We are left with following problem, upon which TcT provides the
certificate YES(O(1),O(n^2)).

Strict Trs:
  { __(X1, X2) -> n____(X1, X2)
  , __(X, nil()) -> X
  , __(__(X, Y), Z) -> __(X, __(Y, Z))
  , __(nil(), X) -> X
  , nil() -> n__nil()
  , and(tt(), X) -> activate(X)
  , activate(X) -> X
  , activate(n__nil()) -> nil()
  , activate(n____(X1, X2)) -> __(activate(X1), activate(X2))
  , activate(n__isList(X)) -> isList(X)
  , activate(n__isNeList(X)) -> isNeList(X)
  , activate(n__isPal(X)) -> isPal(X)
  , activate(n__a()) -> a()
  , activate(n__e()) -> e()
  , activate(n__i()) -> i()
  , activate(n__o()) -> o()
  , activate(n__u()) -> u()
  , isList(V) -> isNeList(activate(V))
  , isList(X) -> n__isList(X)
  , isList(n__nil()) -> tt()
  , isList(n____(V1, V2)) ->
    and(isList(activate(V1)), n__isList(activate(V2)))
  , isNeList(V) -> isQid(activate(V))
  , isNeList(X) -> n__isNeList(X)
  , isNeList(n____(V1, V2)) ->
    and(isList(activate(V1)), n__isNeList(activate(V2)))
  , isNeList(n____(V1, V2)) ->
    and(isNeList(activate(V1)), n__isList(activate(V2)))
  , isQid(n__a()) -> tt()
  , isQid(n__e()) -> tt()
  , isQid(n__i()) -> tt()
  , isQid(n__o()) -> tt()
  , isQid(n__u()) -> tt()
  , isNePal(V) -> isQid(activate(V))
  , isNePal(n____(I, n____(P, I))) ->
    and(isQid(activate(I)), n__isPal(activate(P)))
  , isPal(V) -> isNePal(activate(V))
  , isPal(X) -> n__isPal(X)
  , isPal(n__nil()) -> tt()
  , a() -> n__a()
  , e() -> n__e()
  , i() -> n__i()
  , o() -> n__o()
  , u() -> n__u() }
Obligation:
  innermost runtime complexity
Answer:
  YES(O(1),O(n^2))

Arguments of following rules are not normal-forms:

{ __(X, nil()) -> X
, __(__(X, Y), Z) -> __(X, __(Y, Z))
, __(nil(), X) -> X }

All above mentioned rules can be savely removed.

We are left with following problem, upon which TcT provides the
certificate YES(O(1),O(n^2)).

Strict Trs:
  { __(X1, X2) -> n____(X1, X2)
  , nil() -> n__nil()
  , and(tt(), X) -> activate(X)
  , activate(X) -> X
  , activate(n__nil()) -> nil()
  , activate(n____(X1, X2)) -> __(activate(X1), activate(X2))
  , activate(n__isList(X)) -> isList(X)
  , activate(n__isNeList(X)) -> isNeList(X)
  , activate(n__isPal(X)) -> isPal(X)
  , activate(n__a()) -> a()
  , activate(n__e()) -> e()
  , activate(n__i()) -> i()
  , activate(n__o()) -> o()
  , activate(n__u()) -> u()
  , isList(V) -> isNeList(activate(V))
  , isList(X) -> n__isList(X)
  , isList(n__nil()) -> tt()
  , isList(n____(V1, V2)) ->
    and(isList(activate(V1)), n__isList(activate(V2)))
  , isNeList(V) -> isQid(activate(V))
  , isNeList(X) -> n__isNeList(X)
  , isNeList(n____(V1, V2)) ->
    and(isList(activate(V1)), n__isNeList(activate(V2)))
  , isNeList(n____(V1, V2)) ->
    and(isNeList(activate(V1)), n__isList(activate(V2)))
  , isQid(n__a()) -> tt()
  , isQid(n__e()) -> tt()
  , isQid(n__i()) -> tt()
  , isQid(n__o()) -> tt()
  , isQid(n__u()) -> tt()
  , isNePal(V) -> isQid(activate(V))
  , isNePal(n____(I, n____(P, I))) ->
    and(isQid(activate(I)), n__isPal(activate(P)))
  , isPal(V) -> isNePal(activate(V))
  , isPal(X) -> n__isPal(X)
  , isPal(n__nil()) -> tt()
  , a() -> n__a()
  , e() -> n__e()
  , i() -> n__i()
  , o() -> n__o()
  , u() -> n__u() }
Obligation:
  innermost runtime complexity
Answer:
  YES(O(1),O(n^2))

