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(proof) Invalid model for datatype formula #4865

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rainoftime opened this issue Dec 6, 2020 · 0 comments

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rainoftime commented Dec 6, 2020 •

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Hi, for the following formula,
z3 4d55f83

(set-option :produce-proofs true)
(declare-datatypes () ((rec nil (mk (a Int)))))
(declare-const x rec)
(assert ((_ is mk) ((_ update-field a) x 1)))
(check-sat)
(get-model)

./z3 model_validate=true ../delta.out.smt2                                                                                                       sat
(error "line 5 column 10: an invalid model was generated")
(
  (define-fun x () rec
    nil)
)

The text was updated successfully, but these errors were encountered:

rainoftime changed the title ~~Invalid model for datatype formula~~ Invalid model for datatype formula (proof)

rainoftime changed the title ~~Invalid model for datatype formula (proof)~~ (proof) Invalid model for datatype formula

NikolajBjorner closed this as completed in

4c1fcba

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