Z3
 
Loading...
Searching...
No Matches
ApplyResult Class Reference
+ Inheritance diagram for ApplyResult:

Public Member Functions

 __init__ (self, result, ctx)
 
 __deepcopy__ (self, memo={})
 
 __del__ (self)
 
 __len__ (self)
 
 __getitem__ (self, idx)
 
 __repr__ (self)
 
 sexpr (self)
 
 as_expr (self)
 
- Public Member Functions inherited from Z3PPObject
 use_pp (self)
 

Data Fields

 result = result
 
 ctx = ctx
 

Additional Inherited Members

- Protected Member Functions inherited from Z3PPObject
 _repr_html_ (self)
 

Detailed Description

An ApplyResult object contains the subgoals produced by a tactic when applied to a goal.
It also contains model and proof converters.

Definition at line 8214 of file z3py.py.

Constructor & Destructor Documentation

◆ __init__()

__init__ ( self,
result,
ctx )

Definition at line 8219 of file z3py.py.

8219 def __init__(self, result, ctx):
8220 self.result = result
8221 self.ctx = ctx
8222 Z3_apply_result_inc_ref(self.ctx.ref(), self.result)
8223
void Z3_API Z3_apply_result_inc_ref(Z3_context c, Z3_apply_result r)
Increment the reference counter of the given Z3_apply_result object.

◆ __del__()

__del__ ( self)

Definition at line 8227 of file z3py.py.

8227 def __del__(self):
8228 if self.ctx.ref() is not None and Z3_apply_result_dec_ref is not None:
8229 Z3_apply_result_dec_ref(self.ctx.ref(), self.result)
8230
void Z3_API Z3_apply_result_dec_ref(Z3_context c, Z3_apply_result r)
Decrement the reference counter of the given Z3_apply_result object.

Member Function Documentation

◆ __deepcopy__()

__deepcopy__ ( self,
memo = {} )

Definition at line 8224 of file z3py.py.

8224 def __deepcopy__(self, memo={}):
8225 return ApplyResult(self.result, self.ctx)
8226

◆ __getitem__()

__getitem__ ( self,
idx )
Return one of the subgoals stored in ApplyResult object `self`.

>>> a, b = Ints('a b')
>>> g = Goal()
>>> g.add(Or(a == 0, a == 1), Or(b == 0, b == 1), a > b)
>>> t = Tactic('split-clause')
>>> r = t(g)
>>> r[0]
[a == 0, Or(b == 0, b == 1), a > b]
>>> r[1]
[a == 1, Or(b == 0, b == 1), a > b]

Definition at line 8250 of file z3py.py.

8250 def __getitem__(self, idx):
8251 """Return one of the subgoals stored in ApplyResult object `self`.
8252
8253 >>> a, b = Ints('a b')
8254 >>> g = Goal()
8255 >>> g.add(Or(a == 0, a == 1), Or(b == 0, b == 1), a > b)
8256 >>> t = Tactic('split-clause')
8257 >>> r = t(g)
8258 >>> r[0]
8259 [a == 0, Or(b == 0, b == 1), a > b]
8260 >>> r[1]
8261 [a == 1, Or(b == 0, b == 1), a > b]
8262 """
8263 if idx >= len(self):
8264 raise IndexError
8265 return Goal(goal=Z3_apply_result_get_subgoal(self.ctx.ref(), self.result, idx), ctx=self.ctx)
8266
Z3_goal Z3_API Z3_apply_result_get_subgoal(Z3_context c, Z3_apply_result r, unsigned i)
Return one of the subgoals in the Z3_apply_result object returned by Z3_tactic_apply.

◆ __len__()

__len__ ( self)
Return the number of subgoals in `self`.

>>> a, b = Ints('a b')
>>> g = Goal()
>>> g.add(Or(a == 0, a == 1), Or(b == 0, b == 1), a > b)
>>> t = Tactic('split-clause')
>>> r = t(g)
>>> len(r)
2
>>> t = Then(Tactic('split-clause'), Tactic('split-clause'))
>>> len(t(g))
4
>>> t = Then(Tactic('split-clause'), Tactic('split-clause'), Tactic('propagate-values'))
>>> len(t(g))
1

Definition at line 8231 of file z3py.py.

