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ASAN errors for datatye and string formulas #5679

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rainoftime opened this issue Nov 22, 2021 · 1 comment

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rainoftime commented Nov 22, 2021

Hi, for the following formula, z3 fee4821 SEGV at src/ast/ast.h:499

(declare-datatypes ((Pair 2)))
(define-funs-rec ((validList ((l (List (Pair Int Int)))) Bool)))
(declare-const myList (List (Pair Int Int)))
(assert (validList myList))
(check-sat)

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

Contributor Author

rainoftime commented Nov 22, 2021

heap-use-after-free at src/ast/ast.h:502

(declare-fun y () (Seq (Seq Int)))
(declare-fun yp () (Seq (Seq Int)))
(declare-fun w () (Seq Int))
(declare-fun z () Int)
(assert (and (not (= yp y)) (= yp (seq.unit w)) (= (seq.unit 0) (seq.extract w z 1))))
(check-sat-assuming (true))

NikolajBjorner closed this as completed in

e8f5a29

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