cprover
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#include <pbs_dimacs_cnf.h>
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 () |
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dimacs_cnft () | |
virtual | ~dimacs_cnft () |
virtual void | write_dimacs_cnf (std::ostream &out) |
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cnf_clause_listt () | |
virtual | ~cnf_clause_listt () |
virtual void | lcnf (const bvt &bv) |
virtual size_t | no_clauses () const |
clausest & | get_clauses () |
void | copy_to (cnft &cnf) const |
size_t | hash () const |
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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... | |
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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 &_assumptions) |
virtual bool | has_set_assumptions () const |
virtual void | set_variable_name (literalt a, const irep_idt &name) |
bvt | new_variables (std::size_t width) |
generates a bitvector of given width with new variables More... | |
virtual void | set_assignment (literalt a, bool value) |
virtual void | copy_assignment_from (const propt &prop) |
virtual bool | is_in_conflict (literalt l) const |
virtual bool | has_is_in_conflict () const |
virtual void | set_frozen (literalt a) |
virtual void | set_time_limit_seconds (uint32_t lim) |
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 |
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bool | break_lines |
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clausest | clauses |
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size_t | _no_variables |
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bvt | lcnf_bv |
Additional Inherited Members | |
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typedef std::list< bvt > | clausest |
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enum | resultt { resultt::P_SATISFIABLE, resultt::P_UNSATISFIABLE, resultt::P_ERROR } |
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static size_t | hash_clause (const bvt &bv) |
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static bvt | eliminate_duplicates (const bvt &) |
eliminate duplicates from given vector of literals More... | |
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void | write_problem_line (std::ostream &out) |
void | write_clauses (std::ostream &out) |
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bool | process_clause (const bvt &bv, bvt &dest) |
filter 'true' from clause, eliminate duplicates, recognise trivially satisfied clauses More... | |
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static bool | is_all (const bvt &bv, literalt l) |
Definition at line 19 of file pbs_dimacs_cnf.h.
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inline |
Definition at line 22 of file pbs_dimacs_cnf.h.
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inlinevirtual |
Definition at line 31 of file pbs_dimacs_cnf.h.
Reimplemented from cnf_clause_listt.
Definition at line 244 of file pbs_dimacs_cnf.cpp.
References assigned, literalt::dimacs(), and neg().
bool pbs_dimacs_cnft::pbs_solve | ( | ) |
Definition at line 61 of file pbs_dimacs_cnf.cpp.
References assigned, binary_search, CHECK_RETURN, messaget::eom(), messaget::error(), cnft::no_variables(), opt_sum, optimize, pbs_path, and messaget::status().
Referenced by prop_solve().
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virtual |
Reimplemented from cnf_clause_listt.
Definition at line 207 of file pbs_dimacs_cnf.cpp.
References cnf_clause_listt::clauses, messaget::eom(), cnft::no_variables(), opt_sum, optimize, propt::P_SATISFIABLE, propt::P_UNSATISFIABLE, pbs_solve(), messaget::result(), messaget::status(), dimacs_cnft::write_dimacs_cnf(), and write_dimacs_pb().
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inlinevirtual |
Reimplemented from dimacs_cnft.
Definition at line 56 of file pbs_dimacs_cnf.h.
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virtual |
Definition at line 19 of file pbs_dimacs_cnf.cpp.
References goal, maximize, cnft::no_variables(), optimize, and pb_constraintmap.
Referenced by prop_solve().
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protected |
Definition at line 62 of file pbs_dimacs_cnf.h.
Referenced by l_get(), and pbs_solve().
bool pbs_dimacs_cnft::binary_search |
Definition at line 39 of file pbs_dimacs_cnf.h.
Referenced by pbs_solve().
int pbs_dimacs_cnft::goal |
Definition at line 43 of file pbs_dimacs_cnf.h.
Referenced by write_dimacs_pb().
bool pbs_dimacs_cnft::maximize |
Definition at line 38 of file pbs_dimacs_cnf.h.
Referenced by write_dimacs_pb().
int pbs_dimacs_cnft::opt_sum |
Definition at line 44 of file pbs_dimacs_cnf.h.
Referenced by pbs_solve(), and prop_solve().
bool pbs_dimacs_cnft::optimize |
Definition at line 37 of file pbs_dimacs_cnf.h.
Referenced by pbs_solve(), prop_solve(), and write_dimacs_pb().
std::map<literalt, unsigned> pbs_dimacs_cnft::pb_constraintmap |
Definition at line 46 of file pbs_dimacs_cnf.h.
Referenced by write_dimacs_pb().
std::string pbs_dimacs_cnft::pbs_path |
Definition at line 41 of file pbs_dimacs_cnf.h.
Referenced by pbs_solve().