YES

NOTE: input TRS is reduced

original is
   6: c1() -> c2()
   7: f0(c1(),c1()) -> c0()
   8: f0(c2(),c2()) -> c2()
   9: c2() -> c2()

reduced to
   6: c1() -> c2()
   7: f0(c1(),c1()) -> c0()
   8: f0(c2(),c2()) -> c2()

1.89