MAYBE 'Pop* with parameter subtitution (timeout of 60.0 seconds)' ----------------------------------------------------------- Answer: MAYBE Input Problem: innermost runtime-complexity with respect to Rules: { b(c(x1)) -> d(c(x1)) , b(d(x1)) -> d(b(x1)) , a(d(x1)) -> a(b(b(x1)))} Proof Output: The input cannot be shown compatible