Public Member Functions | |
__init__ (self, m, ctx) | |
__del__ (self) | |
__repr__ (self) | |
sexpr (self) | |
eval (self, t, model_completion=False) | |
evaluate (self, t, model_completion=False) | |
__len__ (self) | |
get_interp (self, decl) | |
num_sorts (self) | |
get_sort (self, idx) | |
sorts (self) | |
get_universe (self, s) | |
__getitem__ (self, idx) | |
decls (self) | |
update_value (self, x, value) | |
translate (self, target) | |
__copy__ (self) | |
__deepcopy__ (self, memo={}) | |
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use_pp (self) | |
Data Fields | |
model = m | |
ctx = ctx | |
Additional Inherited Members | |
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_repr_html_ (self) | |
Model/Solution of a satisfiability problem (aka system of constraints).
__init__ | ( | self, | |
m, | |||
ctx ) |
Definition at line 6416 of file z3py.py.
__del__ | ( | self | ) |
Definition at line 6422 of file z3py.py.
__copy__ | ( | self | ) |
__deepcopy__ | ( | self, | |
memo = {} ) |
__getitem__ | ( | self, | |
idx ) |
If `idx` is an integer, then the declaration at position `idx` in the model `self` is returned. If `idx` is a declaration, then the actual interpretation is returned. The elements can be retrieved using position or the actual declaration. >>> f = Function('f', IntSort(), IntSort()) >>> x = Int('x') >>> s = Solver() >>> s.add(x > 0, x < 2, f(x) == 0) >>> s.check() sat >>> m = s.model() >>> len(m) 2 >>> m[0] x >>> m[1] f >>> m[x] 1 >>> m[f] [else -> 0] >>> for d in m: print("%s -> %s" % (d, m[d])) x -> 1 f -> [else -> 0]
Definition at line 6634 of file z3py.py.
__len__ | ( | self | ) |
Return the number of constant and function declarations in the model `self`. >>> f = Function('f', IntSort(), IntSort()) >>> x = Int('x') >>> s = Solver() >>> s.add(x > 0, f(x) != x) >>> s.check() sat >>> m = s.model() >>> len(m) 2
Definition at line 6490 of file z3py.py.
Referenced by AstVector.__getitem__(), and AstVector.__setitem__().
__repr__ | ( | self | ) |
decls | ( | self | ) |
Return a list with all symbols that have an interpretation in the model `self`. >>> f = Function('f', IntSort(), IntSort()) >>> x = Int('x') >>> s = Solver() >>> s.add(x > 0, x < 2, f(x) == 0) >>> s.check() sat >>> m = s.model() >>> m.decls() [x, f]
Definition at line 6679 of file z3py.py.
eval | ( | self, | |
t, | |||
model_completion = False ) |
Evaluate the expression `t` in the model `self`. If `model_completion` is enabled, then a default interpretation is automatically added for symbols that do not have an interpretation in the model `self`. >>> x = Int('x') >>> s = Solver() >>> s.add(x > 0, x < 2) >>> s.check() sat >>> m = s.model() >>> m.eval(x + 1) 2 >>> m.eval(x == 1) True >>> y = Int('y') >>> m.eval(y + x) 1 + y >>> m.eval(y) y >>> m.eval(y, model_completion=True) 0 >>> # Now, m contains an interpretation for y >>> m.eval(y + x) 1
Definition at line 6433 of file z3py.py.
Referenced by ModelRef.evaluate().
evaluate | ( | self, | |
t, | |||
model_completion = False ) |
Alias for `eval`. >>> x = Int('x') >>> s = Solver() >>> s.add(x > 0, x < 2) >>> s.check() sat >>> m = s.model() >>> m.evaluate(x + 1) 2 >>> m.evaluate(x == 1) True >>> y = Int('y') >>> m.evaluate(y + x) 1 + y >>> m.evaluate(y) y >>> m.evaluate(y, model_completion=True) 0 >>> # Now, m contains an interpretation for y >>> m.evaluate(y + x) 1
Definition at line 6464 of file z3py.py.
get_interp | ( | self, | |
decl ) |
Return the interpretation for a given declaration or constant. >>> f = Function('f', IntSort(), IntSort()) >>> x = Int('x') >>> s = Solver() >>> s.add(x > 0, x < 2, f(x) == 0) >>> s.check() sat >>> m = s.model() >>> m[x] 1 >>> m[f] [else -> 0]
Definition at line 6507 of file z3py.py.
Referenced by ModelRef.__getitem__(), and ModelRef.get_interp().
get_sort | ( | self, | |
idx ) |
Return the uninterpreted sort at position `idx` < self.num_sorts(). >>> A = DeclareSort('A') >>> B = DeclareSort('B') >>> a1, a2 = Consts('a1 a2', A) >>> b1, b2 = Consts('b1 b2', B) >>> s = Solver() >>> s.add(a1 != a2, b1 != b2) >>> s.check() sat >>> m = s.model() >>> m.num_sorts() 2 >>> m.get_sort(0) A >>> m.get_sort(1) B
Definition at line 6574 of file z3py.py.
Referenced by ModelRef.sorts().
get_universe | ( | self, | |
s ) |
Return the interpretation for the uninterpreted sort `s` in the model `self`. >>> A = DeclareSort('A') >>> a, b = Consts('a b', A) >>> s = Solver() >>> s.add(a != b) >>> s.check() sat >>> m = s.model() >>> m.get_universe(A) [A!val!1, A!val!0]
Definition at line 6614 of file z3py.py.
Referenced by ModelRef.__getitem__().
num_sorts | ( | self | ) |
Return the number of uninterpreted sorts that contain an interpretation in the model `self`. >>> A = DeclareSort('A') >>> a, b = Consts('a b', A) >>> s = Solver() >>> s.add(a != b) >>> s.check() sat >>> m = s.model() >>> m.num_sorts() 1
Definition at line 6559 of file z3py.py.
Referenced by ModelRef.get_sort(), and ModelRef.sorts().
sexpr | ( | self | ) |
Return a textual representation of the s-expression representing the model.
Definition at line 6429 of file z3py.py.
sorts | ( | self | ) |
Return all uninterpreted sorts that have an interpretation in the model `self`. >>> A = DeclareSort('A') >>> B = DeclareSort('B') >>> a1, a2 = Consts('a1 a2', A) >>> b1, b2 = Consts('b1 b2', B) >>> s = Solver() >>> s.add(a1 != a2, b1 != b2) >>> s.check() sat >>> m = s.model() >>> m.sorts() [A, B]
Definition at line 6597 of file z3py.py.
translate | ( | self, | |
target ) |
Translate `self` to the context `target`. That is, return a copy of `self` in the context `target`.
Definition at line 6720 of file z3py.py.
Referenced by AstRef.__copy__(), AstVector.__copy__(), FuncInterp.__copy__(), Goal.__copy__(), ModelRef.__copy__(), AstVector.__deepcopy__(), FuncInterp.__deepcopy__(), Goal.__deepcopy__(), and ModelRef.__deepcopy__().
update_value | ( | self, | |
x, | |||
value ) |
Update the interpretation of a constant
Definition at line 6698 of file z3py.py.
ctx = ctx |
Definition at line 6419 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(), 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().
model = m |
Definition at line 6418 of file z3py.py.
Referenced by ModelRef.__del__(), ModelRef.__getitem__(), ModelRef.__len__(), ModelRef.decls(), ModelRef.eval(), ModelRef.get_interp(), ModelRef.get_sort(), ModelRef.get_universe(), ModelRef.num_sorts(), ModelRef.sexpr(), ModelRef.translate(), and ModelRef.update_value().