(meta-info (comment "Ctrl example from examples-transformed/sum.ctrs"))
(format LCTRS :logic QF_LIA)

(fun u 3 :sort (Int Int Int Int))
(fun sum1 1 :sort (Int Int))

(rule (u x i z) z :guard (not (<= i x)))
(rule (u x i z) (u x (+ i 1) (+ z i)) :guard (<= i x))
(rule (sum1 x) (u x 1 0))