#include <cnf_clause_list.h>

Inheritance diagram for cnf_clause_listt:

Collaboration diagram for cnf_clause_listt:

Public Types
typedef std::list< bvt >	clausest

Public Types inherited from propt
enum class	resultt { P_SATISFIABLE , P_UNSATISFIABLE , P_ERROR }

Public Member Functions
	cnf_clause_listt (message_handlert &message_handler)

virtual	~cnf_clause_listt ()

void	lcnf (const bvt &bv) override

std::string	solver_text () const override

tvt	l_get (literalt) const override

size_t	no_clauses () const override

clausest &	get_clauses ()

void	copy_to (cnft &cnf) const

size_t	hash () const

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 bool	has_assumptions () const

virtual void	set_variable_name (literalt, const irep_idt &)

resultt	prop_solve ()

resultt	prop_solve (const bvt &assumptions)

virtual void	set_assignment (literalt a, bool value)=0

virtual bool	is_in_conflict (literalt l) const =0
	Returns true if an assumption is in the final conflict.

virtual bool	has_is_in_conflict () const

virtual void	set_frozen (literalt)

virtual void	set_time_limit_seconds (uint32_t)

std::size_t	get_number_of_solver_calls () const

Static Public Member Functions
static size_t	hash_clause (const bvt &bv)

Protected Member Functions
resultt	do_prop_solve (const bvt &) 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

Protected Attributes
clausest	clauses

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

Additional Inherited Members
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)

Detailed Description

Definition at line 23 of file cnf_clause_list.h.

Member Typedef Documentation

◆ clausest

typedef std::list<bvt> cnf_clause_listt::clausest

Definition at line 47 of file cnf_clause_list.h.

Constructor & Destructor Documentation

◆ cnf_clause_listt()

cnf_clause_listt::cnf_clause_listt ( message_handlert & message_handler )

inlineexplicit

Definition at line 26 of file cnf_clause_list.h.

◆ ~cnf_clause_listt()

virtual cnf_clause_listt::~cnf_clause_listt ( )

inlinevirtual

Definition at line 30 of file cnf_clause_list.h.

Member Function Documentation

◆ copy_to()

void cnf_clause_listt::copy_to ( cnft & cnf ) const

inline

Definition at line 51 of file cnf_clause_list.h.

◆ do_prop_solve()

resultt cnf_clause_listt::do_prop_solve ( const bvt & )

inlineoverrideprotectedvirtual

Implements propt.

Reimplemented in external_satt, pbs_dimacs_cnft, satcheck_zchaff_baset, and satcheck_zcoret.

Definition at line 80 of file cnf_clause_list.h.

◆ get_clauses()

clausest & cnf_clause_listt::get_clauses ( )

inline

Definition at line 49 of file cnf_clause_list.h.

◆ hash()

size_t cnf_clause_listt::hash ( ) const

inline

Definition at line 70 of file cnf_clause_list.h.

◆ hash_clause()

static size_t cnf_clause_listt::hash_clause ( const bvt & bv )

inlinestatic

Definition at line 61 of file cnf_clause_list.h.

◆ l_get()

tvt cnf_clause_listt::l_get ( literalt ) const

inlineoverridevirtual

Implements propt.

Reimplemented in qdimacs_coret, qbf_bdd_certificatet, qbf_bdd_coret, qbf_quantort, qbf_qubet, qbf_qube_coret, qbf_skizzot, qbf_squolemt, qbf_squolem_coret, pbs_dimacs_cnft, satcheck_zchaff_baset, and satcheck_zcoret.

Definition at line 37 of file cnf_clause_list.h.

◆ lcnf()

void cnf_clause_listt::lcnf ( const bvt & bv )

overridevirtual

Implements propt.

Reimplemented in qbf_bdd_coret, qbf_squolemt, and qbf_squolem_coret.

Definition at line 16 of file cnf_clause_list.cpp.

◆ no_clauses()

size_t cnf_clause_listt::no_clauses ( ) const

inlineoverridevirtual

Implements cnft.

Reimplemented in qbf_squolemt, and qbf_squolem_coret.

Definition at line 42 of file cnf_clause_list.h.

◆ solver_text()

std::string cnf_clause_listt::solver_text ( ) const

inlineoverridevirtual

Implements propt.

Reimplemented in qbf_bdd_coret, qbf_quantort, qbf_qubet, qbf_qube_coret, qbf_skizzot, qbf_skizzo_coret, qbf_squolemt, qbf_squolem_coret, qdimacs_cnft, dimacs_cnft, external_satt, pbs_dimacs_cnft, satcheck_zchaff_baset, and satcheck_zcoret.

Definition at line 34 of file cnf_clause_list.h.

Member Data Documentation

◆ clauses

clausest cnf_clause_listt::clauses

protected

Definition at line 85 of file cnf_clause_list.h.

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

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

Public Types

Public Member Functions

Static Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ clausest

Constructor & Destructor Documentation

◆ cnf_clause_listt()

◆ ~cnf_clause_listt()

Member Function Documentation

◆ copy_to()

◆ do_prop_solve()

◆ get_clauses()

◆ hash()

◆ hash_clause()

◆ l_get()

◆ lcnf()

◆ no_clauses()

◆ solver_text()

Member Data Documentation

◆ clauses