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Public Member Functions | Protected Attributes | List of all members

qbf_squolemt Class Reference

#include <qbf_squolem.h>

+ Inheritance diagram for qbf_squolemt:

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+ Collaboration diagram for qbf_squolemt:

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Public Member Functions

qbf_squolemt ()

~qbf_squolemt () override

std::string solver_text () const override

resultt prop_solve () override

tvt l_get (literalt a) const override

void lcnf (const bvt &bv) override

void add_quantifier (const quantifiert &quantifier) override

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

void set_no_variables (size_t no) override

virtual size_t no_clauses () const

- Public Member Functions inherited from qdimacs_cnft

qdimacs_cnft (message_handlert &message_handler)

virtual void write_qdimacs_cnf (std::ostream &out)

std::string solver_text () const override

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 ()

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

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.

- 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

Protected Attributes

Squolem2 squolem

bool early_decision

- 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

Additional Inherited Members

- Public Types inherited from qdimacs_cnft

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 }

- 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)

- Public Attributes inherited from qdimacs_cnft

quantifierst quantifiers

- Protected Member Functions inherited from qdimacs_cnft

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

bool process_clause (const bvt &bv, bvt &dest) const

filter 'true' from clause, eliminate duplicates, recognise trivially satisfied clauses

- 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 19 of file qbf_squolem.h.

Constructor & Destructor Documentation

◆ qbf_squolemt()

qbf_squolemt::qbf_squolemt ( )

Definition at line 14 of file qbf_squolem.cpp.

◆ ~qbf_squolemt()

qbf_squolemt::~qbf_squolemt ( )

override

Definition at line 19 of file qbf_squolem.cpp.

Member Function Documentation

◆ add_quantifier()

void qbf_squolemt::add_quantifier ( const quantifiert & quantifier )

overridevirtual

Reimplemented from qdimacs_cnft.

Definition at line 100 of file qbf_squolem.cpp.

◆ l_get()

tvt qbf_squolemt::l_get ( literalt a ) const

overridevirtual

Reimplemented from cnf_clause_listt.

Definition at line 24 of file qbf_squolem.cpp.

◆ lcnf()

void qbf_squolemt::lcnf ( const bvt & bv )

overridevirtual

Reimplemented from cnf_clause_listt.

Definition at line 71 of file qbf_squolem.cpp.

◆ no_clauses()

virtual size_t qbf_squolemt::no_clauses ( ) const

inlinevirtual

Reimplemented from cnf_clause_listt.

Definition at line 37 of file qbf_squolem.h.

◆ prop_solve()

propt::resultt qbf_squolemt::prop_solve ( )

override

Definition at line 34 of file qbf_squolem.cpp.

◆ set_no_variables()

void qbf_squolemt::set_no_variables ( size_t no )

overridevirtual

Reimplemented from cnft.

Definition at line 109 of file qbf_squolem.cpp.

◆ set_quantifier()

void qbf_squolemt::set_quantifier ( const quantifiert::typet type,

const literalt l

)

override

Definition at line 115 of file qbf_squolem.cpp.

◆ solver_text()

std::string qbf_squolemt::solver_text ( ) const

overridevirtual

Reimplemented from dimacs_cnft.

Definition at line 29 of file qbf_squolem.cpp.

Member Data Documentation

◆ early_decision

bool qbf_squolemt::early_decision

protected

Definition at line 23 of file qbf_squolem.h.

◆ squolem

Squolem2 qbf_squolemt::squolem

protected

Definition at line 22 of file qbf_squolem.h.

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

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