#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.

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.

virtual literalt	lor (const bvt &bv) override
	Tseitin encoding of disjunction between multiple literals.

virtual literalt	lxor (const bvt &bv) override
	Tseitin encoding of XOR between multiple literals.

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.

bvt	new_variables (std::size_t width) override
	Generate a vector of new variables.

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

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.

void	gate_or (literalt a, literalt b, literalt o)
	Tseitin encoding of disjunction of two literals.

void	gate_xor (literalt a, literalt b, literalt o)
	Tseitin encoding of XOR of two literals.

void	gate_nand (literalt a, literalt b, literalt o)
	Tseitin encoding of NAND of two literals.

void	gate_nor (literalt a, literalt b, literalt o)
	Tseitin encoding of NOR of two literals.

void	gate_equal (literalt a, literalt b, literalt o)
	Tseitin encoding of equality between two literals.

void	gate_implies (literalt a, literalt b, literalt o)
	Tseitin encoding of implication between two literals.

bool	process_clause (const bvt &bv, bvt &dest) const
	filter 'true' from clause, eliminate duplicates, recognise trivially satisfied clauses

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

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:

/home/runner/work/cbmc/cbmc/src/solvers/sat/satcheck_picosat.h
/home/runner/work/cbmc/cbmc/src/solvers/sat/satcheck_picosat.cpp

Public Member Functions

Protected Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ satcheck_picosatt()

◆ ~satcheck_picosatt()

Member Function Documentation

◆ do_prop_solve()

◆ has_assumptions()

◆ has_is_in_conflict()

◆ is_in_conflict()

◆ l_get()

◆ lcnf()

◆ set_assignment()

◆ solver_text()

Member Data Documentation

◆ picosat