0.34/0.65 NO 0.34/0.65 0.34/0.65 Problem: 0.34/0.65 a(x1) -> x1 0.34/0.65 a(b(x1)) -> a(c(b(b(a(a(x1)))))) 0.34/0.65 b(x1) -> x1 0.34/0.65 c(c(x1)) -> x1 0.34/0.65 0.34/0.65 Proof: 0.34/0.65 String Reversal Processor: 0.34/0.65 a(x1) -> x1 0.34/0.65 b(a(x1)) -> a(a(b(b(c(a(x1)))))) 0.34/0.65 b(x1) -> x1 0.34/0.65 c(c(x1)) -> x1 0.34/0.65 Unfolding Processor: 0.34/0.65 loop length: 7 0.34/0.65 terms: 0.34/0.65 b(a(c(a(x1821)))) 0.34/0.65 a(a(b(b(c(a(c(a(x1821)))))))) 0.34/0.65 a(a(b(b(c(c(a(x1821))))))) 0.34/0.65 a(a(b(b(a(x1821))))) 0.34/0.65 a(a(b(a(a(b(b(c(a(x1821))))))))) 0.34/0.65 a(a(b(a(b(b(c(a(x1821)))))))) 0.34/0.65 a(a(b(a(b(c(a(x1821))))))) 0.34/0.65 context: a(a([])) 0.34/0.65 substitution: 0.34/0.65 x1821 -> x1821 0.34/0.65 Qed 0.34/0.65 EOF