The weightgap principle applies (using the following nonconstant
growth matrix-interpretation)

The following argument positions are usable:
  Uargs(__) = {1, 2}, Uargs(and) = {1, 2}, Uargs(isList) = {1},
  Uargs(isNeList) = {1}, Uargs(n__isList) = {1}, Uargs(isQid) = {1},
  Uargs(n__isNeList) = {1}, Uargs(isNePal) = {1},
  Uargs(n__isPal) = {1}

TcT has computed the following matrix interpretation satisfying
not(EDA) and not(IDA(1)).

       [__](x1, x2) = [1] x1 + [1] x2 + [0]
                                           
              [nil] = [5]                  
                                           
      [and](x1, x2) = [1] x1 + [1] x2 + [0]
                                           
               [tt] = [0]                  
                                           
     [activate](x1) = [1] x1 + [0]         
                                           
       [isList](x1) = [1] x1 + [0]         
                                           
     [isNeList](x1) = [1] x1 + [0]         
                                           
           [n__nil] = [0]                  
                                           
    [n____](x1, x2) = [1] x1 + [1] x2 + [0]
                                           
    [n__isList](x1) = [1] x1 + [0]         
                                           
        [isQid](x1) = [1] x1 + [0]         
                                           
  [n__isNeList](x1) = [1] x1 + [0]         
                                           
      [isNePal](x1) = [1] x1 + [0]         
                                           
     [n__isPal](x1) = [1] x1 + [0]         
                                           
        [isPal](x1) = [1] x1 + [0]         
                                           
             [n__a] = [0]                  
                                           
             [n__e] = [0]                  
                                           
             [n__i] = [0]                  
                                           
             [n__o] = [0]                  
                                           
             [n__u] = [0]                  
                                           
                [a] = [0]                  
                                           
                [e] = [1]                  
                                           
                [i] = [2]                  
                                           
                [o] = [0]                  
                                           
                [u] = [0]                  

The order satisfies the following ordering constraints:

                      [__(X1, X2)] =  [1] X1 + [1] X2 + [0]                                 
                                   >= [1] X1 + [1] X2 + [0]                                 
                                   =  [n____(X1, X2)]                                       
                                                                                            
                           [nil()] =  [5]                                                   
                                   >  [0]                                                   
                                   =  [n__nil()]                                            
                                                                                            
                    [and(tt(), X)] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [activate(X)]                                         
                                                                                            
                     [activate(X)] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [X]                                                   
                                                                                            
              [activate(n__nil())] =  [0]                                                   
                                   ?  [5]                                                   
                                   =  [nil()]                                               
                                                                                            
         [activate(n____(X1, X2))] =  [1] X1 + [1] X2 + [0]                                 
                                   >= [1] X1 + [1] X2 + [0]                                 
                                   =  [__(activate(X1), activate(X2))]                      
                                                                                            
          [activate(n__isList(X))] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [isList(X)]                                           
                                                                                            
        [activate(n__isNeList(X))] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [isNeList(X)]                                         
                                                                                            
           [activate(n__isPal(X))] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [isPal(X)]                                            
                                                                                            
                [activate(n__a())] =  [0]                                                   
                                   >= [0]                                                   
                                   =  [a()]                                                 
                                                                                            
                [activate(n__e())] =  [0]                                                   
                                   ?  [1]                                                   
                                   =  [e()]                                                 
                                                                                            
