MAYBE We are left with following problem, upon which TcT provides the certificate MAYBE. Strict Trs: { *(X, +(Y, 1())) -> +(*(X, +(Y, *(1(), 0()))), X) , *(X, 1()) -> X , *(X, 0()) -> X , *(X, 0()) -> 0() } Obligation: innermost runtime complexity Answer: MAYBE We add following dependency tuples: Strict DPs: { *^#(X, +(Y, 1())) -> c_1(*^#(X, +(Y, *(1(), 0()))), *^#(1(), 0())) , *^#(X, 1()) -> c_2() , *^#(X, 0()) -> c_3() , *^#(X, 0()) -> c_4() } and mark the set of starting terms. We are left with following problem, upon which TcT provides the certificate MAYBE. Strict DPs: { *^#(X, +(Y, 1())) -> c_1(*^#(X, +(Y, *(1(), 0()))), *^#(1(), 0())) , *^#(X, 1()) -> c_2() , *^#(X, 0()) -> c_3() , *^#(X, 0()) -> c_4() } Weak Trs: { *(X, +(Y, 1())) -> +(*(X, +(Y, *(1(), 0()))), X) , *(X, 1()) -> X , *(X, 0()) -> X , *(X, 0()) -> 0() } Obligation: innermost runtime complexity Answer: MAYBE We estimate the number of application of {2,3,4} by applications of Pre({2,3,4}) = {1}. Here rules are labeled as follows: DPs: { 1: *^#(X, +(Y, 1())) -> c_1(*^#(X, +(Y, *(1(), 0()))), *^#(1(), 0())) , 2: *^#(X, 1()) -> c_2() , 3: *^#(X, 0()) -> c_3() , 4: *^#(X, 0()) -> c_4() } We are left with following problem, upon which TcT provides the certificate MAYBE. Strict DPs: { *^#(X, +(Y, 1())) -> c_1(*^#(X, +(Y, *(1(), 0()))), *^#(1(), 0())) } Weak DPs: { *^#(X, 1()) -> c_2() , *^#(X, 0()) -> c_3() , *^#(X, 0()) -> c_4() } Weak Trs: { *(X, +(Y, 1())) -> +(*(X, +(Y, *(1(), 0()))), X) , *(X, 1()) -> X , *(X, 0()) -> X , *(X, 0()) -> 0() } Obligation: innermost runtime complexity Answer: MAYBE The following weak DPs constitute a sub-graph of the DG that is closed under successors. The DPs are removed. { *^#(X, 1()) -> c_2() , *^#(X, 0()) -> c_3() , *^#(X, 0()) -> c_4() } We are left with following problem, upon which TcT provides the certificate MAYBE. Strict DPs: { *^#(X, +(Y, 1())) -> c_1(*^#(X, +(Y, *(1(), 0()))), *^#(1(), 0())) } Weak Trs: { *(X, +(Y, 1())) -> +(*(X, +(Y, *(1(), 0()))), X) , *(X, 1()) -> X , *(X, 0()) -> X , *(X, 0()) -> 0() } Obligation: innermost runtime complexity Answer: MAYBE Due to missing edges in the dependency-graph, the right-hand sides of following rules could be simplified: { *^#(X, +(Y, 1())) -> c_1(*^#(X, +(Y, *(1(), 0()))), *^#(1(), 0())) } We are left with following problem, upon which TcT provides the certificate MAYBE. Strict DPs: { *^#(X, +(Y, 1())) -> c_1(*^#(X, +(Y, *(1(), 0())))) } Weak Trs: { *(X, +(Y, 1())) -> +(*(X, +(Y, *(1(), 0()))), X) , *(X, 1()) -> X , *(X, 0()) -> X , *(X, 0()) -> 0() } Obligation: innermost runtime complexity Answer: MAYBE The input cannot be shown compatible Arrrr..