MAYBE

Problem:
 f(x,f(y,a())) -> f(f(f(f(a(),a()),y),h(a())),x)

Proof:
 DP Processor:
  DPs:
   f#(x,f(y,a())) -> f#(a(),a())
   f#(x,f(y,a())) -> f#(f(a(),a()),y)
   f#(x,f(y,a())) -> f#(f(f(a(),a()),y),h(a()))
   f#(x,f(y,a())) -> f#(f(f(f(a(),a()),y),h(a())),x)
  TRS:
   f(x,f(y,a())) -> f(f(f(f(a(),a()),y),h(a())),x)
  Restore Modifier:
   DPs:
    f#(x,f(y,a())) -> f#(a(),a())
    f#(x,f(y,a())) -> f#(f(a(),a()),y)
    f#(x,f(y,a())) -> f#(f(f(a(),a()),y),h(a()))
    f#(x,f(y,a())) -> f#(f(f(f(a(),a()),y),h(a())),x)
   TRS:
    f(x,f(y,a())) -> f(f(f(f(a(),a()),y),h(a())),x)
   SCC Processor:
    #sccs: 1
    #rules: 4
    #arcs: 16/16
    DPs:
     f#(x,f(y,a())) -> f#(a(),a())
     f#(x,f(y,a())) -> f#(f(a(),a()),y)
     f#(x,f(y,a())) -> f#(f(f(a(),a()),y),h(a()))
     f#(x,f(y,a())) -> f#(f(f(f(a(),a()),y),h(a())),x)
    TRS:
     f(x,f(y,a())) -> f(f(f(f(a(),a()),y),h(a())),x)
    Open