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(smt.bv.eq_axioms=false) Solution soundness bug on QF_ABV formula undetected by model validator #5842

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wintered opened this issue Feb 16, 2022 · 0 comments
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(smt.bv.eq_axioms=false) Solution soundness bug on QF_ABV formula undetected by model validator #5842

wintered opened this issue Feb 16, 2022 · 0 comments

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@wintered
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wintered commented Feb 16, 2022 •
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aa6ec41

$z3release bug.smt2                                            
unsat
$z3release smt.bv.eq_axioms=false bug.smt2  
sat
$cat bug.smt2 
(declare-const a (Array (_ BitVec 64) (_ BitVec 64))) 
(declare-const b (_ BitVec 64)) 
(assert (= (store (store a b b) (select a b) (select a b)) 
           (store (store a b #x1111111111111111) #x1111111111111111
           (bvudiv b #x1111111111111111)))) 
(check-sat)
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