Problem:
 *(x,*(minus(y),y)) -> *(minus(*(y,y)),x)

Proof:
 Bounds Processor:
  bound: 0
  enrichment: match
  automaton:
   final states: {2}
   transitions:
    *0(1,1) -> 2*
    minus0(1) -> 1*
  problem:
   
  Qed