Z3 |

Public Member Functions | Data Fields
ApplyResult Class Reference
Inheritance diagram for ApplyResult:

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

## Data Fields
| result
| ctx

## 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 7964 of file z3py.py.

## Constructor & Destructor Documentation

## ◆ __init__()

def __init__ | ( |  | self,
|  |  | result,
|  |  | ctx
| ) |  |

Definition at line 7969 of file z3py.py.

7969 def __init__(self, result, ctx):
7970 self.result = result
7971 self.ctx = ctx
7972 Z3_apply_result_inc_ref(self.ctx.ref(), self.result)
7973
Z3_apply_result_inc_ref
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__()

def __del__ | ( |  | self | ) |

Definition at line 7977 of file z3py.py.

7977 def __del__(self):
7978 if self.ctx.ref() is not None:
7979 Z3_apply_result_dec_ref(self.ctx.ref(), self.result)
7980
Z3_apply_result_dec_ref
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__()

def __deepcopy__ | ( |  | self,
|  |  | memo = `{}`
| ) |  |

Definition at line 7974 of file z3py.py.

7974 def __deepcopy__(self, memo={}):
7975 return ApplyResult(self.result, self.ctx)
7976

## ◆ __getitem__()

def __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 8000 of file z3py.py.

8000 def __getitem__(self, idx):
8001 """Return one of the subgoals stored in ApplyResult object `self`.
8002
8003 >>> a, b = Ints('a b')
8004 >>> g = Goal()
8005 >>> g.add(Or(a == 0, a == 1), Or(b == 0, b == 1), a > b)
8006 >>> t = Tactic('split-clause')
8007 >>> r = t(g)
8008 >>> r[0]
8009 [a == 0, Or(b == 0, b == 1), a > b]
8010 >>> r[1]
8011 [a == 1, Or(b == 0, b == 1), a > b]
8012 """
8013 if idx >= len(self):
8014 raise IndexError
8015 return Goal(goal=Z3_apply_result_get_subgoal(self.ctx.ref(), self.result, idx), ctx=self.ctx)
8016
z3py.Ints
def Ints(names, ctx=None)
Definition: z3py.py:3223
z3py.Or
def Or(*args)
Definition: z3py.py:1846
Z3_apply_result_get_subgoal
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__()

def __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 7981 of file z3py.py.

7981 def __len__(self):
7982 """Return the number of subgoals in `self`.
7983
7984 >>> a, b = Ints('a b')
7985 >>> g = Goal()
7986 >>> g.add(Or(a == 0, a == 1), Or(b == 0, b == 1), a > b)
7987 >>> t = Tactic('split-clause')
7988 >>> r = t(g)
7989 >>> len(r)
7990 2
7991 >>> t = Then(Tactic('split-clause'), Tactic('split-clause'))
7992 >>> len(t(g))
7993 4
7994 >>> t = Then(Tactic('split-clause'), Tactic('split-clause'), Tactic('propagate-values'))
7995 >>> len(t(g))
7996 1
7997 """
7998 return int(Z3_apply_result_get_num_subgoals(self.ctx.ref(), self.result))
7999
z3py.Then
def Then(*ts, **ks)
Definition: z3py.py:8191
Z3_apply_result_get_num_subgoals
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__()

def __repr__ | ( |  | self | ) |

Definition at line 8017 of file z3py.py.

8017 def __repr__(self):
8018 return obj_to_string(self)
8019

## ◆ as_expr()

def 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 8024 of file z3py.py.

8024 def as_expr(self):
8025 """Return a Z3 expression consisting of all subgoals.
8026
8027 >>> x = Int('x')
8028 >>> g = Goal()
8029 >>> g.add(x > 1)
8030 >>> g.add(Or(x == 2, x == 3))
8031 >>> r = Tactic('simplify')(g)
8032 >>> r
8033 [[Not(x <= 1), Or(x == 2, x == 3)]]
8034 >>> r.as_expr()
8035 And(Not(x <= 1), Or(x == 2, x == 3))
8036 >>> r = Tactic('split-clause')(g)
8037 >>> r
8038 [[x > 1, x == 2], [x > 1, x == 3]]
8039 >>> r.as_expr()
8040 Or(And(x > 1, x == 2), And(x > 1, x == 3))
8041 """
8042 sz = len(self)
8043 if sz == 0:
8044 return BoolVal(False, self.ctx)
8045 elif sz == 1:
8046 return self[0].as_expr()
8047 else:
8048 return Or([self[i].as_expr() for i in range(len(self))])
8049
z3::range
expr range(expr const &lo, expr const &hi)
Definition: z3++.h:3725
z3py.Not
def Not(a, ctx=None)
Definition: z3py.py:1779
z3py.Int
def Int(name, ctx=None)
Definition: z3py.py:3210
z3py.BoolVal
def BoolVal(val, ctx=None)
Definition: z3py.py:1673
z3py.And
def And(*args)
Definition: z3py.py:1813

Referenced by ApplyResult.as_expr().