                [activate(n__i())] =  [0]                                                   
                                   ?  [2]                                                   
                                   =  [i()]                                                 
                                                                                            
                [activate(n__o())] =  [0]                                                   
                                   >= [0]                                                   
                                   =  [o()]                                                 
                                                                                            
                [activate(n__u())] =  [0]                                                   
                                   >= [0]                                                   
                                   =  [u()]                                                 
                                                                                            
                       [isList(V)] =  [1] V + [0]                                           
                                   >= [1] V + [0]                                           
                                   =  [isNeList(activate(V))]                               
                                                                                            
                       [isList(X)] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [n__isList(X)]                                        
                                                                                            
                [isList(n__nil())] =  [0]                                                   
                                   >= [0]                                                   
                                   =  [tt()]                                                
                                                                                            
           [isList(n____(V1, V2))] =  [1] V1 + [1] V2 + [0]                                 
                                   >= [1] V1 + [1] V2 + [0]                                 
                                   =  [and(isList(activate(V1)), n__isList(activate(V2)))]  
                                                                                            
                     [isNeList(V)] =  [1] V + [0]                                           
                                   >= [1] V + [0]                                           
                                   =  [isQid(activate(V))]                                  
                                                                                            
                     [isNeList(X)] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [n__isNeList(X)]                                      
                                                                                            
         [isNeList(n____(V1, V2))] =  [1] V1 + [1] V2 + [0]                                 
                                   >= [1] V1 + [1] V2 + [0]                                 
                                   =  [and(isList(activate(V1)), n__isNeList(activate(V2)))]
                                                                                            
         [isNeList(n____(V1, V2))] =  [1] V1 + [1] V2 + [0]                                 
                                   >= [1] V1 + [1] V2 + [0]                                 
                                   =  [and(isNeList(activate(V1)), n__isList(activate(V2)))]
                                                                                            
                   [isQid(n__a())] =  [0]                                                   
                                   >= [0]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__e())] =  [0]                                                   
                                   >= [0]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__i())] =  [0]                                                   
                                   >= [0]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__o())] =  [0]                                                   
                                   >= [0]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__u())] =  [0]                                                   
                                   >= [0]                                                   
                                   =  [tt()]                                                
                                                                                            
                      [isNePal(V)] =  [1] V + [0]                                           
                                   >= [1] V + [0]                                           
                                   =  [isQid(activate(V))]                                  
                                                                                            
  [isNePal(n____(I, n____(P, I)))] =  [2] I + [1] P + [0]                                   
                                   >= [1] I + [1] P + [0]                                   
                                   =  [and(isQid(activate(I)), n__isPal(activate(P)))]      
                                                                                            
                        [isPal(V)] =  [1] V + [0]                                           
                                   >= [1] V + [0]                                           
                                   =  [isNePal(activate(V))]                                
                                                                                            
                        [isPal(X)] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [n__isPal(X)]                                         
                                                                                            
                 [isPal(n__nil())] =  [0]                                                   
                                   >= [0]                                                   
                                   =  [tt()]                                                
                                                                                            
                             [a()] =  [0]                                                   
                                   >= [0]                                                   
                                   =  [n__a()]                                              
                                                                                            
                             [e()] =  [1]                                                   
                                   >  [0]                                                   
                                   =  [n__e()]                                              
                                                                                            
                             [i()] =  [2]                                                   
                                   >  [0]                                                   
                                   =  [n__i()]                                              
                                                                                            
                             [o()] =  [0]                                                   
                                   >= [0]                                                   
                                   =  [n__o()]                                              
                                                                                            
                             [u()] =  [0]                                                   
                                   >= [0]                                                   
                                   =  [n__u()]                                              
                                                                                            

Further, it can be verified that all rules not oriented are covered by the weightgap condition.

We are left with following problem, upon which TcT provides the
certificate YES(O(1),O(n^2)).

