(set-logic QF_UF)
(set-info :status sat)
(declare-sort var 0)
(declare-sort reg 0)
(declare-fun var5_1 () var)
(declare-fun b_1 () var)
(declare-fun a_1 () var)
(declare-fun r0 () reg)
(declare-fun r1 () reg)
(declare-fun r2 () reg)
(declare-fun r3 () reg)
(assert (not (= r0 r1)))
(assert (not (= r0 r2)))
(assert (not (= r0 r3)))
(assert (not (= r1 r2)))
(assert (not (= r1 r3)))
(assert (not (= r2 r3)))
(declare-fun assign (var) reg)
(assert (or (= (assign var5_1) r0) (= (assign var5_1) r1) (= (assign var5_1) r2) (= (assign var5_1) r3) ))
(assert (or (= (assign b_1) r1) ))
(assert (or (= (assign a_1) r0) ))
(assert (not (= (assign b_1) (assign a_1))))
(assert (= (assign var5_1) r0))
(assert (= (assign b_1) r1))
(assert (= (assign a_1) r0))
(check-sat)
(exit)