Interface for generic SAT solver interface IPASIR. More...

#include <satcheck_ipasir.h>

Inheritance diagram for satcheck_ipasirt:

Collaboration diagram for satcheck_ipasirt:

Public Member Functions
	satcheck_ipasirt (message_handlert &message_handler)

virtual	~satcheck_ipasirt () override

std::string	solver_text () const override
	This method returns the description produced by the linked SAT solver. More...

tvt	l_get (literalt a) const override final
	This method returns the truth value for a literal of the current SAT model. More...

void	lcnf (const bvt &bv) override final

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 final

bool	has_is_in_conflict () const override final

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...

Protected Attributes
void *	solver

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

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

Public Attributes inherited from hardness_collectort
std::unique_ptr< clause_hardness_collectort >	solver_hardness

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)

Detailed Description

Interface for generic SAT solver interface IPASIR.

Definition at line 20 of file satcheck_ipasir.h.

Constructor & Destructor Documentation

◆ satcheck_ipasirt()

satcheck_ipasirt::satcheck_ipasirt ( message_handlert & message_handler )

◆ ~satcheck_ipasirt()

virtual satcheck_ipasirt::~satcheck_ipasirt ( )

overridevirtual

Member Function Documentation

◆ do_prop_solve()

resultt satcheck_ipasirt::do_prop_solve ( const bvt & assumptions )

overrideprotectedvirtual

Implements propt.

◆ has_assumptions()

bool satcheck_ipasirt::has_assumptions ( ) const

inlinefinaloverridevirtual

Reimplemented from propt.

Definition at line 38 of file satcheck_ipasir.h.

◆ has_is_in_conflict()

bool satcheck_ipasirt::has_is_in_conflict ( ) const

inlinefinaloverridevirtual

Reimplemented from propt.

Definition at line 42 of file satcheck_ipasir.h.

◆ is_in_conflict()

bool satcheck_ipasirt::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.

◆ l_get()

tvt satcheck_ipasirt::l_get ( literalt a ) const

finaloverridevirtual

This method returns the truth value for a literal of the current SAT model.

Implements propt.

◆ lcnf()

void satcheck_ipasirt::lcnf ( const bvt & bv )

finaloverridevirtual

Implements propt.

◆ set_assignment()

void satcheck_ipasirt::set_assignment	(	literalt	a,
		bool	value
	)

overridevirtual

Implements propt.

◆ solver_text()

std::string satcheck_ipasirt::solver_text ( ) const

overridevirtual

This method returns the description produced by the linked SAT solver.

Implements propt.

Member Data Documentation

◆ solver

void* satcheck_ipasirt::solver

protected

Definition at line 50 of file satcheck_ipasir.h.

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

/home/runner/work/cbmc/cbmc/src/solvers/sat/satcheck_ipasir.h

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ satcheck_ipasirt()

◆ ~satcheck_ipasirt()

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

◆ solver