Strict Trs:
  { __(X1, X2) -> n____(X1, X2)
  , and(tt(), X) -> activate(X)
  , activate(X) -> X
  , activate(n__nil()) -> nil()
  , activate(n____(X1, X2)) -> __(activate(X1), activate(X2))
  , activate(n__isList(X)) -> isList(X)
  , activate(n__isNeList(X)) -> isNeList(X)
  , activate(n__isPal(X)) -> isPal(X)
  , activate(n__a()) -> a()
  , activate(n__e()) -> e()
  , activate(n__i()) -> i()
  , activate(n__o()) -> o()
  , activate(n__u()) -> u()
  , isList(V) -> isNeList(activate(V))
  , isList(X) -> n__isList(X)
  , isList(n__nil()) -> tt()
  , isList(n____(V1, V2)) ->
    and(isList(activate(V1)), n__isList(activate(V2)))
  , isNeList(V) -> isQid(activate(V))
  , isNeList(X) -> n__isNeList(X)
  , isNeList(n____(V1, V2)) ->
    and(isList(activate(V1)), n__isNeList(activate(V2)))
  , isNeList(n____(V1, V2)) ->
    and(isNeList(activate(V1)), n__isList(activate(V2)))
  , isQid(n__a()) -> tt()
  , isQid(n__e()) -> tt()
  , isQid(n__i()) -> tt()
  , isQid(n__o()) -> tt()
  , isQid(n__u()) -> tt()
  , isNePal(V) -> isQid(activate(V))
  , isNePal(n____(I, n____(P, I))) ->
    and(isQid(activate(I)), n__isPal(activate(P)))
  , isPal(V) -> isNePal(activate(V))
  , isPal(X) -> n__isPal(X)
  , isPal(n__nil()) -> tt()
  , a() -> n__a()
  , o() -> n__o()
  , u() -> n__u() }
Weak Trs:
  { nil() -> n__nil()
  , e() -> n__e()
  , i() -> n__i() }
Obligation:
  innermost runtime complexity
Answer:
  YES(O(1),O(n^2))

The weightgap principle applies (using the following nonconstant
growth matrix-interpretation)

The following argument positions are usable:
  Uargs(__) = {1, 2}, Uargs(and) = {1, 2}, Uargs(isList) = {1},
  Uargs(isNeList) = {1}, Uargs(n__isList) = {1}, Uargs(isQid) = {1},
  Uargs(n__isNeList) = {1}, Uargs(isNePal) = {1},
  Uargs(n__isPal) = {1}

TcT has computed the following matrix interpretation satisfying
not(EDA) and not(IDA(1)).

       [__](x1, x2) = [1] x1 + [1] x2 + [0]
                                           
              [nil] = [5]                  
                                           
      [and](x1, x2) = [1] x1 + [1] x2 + [0]
                                           
               [tt] = [4]                  
                                           
     [activate](x1) = [1] x1 + [0]         
                                           
       [isList](x1) = [1] x1 + [0]         
                                           
     [isNeList](x1) = [1] x1 + [0]         
                                           
           [n__nil] = [0]                  
                                           
    [n____](x1, x2) = [1] x1 + [1] x2 + [0]
                                           
    [n__isList](x1) = [1] x1 + [0]         
                                           
        [isQid](x1) = [1] x1 + [0]         
                                           
  [n__isNeList](x1) = [1] x1 + [0]         
                                           
      [isNePal](x1) = [1] x1 + [0]         
                                           
     [n__isPal](x1) = [1] x1 + [0]         
                                           
        [isPal](x1) = [1] x1 + [0]         
                                           
             [n__a] = [0]                  
                                           
             [n__e] = [0]                  
                                           
             [n__i] = [0]                  
                                           
             [n__o] = [0]                  
                                           
             [n__u] = [0]                  
                                           
                [a] = [0]                  
                                           
                [e] = [5]                  
                                           
                [i] = [5]                  
                                           
                [o] = [0]                  
                                           
                [u] = [0]                  

The order satisfies the following ordering constraints:

                      [__(X1, X2)] =  [1] X1 + [1] X2 + [0]                                 
                                   >= [1] X1 + [1] X2 + [0]                                 
                                   =  [n____(X1, X2)]                                       
                                                                                            
