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z3/src/muz_qe/dl_mk_quantifier_abstraction.h
Nikolaj Bjorner 8f46179def reorganization of rule_set structure
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-04-08 13:50:56 -07:00

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C++

/*++
Copyright (c) 2013 Microsoft Corporation
Module Name:
dl_mk_quantifier_abstraction.h
Abstract:
Convert clauses with array arguments to predicates
into Quantified Horn clauses.
Author:
Ken McMillan
Andrey Rybalchenko
Nikolaj Bjorner (nbjorner) 2013-04-02
Revision History:
Based on approach suggested in SAS 2013 paper
"On Solving Universally Quantified Horn Clauses"
--*/
#ifndef _DL_MK_QUANTIFIER_ABSTRACTION_H_
#define _DL_MK_QUANTIFIER_ABSTRACTION_H_
#include"dl_rule_transformer.h"
#include"array_decl_plugin.h"
namespace datalog {
class context;
class mk_quantifier_abstraction : public rule_transformer::plugin {
class qa_model_converter;
ast_manager& m;
context& m_ctx;
array_util a;
func_decl_ref_vector m_refs;
obj_map<func_decl, func_decl*> m_new2old;
obj_map<func_decl, func_decl*> m_old2new;
qa_model_converter* m_mc;
func_decl* declare_pred(rule_set const& rules, rule_set& dst, func_decl* old_p);
app_ref mk_head(rule_set const& rules, rule_set& dst, app* p, unsigned idx);
app_ref mk_tail(rule_set const& rules, rule_set& dst, app* p);
expr* mk_select(expr* a, unsigned num_args, expr* const* args);
public:
mk_quantifier_abstraction(context & ctx, unsigned priority);
virtual ~mk_quantifier_abstraction();
rule_set * operator()(rule_set const & source);
};
};
#endif /* _DL_MK_QUANTIFIER_ABSTRACTION_H_ */