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; COMMAND-LINE: --nl-ext
; EXPECT: unsat
(set-logic QF_NRA)
(set-info :status unsat)

(declare-fun a () Real)
(declare-fun b () Real)
(declare-fun c () Real)
(declare-fun d () Real)

(assert (or (= a 4) (= a 3)))

(assert (> b 0))
(assert (> c 0))

(assert (< (* a b c d d) 0))

(check-sat)
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