                           [nil()] =  [5]                                                   
                                   >  [0]                                                   
                                   =  [n__nil()]                                            
                                                                                            
                    [and(tt(), X)] =  [1] X + [4]                                           
                                   >  [1] X + [0]                                           
                                   =  [activate(X)]                                         
                                                                                            
                     [activate(X)] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [X]                                                   
                                                                                            
              [activate(n__nil())] =  [0]                                                   
                                   ?  [5]                                                   
                                   =  [nil()]                                               
                                                                                            
         [activate(n____(X1, X2))] =  [1] X1 + [1] X2 + [0]                                 
                                   >= [1] X1 + [1] X2 + [0]                                 
                                   =  [__(activate(X1), activate(X2))]                      
                                                                                            
          [activate(n__isList(X))] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [isList(X)]                                           
                                                                                            
        [activate(n__isNeList(X))] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [isNeList(X)]                                         
                                                                                            
           [activate(n__isPal(X))] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [isPal(X)]                                            
                                                                                            
                [activate(n__a())] =  [0]                                                   
                                   >= [0]                                                   
                                   =  [a()]                                                 
                                                                                            
                [activate(n__e())] =  [0]                                                   
                                   ?  [5]                                                   
                                   =  [e()]                                                 
                                                                                            
                [activate(n__i())] =  [0]                                                   
                                   ?  [5]                                                   
                                   =  [i()]                                                 
                                                                                            
                [activate(n__o())] =  [0]                                                   
                                   >= [0]                                                   
                                   =  [o()]                                                 
                                                                                            
                [activate(n__u())] =  [0]                                                   
                                   >= [0]                                                   
                                   =  [u()]                                                 
                                                                                            
                       [isList(V)] =  [1] V + [0]                                           
                                   >= [1] V + [0]                                           
                                   =  [isNeList(activate(V))]                               
                                                                                            
                       [isList(X)] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [n__isList(X)]                                        
                                                                                            
                [isList(n__nil())] =  [0]                                                   
                                   ?  [4]                                                   
                                   =  [tt()]                                                
                                                                                            
           [isList(n____(V1, V2))] =  [1] V1 + [1] V2 + [0]                                 
                                   >= [1] V1 + [1] V2 + [0]                                 
                                   =  [and(isList(activate(V1)), n__isList(activate(V2)))]  
                                                                                            
                     [isNeList(V)] =  [1] V + [0]                                           
                                   >= [1] V + [0]                                           
                                   =  [isQid(activate(V))]                                  
                                                                                            
                     [isNeList(X)] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [n__isNeList(X)]                                      
                                                                                            
         [isNeList(n____(V1, V2))] =  [1] V1 + [1] V2 + [0]                                 
                                   >= [1] V1 + [1] V2 + [0]                                 
                                   =  [and(isList(activate(V1)), n__isNeList(activate(V2)))]
                                                                                            
         [isNeList(n____(V1, V2))] =  [1] V1 + [1] V2 + [0]                                 
                                   >= [1] V1 + [1] V2 + [0]                                 
                                   =  [and(isNeList(activate(V1)), n__isList(activate(V2)))]
                                                                                            
                   [isQid(n__a())] =  [0]                                                   
                                   ?  [4]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__e())] =  [0]                                                   
                                   ?  [4]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__i())] =  [0]                                                   
                                   ?  [4]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__o())] =  [0]                                                   
                                   ?  [4]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__u())] =  [0]                                                   
                                   ?  [4]                                                   
                                   =  [tt()]                                                
                                                                                            
                      [isNePal(V)] =  [1] V + [0]                                           
                                   >= [1] V + [0]                                           
                                   =  [isQid(activate(V))]                                  
                                                                                            
  [isNePal(n____(I, n____(P, I)))] =  [2] I + [1] P + [0]                                   
                                   >= [1] I + [1] P + [0]                                   
                                   =  [and(isQid(activate(I)), n__isPal(activate(P)))]      
                                                                                            
