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Incorrect result for uninterpreted bool function taking string #199

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jurajsic opened this issue Nov 25, 2024 · 0 comments

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jurajsic commented Nov 25, 2024

For

(declare-fun x () String)
(declare-fun y () String)
(declare-fun sb (String) Bool)

(assert (= (sb x) (not (sb y))))
(check-sat)

we return sat instead of unsat with model

(
  (define-fun y () String
    "a")
  (define-fun x () String
    "a")
  (define-fun sb ((x!0 String)) Bool
    true)
)

Originally posted by @jurajsic in #194 (comment)

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