manager& m, expr* e, bool sign, bool root, bool redundant);
virtual bool visit(expr* e) { return false; }
virtual bool visited(expr* e) { return false; }
virtual bool post_visit(expr* e, bool sign, bool root) { return false; }
public:
virtual ~th_internalizer() {}
@ -91,11 +102,16 @@ namespace euf {
solver & ctx;
euf::enode_vector m_var2enode;
unsigned_vector m_var2enode_lim;
smt_params const& get_config() const;
sat::literal get_literal(expr* e) const;
region& get_region();
public:
th_euf_solver(euf::solver& ctx, euf::theory_id id);
virtual ~th_euf_solver() {}
virtual theory_var mk_var(enode * n);
unsigned get_num_vars() const { return m_var2enode.size();}
enode* get_enode(expr* e) const;
enode* get_enode(theory_var v) const { return m_var2enode[v]; }
expr* get_expr(theory_var v) const { return get_enode(v)->get_owner(); }
theory_var get_th_var(enode* n) const { return n->get_th_var(get_id()); }