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qbf_squolemt Class Reference

#include <qbf_squolem.h>

Inheritance diagram for qbf_squolemt:
Collaboration diagram for qbf_squolemt:

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 ()
clausestget_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
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< quantifiertquantifierst
Public Types inherited from cnf_clause_listt
typedef std::list< bvtclausest
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
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
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: