1 |
|
/****************************************************************************** |
2 |
|
* Top contributors (to current version): |
3 |
|
* Andrew Reynolds, Gereon Kremer |
4 |
|
* |
5 |
|
* This file is part of the cvc5 project. |
6 |
|
* |
7 |
|
* Copyright (c) 2009-2021 by the authors listed in the file AUTHORS |
8 |
|
* in the top-level source directory and their institutional affiliations. |
9 |
|
* All rights reserved. See the file COPYING in the top-level source |
10 |
|
* directory for licensing information. |
11 |
|
* **************************************************************************** |
12 |
|
* |
13 |
|
* Arrays inference manager. |
14 |
|
*/ |
15 |
|
|
16 |
|
#include "cvc5_private.h" |
17 |
|
|
18 |
|
#ifndef CVC5__THEORY__ARRAYS__INFERENCE_MANAGER_H |
19 |
|
#define CVC5__THEORY__ARRAYS__INFERENCE_MANAGER_H |
20 |
|
|
21 |
|
#include "expr/node.h" |
22 |
|
#include "proof/eager_proof_generator.h" |
23 |
|
#include "proof/proof_rule.h" |
24 |
|
#include "theory/theory_inference_manager.h" |
25 |
|
|
26 |
|
namespace cvc5 { |
27 |
|
namespace theory { |
28 |
|
namespace arrays { |
29 |
|
|
30 |
|
/** |
31 |
|
* The arrays inference manager. |
32 |
|
*/ |
33 |
|
class InferenceManager : public TheoryInferenceManager |
34 |
|
{ |
35 |
|
public: |
36 |
|
InferenceManager(Env& env, |
37 |
|
Theory& t, |
38 |
|
TheoryState& state, |
39 |
|
ProofNodeManager* pnm); |
40 |
9937 |
~InferenceManager() {} |
41 |
|
|
42 |
|
/** |
43 |
|
* Assert inference. This sends an internal fact to the equality engine |
44 |
|
* immediately, possibly with proof support. The identifier id which |
45 |
|
* rule to apply when proofs are enabled. The order of children |
46 |
|
* and arguments to use in the proof step are determined internally in |
47 |
|
* this method. |
48 |
|
* |
49 |
|
* @return true if the fact was successfully asserted, and false if the |
50 |
|
* fact was redundant. |
51 |
|
*/ |
52 |
|
bool assertInference(TNode atom, bool polarity, InferenceId id, TNode reason, PfRule pfr); |
53 |
|
/** |
54 |
|
* Send lemma (exp => conc) based on proof rule id with properties p. |
55 |
|
*/ |
56 |
|
bool arrayLemma(Node conc, |
57 |
|
InferenceId id, |
58 |
|
Node exp, |
59 |
|
PfRule pfr, |
60 |
|
LemmaProperty p = LemmaProperty::NONE); |
61 |
|
|
62 |
|
private: |
63 |
|
/** |
64 |
|
* Converts a conclusion, explanation and proof rule id used by the array |
65 |
|
* theory to the set of arguments required for a proof rule application. |
66 |
|
*/ |
67 |
|
void convert(PfRule& id, |
68 |
|
Node conc, |
69 |
|
Node exp, |
70 |
|
std::vector<Node>& children, |
71 |
|
std::vector<Node>& args); |
72 |
|
/** Eager proof generator for lemmas from the above method */ |
73 |
|
std::unique_ptr<EagerProofGenerator> d_lemmaPg; |
74 |
|
}; |
75 |
|
|
76 |
|
} // namespace arrays |
77 |
|
} // namespace theory |
78 |
|
} // namespace cvc5 |
79 |
|
|
80 |
|
#endif |