cprover
satcheck_minisat2.h
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1 /*******************************************************************\
2 
3 Module:
4 
5 Author: Daniel Kroening, kroening@kroening.com
6 
7 \*******************************************************************/
8 
9 
10 #ifndef CPROVER_SOLVERS_SAT_SATCHECK_MINISAT2_H
11 #define CPROVER_SOLVERS_SAT_SATCHECK_MINISAT2_H
12 
13 #include "cnf.h"
14 
15 // Select one: basic solver or with simplification.
16 // Note that the solver with simplifier isn't really robust
17 // when used incrementally, as variables may disappear
18 // unless set to 'frozen'.
19 
20 namespace Minisat // NOLINT(readability/namespace)
21 {
22 class Solver; // NOLINT(readability/identifiers)
23 class SimpSolver; // NOLINT(readability/identifiers)
24 }
25 
26 template<typename T>
28 {
29 public:
30  satcheck_minisat2_baset(T *, message_handlert &message_handler);
32 
33  tvt l_get(literalt a) const override final;
34 
35  void lcnf(const bvt &bv) override final;
36  void set_assignment(literalt a, bool value) override;
37 
38  // extra MiniSat feature: solve with assumptions
39  void set_assumptions(const bvt &_assumptions) override;
40 
41  // extra MiniSat feature: default branching decision
42  void set_polarity(literalt a, bool value);
43 
44  // extra MiniSat feature: interrupt running SAT query
45  void interrupt();
46 
47  // extra MiniSat feature: permit previously interrupted SAT query to continue
48  void clear_interrupt();
49 
50  bool is_in_conflict(literalt a) const override;
51  bool has_set_assumptions() const override final
52  {
53  return true;
54  }
55  bool has_is_in_conflict() const override final
56  {
57  return true;
58  }
59 
60  void set_time_limit_seconds(uint32_t lim) override
61  {
63  }
64 
65 protected:
66  resultt do_prop_solve() override;
67 
68  T *solver;
70 
71  void add_variables();
73 };
74 
76  public satcheck_minisat2_baset<Minisat::Solver>
77 {
78 public:
79  explicit satcheck_minisat_no_simplifiert(message_handlert &message_handler);
80  const std::string solver_text() override;
81 };
82 
84  public satcheck_minisat2_baset<Minisat::SimpSolver>
85 {
86 public:
87  explicit satcheck_minisat_simplifiert(message_handlert &message_handler);
88  const std::string solver_text() override final;
89  void set_frozen(literalt a) override final;
90  bool is_eliminated(literalt a) const;
91 };
92 
93 #endif // CPROVER_SOLVERS_SAT_SATCHECK_MINISAT2_H
satcheck_minisat2_baset::set_polarity
void set_polarity(literalt a, bool value)
Definition: satcheck_minisat2.cpp:70
satcheck_minisat2_baset::assumptions
bvt assumptions
Definition: satcheck_minisat2.h:72
satcheck_minisat2_baset
Definition: satcheck_minisat2.h:28
resultt
resultt
The result of goto verifying.
Definition: properties.h:44
satcheck_minisat_simplifiert::solver_text
const std::string solver_text() override final
Definition: satcheck_minisat2.cpp:104
satcheck_minisat2_baset::add_variables
void add_variables()
Definition: satcheck_minisat2.cpp:110
satcheck_minisat2_baset::l_get
tvt l_get(literalt a) const override final
Definition: satcheck_minisat2.cpp:42
satcheck_minisat2_baset::interrupt
void interrupt()
Definition: satcheck_minisat2.cpp:88
satcheck_minisat_simplifiert::satcheck_minisat_simplifiert
satcheck_minisat_simplifiert(message_handlert &message_handler)
Definition: satcheck_minisat2.cpp:342
bvt
std::vector< literalt > bvt
Definition: literal.h:201
satcheck_minisat2_baset::lcnf
void lcnf(const bvt &bv) override final
Definition: satcheck_minisat2.cpp:117
satcheck_minisat2_baset::solver
T * solver
Definition: satcheck_minisat2.h:68
satcheck_minisat2_baset::time_limit_seconds
uint32_t time_limit_seconds
Definition: satcheck_minisat2.h:69
satcheck_minisat2_baset::has_is_in_conflict
bool has_is_in_conflict() const override final
Definition: satcheck_minisat2.h:55
satcheck_minisat2_baset::clear_interrupt
void clear_interrupt()
Definition: satcheck_minisat2.cpp:94
cnf_solvert
Definition: cnf.h:70
satcheck_minisat2_baset::do_prop_solve
resultt do_prop_solve() override
Definition: satcheck_minisat2.cpp:166
satcheck_minisat_simplifiert::set_frozen
void set_frozen(literalt a) override final
Definition: satcheck_minisat2.cpp:350
satcheck_minisat2_baset::is_in_conflict
bool is_in_conflict(literalt a) const override
Returns true if an assumption is in the final conflict.
Definition: satcheck_minisat2.cpp:308
satcheck_minisat_simplifiert::is_eliminated
bool is_eliminated(literalt a) const
Definition: satcheck_minisat2.cpp:368
satcheck_minisat_no_simplifiert
Definition: satcheck_minisat2.h:77
satcheck_minisat2_baset::satcheck_minisat2_baset
satcheck_minisat2_baset(T *, message_handlert &message_handler)
Definition: satcheck_minisat2.cpp:288
satcheck_minisat2_baset::has_set_assumptions
bool has_set_assumptions() const override final
Definition: satcheck_minisat2.h:51
satcheck_minisat2_baset::set_assumptions
void set_assumptions(const bvt &_assumptions) override
Definition: satcheck_minisat2.cpp:320
message_handlert
Definition: message.h:27
Minisat
Definition: satcheck_minisat2.h:21
tvt
Definition: threeval.h:20
satcheck_minisat_no_simplifiert::solver_text
const std::string solver_text() override
Definition: satcheck_minisat2.cpp:99
literalt
Definition: literal.h:26
satcheck_minisat_simplifiert
Definition: satcheck_minisat2.h:85
satcheck_minisat2_baset::set_time_limit_seconds
void set_time_limit_seconds(uint32_t lim) override
Definition: satcheck_minisat2.h:60
satcheck_minisat_no_simplifiert::satcheck_minisat_no_simplifiert
satcheck_minisat_no_simplifiert(message_handlert &message_handler)
Definition: satcheck_minisat2.cpp:334
satcheck_minisat2_baset::set_assignment
void set_assignment(literalt a, bool value) override
Definition: satcheck_minisat2.cpp:265
cnf.h
satcheck_minisat2_baset::~satcheck_minisat2_baset
virtual ~satcheck_minisat2_baset()