Quantifiers. More...
Inheritance diagram for QuantifierRef:Public Member Functions | |
| as_ast (self) | |
| get_id (self) | |
| sort (self) | |
| is_forall (self) | |
| is_exists (self) | |
| is_lambda (self) | |
| __getitem__ (self, arg) | |
| weight (self) | |
| skolem_id (self) | |
| qid (self) | |
| num_patterns (self) | |
| pattern (self, idx) | |
| num_no_patterns (self) | |
| no_pattern (self, idx) | |
| body (self) | |
| num_vars (self) | |
| var_name (self, idx) | |
| var_sort (self, idx) | |
| children (self) | |
Public Member Functions inherited from BoolRef | |
| sort (self) | |
| __add__ (self, other) | |
| __radd__ (self, other) | |
| __rmul__ (self, other) | |
| __mul__ (self, other) | |
| __and__ (self, other) | |
| __or__ (self, other) | |
| __xor__ (self, other) | |
| __invert__ (self) | |
Public Member Functions inherited from ExprRef | |
| as_ast (self) | |
| get_id (self) | |
| sort (self) | |
| sort_kind (self) | |
| __eq__ (self, other) | |
| __hash__ (self) | |
| __ne__ (self, other) | |
| params (self) | |
| decl (self) | |
| num_args (self) | |
| arg (self, idx) | |
| children (self) | |
| from_string (self, s) | |
| serialize (self) | |
Public Member Functions inherited from AstRef | |
| __init__ (self, ast, ctx=None) | |
| __del__ (self) | |
| __deepcopy__ (self, memo={}) | |
| __str__ (self) | |
| __repr__ (self) | |
| __eq__ (self, other) | |
| __hash__ (self) | |
| __nonzero__ (self) | |
| __bool__ (self) | |
| sexpr (self) | |
| as_ast (self) | |
| get_id (self) | |
| ctx_ref (self) | |
| eq (self, other) | |
| translate (self, target) | |
| __copy__ (self) | |
| hash (self) | |
Public Member Functions inherited from Z3PPObject | |
| use_pp (self) | |
Data Fields | |
| ctx | |
| ast | |
Data Fields inherited from BoolRef | |
| ctx | |
Data Fields inherited from ExprRef | |
| ctx | |
Data Fields inherited from AstRef | |
| ast | |
| ctx | |
Additional Inherited Members | |
Protected Member Functions inherited from Z3PPObject | |
| _repr_html_ (self) | |
Quantifiers.
Universally and Existentially quantified formulas.
| __getitem__ | ( | self, | |
| arg | |||
| ) |
Return the Z3 expression `self[arg]`.
Definition at line 2085 of file z3py.py.
| as_ast | ( | self | ) |
Return a pointer to the corresponding C Z3_ast object.
Reimplemented from ExprRef.
Definition at line 2031 of file z3py.py.
Referenced by AstRef.__del__(), SeqRef.__ge__(), SeqRef.__getitem__(), SeqRef.__gt__(), BitVecRef.__invert__(), SeqRef.__le__(), SeqRef.__lt__(), ArithRef.__neg__(), BitVecRef.__neg__(), ExprRef.arg(), IntNumRef.as_binary_string(), BitVecNumRef.as_binary_string(), RatNumRef.as_decimal(), AlgebraicNumRef.as_decimal(), IntNumRef.as_string(), RatNumRef.as_string(), BitVecNumRef.as_string(), FiniteDomainRef.as_string(), FiniteDomainNumRef.as_string(), FPRef.as_string(), FPRMRef.as_string(), FPNumRef.as_string(), SeqRef.as_string(), SeqRef.at(), ExprRef.decl(), ArrayRef.default(), RatNumRef.denominator(), AstRef.eq(), FPNumRef.exponent(), FPNumRef.exponent_as_bv(), FPNumRef.exponent_as_long(), AstRef.get_id(), SortRef.get_id(), FuncDeclRef.get_id(), ExprRef.get_id(), PatternRef.get_id(), QuantifierRef.get_id(), AstRef.hash(), AlgebraicNumRef.index(), CharRef.is_digit(), SeqRef.is_string(), SeqRef.is_string_value(), FPNumRef.isInf(), FPNumRef.isNaN(), FPNumRef.isNegative(), FPNumRef.isNormal(), FPNumRef.isPositive(), FPNumRef.isSubnormal(), FPNumRef.isZero(), ExprRef.num_args(), AlgebraicNumRef.poly(), AstRef.sexpr(), FPNumRef.sign(), FPNumRef.significand(), FPNumRef.significand_as_bv(), FPNumRef.significand_as_long(), CharRef.to_bv(), CharRef.to_int(), and AstRef.translate().
| body | ( | self | ) |
Return the expression being quantified.