                        [isPal(V)] =  [1] V + [0]                                           
                                   >= [1] V + [0]                                           
                                   =  [isNePal(activate(V))]                                
                                                                                            
                        [isPal(X)] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [n__isPal(X)]                                         
                                                                                            
                 [isPal(n__nil())] =  [0]                                                   
                                   ?  [4]                                                   
                                   =  [tt()]                                                
                                                                                            
                             [a()] =  [0]                                                   
                                   >= [0]                                                   
                                   =  [n__a()]                                              
                                                                                            
                             [e()] =  [5]                                                   
                                   >  [0]                                                   
                                   =  [n__e()]                                              
                                                                                            
                             [i()] =  [5]                                                   
                                   >  [0]                                                   
                                   =  [n__i()]                                              
                                                                                            
                             [o()] =  [0]                                                   
                                   >= [0]                                                   
                                   =  [n__o()]                                              
                                                                                            
                             [u()] =  [0]                                                   
                                   >= [0]                                                   
                                   =  [n__u()]                                              
                                                                                            

Further, it can be verified that all rules not oriented are covered by the weightgap condition.

We are left with following problem, upon which TcT provides the
certificate YES(O(1),O(n^2)).

Strict Trs:
  { __(X1, X2) -> n____(X1, X2)
  , activate(X) -> X
  , activate(n__nil()) -> nil()
  , activate(n____(X1, X2)) -> __(activate(X1), activate(X2))
  , activate(n__isList(X)) -> isList(X)
  , activate(n__isNeList(X)) -> isNeList(X)
  , activate(n__isPal(X)) -> isPal(X)
  , activate(n__a()) -> a()
  , activate(n__e()) -> e()
  , activate(n__i()) -> i()
  , activate(n__o()) -> o()
  , activate(n__u()) -> u()
  , isList(V) -> isNeList(activate(V))
  , isList(X) -> n__isList(X)
  , isList(n__nil()) -> tt()
  , isList(n____(V1, V2)) ->
    and(isList(activate(V1)), n__isList(activate(V2)))
  , isNeList(V) -> isQid(activate(V))
  , isNeList(X) -> n__isNeList(X)
  , isNeList(n____(V1, V2)) ->
    and(isList(activate(V1)), n__isNeList(activate(V2)))
  , isNeList(n____(V1, V2)) ->
    and(isNeList(activate(V1)), n__isList(activate(V2)))
  , isQid(n__a()) -> tt()
  , isQid(n__e()) -> tt()
  , isQid(n__i()) -> tt()
  , isQid(n__o()) -> tt()
  , isQid(n__u()) -> tt()
  , isNePal(V) -> isQid(activate(V))
  , isNePal(n____(I, n____(P, I))) ->
    and(isQid(activate(I)), n__isPal(activate(P)))
  , isPal(V) -> isNePal(activate(V))
  , isPal(X) -> n__isPal(X)
  , isPal(n__nil()) -> tt()
  , a() -> n__a()
  , o() -> n__o()
  , u() -> n__u() }
Weak Trs:
  { nil() -> n__nil()
  , and(tt(), X) -> activate(X)
  , e() -> n__e()
  , i() -> n__i() }
Obligation:
  innermost runtime complexity
Answer:
  YES(O(1),O(n^2))

The weightgap principle applies (using the following nonconstant
growth matrix-interpretation)

The following argument positions are usable:
  Uargs(__) = {1, 2}, Uargs(and) = {1, 2}, Uargs(isList) = {1},
  Uargs(isNeList) = {1}, Uargs(n__isList) = {1}, Uargs(isQid) = {1},
  Uargs(n__isNeList) = {1}, Uargs(isNePal) = {1},
  Uargs(n__isPal) = {1}

TcT has computed the following matrix interpretation satisfying
not(EDA) and not(IDA(1)).

