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(rewriter.eq2ineq) Refutation soundness bugs in QF_LIA #4927

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muchang opened this issue Jan 5, 2021 · 0 comments
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(rewriter.eq2ineq) Refutation soundness bugs in QF_LIA #4927

muchang opened this issue Jan 5, 2021 · 0 comments

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@muchang
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muchang commented Jan 5, 2021 

[782] % z3release small.smt2
sat
[783] % z3release rewriter.eq2ineq=true small.smt2
unsat
[784] % 
[784] % cat small.smt2
(declare-fun a () Int)
(declare-fun b () Int)
(assert (= (* a b) 4293001441))
(check-sat)
[785] %

Commit: 4db41c0
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@muchang