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/****************************************************************************** |
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* Top contributors (to current version): |
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* Andrew Reynolds, Gereon Kremer |
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* |
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* This file is part of the cvc5 project. |
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* |
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* Copyright (c) 2009-2021 by the authors listed in the file AUTHORS |
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* in the top-level source directory and their institutional affiliations. |
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* All rights reserved. See the file COPYING in the top-level source |
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* directory for licensing information. |
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* **************************************************************************** |
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* |
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* Arrays inference manager. |
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*/ |
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#include "cvc5_private.h" |
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#ifndef CVC5__THEORY__ARRAYS__INFERENCE_MANAGER_H |
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#define CVC5__THEORY__ARRAYS__INFERENCE_MANAGER_H |
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#include "expr/node.h" |
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#include "proof/eager_proof_generator.h" |
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#include "proof/proof_rule.h" |
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#include "theory/theory_inference_manager.h" |
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namespace cvc5 { |
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namespace theory { |
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namespace arrays { |
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/** |
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* The arrays inference manager. |
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*/ |
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class InferenceManager : public TheoryInferenceManager |
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{ |
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public: |
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InferenceManager(Theory& t, TheoryState& state, ProofNodeManager* pnm); |
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~InferenceManager() {} |
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/** |
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* Assert inference. This sends an internal fact to the equality engine |
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* immediately, possibly with proof support. The identifier id which |
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* rule to apply when proofs are enabled. The order of children |
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* and arguments to use in the proof step are determined internally in |
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* this method. |
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* |
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* @return true if the fact was successfully asserted, and false if the |
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* fact was redundant. |
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*/ |
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bool assertInference(TNode atom, bool polarity, InferenceId id, TNode reason, PfRule pfr); |
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/** |
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* Send lemma (exp => conc) based on proof rule id with properties p. |
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*/ |
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bool arrayLemma(Node conc, |
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InferenceId id, |
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Node exp, |
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PfRule pfr, |
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LemmaProperty p = LemmaProperty::NONE); |
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private: |
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/** |
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* Converts a conclusion, explanation and proof rule id used by the array |
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* theory to the set of arguments required for a proof rule application. |
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*/ |
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void convert(PfRule& id, |
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Node conc, |
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Node exp, |
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std::vector<Node>& children, |
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std::vector<Node>& args); |
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/** Eager proof generator for lemmas from the above method */ |
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std::unique_ptr<EagerProofGenerator> d_lemmaPg; |
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}; |
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} // namespace arrays |
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} // namespace theory |
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} // namespace cvc5 |
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#endif |