>>> f = Function('f', IntSort(), IntSort())
>>> x = Int('x')
>>> q = ForAll(x, f(x) == 0)
>>> q.body()
f(Var(0)) == 0
Definition at line 2156 of file z3py.py.
Referenced by QuantifierRef.children().
| children | ( | self | ) |
Return a list containing a single element self.body()
>>> f = Function('f', IntSort(), IntSort())
>>> x = Int('x')
>>> q = ForAll(x, f(x) == 0)
>>> q.children()
[f(Var(0)) == 0]
Reimplemented from ExprRef.
Definition at line 2211 of file z3py.py.
| get_id | ( | self | ) |
Return unique identifier for object. It can be used for hash-tables and maps.
Reimplemented from ExprRef.
Definition at line 2034 of file z3py.py.
| is_exists | ( | self | ) |
Return `True` if `self` is an existential quantifier.
>>> f = Function('f', IntSort(), IntSort())
>>> x = Int('x')
>>> q = ForAll(x, f(x) == 0)
>>> q.is_exists()
False
>>> q = Exists(x, f(x) != 0)
>>> q.is_exists()
True
Definition at line 2057 of file z3py.py.
| is_forall | ( | self | ) |
Return `True` if `self` is a universal quantifier.
>>> f = Function('f', IntSort(), IntSort())
>>> x = Int('x')
>>> q = ForAll(x, f(x) == 0)
>>> q.is_forall()
True
>>> q = Exists(x, f(x) != 0)
>>> q.is_forall()
False
Definition at line 2043 of file z3py.py.
| is_lambda | ( | self | ) |
Return `True` if `self` is a lambda expression.
>>> f = Function('f', IntSort(), IntSort())
>>> x = Int('x')
>>> q = Lambda(x, f(x))
>>> q.is_lambda()
True
>>> q = Exists(x, f(x) != 0)
>>> q.is_lambda()
False
Definition at line 2071 of file z3py.py.
Referenced by QuantifierRef.__getitem__(), and QuantifierRef.sort().
| no_pattern | ( | self, | |
| idx | |||
| ) |
Return a no-pattern.
Definition at line 2150 of file z3py.py.
| num_no_patterns | ( | self | ) |
Return the number of no-patterns.
Definition at line 2146 of file z3py.py.
Referenced by QuantifierRef.no_pattern().
| num_patterns | ( | self | ) |
Return the number of patterns (i.e., quantifier instantiation hints) in `self`.
>>> f = Function('f', IntSort(), IntSort())
>>> g = Function('g', IntSort(), IntSort())
>>> x = Int('x')
>>> q = ForAll(x, f(x) != g(x), patterns = [ f(x), g(x) ])
>>> q.num_patterns()
2
Definition at line 2116 of file z3py.py.
Referenced by QuantifierRef.pattern().
| num_vars | ( | self | ) |
Return the number of variables bounded by this quantifier.
>>> f = Function('f', IntSort(), IntSort(), IntSort())
>>> x = Int('x')
>>> y = Int('y')
>>> q = ForAll([x, y], f(x, y) >= x)
>>> q.num_vars()
2
Definition at line 2167 of file z3py.py.
Referenced by QuantifierRef.var_name(), and QuantifierRef.var_sort().
| pattern | ( | self, | |
| idx | |||
| ) |
Return a pattern (i.e., quantifier instantiation hints) in `self`.
>>> f = Function('f', IntSort(), IntSort())
>>> g = Function('g', IntSort(), IntSort())
>>> x = Int('x')
>>> q = ForAll(x, f(x) != g(x), patterns = [ f(x), g(x) ])
>>> q.num_patterns()
2
>>> q.pattern(0)
f(Var(0))
>>> q.pattern(1)
g(Var(0))
Definition at line 2128 of file z3py.py.
| qid | ( | self | ) |
| skolem_id | ( | self | ) |
| sort | ( | self | ) |
Return the Boolean sort or sort of Lambda.
Reimplemented from BoolRef.
Definition at line 2037 of file z3py.py.
Referenced by FPNumRef.as_string(), ArrayRef.domain(), ArrayRef.domain_n(), FPRef.ebits(), ArithRef.is_int(), ArithRef.is_real(), ArrayRef.range(), FPRef.sbits(), BitVecRef.size(), and ExprRef.sort_kind().
| var_name | ( | self, | |
| idx | |||
| ) |
Return a string representing a name used when displaying the quantifier.
>>> f = Function('f', IntSort(), IntSort(), IntSort())
>>> x = Int('x')
>>> y = Int('y')
>>> q = ForAll([x, y], f(x, y) >= x)
>>> q.var_name(0)
'x'
>>> q.var_name(1)
'y'
Definition at line 2179 of file z3py.py.
| var_sort | ( | self, | |
| idx | |||
| ) |
Return the sort of a bound variable.
