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https://github.com/Z3Prover/z3
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70 lines
2.2 KiB
C++
70 lines
2.2 KiB
C++
/*++
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Copyright (c) 2011 Microsoft Corporation
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Module Name:
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pdr_generalizers.h
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Abstract:
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Generalizer plugins.
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Author:
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Nikolaj Bjorner (nbjorner) 2011-11-22.
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Revision History:
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--*/
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#ifndef _PDR_GENERALIZERS_H_
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#define _PDR_GENERALIZERS_H_
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#include "pdr_context.h"
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#include "arith_decl_plugin.h"
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namespace pdr {
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class core_bool_inductive_generalizer : public core_generalizer {
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unsigned m_failure_limit;
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public:
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core_bool_inductive_generalizer(context& ctx, unsigned failure_limit) : core_generalizer(ctx), m_failure_limit(failure_limit) {}
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virtual ~core_bool_inductive_generalizer() {}
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virtual void operator()(model_node& n, expr_ref_vector& core, bool& uses_level);
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};
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class core_farkas_generalizer : public core_generalizer {
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farkas_learner m_farkas_learner;
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public:
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core_farkas_generalizer(context& ctx, ast_manager& m, front_end_params& p);
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virtual ~core_farkas_generalizer() {}
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virtual void operator()(model_node& n, expr_ref_vector& core, bool& uses_level);
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virtual void collect_statistics(statistics& st) const;
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};
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class core_multi_generalizer : public core_generalizer {
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core_bool_inductive_generalizer m_gen;
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public:
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core_multi_generalizer(context& ctx, unsigned max_failures): core_generalizer(ctx), m_gen(ctx, max_failures) {}
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virtual ~core_multi_generalizer() {}
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virtual void operator()(model_node& n, expr_ref_vector& core, bool& uses_level);
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virtual void operator()(model_node& n, expr_ref_vector const& core, bool uses_level, cores& new_cores);
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};
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class core_interpolant_generalizer : public core_generalizer {
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public:
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core_interpolant_generalizer(context& ctx): core_generalizer(ctx) {}
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virtual ~core_interpolant_generalizer() {}
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virtual void operator()(model_node& n, expr_ref_vector& core, bool& uses_level);
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};
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class core_induction_generalizer : public core_generalizer {
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class imp;
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public:
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core_induction_generalizer(context& ctx): core_generalizer(ctx) {}
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virtual ~core_induction_generalizer() {}
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virtual void operator()(model_node& n, expr_ref_vector& core, bool& uses_level);
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};
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};
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#endif
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