cprover
pbs_dimacs_cnft Class Reference

#include <pbs_dimacs_cnf.h>

+ Inheritance diagram for pbs_dimacs_cnft:
+ Collaboration diagram for pbs_dimacs_cnft:

Public Member Functions

 pbs_dimacs_cnft ()
 
virtual ~pbs_dimacs_cnft ()
 
virtual void write_dimacs_pb (std::ostream &out)
 
bool pbs_solve ()
 
virtual resultt prop_solve ()
 
virtual tvt l_get (literalt a) const
 
virtual const std::string solver_text ()
 
- Public Member Functions inherited from dimacs_cnft
 dimacs_cnft ()
 
virtual ~dimacs_cnft ()
 
virtual void write_dimacs_cnf (std::ostream &out)
 
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. More...
 
- Public Member Functions inherited from cnf_clause_listt
 cnf_clause_listt ()
 
virtual ~cnf_clause_listt ()
 
virtual void lcnf (const bvt &bv)
 
virtual size_t no_clauses () const
 
clausestget_clauses ()
 
void copy_to (cnft &cnf) const
 
size_t hash () const
 
- Public Member Functions inherited from cnft
 cnft ()
 
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...
 
virtual size_t no_variables () const override
 
virtual void set_no_variables (size_t no)
 
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...
 
- Public Member Functions inherited from propt
 propt ()
 
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_assumptions (const bvt &)
 
virtual bool has_set_assumptions () const
 
virtual void set_variable_name (literalt, const irep_idt &)
 
bvt new_variables (std::size_t width)
 generates a bitvector of given width with new variables More...
 
virtual bool has_is_in_conflict () const
 
virtual void set_frozen (literalt)
 
virtual void set_time_limit_seconds (uint32_t)
 
- Public Member Functions inherited from messaget
virtual void set_message_handler (message_handlert &_message_handler)
 
message_handlertget_message_handler ()
 
 messaget ()
 
 messaget (const messaget &other)
 
messagetoperator= (const messaget &other)
 
 messaget (message_handlert &_message_handler)
 
virtual ~messaget ()
 
mstreamtget_mstream (unsigned message_level) const
 
mstreamterror () const
 
mstreamtwarning () const
 
mstreamtresult () const
 
mstreamtstatus () const
 
mstreamtstatistics () const
 
mstreamtprogress () const
 
mstreamtdebug () const
 
void conditional_output (mstreamt &mstream, const std::function< void(mstreamt &)> &output_generator) const
 Generate output to message_stream using output_generator if the configured verbosity is at least as high as that of message_stream. More...
 

Public Attributes

bool optimize
 
bool maximize
 
bool binary_search
 
std::string pbs_path
 
int goal
 
int opt_sum
 
std::map< literalt, unsigned > pb_constraintmap
 

Protected Attributes

std::set< int > assigned
 
- 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
 
- Protected Attributes inherited from messaget
message_handlertmessage_handler
 
mstreamt mstream
 

Additional Inherited Members

- Public Types inherited from cnf_clause_listt
typedef std::list< bvtclausest
 
- Public Types inherited from propt
enum  resultt { resultt::P_SATISFIABLE, resultt::P_UNSATISFIABLE, resultt::P_ERROR }
 
- Public Types inherited from messaget
enum  message_levelt {
  M_ERROR =1, M_WARNING =2, M_RESULT =4, M_STATUS =6,
  M_STATISTICS =8, M_PROGRESS =9, M_DEBUG =10
}
 
- Static Public Member Functions inherited from cnf_clause_listt
static size_t hash_clause (const bvt &bv)
 
- Static Public Member Functions inherited from cnft
static bvt eliminate_duplicates (const bvt &)
 eliminate duplicates from given vector of literals More...
 
- Static Public Member Functions inherited from messaget
static unsigned eval_verbosity (const std::string &user_input, const message_levelt default_verbosity, message_handlert &dest)
 Parse a (user-)provided string as a verbosity level and set it as the verbosity of dest. More...
 
static commandt command (unsigned c)
 Create an ECMA-48 SGR (Select Graphic Rendition) command. More...
 
