Public Member Functions
fixedpoint Class Reference
+ Inheritance diagram for fixedpoint:

Public Member Functions

 fixedpoint (context &c)
 fixedpoint (fixedpoint const &o)
 ~fixedpoint ()
fixedpointoperator= (fixedpoint const &o)
 operator Z3_fixedpoint () const
expr_vector from_string (char const *s)
expr_vector from_file (char const *s)
void add_rule (expr &rule, symbol const &name)
void add_fact (func_decl &f, unsigned *args)
check_result query (expr &q)
check_result query (func_decl_vector &relations)
expr get_answer ()
std::string reason_unknown ()
void update_rule (expr &rule, symbol const &name)
unsigned get_num_levels (func_decl &p)
expr get_cover_delta (int level, func_decl &p)
void add_cover (int level, func_decl &p, expr &property)
stats statistics () const
void register_relation (func_decl &p)
expr_vector assertions () const
expr_vector rules () const
void set (params const &p)
std::string help () const
param_descrs get_param_descrs ()
std::string to_string ()
std::string to_string (expr_vector const &queries)
- Public Member Functions inherited from object
 object (context &c)
contextctx () const
Z3_error_code check_error () const

Additional Inherited Members

- Protected Attributes inherited from object

Detailed Description

Definition at line 3249 of file z3++.h.

Constructor & Destructor Documentation

◆ fixedpoint() [1/2]

fixedpoint ( context c)

◆ fixedpoint() [2/2]

fixedpoint ( fixedpoint const &  o)

◆ ~fixedpoint()

~fixedpoint ( )

Definition at line 3254 of file z3++.h.

3254 { Z3_fixedpoint_dec_ref(ctx(), m_fp); }
void Z3_API Z3_fixedpoint_dec_ref(Z3_context c, Z3_fixedpoint d)
Decrement the reference counter of the given fixedpoint context.

Member Function Documentation

◆ add_cover()

void add_cover ( int  level,
func_decl p,
expr property 

Definition at line 3291 of file z3++.h.

3291 { Z3_fixedpoint_add_cover(ctx(), m_fp, level, p, property); check_error(); }
Z3_error_code check_error() const
Definition: z3++.h:464
void Z3_API Z3_fixedpoint_add_cover(Z3_context c, Z3_fixedpoint d, int level, Z3_func_decl pred, Z3_ast property)
Add property about the predicate pred. Add a property of predicate pred at level. It gets pushed forw...

◆ add_fact()

void add_fact ( func_decl f,
unsigned *  args 

Definition at line 3274 of file z3++.h.

3274 { Z3_fixedpoint_add_fact(ctx(), m_fp, f, f.arity(), args); check_error(); }
void Z3_API Z3_fixedpoint_add_fact(Z3_context c, Z3_fixedpoint d, Z3_func_decl r, unsigned num_args, unsigned args[])
Add a Database fact.

◆ add_rule()

void add_rule ( expr rule,
symbol const &  name 

Definition at line 3273 of file z3++.h.

3273 { Z3_fixedpoint_add_rule(ctx(), m_fp, rule, name); check_error(); }
void Z3_API Z3_fixedpoint_add_rule(Z3_context c, Z3_fixedpoint d, Z3_ast rule, Z3_symbol name)
Add a universal Horn clause as a named rule. The horn_rule should be of the form:

Referenced by Fixedpoint::fact(), and Fixedpoint::rule().

◆ assertions()

expr_vector assertions ( ) const

Definition at line 3294 of file z3++.h.

3294 { Z3_ast_vector r = Z3_fixedpoint_get_assertions(ctx(), m_fp); check_error(); return expr_vector(ctx(), r); }
Z3_ast_vector Z3_API Z3_fixedpoint_get_assertions(Z3_context c, Z3_fixedpoint f)
Retrieve set of background assertions from fixedpoint context.
System.IntPtr Z3_ast_vector
ast_vector_tpl< expr > expr_vector
Definition: z3++.h:75

Referenced by Solver::to_smt2().

◆ from_file()

expr_vector from_file ( char const *  s)

Definition at line 3268 of file z3++.h.

