#include <qdimacs_cnf.h>

Inheritance diagram for qdimacs_cnft:

Collaboration diagram for qdimacs_cnft:

Classes
class	quantifiert

Public Types
typedef std::vector< quantifiert >	quantifierst

Public Types inherited from cnf_clause_listt
typedef std::list< bvt >	clausest

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

Public Member Functions
	qdimacs_cnft (message_handlert &message_handler)

virtual void	write_qdimacs_cnf (std::ostream &out)

std::string	solver_text () const override

virtual void	add_quantifier (const quantifiert &quantifier)

void	add_quantifier (const quantifiert::typet type, const literalt l)

void	add_existential_quantifier (const literalt l)

void	add_universal_quantifier (const literalt l)

bool	is_quantified (const literalt l) const

bool	find_quantifier (const literalt l, quantifiert &q) const

virtual void	set_quantifier (const quantifiert::typet type, const literalt l)

void	copy_to (qdimacs_cnft &cnf) const

bool	operator== (const qdimacs_cnft &other) const

size_t	hash () const

Public Member Functions inherited from dimacs_cnft
	dimacs_cnft (message_handlert &)

virtual	~dimacs_cnft ()

virtual void	write_dimacs_cnf (std::ostream &out) const

void	set_assignment (literalt a, bool value) override

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

Public Member Functions inherited from cnf_clause_listt
	cnf_clause_listt (message_handlert &message_handler)

virtual	~cnf_clause_listt ()

void	lcnf (const bvt &bv) 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 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

Public Attributes
quantifierst	quantifiers

Protected Member Functions
void	write_prefix (std::ostream &out) const

Protected Member Functions inherited from dimacs_cnft
void	write_problem_line (std::ostream &out) const

void	write_clauses (std::ostream &out) const

Protected Member Functions inherited from cnf_clause_listt
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

Additional Inherited Members
Static Public Member Functions inherited from dimacs_cnft
static void	write_dimacs_clause (const bvt &, std::ostream &, bool break_lines)

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

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 dimacs_cnft
bool	break_lines

Protected Attributes inherited from cnf_clause_listt
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

Detailed Description

Definition at line 17 of file qdimacs_cnf.h.

Member Typedef Documentation

◆ quantifierst

typedef std::vector<quantifiert> qdimacs_cnft::quantifierst

Definition at line 61 of file qdimacs_cnf.h.

Constructor & Destructor Documentation

◆ qdimacs_cnft()

qdimacs_cnft::qdimacs_cnft ( message_handlert & message_handler )

inlineexplicit

Definition at line 20 of file qdimacs_cnf.h.

Member Function Documentation

◆ add_existential_quantifier()

void qdimacs_cnft::add_existential_quantifier ( const literalt l )

inline

Definition at line 74 of file qdimacs_cnf.h.

◆ add_quantifier() [1/2]

virtual void qdimacs_cnft::add_quantifier ( const quantifiert & quantifier )

inlinevirtual

Reimplemented in qbf_squolemt, and qbf_squolem_coret.

Definition at line 64 of file qdimacs_cnf.h.

◆ add_quantifier() [2/2]

void qdimacs_cnft::add_quantifier	(	const quantifiert::typet	type,
		const literalt	l
	)

inline

Definition at line 69 of file qdimacs_cnf.h.

◆ add_universal_quantifier()

void qdimacs_cnft::add_universal_quantifier ( const literalt l )

inline

Definition at line 79 of file qdimacs_cnf.h.

◆ copy_to()

void qdimacs_cnft::copy_to ( qdimacs_cnft & cnf ) const

Definition at line 90 of file qdimacs_cnf.cpp.

◆ find_quantifier()

bool qdimacs_cnft::find_quantifier	(	const literalt	l,
		quantifiert &	q
	)		const

Definition at line 130 of file qdimacs_cnf.cpp.

◆ hash()

size_t qdimacs_cnft::hash ( ) const

Definition at line 107 of file qdimacs_cnf.cpp.

◆ is_quantified()

bool qdimacs_cnft::is_quantified ( const literalt l ) const

Definition at line 119 of file qdimacs_cnf.cpp.

◆ operator==()

bool qdimacs_cnft::operator== ( const qdimacs_cnft & other ) const

Definition at line 68 of file qdimacs_cnf.cpp.

◆ set_quantifier()

void qdimacs_cnft::set_quantifier	(	const quantifiert::typet	type,
		const literalt	l
	)

virtual

Definition at line 73 of file qdimacs_cnf.cpp.

◆ solver_text()

std::string qdimacs_cnft::solver_text ( ) const

inlineoverridevirtual

Reimplemented from dimacs_cnft.

Definition at line 29 of file qdimacs_cnf.h.

◆ write_prefix()

void qdimacs_cnft::write_prefix ( std::ostream & out ) const

protected

Definition at line 22 of file qdimacs_cnf.cpp.

◆ write_qdimacs_cnf()

void qdimacs_cnft::write_qdimacs_cnf ( std::ostream & out )

virtual

Reimplemented in qbf_squolem_coret.

Definition at line 15 of file qdimacs_cnf.cpp.

Member Data Documentation

◆ quantifiers

quantifierst qdimacs_cnft::quantifiers

Definition at line 62 of file qdimacs_cnf.h.

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

/home/runner/work/cbmc/cbmc/src/solvers/qbf/qdimacs_cnf.h
/home/runner/work/cbmc/cbmc/src/solvers/qbf/qdimacs_cnf.cpp

Classes

Public Types

Public Member Functions

Public Attributes

Protected Member Functions

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ quantifierst

Constructor & Destructor Documentation

◆ qdimacs_cnft()

Member Function Documentation

◆ add_existential_quantifier()

◆ add_quantifier() [1/2]

◆ add_quantifier() [2/2]

◆ add_universal_quantifier()

◆ copy_to()

◆ find_quantifier()

◆ hash()

◆ is_quantified()

◆ operator==()

◆ set_quantifier()

◆ solver_text()

◆ write_prefix()

◆ write_qdimacs_cnf()

Member Data Documentation

◆ quantifiers