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z3/src/muz/spacer/spacer_dl_interface.h
2018-06-14 16:08:48 -07:00

93 lines
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C++

/*++
Copyright (c) 2017 Microsoft Corporation and Arie Gurfinkel
Module Name:
spacer_dl_interface.h
Abstract:
SMT2 interface for the datalog SPACER
Author:
Revision History:
--*/
#ifndef _SPACER_DL_INTERFACE_H_
#define _SPACER_DL_INTERFACE_H_
#include "util/lbool.h"
#include "muz/base/dl_rule.h"
#include "muz/base/dl_rule_set.h"
#include "muz/base/dl_engine_base.h"
#include "util/statistics.h"
namespace datalog {
class context;
}
namespace spacer {
class context;
class dl_interface : public datalog::engine_base {
datalog::context& m_ctx;
datalog::rule_set m_spacer_rules;
datalog::rule_set m_old_rules;
context* m_context;
obj_map<func_decl, func_decl*> m_pred2slice;
ast_ref_vector m_refs;
void check_reset();
public:
dl_interface(datalog::context& ctx);
~dl_interface() override;
lbool query(expr* query) override;
lbool query_from_lvl(expr* query, unsigned lvl) override;
void display_certificate(std::ostream& out) const override;
void collect_statistics(statistics& st) const override;
void reset_statistics() override;
expr_ref get_answer() override;
expr_ref get_ground_sat_answer() override;
void get_rules_along_trace(datalog::rule_ref_vector& rules) override;
unsigned get_num_levels(func_decl* pred) override;
expr_ref get_cover_delta(int level, func_decl* pred) override;
void add_cover(int level, func_decl* pred, expr* property) override;
void add_invariant(func_decl* pred, expr* property) override;
expr_ref get_reachable(func_decl *pred) override;
void updt_params() override;
model_ref get_model() override;
proof_ref get_proof() override;
void add_callback(void *state,
const datalog::t_new_lemma_eh new_lemma_eh,
const datalog::t_predecessor_eh predecessor_eh,
const datalog::t_unfold_eh unfold_eh) override;
void add_constraint (expr *c, unsigned lvl) override;
};
}
#endif