MAYBE 37.78/11.93 MAYBE 37.78/11.93 37.78/11.93 We are left with following problem, upon which TcT provides the 37.78/11.93 certificate MAYBE. 37.78/11.93 37.78/11.93 Strict Trs: 37.78/11.93 { fib(0()) -> 0() 37.78/11.93 , fib(s(0())) -> s(0()) 37.78/11.93 , fib(s(s(x))) -> +(fib(s(x)), fib(x)) } 37.78/11.93 Obligation: 37.78/11.93 innermost runtime complexity 37.78/11.93 Answer: 37.78/11.93 MAYBE 37.78/11.93 37.78/11.93 None of the processors succeeded. 37.78/11.93 37.78/11.93 Details of failed attempt(s): 37.78/11.93 ----------------------------- 37.78/11.93 1) 'empty' failed due to the following reason: 37.78/11.93 37.78/11.93 Empty strict component of the problem is NOT empty. 37.78/11.93 37.78/11.93 2) 'Best' failed due to the following reason: 37.78/11.93 37.78/11.93 None of the processors succeeded. 37.78/11.93 37.78/11.93 Details of failed attempt(s): 37.78/11.93 ----------------------------- 37.78/11.93 1) 'With Problem ... (timeout of 297 seconds)' failed due to the 37.78/11.93 following reason: 37.78/11.93 37.78/11.93 We add the following weak dependency pairs: 37.78/11.93 37.78/11.93 Strict DPs: 37.78/11.93 { fib^#(0()) -> c_1() 37.78/11.93 , fib^#(s(0())) -> c_2() 37.78/11.93 , fib^#(s(s(x))) -> c_3(fib^#(s(x)), fib^#(x)) } 37.78/11.93 37.78/11.93 and mark the set of starting terms. 37.78/11.93 37.78/11.93 We are left with following problem, upon which TcT provides the 37.78/11.93 certificate MAYBE. 37.78/11.93 37.78/11.93 Strict DPs: 37.78/11.93 { fib^#(0()) -> c_1() 37.78/11.93 , fib^#(s(0())) -> c_2() 37.78/11.93 , fib^#(s(s(x))) -> c_3(fib^#(s(x)), fib^#(x)) } 37.78/11.93 Strict Trs: 37.78/11.93 { fib(0()) -> 0() 37.78/11.93 , fib(s(0())) -> s(0()) 37.78/11.93 , fib(s(s(x))) -> +(fib(s(x)), fib(x)) } 37.78/11.93 Obligation: 37.78/11.93 innermost runtime complexity 37.78/11.93 Answer: 37.78/11.93 MAYBE 37.78/11.93 37.78/11.93 No rule is usable, rules are removed from the input problem. 37.78/11.93 37.78/11.93 We are left with following problem, upon which TcT provides the 37.78/11.93 certificate MAYBE. 37.78/11.93 37.78/11.93 Strict DPs: 37.78/11.93 { fib^#(0()) -> c_1() 37.78/11.93 , fib^#(s(0())) -> c_2() 37.78/11.93 , fib^#(s(s(x))) -> c_3(fib^#(s(x)), fib^#(x)) } 37.78/11.93 Obligation: 37.78/11.93 innermost runtime complexity 37.78/11.93 Answer: 37.78/11.93 MAYBE 37.78/11.93 37.78/11.93 The weightgap principle applies (using the following constant 37.78/11.93 growth matrix-interpretation) 37.78/11.93 37.78/11.93 The following argument positions are usable: 37.78/11.93 Uargs(c_3) = {1, 2} 37.78/11.93 37.78/11.93 TcT has computed the following constructor-restricted matrix 37.78/11.93 interpretation. 37.78/11.93 37.78/11.93 [0] = [0] 37.78/11.93 [0] 37.78/11.93 37.78/11.93 [s](x1) = [0] 37.78/11.93 [0] 37.78/11.93 37.78/11.93 [fib^#](x1) = [1] 37.78/11.93 [0] 37.78/11.93 37.78/11.93 [c_1] = [0] 37.78/11.93 [0] 37.78/11.93 37.78/11.93 [c_2] = [0] 37.78/11.93 [0] 37.78/11.93 37.78/11.93 [c_3](x1, x2) = [1 0] x1 + [1 0] x2 + [1] 37.78/11.93 [0 1] [0 1] [2] 37.78/11.93 37.78/11.93 The order satisfies the following ordering constraints: 37.78/11.93 37.78/11.93 [fib^#(0())] = [1] 37.78/11.93 [0] 37.78/11.93 > [0] 37.78/11.93 [0] 37.78/11.93 = [c_1()] 37.78/11.93 37.78/11.93 [fib^#(s(0()))] = [1] 37.78/11.93 [0] 37.78/11.93 > [0] 37.78/11.93 [0] 37.78/11.93 = [c_2()] 37.78/11.93 37.78/11.93 [fib^#(s(s(x)))] = [1] 37.78/11.93 [0] 37.78/11.93 ? [3] 37.78/11.93 [2] 37.78/11.93 = [c_3(fib^#(s(x)), fib^#(x))] 37.78/11.93 37.78/11.93 37.78/11.93 Further, it can be verified that all rules not oriented are covered by the weightgap condition. 