Z3
Public Member Functions | Friends
goal Class Reference
+ Inheritance diagram for goal:

Public Member Functions

 goal (context &c, bool models=true, bool unsat_cores=false, bool proofs=false)
 
 goal (context &c, Z3_goal s)
 
 goal (goal const &s)
 
 ~goal ()
 
 operator Z3_goal () const
 
goaloperator= (goal const &s)
 
void add (expr const &f)
 
void add (expr_vector const &v)
 
unsigned size () const
 
expr operator[] (int i) const
 
Z3_goal_prec precision () const
 
bool inconsistent () const
 
unsigned depth () const
 
void reset ()
 
unsigned num_exprs () const
 
bool is_decided_sat () const
 
bool is_decided_unsat () const
 
model convert_model (model const &m) const
 
model get_model () const
 
expr as_expr () const
 
std::string dimacs (bool include_names=true) const
 
- Public Member Functions inherited from object
 object (context &c)
 
contextctx () const
 
Z3_error_code check_error () const
 

Friends

std::ostream & operator<< (std::ostream &out, goal const &g)
 

Additional Inherited Members

- Protected Attributes inherited from object
contextm_ctx
 

Detailed Description

Definition at line 2960 of file z3++.h.

Constructor & Destructor Documentation

goal ( context c,
bool  models = true,
bool  unsat_cores = false,
bool  proofs = false 
)
inline

Definition at line 2967 of file z3++.h.

2967 :object(c) { init(Z3_mk_goal(c, models, unsat_cores, proofs)); }
Z3_goal Z3_API Z3_mk_goal(Z3_context c, bool models, bool unsat_cores, bool proofs)
Create a goal (aka problem). A goal is essentially a set of formulas, that can be solved and/or trans...
object(context &c)
Definition: z3++.h:472
goal ( context c,
Z3_goal  s 
)
inline

Definition at line 2968 of file z3++.h.

2968 :object(c) { init(s); }
object(context &c)
Definition: z3++.h:472
goal ( goal const &  s)
inline

Definition at line 2969 of file z3++.h.

2969 :object(s) { init(s.m_goal); }
object(context &c)
Definition: z3++.h:472
~goal ( )
inline

Definition at line 2970 of file z3++.h.

2970 { Z3_goal_dec_ref(ctx(), m_goal); }
context & ctx() const
Definition: z3++.h:473
void Z3_API Z3_goal_dec_ref(Z3_context c, Z3_goal g)
Decrement the reference counter of the given goal.

Member Function Documentation

void add ( expr const &  f)
inline

Definition at line 2979 of file z3++.h.

2979 { check_context(*this, f); Z3_goal_assert(ctx(), m_goal, f); check_error(); }
Z3_error_code check_error() const
Definition: z3++.h:474
context & ctx() const
Definition: z3++.h:473
friend void check_context(object const &a, object const &b)
Definition: z3++.h:477
void Z3_API Z3_goal_assert(Z3_context c, Z3_goal g, Z3_ast a)
Add a new formula a to the given goal. The formula is split according to the following procedure that...
void add ( expr_vector const &  v)
inline

Definition at line 2980 of file z3++.h.

Referenced by goal::add().

2980 { check_context(*this, v); for (unsigned i = 0; i < v.size(); ++i) add(v[i]); }
friend void check_context(object const &a, object const &b)
Definition: z3++.h:477
void add(expr const &f)
Definition: z3++.h:2979
expr as_expr ( ) const
inline

Definition at line 3001 of file z3++.h.

3001  {
3002  unsigned n = size();
3003  if (n == 0)
3004  return ctx().bool_val(true);
3005  else if (n == 1)
3006  return operator[](0u);
3007  else {
3008  array<Z3_ast> args(n);
3009  for (unsigned i = 0; i < n; i++)
3010  args[i] = operator[](i);
3011  return expr(ctx(), Z3_mk_and(ctx(), n, args.ptr()));
3012  }
3013  }
expr operator[](int i) const
Definition: z3++.h:2982
context & ctx() const
Definition: z3++.h:473
Z3_ast Z3_API Z3_mk_and(Z3_context c, unsigned num_args, Z3_ast const args[])
Create an AST node representing args[0] and ... and args[num_args-1].
unsigned size() const
Definition: z3++.h:2981
expr bool_val(bool b)
Definition: z3++.h:3740
model convert_model ( model const &  m) const
inline

Definition at line 2990 of file z3++.h.

2990  {
2991  check_context(*this, m);
2992  Z3_model new_m = Z3_goal_convert_model(ctx(), m_goal, m);
2993  check_error();
2994  return model(ctx(), new_m);
2995  }
Z3_model Z3_API Z3_goal_convert_model(Z3_context c, Z3_goal g, Z3_model m)
Convert a model of the formulas of a goal to a model of an original goal. The model may be null...
Z3_error_code check_error() const
Definition: z3++.h:474
context & ctx() const
Definition: z3++.h:473
friend void check_context(object const &a, object const &b)
Definition: z3++.h:477
unsigned depth ( ) const
inline

Definition at line 2985 of file z3++.h.

2985 { return Z3_goal_depth(ctx(), m_goal); }
unsigned Z3_API Z3_goal_depth(Z3_context c, Z3_goal g)
Return the depth of the given goal. It tracks how many transformations were applied to it...
context & ctx() const
Definition: z3++.h:473
std::string dimacs ( bool  include_names = true) const
inline

Definition at line 3014 of file z3++.h.

