Z3
 
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Public Member Functions | Data Fields
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
 
 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 8082 of file z3py.py.

Constructor & Destructor Documentation

◆ __init__()

__init__ (   self,
  result,
  ctx 
)

Definition at line 8087 of file z3py.py.

8087 def __init__(self, result, ctx):
8088 self.result = result
8089 self.ctx = ctx
8090 Z3_apply_result_inc_ref(self.ctx.ref(), self.result)
8091
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 8095 of file z3py.py.

8095 def __del__(self):
8096 if self.ctx.ref() is not None and Z3_apply_result_dec_ref is not None:
8097 Z3_apply_result_dec_ref(self.ctx.ref(), self.result)
8098
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 8092 of file z3py.py.

8092 def __deepcopy__(self, memo={}):
8093 return ApplyResult(self.result, self.ctx)
8094

◆ __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 8118 of file z3py.py.

8118 def __getitem__(self, idx):
8119 """Return one of the subgoals stored in ApplyResult object `self`.
8120
8121 >>> a, b = Ints('a b')
8122 >>> g = Goal()
8123 >>> g.add(Or(a == 0, a == 1), Or(b == 0, b == 1), a > b)
8124 >>> t = Tactic('split-clause')
8125 >>> r = t(g)
8126 >>> r[0]
8127 [a == 0, Or(b == 0, b == 1), a > b]
8128 >>> r[1]
8129 [a == 1, Or(b == 0, b == 1), a > b]
8130 """
8131 if idx >= len(self):
8132 raise IndexError
8133 return Goal(goal=Z3_apply_result_get_subgoal(self.ctx.ref(), self.result, idx), ctx=self.ctx)
8134
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 8099 of file z3py.py.

8099 def __len__(self):
8100 """Return the number of subgoals in `self`.
8101
8102 >>> a, b = Ints('a b')
8103 >>> g = Goal()
8104 >>> g.add(Or(a == 0, a == 1), Or(b == 0, b == 1), a > b)
8105 >>> t = Tactic('split-clause')
8106 >>> r = t(g)
8107 >>> len(r)
8108 2
8109 >>> t = Then(Tactic('split-clause'), Tactic('split-clause'))
8110 >>> len(t(g))
8111 4
8112 >>> t = Then(Tactic('split-clause'), Tactic('split-clause'), Tactic('propagate-values'))
8113 >>> len(t(g))
8114 1
8115 """
8116 return int(Z3_apply_result_get_num_subgoals(self.ctx.ref(), self.result))
8117
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 8135 of file z3py.py.

8135 def __repr__(self):
8136 return obj_to_string(self)
8137

◆ 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 8142 of file z3py.py.

8142 def as_expr(self):
8143 """Return a Z3 expression consisting of all subgoals.
8144
8145 >>> x = Int('x')
8146 >>> g = Goal()
8147 >>> g.add(x > 1)
8148 >>> g.add(Or(x == 2, x == 3))
8149 >>> r = Tactic('simplify')(g)
8150 >>> r
8151 [[Not(x <= 1), Or(x == 2, x == 3)]]
8152 >>> r.as_expr()
8153 And(Not(x <= 1), Or(x == 2, x == 3))
8154 >>> r = Tactic('split-clause')(g)
8155 >>> r
8156 [[x > 1, x == 2], [x > 1, x == 3]]
8157 >>> r.as_expr()
8158 Or(And(x > 1, x == 2), And(x > 1, x == 3))
8159 """
8160 sz = len(self)
8161 if sz == 0:
8162 return BoolVal(False, self.ctx)
8163 elif sz == 1:
8164 return self[0].as_expr()
8165 else:
8166 return Or([self[i].as_expr() for i in range(len(self))])
8167

◆ sexpr()

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

Definition at line 8138 of file z3py.py.

8138 def sexpr(self):
8139 """Return a textual representation of the s-expression representing the set of subgoals in `self`."""
8140 return Z3_apply_result_to_string(self.ctx.ref(), self.result)
8141
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

Definition at line 8089 of file z3py.py.

Referenced by ArithRef.__add__(), BitVecRef.__add__(), BitVecRef.__and__(), FuncDeclRef.__call__(), AstMap.__contains__(), AstRef.__copy__(), Goal.__copy__(), AstVector.__copy__(), FuncInterp.__copy__(), ModelRef.__copy__(), AstRef.__deepcopy__(), Datatype.__deepcopy__(), ParamsRef.__deepcopy__(), ParamDescrsRef.__deepcopy__(), Goal.__deepcopy__(), AstVector.__deepcopy__(), AstMap.__deepcopy__(), FuncEntry.__deepcopy__(), FuncInterp.__deepcopy__(), ModelRef.__deepcopy__(), Statistics.__deepcopy__(), Context.__del__(), AstRef.__del__(), ScopedConstructor.__del__(), ScopedConstructorList.__del__(), ParamsRef.__del__(), ParamDescrsRef.__del__(), Goal.__del__(), AstVector.__del__(), AstMap.__del__(), FuncEntry.__del__(), FuncInterp.__del__(), ModelRef.__del__(), Statistics.__del__(), Solver.__del__(), ArithRef.__div__(), BitVecRef.__div__(), ExprRef.__eq__(), ArithRef.__ge__(), BitVecRef.__ge__(), AstVector.__getitem__(), ModelRef.__getitem__(), Statistics.__getitem__(), AstMap.__getitem__(), ArithRef.__gt__(), BitVecRef.__gt__(), BitVecRef.__invert__(), ArithRef.__le__(), BitVecRef.__le__(), AstVector.__len__(), AstMap.__len__(), ModelRef.__len__(), Statistics.__len__(), BitVecRef.__lshift__(), ArithRef.__lt__(), BitVecRef.__lt__(), ArithRef.__mod__(), BitVecRef.__mod__(), BoolRef.__mul__(), ArithRef.__mul__(), BitVecRef.__mul__(), ExprRef.__ne__(), ArithRef.__neg__(), BitVecRef.__neg__(), BitVecRef.__or__(), ArithRef.__pow__(), ArithRef.__radd__(), BitVecRef.__radd__(), BitVecRef.__rand__(), ArithRef.__rdiv__(), BitVecRef.__rdiv__(), ParamsRef.__repr__(), ParamDescrsRef.__repr__(), AstMap.__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__(), AstVector.__setitem__(), AstMap.__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(), Solver.push(), AstVector.push(), FuncDeclRef.range(), ArraySortRef.range(), DatatypeSortRef.recognizer(), Context.ref(), AstMap.reset(), Solver.reset(), AstVector.resize(), Solver.set(), ParamsRef.set(), Goal.sexpr(), AstVector.sexpr(), ModelRef.sexpr(), ParamDescrsRef.size(), Goal.size(), AstVector.translate(), AstRef.translate(), Goal.translate(), ModelRef.translate(), ParamsRef.validate(), FuncEntry.value(), QuantifierRef.var_name(), and QuantifierRef.var_sort().

◆ result

result

Definition at line 8088 of file z3py.py.