1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
|
/********************* */
/*! \file arith_proof.h
** \verbatim
** Top contributors (to current version):
** Guy Katz, Mathias Preiner, Tim King
** This file is part of the CVC4 project.
** Copyright (c) 2009-2018 by the authors listed in the file AUTHORS
** in the top-level source directory) and their institutional affiliations.
** All rights reserved. See the file COPYING in the top-level source
** directory for licensing information.\endverbatim
**
** \brief Arith proof
**
** Arith proof
**/
#include "cvc4_private.h"
#ifndef __CVC4__ARITH__PROOF_H
#define __CVC4__ARITH__PROOF_H
#include <memory>
#include <unordered_set>
#include "expr/expr.h"
#include "proof/arith_proof_recorder.h"
#include "proof/proof_manager.h"
#include "proof/theory_proof.h"
#include "theory/uf/equality_engine.h"
namespace CVC4 {
//proof object outputted by TheoryArith
class ProofArith : public Proof {
public:
ProofArith(std::shared_ptr<theory::eq::EqProof> pf) : d_proof(pf) {}
void toStream(std::ostream& out) const override;
private:
static void toStreamLFSC(std::ostream& out, TheoryProof* tp,
const theory::eq::EqProof& pf,
const ProofLetMap& map);
static Node toStreamRecLFSC(std::ostream& out, TheoryProof* tp,
const theory::eq::EqProof& pf,
unsigned tb, const ProofLetMap& map);
// it is simply an equality engine proof
std::shared_ptr<theory::eq::EqProof> d_proof;
};
namespace theory {
namespace arith {
class TheoryArith;
}
}
typedef std::unordered_set<Type, TypeHashFunction > TypeSet;
class ArithProof : public TheoryProof {
protected:
// std::map<Expr, std::string> d_constRationalString; // all the variable/function declarations
// TypeSet d_sorts; // all the uninterpreted sorts in this theory
ExprSet d_declarations; // all the variable/function declarations
/**
* @brief Where farkas proofs of lemmas are stored.
*/
proof::ArithProofRecorder d_recorder;
bool d_realMode;
theory::TheoryId getTheoryId() override;
public:
ArithProof(theory::arith::TheoryArith* arith, TheoryProofEngine* proofEngine);
void registerTerm(Expr term) override;
};
class LFSCArithProof : public ArithProof {
public:
LFSCArithProof(theory::arith::TheoryArith* arith, TheoryProofEngine* proofEngine)
: ArithProof(arith, proofEngine)
{}
void printOwnedTerm(Expr term,
std::ostream& os,
const ProofLetMap& map) override;
void printOwnedSort(Type type, std::ostream& os) override;
void printTheoryLemmaProof(std::vector<Expr>& lemma,
std::ostream& os,
std::ostream& paren,
const ProofLetMap& map) override;
void printSortDeclarations(std::ostream& os, std::ostream& paren) override;
void printTermDeclarations(std::ostream& os, std::ostream& paren) override;
void printDeferredDeclarations(std::ostream& os,
std::ostream& paren) override;
void printAliasingDeclarations(std::ostream& os,
std::ostream& paren,
const ProofLetMap& globalLetMap) override;
};
}/* CVC4 namespace */
#endif /* __CVC4__ARITH__PROOF_H */
|
