MAYBE

Problem:
 f(b(a(),z)) -> z
 b(y,b(a(),z)) -> b(f(c(y,y,a())),b(f(z),a()))
 f(f(f(c(z,x,a())))) -> b(f(x),z)

Proof:
 DP Processor:
  DPs:
   b#(y,b(a(),z)) -> f#(z)
   b#(y,b(a(),z)) -> b#(f(z),a())
   b#(y,b(a(),z)) -> f#(c(y,y,a()))
   b#(y,b(a(),z)) -> b#(f(c(y,y,a())),b(f(z),a()))
   f#(f(f(c(z,x,a())))) -> f#(x)
   f#(f(f(c(z,x,a())))) -> b#(f(x),z)
  TRS:
   f(b(a(),z)) -> z
   b(y,b(a(),z)) -> b(f(c(y,y,a())),b(f(z),a()))
   f(f(f(c(z,x,a())))) -> b(f(x),z)
  CDG Processor:
   DPs:
    b#(y,b(a(),z)) -> f#(z)
    b#(y,b(a(),z)) -> b#(f(z),a())
    b#(y,b(a(),z)) -> f#(c(y,y,a()))
    b#(y,b(a(),z)) -> b#(f(c(y,y,a())),b(f(z),a()))
    f#(f(f(c(z,x,a())))) -> f#(x)
    f#(f(f(c(z,x,a())))) -> b#(f(x),z)
   TRS:
    f(b(a(),z)) -> z
    b(y,b(a(),z)) -> b(f(c(y,y,a())),b(f(z),a()))
    f(f(f(c(z,x,a())))) -> b(f(x),z)
   graph:
    b#(y,b(a(),z)) -> b#(f(c(y,y,a())),b(f(z),a())) ->
    b#(y,b(a(),z)) -> f#(z)
    b#(y,b(a(),z)) -> b#(f(c(y,y,a())),b(f(z),a())) ->
    b#(y,b(a(),z)) -> b#(f(z),a())
    b#(y,b(a(),z)) -> b#(f(c(y,y,a())),b(f(z),a())) ->
    b#(y,b(a(),z)) -> f#(c(y,y,a()))
    b#(y,b(a(),z)) -> b#(f(c(y,y,a())),b(f(z),a())) ->
    b#(y,b(a(),z)) -> b#(f(c(y,y,a())),b(f(z),a()))
    b#(y,b(a(),z)) -> f#(z) -> f#(f(f(c(z,x,a())))) -> f#(x)
    b#(y,b(a(),z)) -> f#(z) -> f#(f(f(c(z,x,a())))) -> b#(f(x),z)
    f#(f(f(c(z,x,a())))) -> b#(f(x),z) -> b#(y,b(a(),z)) -> f#(z)
    f#(f(f(c(z,x,a())))) -> b#(f(x),z) ->
    b#(y,b(a(),z)) -> b#(f(z),a())
    f#(f(f(c(z,x,a())))) -> b#(f(x),z) ->
    b#(y,b(a(),z)) -> f#(c(y,y,a()))
    f#(f(f(c(z,x,a())))) -> b#(f(x),z) ->
    b#(y,b(a(),z)) -> b#(f(c(y,y,a())),b(f(z),a()))
    f#(f(f(c(z,x,a())))) -> f#(x) -> f#(f(f(c(z,x,a())))) -> f#(x)
    f#(f(f(c(z,x,a())))) -> f#(x) -> f#(f(f(c(z,x,a())))) -> b#(f(x),z)
   SCC Processor:
    #sccs: 1
    #rules: 4
    #arcs: 12/36
    DPs:
     b#(y,b(a(),z)) -> b#(f(c(y,y,a())),b(f(z),a()))
     b#(y,b(a(),z)) -> f#(z)
     f#(f(f(c(z,x,a())))) -> b#(f(x),z)
     f#(f(f(c(z,x,a())))) -> f#(x)
    TRS:
     f(b(a(),z)) -> z
     b(y,b(a(),z)) -> b(f(c(y,y,a())),b(f(z),a()))
     f(f(f(c(z,x,a())))) -> b(f(x),z)
    Open