8000 Easy unsolved quantified problem · Issue #11395 · cvc5/cvc5 · GitHub
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Easy unsolved quantified problem #11395

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barrettcw opened this issue Nov 27, 2024 · 1 comment
Open

Easy unsolved quantified problem #11395

barrettcw opened this issue Nov 27, 2024 · 1 comment
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@ajreynol

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@barrettcw
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The following benchmark (reported by Leni) is not solved by cvc5's default configuration. It can be solved using
--mbqi --no-cegqi
But we want to improve the default configuration for benchmarks like this one.

(set-logic ALL)

(declare-const v Real)

(assert (forall ((t Real)) (=> (and (> t 0) (< t 10)) (< (* t v) 100))))
(check-sat)
@spamdaemon
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spamdaemon commented Jan 5, 2025 •
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I have what maybe a related issue, but it yields 'unknown' instead of timing out. With '--mbqi' it yields 'sat' (as does Z3).

(set-logic ALL)
(declare-fun f (Int) Int)
(assert (forall ((a Int)) (> (f a) 0)))
;(assert (> (f 1) 0))
(check-sat)

Tested with bb815cf

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