## ◆ sexpr()

def sexpr | ( |  | self | ) |

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

Definition at line 8020 of file z3py.py.

8020 def sexpr(self):
8021 """Return a textual representation of the s-expression representing the set of subgoals in `self`."""
8022 return Z3_apply_result_to_string(self.ctx.ref(), self.result)
8023
Z3_apply_result_to_string
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.

Referenced by Fixedpoint.__repr__(), and Optimize.__repr__().

## Field Documentation

## ◆ ctx

ctx

Definition at line 7971 of file z3py.py.

Referenced by ArithRef.__add__(), BitVecRef.__add__(), FPRef.__add__(), BitVecRef.__and__(), FuncDeclRef.__call__(), Probe.__call__(), AstMap.__contains__(), AstRef.__copy__(), Goal.__copy__(), AstVector.__copy__(), FuncInterp.__copy__(), ModelRef.__copy__(), Solver.__copy__(), AstRef.__deepcopy__(), Datatype.__deepcopy__(), ParamsRef.__deepcopy__(), ParamDescrsRef.__deepcopy__(), Goal.__deepcopy__(), AstVector.__deepcopy__(), AstMap.__deepcopy__(), FuncEntry.__deepcopy__(), FuncInterp.__deepcopy__(), ModelRef.__deepcopy__(), Statistics.__deepcopy__(), Solver.__deepcopy__(), Fixedpoint.__deepcopy__(), Optimize.__deepcopy__(), ApplyResult.__deepcopy__(), Tactic.__deepcopy__(), Probe.__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__(), Fixedpoint.__del__(), Optimize.__del__(), ApplyResult.__del__(), Tactic.__del__(), Probe.__del__(), ArithRef.__div__(), BitVecRef.__div__(), FPRef.__div__(), ExprRef.__eq__(), Probe.__eq__(), ArithRef.__ge__(), BitVecRef.__ge__(), Probe.__ge__(), FPRef.__ge__(), SeqRef.__ge__(), QuantifierRef.__getitem__(), ArrayRef.__getitem__(), AstVector.__getitem__(), SeqRef.__getitem__(), ModelRef.__getitem__(), Statistics.__getitem__(), ApplyResult.__getitem__(), AstMap.__getitem__(), ArithRef.__gt__(), BitVecRef.__gt__(), Probe.__gt__(), FPRef.__gt__(), SeqRef.__gt__(), BitVecRef.__invert__(), ArithRef.__le__(), BitVecRef.__le__(), Probe.__le__(), FPRef.__le__(), SeqRef.__le__(), AstVector.__len__(), AstMap.__len__(), ModelRef.__len__(), Statistics.__len__(), ApplyResult.__len__(), BitVecRef.__lshift__(), ArithRef.__lt__(), BitVecRef.__lt__(), Probe.__lt__(), FPRef.__lt__(), SeqRef.__lt__(), ArithRef.__mod__(), BitVecRef.__mod__(), ArithRef.__mul__(), BitVecRef.__mul__(), FPRef.__mul__(), ExprRef.__ne__(), Probe.__ne__(), ArithRef.__neg__(), BitVecRef.__neg__(), BitVecRef.__or__(), ArithRef.__pow__(), ArithRef.__radd__(), BitVecRef.__radd__(), FPRef.__radd__(), BitVecRef.__rand__(), ArithRef.__rdiv__(), BitVecRef.__rdiv__(), FPRef.__rdiv__(), ParamsRef.__repr__(), ParamDescrsRef.__repr__(), AstMap.__repr__(), Statistics.__repr__(), BitVecRef.__rlshift__(), ArithRef.__rmod__(), BitVecRef.__rmod__(), ArithRef.__rmul__(), BitVecRef.__rmul__(), FPRef.__rmul__(), BitVecRef.__ror__(), ArithRef.__rpow__(), BitVecRef.__rrshift__(), BitVecRef.__rshift__(), ArithRef.__rsub__(), BitVecRef.__rsub__(), FPRef.__rsub__(), BitVecRef.__rxor__(), AstVector.__setitem__(), AstMap.__setitem__(), ArithRef.__sub__(), BitVecRef.__sub__(), FPRef.__sub__(), BitVecRef.