8231 def __len__(self):
8232 """Return the number of subgoals in `self`.
8233
8234 >>> a, b = Ints('a b')
8235 >>> g = Goal()
8236 >>> g.add(Or(a == 0, a == 1), Or(b == 0, b == 1), a > b)
8237 >>> t = Tactic('split-clause')
8238 >>> r = t(g)
8239 >>> len(r)
8240 2
8241 >>> t = Then(Tactic('split-clause'), Tactic('split-clause'))
8242 >>> len(t(g))
8243 4
8244 >>> t = Then(Tactic('split-clause'), Tactic('split-clause'), Tactic('propagate-values'))
8245 >>> len(t(g))
8246 1
8247 """
8248 return int(Z3_apply_result_get_num_subgoals(self.ctx.ref(), self.result))
8249
unsigned Z3_API Z3_apply_result_get_num_subgoals(Z3_context c, Z3_apply_result r)
Return the number of subgoals in the Z3_apply_result object returned by Z3_tactic_apply.

Referenced by AstVector.__getitem__(), and AstVector.__setitem__().

◆ __repr__()

__repr__ ( self)

Definition at line 8267 of file z3py.py.

8267 def __repr__(self):
8268 return obj_to_string(self)
8269

◆ as_expr()

as_expr ( self)
Return a Z3 expression consisting of all subgoals.

>>> x = Int('x')
>>> g = Goal()
>>> g.add(x > 1)
>>> g.add(Or(x == 2, x == 3))
>>> r = Tactic('simplify')(g)
>>> r
[[Not(x <= 1), Or(x == 2, x == 3)]]
>>> r.as_expr()
And(Not(x <= 1), Or(x == 2, x == 3))
>>> r = Tactic('split-clause')(g)
>>> r
[[x > 1, x == 2], [x > 1, x == 3]]
>>> r.as_expr()
Or(And(x > 1, x == 2), And(x > 1, x == 3))

Definition at line 8274 of file z3py.py.

8274 def as_expr(self):
8275 """Return a Z3 expression consisting of all subgoals.
8276
8277 >>> x = Int('x')
8278 >>> g = Goal()
8279 >>> g.add(x > 1)
8280 >>> g.add(Or(x == 2, x == 3))
8281 >>> r = Tactic('simplify')(g)
8282 >>> r
8283 [[Not(x <= 1), Or(x == 2, x == 3)]]
8284 >>> r.as_expr()
8285 And(Not(x <= 1), Or(x == 2, x == 3))
8286 >>> r = Tactic('split-clause')(g)
8287 >>> r
8288 [[x > 1, x == 2], [x > 1, x == 3]]
8289 >>> r.as_expr()
8290 Or(And(x > 1, x == 2), And(x > 1, x == 3))
8291 """
8292 sz = len(self)
8293 if sz == 0:
8294 return BoolVal(False, self.ctx)
8295 elif sz == 1:
8296 return self[0].as_expr()
8297 else:
8298 return Or([self[i].as_expr() for i in range(len(self))])
8299

◆ sexpr()

sexpr ( self)
Return a textual representation of the s-expression representing the set of subgoals in `self`.

Definition at line 8270 of file z3py.py.

8270 def sexpr(self):
8271 """Return a textual representation of the s-expression representing the set of subgoals in `self`."""
8272 return Z3_apply_result_to_string(self.ctx.ref(), self.result)
8273
Z3_string Z3_API Z3_apply_result_to_string(Z3_context c, Z3_apply_result r)
Convert the Z3_apply_result object returned by Z3_tactic_apply into a string.

Field Documentation

◆ ctx

ctx = ctx

Definition at line 8221 of file z3py.py.

