YES(?,O(n^1))

Problem:
 app(app(app(uncurry(),f),x),y) -> app(app(f,x),y)

Proof:
 Bounds Processor:
  bound: 1
  enrichment: match
  automaton:
   final states: {2,1}
   transitions:
    app1(5,1) -> 5,1
    app1(1,2) -> 5*
    app1(2,1) -> 5*
    app1(5,2) -> 5,1
    app1(1,1) -> 5*
    app1(2,2) -> 5*
    app0(1,2) -> 1*
    app0(2,1) -> 1*
    app0(1,1) -> 1*
    app0(2,2) -> 1*
    uncurry0() -> 2*
  problem:
   
  Qed