       [__](x1, x2) = [1] x1 + [1] x2 + [0]
                                           
              [nil] = [5]                  
                                           
      [and](x1, x2) = [1] x1 + [1] x2 + [0]
                                           
               [tt] = [4]                  
                                           
     [activate](x1) = [1] x1 + [0]         
                                           
       [isList](x1) = [1] x1 + [0]         
                                           
     [isNeList](x1) = [1] x1 + [0]         
                                           
           [n__nil] = [0]                  
                                           
    [n____](x1, x2) = [1] x1 + [1] x2 + [0]
                                           
    [n__isList](x1) = [1] x1 + [4]         
                                           
        [isQid](x1) = [1] x1 + [0]         
                                           
  [n__isNeList](x1) = [1] x1 + [0]         
                                           
      [isNePal](x1) = [1] x1 + [0]         
                                           
     [n__isPal](x1) = [1] x1 + [0]         
                                           
        [isPal](x1) = [1] x1 + [0]         
                                           
             [n__a] = [0]                  
                                           
             [n__e] = [0]                  
                                           
             [n__i] = [0]                  
                                           
             [n__o] = [0]                  
                                           
             [n__u] = [0]                  
                                           
                [a] = [2]                  
                                           
                [e] = [5]                  
                                           
                [i] = [5]                  
                                           
                [o] = [2]                  
                                           
                [u] = [1]                  

The order satisfies the following ordering constraints:

                      [__(X1, X2)] =  [1] X1 + [1] X2 + [0]                                 
                                   >= [1] X1 + [1] X2 + [0]                                 
                                   =  [n____(X1, X2)]                                       
                                                                                            
                           [nil()] =  [5]                                                   
                                   >  [0]                                                   
                                   =  [n__nil()]                                            
                                                                                            
                    [and(tt(), X)] =  [1] X + [4]                                           
                                   >  [1] X + [0]                                           
                                   =  [activate(X)]                                         
                                                                                            
                     [activate(X)] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [X]                                                   
                                                                                            
              [activate(n__nil())] =  [0]                                                   
                                   ?  [5]                                                   
                                   =  [nil()]                                               
                                                                                            
         [activate(n____(X1, X2))] =  [1] X1 + [1] X2 + [0]                                 
                                   >= [1] X1 + [1] X2 + [0]                                 
                                   =  [__(activate(X1), activate(X2))]                      
                                                                                            
          [activate(n__isList(X))] =  [1] X + [4]                                           
                                   >  [1] X + [0]                                           
                                   =  [isList(X)]                                           
                                                                                            
        [activate(n__isNeList(X))] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [isNeList(X)]                                         
                                                                                            
           [activate(n__isPal(X))] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [isPal(X)]                                            
                                                                                            
                [activate(n__a())] =  [0]                                                   
                                   ?  [2]                                                   
                                   =  [a()]                                                 
                                                                                            
                [activate(n__e())] =  [0]                                                   
                                   ?  [5]                                                   
                                   =  [e()]                                                 
                                                                                            
                [activate(n__i())] =  [0]                                                   
                                   ?  [5]                                                   
                                   =  [i()]                                                 
                                                                                            
                [activate(n__o())] =  [0]                                                   
                                   ?  [2]                                                   
                                   =  [o()]                                                 
                                                                                            
                [activate(n__u())] =  [0]                                                   
                                   ?  [1]                                                   
                                   =  [u()]                                                 
                                                                                            
                       [isList(V)] =  [1] V + [0]                                           
                                   >= [1] V + [0]                                           
                                   =  [isNeList(activate(V))]                               
                                                                                            
                       [isList(X)] =  [1] X + [0]                                           
                                   ?  [1] X + [4]                                           
                                   =  [n__isList(X)]                                        
                                                                                            
                [isList(n__nil())] =  [0]                                                   
                                   ?  [4]                                                   
                                   =  [tt()]                                                
                                                                                            
           [isList(n____(V1, V2))] =  [1] V1 + [1] V2 + [0]                                 
                                   ?  [1] V1 + [1] V2 + [4]                                 
                                   =  [and(isList(activate(V1)), n__isList(activate(V2)))]  
                                                                                            