- Static Public Attributes inherited from messaget
static eomt eom
 
static const commandt reset
 return to default formatting, as defined by the terminal More...
 
static const commandt red
 render text with red foreground color More...
 
static const commandt green
 render text with green foreground color More...
 
static const commandt yellow
 render text with yellow foreground color More...
 
static const commandt blue
 render text with blue foreground color More...
 
static const commandt magenta
 render text with magenta foreground color More...
 
static const commandt cyan
 render text with cyan foreground color More...
 
static const commandt bright_red
 render text with bright red foreground color More...
 
static const commandt bright_green
 render text with bright green foreground color More...
 
static const commandt bright_yellow
 render text with bright yellow foreground color More...
 
static const commandt bright_blue
 render text with bright blue foreground color More...
 
static const commandt bright_magenta
 render text with bright magenta foreground color More...
 
static const commandt bright_cyan
 render text with bright cyan foreground color More...
 
static const commandt bold
 render text with bold font More...
 
static const commandt faint
 render text with faint font More...
 
static const commandt italic
 render italic text More...
 
static const commandt underline
 render underlined text More...
 
- Protected Member Functions inherited from dimacs_cnft
void write_problem_line (std::ostream &out)
 
void write_clauses (std::ostream &out)
 
- Protected Member Functions inherited from cnft
bool process_clause (const bvt &bv, bvt &dest)
 filter 'true' from clause, eliminate duplicates, recognise trivially satisfied clauses More...
 
- Static Protected Member Functions inherited from cnft
static bool is_all (const bvt &bv, literalt l)
 

Detailed Description

Definition at line 19 of file pbs_dimacs_cnf.h.

Constructor & Destructor Documentation

◆ pbs_dimacs_cnft()

pbs_dimacs_cnft::pbs_dimacs_cnft ( )
inline

Definition at line 22 of file pbs_dimacs_cnf.h.

◆ ~pbs_dimacs_cnft()

virtual pbs_dimacs_cnft::~pbs_dimacs_cnft ( )
inlinevirtual

Definition at line 31 of file pbs_dimacs_cnf.h.

Member Function Documentation

◆ l_get()

tvt pbs_dimacs_cnft::l_get ( literalt  a) const
virtual

Reimplemented from cnf_clause_listt.

Definition at line 244 of file pbs_dimacs_cnf.cpp.

◆ pbs_solve()

bool pbs_dimacs_cnft::pbs_solve ( )

Definition at line 61 of file pbs_dimacs_cnf.cpp.

◆ prop_solve()

propt::resultt pbs_dimacs_cnft::prop_solve ( )
virtual

Reimplemented from cnf_clause_listt.

Definition at line 207 of file pbs_dimacs_cnf.cpp.

◆ solver_text()

virtual const std::string pbs_dimacs_cnft::solver_text ( )
inlinevirtual

Reimplemented from dimacs_cnft.

Definition at line 56 of file pbs_dimacs_cnf.h.

◆ write_dimacs_pb()

void pbs_dimacs_cnft::write_dimacs_pb ( std::ostream &  out)
virtual

Definition at line 19 of file pbs_dimacs_cnf.cpp.

Member Data Documentation

◆ assigned

std::set<int> pbs_dimacs_cnft::assigned
protected

Definition at line 62 of file pbs_dimacs_cnf.h.

◆ binary_search

bool pbs_dimacs_cnft::binary_search

Definition at line 39 of file pbs_dimacs_cnf.h.

◆ goal

int pbs_dimacs_cnft::goal

Definition at line 43 of file pbs_dimacs_cnf.h.

◆ maximize

bool pbs_dimacs_cnft::maximize

Definition at line 38 of file pbs_dimacs_cnf.h.

◆ opt_sum

int pbs_dimacs_cnft::opt_sum

Definition at line 44 of file pbs_dimacs_cnf.h.

◆ optimize

bool pbs_dimacs_cnft::optimize

Definition at line 37 of file pbs_dimacs_cnf.h.

◆ pb_constraintmap

std::map<literalt, unsigned> pbs_dimacs_cnft::pb_constraintmap

Definition at line 46 of file pbs_dimacs_cnf.h.

◆ pbs_path

std::string pbs_dimacs_cnft::pbs_path

Definition at line 41 of file pbs_dimacs_cnf.h.


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