3268  {
3269  Z3_ast_vector r = Z3_fixedpoint_from_file(ctx(), m_fp, s);
3270  check_error();
3271  return expr_vector(ctx(), r);
3272  }
Z3_ast_vector Z3_API Z3_fixedpoint_from_file(Z3_context c, Z3_fixedpoint f, Z3_string s)
Parse an SMT-LIB2 file with fixedpoint rules. Add the rules to the current fixedpoint context....

◆ from_string()

expr_vector from_string ( char const *  s)

Definition at line 3263 of file z3++.h.

3263  {
3264  Z3_ast_vector r = Z3_fixedpoint_from_string(ctx(), m_fp, s);
3265  check_error();
3266  return expr_vector(ctx(), r);
3267  }
Z3_ast_vector Z3_API Z3_fixedpoint_from_string(Z3_context c, Z3_fixedpoint f, Z3_string s)
Parse an SMT-LIB2 string with fixedpoint rules. Add the rules to the current fixedpoint context....

◆ get_answer()

expr get_answer ( )

Definition at line 3282 of file z3++.h.

3282 { Z3_ast r = Z3_fixedpoint_get_answer(ctx(), m_fp); check_error(); return expr(ctx(), r); }
Z3_ast Z3_API Z3_fixedpoint_get_answer(Z3_context c, Z3_fixedpoint d)
Retrieve a formula that encodes satisfying answers to the query.
System.IntPtr Z3_ast

◆ get_cover_delta()

expr get_cover_delta ( int  level,
func_decl p 

Definition at line 3286 of file z3++.h.

3286  {
3287  Z3_ast r = Z3_fixedpoint_get_cover_delta(ctx(), m_fp, level, p);
3288  check_error();
3289  return expr(ctx(), r);
3290  }
Z3_ast Z3_API Z3_fixedpoint_get_cover_delta(Z3_context c, Z3_fixedpoint d, int level, Z3_func_decl pred)

◆ get_num_levels()

unsigned get_num_levels ( func_decl p)

Definition at line 3285 of file z3++.h.

3285 { unsigned r = Z3_fixedpoint_get_num_levels(ctx(), m_fp, p); check_error(); return r; }
unsigned Z3_API Z3_fixedpoint_get_num_levels(Z3_context c, Z3_fixedpoint d, Z3_func_decl pred)
Query the PDR engine for the maximal levels properties are known about predicate.

◆ get_param_descrs()

param_descrs get_param_descrs ( )

Definition at line 3298 of file z3++.h.

3298 { return param_descrs(ctx(), Z3_fixedpoint_get_param_descrs(ctx(), m_fp)); }
Z3_param_descrs Z3_API Z3_fixedpoint_get_param_descrs(Z3_context c, Z3_fixedpoint f)
Return the parameter description set for the given fixedpoint object.

◆ help()

std::string help ( ) const

Definition at line 3297 of file z3++.h.

3297 { return Z3_fixedpoint_get_help(ctx(), m_fp); }
Z3_string Z3_API Z3_fixedpoint_get_help(Z3_context c, Z3_fixedpoint f)
Return a string describing all fixedpoint available parameters.

◆ operator Z3_fixedpoint()

operator Z3_fixedpoint ( ) const

Definition at line 3262 of file z3++.h.

3262 { return m_fp; }

◆ operator=()

fixedpoint& operator= ( fixedpoint const &  o)

Definition at line 3255 of file z3++.h.

3255  {
3256  Z3_fixedpoint_inc_ref(o.ctx(), o.m_fp);
3257  Z3_fixedpoint_dec_ref(ctx(), m_fp);
3258  m_fp = o.m_fp;
3259  object::operator=(o);
3260  return *this;
3261  }

◆ query() [1/2]

check_result query ( expr q)

Definition at line 3275 of file z3++.h.

