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