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Bit Vector Tactic Leads To Exit Code 139 In Z3py

This is a simple bit vector problem: import z3 s = z3.Tactic('bv').solver() m = z3.Function('m', z3.BitVecSort(32), z3.BitVecSort(32)) a, b = z3.BitVecs('a b', 32) axioms = [

Solution 1:

It seems to be a bug in 4.4.0. With 4.4.0 and Ubuntu 16.04 LTS and Python 2.7 you can reproduce the issue. However in newer versions of Z3, it has been fixed. I tried 4.4.2 and it returns sat.

https://github.com/Z3Prover/z3/issues/685

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