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)
 
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
 
expr as_expr () const
 
- Public Member Functions inherited from object
 object (context &c)
 
 object (object const &s)
 
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 2028 of file z3++.h.

Constructor & Destructor Documentation

§ goal() [1/3]

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

Definition at line 2035 of file z3++.h.

2035 :object(c) { init(Z3_mk_goal(c, models, unsat_cores, proofs)); }
Z3_goal Z3_API Z3_mk_goal(Z3_context c, Z3_bool models, Z3_bool unsat_cores, Z3_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:362

§ goal() [2/3]

goal ( context c,
Z3_goal  s 
)
inline

Definition at line 2036 of file z3++.h.

2036 :object(c) { init(s); }
object(context &c)
Definition: z3++.h:362

§ goal() [3/3]

goal ( goal const &  s)
inline

Definition at line 2037 of file z3++.h.

2037 :object(s) { init(s.m_goal); }
object(context &c)
Definition: z3++.h:362

§ ~goal()

~goal ( )
inline

Definition at line 2038 of file z3++.h.

2038 { Z3_goal_dec_ref(ctx(), m_goal); }
context & ctx() const
Definition: z3++.h:364
void Z3_API Z3_goal_dec_ref(Z3_context c, Z3_goal g)
Decrement the reference counter of the given goal.

Member Function Documentation

§ add()

void add ( expr const &  f)
inline

Definition at line 2047 of file z3++.h.

2047 { check_context(*this, f); Z3_goal_assert(ctx(), m_goal, f); check_error(); }
Z3_error_code check_error() const
Definition: z3++.h:365
context & ctx() const
Definition: z3++.h:364
friend void check_context(object const &a, object const &b)
Definition: z3++.h:368
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...

§ as_expr()

expr as_expr ( ) const
inline

Definition at line 2059 of file z3++.h.

2059  {
2060  unsigned n = size();
2061  if (n == 0)
2062  return ctx().bool_val(true);
2063  else if (n == 1)
2064  return operator[](0);
2065  else {
2066  array<Z3_ast> args(n);
2067  for (unsigned i = 0; i < n; i++)
2068  args[i] = operator[](i);
2069  return expr(ctx(), Z3_mk_and(ctx(), n, args.ptr()));
2070  }
2071  }
unsigned size() const
Definition: z3++.h:2050
expr operator[](int i) const
Definition: z3++.h:2051
context & ctx() const
Definition: z3++.h:364
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].
expr bool_val(bool b)
Definition: z3++.h:2510

§ depth()

unsigned depth ( ) const
inline

Definition at line 2054 of file z3++.h.

2054 { return Z3_goal_depth(ctx(), m_goal); }
context & ctx() const
Definition: z3++.h:364
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...

§ inconsistent()

bool inconsistent ( ) const
inline

Definition at line 2053 of file z3++.h.

2053 { return Z3_goal_inconsistent(ctx(), m_goal) != 0; }
Z3_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:364

§ is_decided_sat()

bool is_decided_sat ( ) const
inline

Definition at line 2057 of file z3++.h.

2057 { return Z3_goal_is_decided_sat(ctx(), m_goal) != 0; }
context & ctx() const
Definition: z3++.h:364
Z3_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.

§ is_decided_unsat()

bool is_decided_unsat ( ) const
inline

Definition at line 2058 of file z3++.h.

2058 { return Z3_goal_is_decided_unsat(ctx(), m_goal) != 0; }
context & ctx() const
Definition: z3++.h:364
Z3_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...

§ num_exprs()

unsigned num_exprs ( ) const
inline

Definition at line 2056 of file z3++.h.

2056 { return Z3_goal_num_exprs(ctx(), m_goal); }
context & ctx() const
Definition: z3++.h:364
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()

operator Z3_goal ( ) const
inline

Definition at line 2039 of file z3++.h.

2039 { return m_goal; }

§ operator=()

goal& operator= ( goal const &  s)
inline

Definition at line 2040 of file z3++.h.

2040  {
2041  Z3_goal_inc_ref(s.ctx(), s.m_goal);
2042  Z3_goal_dec_ref(ctx(), m_goal);
2043  m_ctx = s.m_ctx;
2044  m_goal = s.m_goal;
2045  return *this;
2046  }
context & ctx() const
Definition: z3++.h:364
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.
context * m_ctx
Definition: z3++.h:360

§ operator[]()

expr operator[] ( int  i) const
inline

Definition at line 2051 of file z3++.h.

2051 { 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:365
context & ctx() const
Definition: z3++.h:364
Z3_ast Z3_API Z3_goal_formula(Z3_context c, Z3_goal g, unsigned idx)
Return a formula from the given goal.

§ precision()

Z3_goal_prec precision ( ) const
inline

Definition at line 2052 of file z3++.h.

2052 { return Z3_goal_precision(ctx(), m_goal); }
context & ctx() const
Definition: z3++.h:364
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...

§ reset()

void reset ( )
inline

Definition at line 2055 of file z3++.h.

2055 { 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:364

§ size()

unsigned size ( ) const
inline

Definition at line 2050 of file z3++.h.

2050 { return Z3_goal_size(ctx(), m_goal); }
context & ctx() const
Definition: z3++.h:364
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

§ operator<<

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

Definition at line 2074 of file z3++.h.

2074 { 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.