Assertion violation at smt_model_checker.cpp:398 (auto_config false, smt.case_split 3) #4231

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rainoftime opened this issue May 7, 2020 · 0 comments

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rainoftime commented May 7, 2020

Hi, for the following formula,

(set-logic UFBV)
(set-option :auto_config false)
(set-option :smt.case_split 3)
(declare-const v9 Bool)
(declare-const v11 Bool)
(assert (not (exists ((q4 (_ BitVec 8)) (q5 Bool) (q6 (_ BitVec 8))) (=> (= (_ bv0 8) q4) (and v9 v9 v11)))))
(check-sat)

z3 (commit 1f15033) throws an assertion violation

ASSERTION VIOLATION
File: ../src/smt/smt_model_checker.cpp
Line: 398
md != nullptr
(C)ontinue, (A)bort, (S)top, (T)hrow exception, Invoke (G)DB

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NikolajBjorner closed this as completed in

aa3749f

hgvk94 pushed a commit to hgvk94/z3 that referenced this issue


          fix Z3Prover#4231

7887cef

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