37.78/11.93 37.78/11.93 We are left with following problem, upon which TcT provides the 37.78/11.93 certificate MAYBE. 37.78/11.93 37.78/11.93 Strict DPs: { fib^#(s(s(x))) -> c_3(fib^#(s(x)), fib^#(x)) } 37.78/11.93 Weak DPs: 37.78/11.93 { fib^#(0()) -> c_1() 37.78/11.93 , fib^#(s(0())) -> c_2() } 37.78/11.93 Obligation: 37.78/11.93 innermost runtime complexity 37.78/11.93 Answer: 37.78/11.93 MAYBE 37.78/11.93 37.78/11.93 The following weak DPs constitute a sub-graph of the DG that is 37.78/11.93 closed under successors. The DPs are removed. 37.78/11.93 37.78/11.93 { fib^#(0()) -> c_1() 37.78/11.93 , fib^#(s(0())) -> c_2() } 37.78/11.93 37.78/11.93 We are left with following problem, upon which TcT provides the 37.78/11.93 certificate MAYBE. 37.78/11.93 37.78/11.93 Strict DPs: { fib^#(s(s(x))) -> c_3(fib^#(s(x)), fib^#(x)) } 37.78/11.93 Obligation: 37.78/11.93 innermost runtime complexity 37.78/11.93 Answer: 37.78/11.93 MAYBE 37.78/11.93 37.78/11.93 None of the processors succeeded. 37.78/11.93 37.78/11.93 Details of failed attempt(s): 37.78/11.93 ----------------------------- 37.78/11.93 1) 'empty' failed due to the following reason: 37.78/11.93 37.78/11.93 Empty strict component of the problem is NOT empty. 37.78/11.93 37.78/11.93 2) 'With Problem ...' failed due to the following reason: 37.78/11.93 37.78/11.93 None of the processors succeeded. 37.78/11.93 37.78/11.93 Details of failed attempt(s): 37.78/11.93 ----------------------------- 37.78/11.93 1) 'empty' failed due to the following reason: 37.78/11.93 37.78/11.93 Empty strict component of the problem is NOT empty. 37.78/11.93 37.78/11.93 2) 'Fastest' failed due to the following reason: 37.78/11.93 37.78/11.93 None of the processors succeeded. 37.78/11.93 37.78/11.93 Details of failed attempt(s): 37.78/11.93 ----------------------------- 37.78/11.93 1) 'With Problem ...' failed due to the following reason: 37.78/11.93 37.78/11.93 None of the processors succeeded. 37.78/11.93 37.78/11.93 Details of failed attempt(s): 37.78/11.93 ----------------------------- 37.78/11.93 1) 'empty' failed due to the following reason: 37.78/11.93 37.78/11.93 Empty strict component of the problem is NOT empty. 37.78/11.93 37.78/11.93 2) 'Polynomial Path Order (PS)' failed due to the following reason: 37.78/11.93 37.78/11.93 The input cannot be shown compatible 37.78/11.93 37.78/11.93 37.78/11.93 2) 'Polynomial Path Order (PS)' failed due to the following reason: 37.78/11.93 37.78/11.93 The input cannot be shown compatible 37.78/11.93 37.78/11.93 3) 'Fastest (timeout of 24 seconds)' failed due to the following 37.78/11.93 reason: 37.78/11.93 37.78/11.93 None of the processors succeeded. 