Referenced by ArithRef.__add__(), BitVecRef.__add__(), BitVecRef.__and__(), FuncDeclRef.__call__(), AstMap.__contains__(), AstRef.__copy__(), AstVector.__copy__(), FuncInterp.__copy__(), Goal.__copy__(), ModelRef.__copy__(), AstMap.__deepcopy__(), AstRef.__deepcopy__(), AstVector.__deepcopy__(), Datatype.__deepcopy__(), FuncEntry.__deepcopy__(), FuncInterp.__deepcopy__(), Goal.__deepcopy__(), ModelRef.__deepcopy__(), ParamDescrsRef.__deepcopy__(), ParamsRef.__deepcopy__(), Statistics.__deepcopy__(), AstMap.__del__(), AstRef.__del__(), AstVector.__del__(), Context.__del__(), FuncEntry.__del__(), FuncInterp.__del__(), Goal.__del__(), ModelRef.__del__(), ParamDescrsRef.__del__(), ParamsRef.__del__(), ScopedConstructor.__del__(), ScopedConstructorList.__del__(), Solver.__del__(), Statistics.__del__(), ArithRef.__div__(), BitVecRef.__div__(), ExprRef.__eq__(), ArithRef.__ge__(), BitVecRef.__ge__(), AstMap.__getitem__(), AstVector.__getitem__(), ModelRef.__getitem__(), Statistics.__getitem__(), ArithRef.__gt__(), BitVecRef.__gt__(), BitVecRef.__invert__(), ArithRef.__le__(), BitVecRef.__le__(), AstMap.__len__(), AstVector.__len__(), ModelRef.__len__(), Statistics.__len__(), BitVecRef.__lshift__(), ArithRef.__lt__(), BitVecRef.__lt__(), ArithRef.__mod__(), BitVecRef.__mod__(), ArithRef.__mul__(), BitVecRef.__mul__(), BoolRef.__mul__(), ExprRef.__ne__(), ArithRef.__neg__(), BitVecRef.__neg__(), BitVecRef.__or__(), ArithRef.__pow__(), ArithRef.__radd__(), BitVecRef.__radd__(), BitVecRef.__rand__(), ArithRef.__rdiv__(), BitVecRef.__rdiv__(), AstMap.__repr__(), ParamDescrsRef.__repr__(), ParamsRef.__repr__(), Statistics.__repr__(), BitVecRef.__rlshift__(), ArithRef.__rmod__(), BitVecRef.__rmod__(), ArithRef.__rmul__(), BitVecRef.__rmul__(), BitVecRef.__ror__(), ArithRef.__rpow__(), BitVecRef.__rrshift__(), BitVecRef.__rshift__(), ArithRef.__rsub__(), BitVecRef.__rsub__(), BitVecRef.__rxor__(), AstMap.__setitem__(), AstVector.__setitem__(), ArithRef.__sub__(), BitVecRef.__sub__(), BitVecRef.__xor__(), DatatypeSortRef.accessor(), ExprRef.arg(), FuncEntry.arg_value(), FuncInterp.arity(), Goal.as_expr(), Solver.assert_and_track(), Goal.assert_exprs(), Solver.assert_exprs(), QuantifierRef.body(), Solver.check(), Goal.convert_model(), AstRef.ctx_ref(), ExprRef.decl(), ModelRef.decls(), ArrayRef.default(), RatNumRef.denominator(), Goal.depth(), Goal.dimacs(), FuncDeclRef.domain(), ArraySortRef.domain_n(), FuncInterp.else_value(), FuncInterp.entry(), AstMap.erase(), ModelRef.eval(), Goal.get(), ParamDescrsRef.get_documentation(), ModelRef.get_interp(), Statistics.get_key_value(), ParamDescrsRef.get_kind(), ParamDescrsRef.get_name(), ModelRef.get_sort(), ModelRef.get_universe(), Goal.inconsistent(), AstMap.keys(), Statistics.keys(), Solver.model(), SortRef.name(), QuantifierRef.no_pattern(), FuncEntry.num_args(), FuncInterp.num_entries(), Solver.num_scopes(), ModelRef.num_sorts(), FuncDeclRef.params(), QuantifierRef.pattern(), AlgebraicNumRef.poly(), Solver.pop(), Goal.prec(), ModelRef.project(), ModelRef.project_with_witness(), AstVector.push(), Solver.push(), QuantifierRef.qid(), ArraySortRef.range(), FuncDeclRef.range(), DatatypeSortRef.recognizer(), Context.ref(), AstMap.reset(), Solver.reset(), AstVector.resize(), ParamsRef.set(), Solver.set(), AstVector.sexpr(), Goal.sexpr(), ModelRef.sexpr(), Goal.size(), ParamDescrsRef.size(), QuantifierRef.skolem_id(), AstRef.translate(), AstVector.translate(), Goal.translate(), ModelRef.translate(), ParamsRef.validate(), FuncEntry.value(), QuantifierRef.var_name(), and QuantifierRef.var_sort().

◆ result

result = result

Definition at line 8220 of file z3py.py.