>>> f = Function('f', IntSort(), RealSort(), IntSort())
>>> x = Int('x')
>>> y = Real('y')
>>> q = ForAll([x, y], f(x, y) >= x)
>>> q.var_sort(0)
Int
>>> q.var_sort(1)
Real
Definition at line 2195 of file z3py.py.
| weight | ( | self | ) |
Return the weight annotation of `self`.
>>> f = Function('f', IntSort(), IntSort())
>>> x = Int('x')
>>> q = ForAll(x, f(x) == 0)
>>> q.weight()
1
>>> q = ForAll(x, f(x) == 0, weight=10)
>>> q.weight()
10
Definition at line 2092 of file z3py.py.
| ast |
Definition at line 2055 of file z3py.py.
Referenced by FuncDeclRef.__call__(), AstRef.__deepcopy__(), AstRef.__del__(), SortRef.__eq__(), SortRef.__ne__(), DatatypeSortRef.accessor(), FuncDeclRef.arity(), AstRef.as_ast(), ExprRef.as_ast(), QuantifierRef.as_ast(), FuncDeclRef.as_func_decl(), QuantifierRef.body(), FuncDeclRef.domain(), ArraySortRef.domain_n(), QuantifierRef.is_exists(), QuantifierRef.is_lambda(), FuncDeclRef.kind(), SortRef.name(), QuantifierRef.no_pattern(), QuantifierRef.num_no_patterns(), QuantifierRef.num_patterns(), QuantifierRef.num_vars(), FuncDeclRef.params(), QuantifierRef.pattern(), QuantifierRef.qid(), FuncDeclRef.range(), ArraySortRef.range(), DatatypeSortRef.recognizer(), FPSortRef.sbits(), QuantifierRef.skolem_id(), QuantifierRef.var_name(), QuantifierRef.var_sort(), and QuantifierRef.weight().
| ctx |
Definition at line 2040 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__(), Simplifier.__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__(), Simplifier.__del__(), Tactic.__del__(), Probe.__del__(), ParserContext.__del__(), ArithRef.__div__(), BitVecRef.__div__(), FPRef.__div__(), ExprRef.__eq__(), Probe.__eq__(), ArithRef.__ge__(), BitVecRef.__ge__(), Probe.__ge__(), FPRef.__ge__(), SeqRef.__ge__(), 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__(), CharRef.__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__(), BoolRef.__mul__(), 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(), Simplifier.add(), Fixedpoint.add_cover(), ParserContext.add_decl(), Fixedpoint.add_rule(), Optimize.add_soft(), ParserContext.add_sort(), Tactic.apply(), 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(), QuantifierRef.body(), Solver.check(), Optimize.check(), UserPropagateBase.conflict(), Solver.consequences(), Goal.convert_model(), AstRef.ctx_ref(), UserPropagateBase.ctx_ref(), ExprRef.decl(), ModelRef.decls(), ArrayRef.default(), RatNumRef.denominator(), Goal.depth(), Goal.dimacs(), Solver.dimacs(), FuncDeclRef.domain(), ArraySortRef.domain_n(), 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(), ParserContext.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(), Simplifier.help(), Tactic.help(), Solver.import_model_converter(), Goal.inconsistent(), Solver.interrupt(), CharRef.is_digit(), FPNumRef.isInf(), FPNumRef.isNaN(), FPNumRef.isNegative(), FPNumRef.isNormal(), FPNumRef.isPositive(), FPNumRef.isSubnormal(), FPNumRef.isZero(), AstMap.keys(), Statistics.keys(), Optimize.maximize(), Optimize.minimize(), Solver.model(), Optimize.model(), SortRef.name(), Solver.next(), QuantifierRef.no_pattern(), Solver.non_units(), FuncEntry.num_args(), FuncInterp.num_entries(), Solver.num_scopes(), ModelRef.num_sorts(), Optimize.objectives(), Solver.param_descrs(), Fixedpoint.param_descrs(), Optimize.param_descrs(), Simplifier.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(), QuantifierRef.qid(), 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.root(), 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.significand(), FPNumRef.significand_as_bv(), FPNumRef.significand_as_long(), ParamDescrsRef.size(), Goal.size(), QuantifierRef.skolem_id(), Tactic.solver(), Solver.statistics(), Fixedpoint.statistics(), Optimize.statistics(), CharRef.to_bv(), CharRef.to_int(), Solver.to_smt2(), Fixedpoint.to_string(), Solver.trail(), Solver.trail_levels(), AstVector.translate(), AstRef.translate(), Goal.translate(), ModelRef.translate(), Solver.translate(), Solver.units(), Solver.unsat_core(), Optimize.unsat_core(), Fixedpoint.update_rule(), Simplifier.using_params(), ParamsRef.validate(), FuncEntry.value(), QuantifierRef.var_name(), and QuantifierRef.var_sort().