37.78/11.93 37.78/11.93 Details of failed attempt(s): 37.78/11.93 ----------------------------- 37.78/11.93 1) 'Bounds with perSymbol-enrichment and initial automaton 'match'' 37.78/11.93 failed due to the following reason: 37.78/11.93 37.78/11.93 match-boundness of the problem could not be verified. 37.78/11.93 37.78/11.93 2) 'Bounds with minimal-enrichment and initial automaton 'match'' 37.78/11.93 failed due to the following reason: 37.78/11.93 37.78/11.93 match-boundness of the problem could not be verified. 37.78/11.93 37.78/11.93 37.78/11.93 37.78/11.93 37.78/11.93 37.78/11.93 2) 'Best' failed due to the following reason: 37.78/11.93 37.78/11.93 None of the processors succeeded. 37.78/11.93 37.78/11.93 Details of failed attempt(s): 37.78/11.93 ----------------------------- 37.78/11.93 1) 'With Problem ... (timeout of 148 seconds) (timeout of 297 37.78/11.93 seconds)' failed due to the following reason: 37.78/11.93 37.78/11.93 The weightgap principle applies (using the following nonconstant 37.78/11.93 growth matrix-interpretation) 37.78/11.93 37.78/11.93 The following argument positions are usable: 37.78/11.93 Uargs(+) = {1, 2} 37.78/11.93 37.78/11.93 TcT has computed the following matrix interpretation satisfying 37.78/11.93 not(EDA) and not(IDA(1)). 37.78/11.93 37.78/11.93 [fib](x1) = [7] 37.78/11.93 37.78/11.93 [0] = [3] 37.78/11.93 37.78/11.93 [s](x1) = [1] x1 + [3] 37.78/11.93 37.78/11.93 [+](x1, x2) = [1] x1 + [1] x2 + [0] 37.78/11.93 37.78/11.93 The order satisfies the following ordering constraints: 37.78/11.93 37.78/11.93 [fib(0())] = [7] 37.78/11.93 > [3] 37.78/11.93 = [0()] 37.78/11.93 37.78/11.93 [fib(s(0()))] = [7] 37.78/11.93 > [6] 37.78/11.93 = [s(0())] 37.78/11.93 37.78/11.93 [fib(s(s(x)))] = [7] 37.78/11.93 ? [14] 37.78/11.93 = [+(fib(s(x)), fib(x))] 37.78/11.93 37.78/11.93 37.78/11.93 Further, it can be verified that all rules not oriented are covered by the weightgap condition. 37.78/11.93 37.78/11.93 We are left with following problem, upon which TcT provides the 37.78/11.93 certificate MAYBE. 37.78/11.93 37.78/11.93 Strict Trs: { fib(s(s(x))) -> +(fib(s(x)), fib(x)) } 37.78/11.93 Weak Trs: 37.78/11.93 { fib(0()) -> 0() 37.78/11.93 , fib(s(0())) -> s(0()) } 37.78/11.93 Obligation: 37.78/11.93 innermost runtime complexity 37.78/11.93 Answer: 37.78/11.93 MAYBE 37.78/11.93 37.78/11.93 None of the processors succeeded. 37.78/11.93 37.78/11.93 Details of failed attempt(s): 37.78/11.93 ----------------------------- 37.78/11.93 1) 'empty' failed due to the following reason: 37.78/11.93 37.78/11.93 Empty strict component of the problem is NOT empty. 37.78/11.93 37.78/11.93 2) 'With Problem ...' failed due to the following reason: 37.78/11.93 37.78/11.93 None of the processors succeeded. 37.78/11.93 37.78/11.93 Details of failed attempt(s): 37.78/11.93 ----------------------------- 37.78/11.93 1) 'empty' failed due to the following reason: 37.78/11.93 37.78/11.93 Empty strict component of the problem is NOT empty. 37.78/11.93 37.78/11.93 2) 'Fastest' failed due to the following reason: 37.78/11.93 37.78/11.93 None of the processors succeeded. 37.78/11.93 37.78/11.93 Details of failed attempt(s): 37.78/11.93 ----------------------------- 37.78/11.93 1) 'With Problem ...' failed due to the following reason: 37.78/11.93 37.78/11.93 None of the processors succeeded. 