#include <satcheck_minisat.h>

Inheritance diagram for satcheck_minisat1_baset:

Collaboration diagram for satcheck_minisat1_baset:

Public Member Functions
	satcheck_minisat1_baset ()

virtual	~satcheck_minisat1_baset ()

std::string	solver_text () const override

tvt	l_get (literalt a) const override

void	lcnf (const bvt &bv) final

void	set_assignment (literalt a, bool value) override

bool	has_assumptions () const override

bool	has_is_in_conflict () const 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_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

void	add_variables ()

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
class Solver *	solver

bool	empty_clause_added

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 }

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)

Detailed Description

Definition at line 18 of file satcheck_minisat.h.

Constructor & Destructor Documentation

◆ satcheck_minisat1_baset()

satcheck_minisat1_baset::satcheck_minisat1_baset ( )

inline

Definition at line 21 of file satcheck_minisat.h.

◆ ~satcheck_minisat1_baset()

satcheck_minisat1_baset::~satcheck_minisat1_baset ( )

virtual

Definition at line 245 of file satcheck_minisat.cpp.

Member Function Documentation

◆ add_variables()

void satcheck_minisat1_baset::add_variables ( )

protected

Definition at line 116 of file satcheck_minisat.cpp.

◆ do_prop_solve()

propt::resultt satcheck_minisat1_baset::do_prop_solve ( const bvt & assumptions )

overrideprotectedvirtual

Implements propt.

Reimplemented in satcheck_minisat1_coret.

Definition at line 153 of file satcheck_minisat.cpp.

◆ has_assumptions()

bool satcheck_minisat1_baset::has_assumptions ( ) const

inlineoverridevirtual

Reimplemented from propt.

Definition at line 35 of file satcheck_minisat.h.

◆ has_is_in_conflict()

bool satcheck_minisat1_baset::has_is_in_conflict ( ) const

inlineoverridevirtual

Reimplemented from propt.

Definition at line 39 of file satcheck_minisat.h.

◆ is_in_conflict()

bool satcheck_minisat1_baset::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 204 of file satcheck_minisat.cpp.

◆ l_get()

tvt satcheck_minisat1_baset::l_get ( literalt a ) const

overridevirtual

Implements propt.

Definition at line 84 of file satcheck_minisat.cpp.

◆ lcnf()

void satcheck_minisat1_baset::lcnf ( const bvt & bv )

finalvirtual

Implements propt.

Definition at line 122 of file satcheck_minisat.cpp.

◆ set_assignment()

void satcheck_minisat1_baset::set_assignment	(	literalt	a,
		bool	value
	)

overridevirtual

Implements propt.

Definition at line 195 of file satcheck_minisat.cpp.

◆ solver_text()

std::string satcheck_minisat1_baset::solver_text ( ) const

overridevirtual

Implements propt.

Reimplemented in satcheck_minisat1_prooft, and satcheck_minisat1_coret.

Definition at line 111 of file satcheck_minisat.cpp.

Member Data Documentation

◆ empty_clause_added

bool satcheck_minisat1_baset::empty_clause_added

protected

Definition at line 52 of file satcheck_minisat.h.

◆ solver

class Solver* satcheck_minisat1_baset::solver

protected

Definition at line 50 of file satcheck_minisat.h.

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

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

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ satcheck_minisat1_baset()

◆ ~satcheck_minisat1_baset()

Member Function Documentation

◆ add_variables()

◆ do_prop_solve()

◆ has_assumptions()

◆ has_is_in_conflict()

◆ is_in_conflict()

◆ l_get()

◆ lcnf()

◆ set_assignment()

◆ solver_text()

Member Data Documentation

◆ empty_clause_added

◆ solver