MAYBE Problem: b(c(a(x1))) -> a(b(a(b(x1)))) b(x1) -> c(c(x1)) a(a(x1)) -> a(c(b(a(x1)))) Proof: Complexity Transformation Processor: strict: b(c(a(x1))) -> a(b(a(b(x1)))) b(x1) -> c(c(x1)) a(a(x1)) -> a(c(b(a(x1)))) weak: Matrix Interpretation Processor: dimension: 1 max_matrix: 1 interpretation: [b](x0) = x0 + 1, [c](x0) = x0, [a](x0) = x0 orientation: b(c(a(x1))) = x1 + 1 >= x1 + 2 = a(b(a(b(x1)))) b(x1) = x1 + 1 >= x1 = c(c(x1)) a(a(x1)) = x1 >= x1 + 1 = a(c(b(a(x1)))) problem: strict: b(c(a(x1))) -> a(b(a(b(x1)))) a(a(x1)) -> a(c(b(a(x1)))) weak: b(x1) -> c(c(x1)) Open