37.78/11.93 37.78/11.93 Details of failed attempt(s): 37.78/11.93 ----------------------------- 37.78/11.93 1) 'empty' failed due to the following reason: 37.78/11.93 37.78/11.93 Empty strict component of the problem is NOT empty. 37.78/11.93 37.78/11.93 2) 'With Problem ...' failed due to the following reason: 37.78/11.93 37.78/11.93 None of the processors succeeded. 37.78/11.93 37.78/11.93 Details of failed attempt(s): 37.78/11.93 ----------------------------- 37.78/11.93 1) 'empty' failed due to the following reason: 37.78/11.93 37.78/11.93 Empty strict component of the problem is NOT empty. 37.78/11.93 37.78/11.93 2) 'With Problem ...' failed due to the following reason: 37.78/11.93 37.78/11.93 None of the processors succeeded. 37.78/11.93 37.78/11.93 Details of failed attempt(s): 37.78/11.93 ----------------------------- 37.78/11.93 1) 'empty' failed due to the following reason: 37.78/11.93 37.78/11.93 Empty strict component of the problem is NOT empty. 37.78/11.93 37.78/11.93 2) 'With Problem ...' failed due to the following reason: 37.78/11.93 37.78/11.93 Empty strict component of the problem is NOT empty. 37.78/11.93 37.78/11.93 37.78/11.93 37.78/11.93 37.78/11.93 2) 'With Problem ...' failed due to the following reason: 37.78/11.93 37.78/11.93 None of the processors succeeded. 37.78/11.93 37.78/11.93 Details of failed attempt(s): 37.78/11.93 ----------------------------- 37.78/11.93 1) 'empty' failed due to the following reason: 37.78/11.93 37.78/11.93 Empty strict component of the problem is NOT empty. 37.78/11.93 37.78/11.93 2) 'With Problem ...' failed due to the following reason: 37.78/11.93 37.78/11.93 Empty strict component of the problem is NOT empty. 37.78/11.93 37.78/11.93 37.78/11.93 37.78/11.93 37.78/11.93 37.78/11.93 2) 'Best' failed due to the following reason: 37.78/11.93 37.78/11.93 None of the processors succeeded. 37.78/11.93 37.78/11.93 Details of failed attempt(s): 37.78/11.93 ----------------------------- 37.78/11.93 1) 'Polynomial Path Order (PS) (timeout of 297 seconds)' failed due 37.78/11.93 to the following reason: 37.78/11.93 37.78/11.93 The input cannot be shown compatible 37.78/11.93 37.78/11.93 2) 'bsearch-popstar (timeout of 297 seconds)' failed due to the 37.78/11.93 following reason: 37.78/11.93 37.78/11.93 The input cannot be shown compatible 37.78/11.93 37.78/11.93 37.78/11.93 3) 'Fastest (timeout of 24 seconds) (timeout of 297 seconds)' 37.78/11.93 failed due to the following reason: 37.78/11.93 37.78/11.93 None of the processors succeeded. 37.78/11.93 37.78/11.93 Details of failed attempt(s): 37.78/11.93 ----------------------------- 37.78/11.93 1) 'Bounds with minimal-enrichment and initial automaton 'match'' 37.78/11.93 failed due to the following reason: 37.78/11.93 37.78/11.93 match-boundness of the problem could not be verified. 37.78/11.93 37.78/11.93 2) 'Bounds with perSymbol-enrichment and initial automaton 'match'' 37.78/11.93 failed due to the following reason: 37.78/11.93 37.78/11.93 match-boundness of the problem could not be verified. 37.78/11.93 37.78/11.93 37.78/11.93 37.78/11.93 37.78/11.93 37.78/11.93 Arrrr.. 37.78/11.96 EOF