__xor__(), DatatypeSortRef.accessor(), Fixedpoint.add_cover(), Fixedpoint.add_rule(), Optimize.add_soft(), Tactic.apply(), AlgebraicNumRef.approx(), ExprRef.arg(), FuncEntry.arg_value(), FuncInterp.arity(), Goal.as_expr(), ApplyResult.as_expr(), FPNumRef.as_string(), Solver.assert_and_track(), Optimize.assert_and_track(), Goal.assert_exprs(), Solver.assert_exprs(), Fixedpoint.assert_exprs(), Optimize.assert_exprs(), Solver.assertions(), Optimize.assertions(), SeqRef.at(), SeqSortRef.basis(), ReSortRef.basis(), QuantifierRef.body(), BoolSortRef.cast(), Solver.check(), Optimize.check(), UserPropagateBase.conflict(), Solver.consequences(), DatatypeSortRef.constructor(), Goal.convert_model(), AstRef.ctx_ref(), UserPropagateBase.ctx_ref(), ExprRef.decl(), ModelRef.decls(), ArrayRef.default(), RatNumRef.denominator(), Goal.depth(), Goal.dimacs(), Solver.dimacs(), ArraySortRef.domain(), FuncDeclRef.domain(), FuncInterp.else_value(), FuncInterp.entry(), AstMap.erase(), ModelRef.eval(), FPNumRef.exponent(), FPNumRef.exponent_as_bv(), FPNumRef.exponent_as_long(), Solver.from_file(), Optimize.from_file(), Solver.from_string(), Optimize.from_string(), Goal.get(), Fixedpoint.get_answer(), Fixedpoint.get_assertions(), Fixedpoint.get_cover_delta(), ParamDescrsRef.get_documentation(), Fixedpoint.get_ground_sat_answer(), ModelRef.get_interp(), Statistics.get_key_value(), ParamDescrsRef.get_kind(), ParamDescrsRef.get_name(), Fixedpoint.get_num_levels(), Fixedpoint.get_rule_names_along_trace(), Fixedpoint.get_rules(), Fixedpoint.get_rules_along_trace(), ModelRef.get_sort(), ModelRef.get_universe(), Solver.help(), Fixedpoint.help(), Optimize.help(), Tactic.help(), Solver.import_model_converter(), Goal.inconsistent(), FPNumRef.isInf(), FPNumRef.isNaN(), FPNumRef.isNegative(), FPNumRef.isNormal(), FPNumRef.isPositive(), FPNumRef.isSubnormal(), FPNumRef.isZero(), AstMap.keys(), Statistics.keys(), SortRef.kind(), Optimize.maximize(), Optimize.minimize(), Solver.model(), Optimize.model(), SortRef.name(), FuncDeclRef.name(), QuantifierRef.no_pattern(), Solver.non_units(), FuncEntry.num_args(), FuncInterp.num_entries(), Solver.num_scopes(), ModelRef.num_sorts(), RatNumRef.numerator(), Optimize.objectives(), Solver.param_descrs(), Fixedpoint.param_descrs(), Optimize.param_descrs(), Tactic.param_descrs(), FuncDeclRef.params(), Fixedpoint.parse_file(), Fixedpoint.parse_string(), QuantifierRef.pattern(), AlgebraicNumRef.poly(), Optimize.pop(), Solver.pop(), Goal.prec(), Solver.proof(), Solver.push(), Optimize.push(), AstVector.push(), Fixedpoint.query(), Fixedpoint.query_from_lvl(), FuncDeclRef.range(), ArraySortRef.range(), Solver.reason_unknown(), Fixedpoint.reason_unknown(), Optimize.reason_unknown(), DatatypeSortRef.recognizer(), Context.ref(), Fixedpoint.register_relation(), AstMap.reset(), Solver.reset(), AstVector.resize(), Solver.set(), Fixedpoint.set(), Optimize.set(), ParamsRef.set(), Optimize.set_on_model(), Fixedpoint.set_predicate_representation(), Goal.sexpr(), AstVector.sexpr(), ModelRef.sexpr(), Solver.sexpr(), Fixedpoint.sexpr(), Optimize.sexpr(), ApplyResult.sexpr(), FPNumRef.sign(), FPNumRef.sign_as_bv(), FPNumRef.significand(), FPNumRef.significand_as_bv(), FPNumRef.significand_as_long(), ParamDescrsRef.size(), Goal.size(), Tactic.solver(), ExprRef.sort(), BoolRef.sort(), QuantifierRef.sort(), ArithRef.sort(), BitVecRef.sort(), ArrayRef.sort(), DatatypeRef.sort(), FiniteDomainRef.sort(), FPRef.sort(), SeqRef.sort(), Solver.statistics(), Fixedpoint.statistics(), Optimize.statistics(), Solver.to_smt2(), Fixedpoint.to_string(), Solver.trail(), Solver.trail_levels(), AstVector.translate(), FuncInterp.translate(), AstRef.translate(), Goal.translate(), ModelRef.translate(), Solver.translate(), Solver.units(), Solver.unsat_core(), Optimize.unsat_core(), Fixedpoint.update_rule(), ParamsRef.validate(), FuncEntry.value(), QuantifierRef.var_name(), and QuantifierRef.var_sort().

## ◆ result

result

Definition at line 7970 of file z3py.py.

Referenced by ApplyResult.__deepcopy__(), ApplyResult.__del__(), ApplyResult.__getitem__(), ApplyResult.__len__(), and ApplyResult.sexpr().