(w0 x) | (ite (<= x 0) 1 (w1 x))
(+ (+ 2 (w0 x)) 1) | (+ (+ 2 (ite (<= x 0) 1 (w1 x))) 1)
(+ 2 (w0 x)) | (+ 2 (ite (<= x 0) 1 (w1 x)))
