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; COMMAND-LINE: --incremental --simplification=none
; EXPECT: sat
; EXPECT: unsat
; EXIT: 20
(set-logic QF_UFLIA)
(declare-fun base () Int)
(declare-fun n () Int)
(declare-fun g (Int) Bool)
(declare-fun f (Int) Bool)
(push 1)
(assert (<= 0 n))
(assert (f n))
(assert (= (f n) (or (= (- n base) 1) (g n))))
(check-sat)
(pop 1)
(push 1)
(assert (<= 0 n))
(assert (or (= (- n base) 1) (g n)))
(assert (not (g n)))
(assert (= base (- 2)))
(check-sat)
(pop 1)
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