3275 { Z3_lbool r = Z3_fixedpoint_query(ctx(), m_fp, q); check_error(); return to_check_result(r); }
Lifted Boolean type: false, undefined, true.
Definition: z3_api.h:60
Z3_lbool Z3_API Z3_fixedpoint_query(Z3_context c, Z3_fixedpoint d, Z3_ast query)
Pose a query against the asserted rules.
check_result to_check_result(Z3_lbool l)
Definition: z3++.h:146

◆ query() [2/2]

check_result query ( func_decl_vector relations)

Definition at line 3276 of file z3++.h.

3276  {
3277  array<Z3_func_decl> rs(relations);
3278  Z3_lbool r = Z3_fixedpoint_query_relations(ctx(), m_fp, rs.size(), rs.ptr());
3279  check_error();
3280  return to_check_result(r);
3281  }
Z3_lbool Z3_API Z3_fixedpoint_query_relations(Z3_context c, Z3_fixedpoint d, unsigned num_relations, Z3_func_decl const relations[])
Pose multiple queries against the asserted rules.

◆ reason_unknown()

std::string reason_unknown ( )

Definition at line 3283 of file z3++.h.

3283 { return Z3_fixedpoint_get_reason_unknown(ctx(), m_fp); }
Z3_string Z3_API Z3_fixedpoint_get_reason_unknown(Z3_context c, Z3_fixedpoint d)
Retrieve a string that describes the last status returned by Z3_fixedpoint_query.

◆ register_relation()

void register_relation ( func_decl p)

Definition at line 3293 of file z3++.h.

3293 { Z3_fixedpoint_register_relation(ctx(), m_fp, p); }
void Z3_API Z3_fixedpoint_register_relation(Z3_context c, Z3_fixedpoint d, Z3_func_decl f)
Register relation as Fixedpoint defined. Fixedpoint defined relations have least-fixedpoint semantics...

◆ rules()

expr_vector rules ( ) const

Definition at line 3295 of file z3++.h.

3295 { Z3_ast_vector r = Z3_fixedpoint_get_rules(ctx(), m_fp); check_error(); return expr_vector(ctx(), r); }
Z3_ast_vector Z3_API Z3_fixedpoint_get_rules(Z3_context c, Z3_fixedpoint f)
Retrieve set of rules from fixedpoint context.

◆ set()

void set ( params const &  p)

Definition at line 3296 of file z3++.h.

3296 { Z3_fixedpoint_set_params(ctx(), m_fp, p); check_error(); }
void Z3_API Z3_fixedpoint_set_params(Z3_context c, Z3_fixedpoint f, Z3_params p)
Set parameters on fixedpoint context.

◆ statistics()

stats statistics ( ) const

Definition at line 3292 of file z3++.h.

3292 { Z3_stats r = Z3_fixedpoint_get_statistics(ctx(), m_fp); check_error(); return stats(ctx(), r); }
Z3_stats Z3_API Z3_fixedpoint_get_statistics(Z3_context c, Z3_fixedpoint d)
Retrieve statistics information from the last call to Z3_fixedpoint_query.
System.IntPtr Z3_stats

◆ to_string() [1/2]

std::string to_string ( )

Definition at line 3299 of file z3++.h.

3299 { return Z3_fixedpoint_to_string(ctx(), m_fp, 0, 0); }
Z3_string Z3_API Z3_fixedpoint_to_string(Z3_context c, Z3_fixedpoint f, unsigned num_queries, Z3_ast queries[])
Print the current rules and background axioms as a string.

◆ to_string() [2/2]

std::string to_string ( expr_vector const &  queries)

Definition at line 3300 of file z3++.h.

3300  {
3301  array<Z3_ast> qs(queries);
3302  return Z3_fixedpoint_to_string(ctx(), m_fp, qs.size(), qs.ptr());
3303  }

◆ update_rule()

void update_rule ( expr rule,
symbol const &  name 

Definition at line 3284 of file z3++.h.

3284 { Z3_fixedpoint_update_rule(ctx(), m_fp, rule, name); check_error(); }
void Z3_API Z3_fixedpoint_update_rule(Z3_context c, Z3_fixedpoint d, Z3_ast a, Z3_symbol name)
Update a named rule. A rule with the same name must have been previously created.