CBMC
satcheck_picosatt Class Reference

#include <satcheck_picosat.h>

+ Inheritance diagram for satcheck_picosatt:
+ Collaboration diagram for satcheck_picosatt:

Public Member Functions

 satcheck_picosatt ()
 
 ~satcheck_picosatt ()
 
std::string solver_text () const override
 
tvt l_get (literalt a) const override
 
void lcnf (const bvt &bv) override
 
void set_assignment (literalt a, bool value) override
 
bool is_in_conflict (literalt a) const override
 Returns true if an assumption is in the final conflict. More...
 
bool has_assumptions () const override
 
bool has_is_in_conflict () const override
 
- Public Member Functions inherited from cnf_solvert
 cnf_solvert (message_handlert &message_handler)
 
virtual size_t no_clauses () const override
 
- Public Member Functions inherited from cnft
 cnft (message_handlert &message_handler)
 
virtual ~cnft ()
 
virtual literalt land (literalt a, literalt b) override
 
virtual literalt lor (literalt a, literalt b) override
 
virtual literalt land (const bvt &bv) override
 Tseitin encoding of conjunction between multiple literals. More...
 
virtual literalt lor (const bvt &bv) override
 Tseitin encoding of disjunction between multiple literals. More...
 
virtual literalt lxor (const bvt &bv) override
 Tseitin encoding of XOR between multiple literals. More...
 
virtual literalt lxor (literalt a, literalt b) override
 
virtual literalt lnand (literalt a, literalt b) override
 
virtual literalt lnor (literalt a, literalt b) override
 
virtual literalt lequal (literalt a, literalt b) override
 
virtual literalt limplies (literalt a, literalt b) override
 
virtual literalt lselect (literalt a, literalt b, literalt c) override
 
virtual literalt new_variable () override
 Generate a new variable and return it as a literal. More...
 
bvt new_variables (std::size_t width) override
 Generate a vector of new variables. More...
 
virtual size_t no_variables () const override
 
virtual void set_no_variables (size_t no)
 
- Public Member Functions inherited from propt
 propt (message_handlert &message_handler)
 
virtual ~propt ()
 
virtual void set_equal (literalt a, literalt b)
 asserts a==b in the propositional formula More...
 
virtual void l_set_to (literalt a, bool value)
 
void l_set_to_true (literalt a)
 
void l_set_to_false (literalt a)
 
void lcnf (literalt l0, literalt l1)
 
void lcnf (literalt l0, literalt l1, literalt l2)
 
void lcnf (literalt l0, literalt l1, literalt l2, literalt l3)
 
virtual bool has_set_to () const
 
virtual bool cnf_handled_well () const
 
virtual void set_variable_name (literalt, const irep_idt &)
 
resultt prop_solve ()
 
resultt prop_solve (const bvt &assumptions)
 
virtual void set_frozen (literalt)
 
virtual void set_time_limit_seconds (uint32_t)
 
std::size_t get_number_of_solver_calls () const
 

Protected Member Functions

resultt do_prop_solve (const bvt &assumptions) override
 
- Protected Member Functions inherited from cnft
void gate_and (literalt a, literalt b, literalt o)
 Tseitin encoding of conjunction of two literals. More...
 
void gate_or (literalt a, literalt b, literalt o)
 Tseitin encoding of disjunction of two literals. More...
 
void gate_xor (literalt a, literalt b, literalt o)
 Tseitin encoding of XOR of two literals. More...
 
void gate_nand (literalt a, literalt b, literalt o)
 Tseitin encoding of NAND of two literals. More...
 
void gate_nor (literalt a, literalt b, literalt o)
 Tseitin encoding of NOR of two literals. More...
 
void gate_equal (literalt a, literalt b, literalt o)
 Tseitin encoding of equality between two literals. More...
 
void gate_implies (literalt a, literalt b, literalt o)
 Tseitin encoding of implication between two literals. More...
 
bool process_clause (const bvt &bv, bvt &dest) const
 filter 'true' from clause, eliminate duplicates, recognise trivially satisfied clauses More...
 

Private Attributes

PicoSAT * picosat
 

Additional Inherited Members

- Public Types inherited from propt
enum class  resultt { P_SATISFIABLE , P_UNSATISFIABLE , P_ERROR }
 
- Protected Types inherited from cnf_solvert
enum class  statust { INIT , SAT , UNSAT , ERROR }
 
- Static Protected Member Functions inherited from cnft
static bvt eliminate_duplicates (const bvt &)
 eliminate duplicates from given vector of literals More...
 
static bool is_all (const bvt &bv, literalt l)
 
- Protected Attributes inherited from cnf_solvert
statust status
 
size_t clause_counter
 
- Protected Attributes inherited from cnft
size_t _no_variables
 
- Protected Attributes inherited from propt
bvt lcnf_bv
 
messaget log
 
std::size_t number_of_solver_calls = 0
 

Detailed Description

Definition at line 18 of file satcheck_picosat.h.

Constructor & Destructor Documentation

◆ satcheck_picosatt()

satcheck_picosatt::satcheck_picosatt ( )

Definition at line 111 of file satcheck_picosat.cpp.

◆ ~satcheck_picosatt()

satcheck_picosatt::~satcheck_picosatt ( )

Definition at line 116 of file satcheck_picosat.cpp.

Member Function Documentation

◆ do_prop_solve()

propt::resultt satcheck_picosatt::do_prop_solve ( const bvt assumptions)
overrideprotectedvirtual

Implements propt.

Definition at line 68 of file satcheck_picosat.cpp.

◆ has_assumptions()

bool satcheck_picosatt::has_assumptions ( ) const
inlineoverridevirtual

Reimplemented from propt.

Definition at line 31 of file satcheck_picosat.h.

◆ has_is_in_conflict()

bool satcheck_picosatt::has_is_in_conflict ( ) const
inlineoverridevirtual

Reimplemented from propt.

Definition at line 35 of file satcheck_picosat.h.

◆ is_in_conflict()

bool satcheck_picosatt::is_in_conflict ( literalt  l) const
overridevirtual

Returns true if an assumption is in the final conflict.

Note that only literals that are assumptions (see set_assumptions) may be queried.

Returns
true iff the given literal is part of the final conflict

Implements propt.

Definition at line 121 of file satcheck_picosat.cpp.

◆ l_get()

tvt satcheck_picosatt::l_get ( literalt  a) const
overridevirtual

Implements propt.

Definition at line 25 of file satcheck_picosat.cpp.

◆ lcnf()

void satcheck_picosatt::lcnf ( const bvt bv)
overridevirtual

Implements propt.

Definition at line 51 of file satcheck_picosat.cpp.

◆ set_assignment()

void satcheck_picosatt::set_assignment ( literalt  a,
bool  value 
)
overridevirtual

Implements propt.

Definition at line 106 of file satcheck_picosat.cpp.

◆ solver_text()

std::string satcheck_picosatt::solver_text ( ) const
overridevirtual

Implements propt.

Definition at line 46 of file satcheck_picosat.cpp.

Member Data Documentation

◆ picosat

PicoSAT* satcheck_picosatt::picosat
private

Definition at line 44 of file satcheck_picosat.h.


The documentation for this class was generated from the following files: