(set-option :incremental false)
(set-info :status unsat)
(set-logic QF_BV)
(declare-fun x () (_ BitVec 1))
(declare-fun y () (_ BitVec 1))
(assert (= x (_ bv0 1)))
(assert (= y (_ bv1 1)))
(assert (= x y))
(check-sat-assuming ( true ))