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satcheck_ipasirt Class Reference

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

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_collectortsolver_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
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: