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Soundness bug in QF_S in z3-seq #2916

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numairmansur opened this issue Feb 1, 2020 · 1 comment
Closed

Soundness bug in QF_S in z3-seq #2916

numairmansur opened this issue Feb 1, 2020 · 1 comment

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@numairmansur
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Hi,
z3-seq gives wrong answer on the following file:

qf_s.smt2

All the formulas at every level in the assertion stack are satisfiable, but z3 returns:

sat
unsat

While z3str3 and CVC4 return:

sat
sat

OS:
NAME="Ubuntu"
VERSION="16.04.5 LTS (Xenial Xerus)"

commit: abb13f8
@NikolajBjorner
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works in current master

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@NikolajBjorner @numairmansur