3014 { return std::string(Z3_goal_to_dimacs_string(ctx(), m_goal, include_names)); }
Z3_string Z3_API Z3_goal_to_dimacs_string(Z3_context c, Z3_goal g, bool include_names)
Convert a goal into a DIMACS formatted string. The goal must be in CNF. You can convert a goal to CNF...
context & ctx() const
Definition: z3++.h:473
model get_model ( ) const
inline

Definition at line 2996 of file z3++.h.

2996  {
2997  Z3_model new_m = Z3_goal_convert_model(ctx(), m_goal, 0);
2998  check_error();
2999  return model(ctx(), new_m);
3000  }
Z3_model Z3_API Z3_goal_convert_model(Z3_context c, Z3_goal g, Z3_model m)
Convert a model of the formulas of a goal to a model of an original goal. The model may be null...
Z3_error_code check_error() const
Definition: z3++.h:474
context & ctx() const
Definition: z3++.h:473
bool inconsistent ( ) const
inline

Definition at line 2984 of file z3++.h.

2984 { return Z3_goal_inconsistent(ctx(), m_goal); }
bool Z3_API Z3_goal_inconsistent(Z3_context c, Z3_goal g)
Return true if the given goal contains the formula false.
context & ctx() const
Definition: z3++.h:473
bool is_decided_sat ( ) const
inline

Definition at line 2988 of file z3++.h.

2988 { return Z3_goal_is_decided_sat(ctx(), m_goal); }
context & ctx() const
Definition: z3++.h:473
bool Z3_API Z3_goal_is_decided_sat(Z3_context c, Z3_goal g)
Return true if the goal is empty, and it is precise or the product of a under approximation.
bool is_decided_unsat ( ) const
inline

Definition at line 2989 of file z3++.h.

2989 { return Z3_goal_is_decided_unsat(ctx(), m_goal); }
bool Z3_API Z3_goal_is_decided_unsat(Z3_context c, Z3_goal g)
Return true if the goal contains false, and it is precise or the product of an over approximation...
context & ctx() const
Definition: z3++.h:473
unsigned num_exprs ( ) const
inline

Definition at line 2987 of file z3++.h.

2987 { return Z3_goal_num_exprs(ctx(), m_goal); }
context & ctx() const
Definition: z3++.h:473
unsigned Z3_API Z3_goal_num_exprs(Z3_context c, Z3_goal g)
Return the number of formulas, subformulas and terms in the given goal.
operator Z3_goal ( ) const
inline

Definition at line 2971 of file z3++.h.

2971 { return m_goal; }
goal& operator= ( goal const &  s)
inline

Definition at line 2972 of file z3++.h.

2972  {
2973  Z3_goal_inc_ref(s.ctx(), s.m_goal);
2974  Z3_goal_dec_ref(ctx(), m_goal);
2975  object::operator=(s);
2976  m_goal = s.m_goal;
2977  return *this;
2978  }
context & ctx() const
Definition: z3++.h:473
void Z3_API Z3_goal_dec_ref(Z3_context c, Z3_goal g)
Decrement the reference counter of the given goal.
void Z3_API Z3_goal_inc_ref(Z3_context c, Z3_goal g)
Increment the reference counter of the given goal.
expr operator[] ( int  i) const
inline

Definition at line 2982 of file z3++.h.

Referenced by goal::as_expr().

2982 { assert(0 <= i); Z3_ast r = Z3_goal_formula(ctx(), m_goal, i); check_error(); return expr(ctx(), r); }
Z3_error_code check_error() const
Definition: z3++.h:474
context & ctx() const
Definition: z3++.h:473
Z3_ast Z3_API Z3_goal_formula(Z3_context c, Z3_goal g, unsigned idx)
Return a formula from the given goal.
Z3_goal_prec precision ( ) const
inline

Definition at line 2983 of file z3++.h.

2983 { return Z3_goal_precision(ctx(), m_goal); }
context & ctx() const
Definition: z3++.h:473
Z3_goal_prec Z3_API Z3_goal_precision(Z3_context c, Z3_goal g)
Return the "precision" of the given goal. Goals can be transformed using over and under approximation...
void reset ( )
inline

Definition at line 2986 of file z3++.h.

2986 { Z3_goal_reset(ctx(), m_goal); }
void Z3_API Z3_goal_reset(Z3_context c, Z3_goal g)
Erase all formulas from the given goal.
context & ctx() const
Definition: z3++.h:473
unsigned size ( ) const
inline

Definition at line 2981 of file z3++.h.

Referenced by goal::as_expr().

2981 { return Z3_goal_size(ctx(), m_goal); }
context & ctx() const
Definition: z3++.h:473
unsigned Z3_API Z3_goal_size(Z3_context c, Z3_goal g)
Return the number of formulas in the given goal.

Friends And Related Function Documentation

std::ostream& operator<< ( std::ostream &  out,
goal const &  g 
)
friend

Definition at line 3017 of file z3++.h.

3017 { out << Z3_goal_to_string(g.ctx(), g); return out; }
Z3_string Z3_API Z3_goal_to_string(Z3_context c, Z3_goal g)
Convert a goal into a string.