                     [isNeList(V)] =  [1] V + [0]                                           
                                   >= [1] V + [0]                                           
                                   =  [isQid(activate(V))]                                  
                                                                                            
                     [isNeList(X)] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [n__isNeList(X)]                                      
                                                                                            
         [isNeList(n____(V1, V2))] =  [1] V1 + [1] V2 + [0]                                 
                                   >= [1] V1 + [1] V2 + [0]                                 
                                   =  [and(isList(activate(V1)), n__isNeList(activate(V2)))]
                                                                                            
         [isNeList(n____(V1, V2))] =  [1] V1 + [1] V2 + [0]                                 
                                   ?  [1] V1 + [1] V2 + [4]                                 
                                   =  [and(isNeList(activate(V1)), n__isList(activate(V2)))]
                                                                                            
                   [isQid(n__a())] =  [0]                                                   
                                   ?  [4]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__e())] =  [0]                                                   
                                   ?  [4]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__i())] =  [0]                                                   
                                   ?  [4]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__o())] =  [0]                                                   
                                   ?  [4]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__u())] =  [0]                                                   
                                   ?  [4]                                                   
                                   =  [tt()]                                                
                                                                                            
                      [isNePal(V)] =  [1] V + [0]                                           
                                   >= [1] V + [0]                                           
                                   =  [isQid(activate(V))]                                  
                                                                                            
  [isNePal(n____(I, n____(P, I)))] =  [2] I + [1] P + [0]                                   
                                   >= [1] I + [1] P + [0]                                   
                                   =  [and(isQid(activate(I)), n__isPal(activate(P)))]      
                                                                                            
                        [isPal(V)] =  [1] V + [0]                                           
                                   >= [1] V + [0]                                           
                                   =  [isNePal(activate(V))]                                
                                                                                            
                        [isPal(X)] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [n__isPal(X)]                                         
                                                                                            
                 [isPal(n__nil())] =  [0]                                                   
                                   ?  [4]                                                   
                                   =  [tt()]                                                
                                                                                            
                             [a()] =  [2]                                                   
                                   >  [0]                                                   
                                   =  [n__a()]                                              
                                                                                            
                             [e()] =  [5]                                                   
                                   >  [0]                                                   
                                   =  [n__e()]                                              
                                                                                            
                             [i()] =  [5]                                                   
                                   >  [0]                                                   
                                   =  [n__i()]                                              
                                                                                            
                             [o()] =  [2]                                                   
                                   >  [0]                                                   
                                   =  [n__o()]                                              
                                                                                            
                             [u()] =  [1]                                                   
                                   >  [0]                                                   
                                   =  [n__u()]                                              
                                                                                            

Further, it can be verified that all rules not oriented are covered by the weightgap condition.

We are left with following problem, upon which TcT provides the
certificate YES(O(1),O(n^2)).

Strict Trs:
  { __(X1, X2) -> n____(X1, X2)
  , activate(X) -> X
  , activate(n__nil()) -> nil()
  , activate(n____(X1, X2)) -> __(activate(X1), activate(X2))
  , activate(n__isNeList(X)) -> isNeList(X)
  , activate(n__isPal(X)) -> isPal(X)
  , activate(n__a()) -> a()
  , activate(n__e()) -> e()
  , activate(n__i()) -> i()
  , activate(n__o()) -> o()
  , activate(n__u()) -> u()
  , isList(V) -> isNeList(activate(V))
  , isList(X) -> n__isList(X)
  , isList(n__nil()) -> tt()
  , isList(n____(V1, V2)) ->
    and(isList(activate(V1)), n__isList(activate(V2)))
  , isNeList(V) -> isQid(activate(V))
  , isNeList(X) -> n__isNeList(X)
  , isNeList(n____(V1, V2)) ->
    and(isList(activate(V1)), n__isNeList(activate(V2)))
  , isNeList(n____(V1, V2)) ->
    and(isNeList(activate(V1)), n__isList(activate(V2)))
  , isQid(n__a()) -> tt()
  , isQid(n__e()) -> tt()
  , isQid(n__i()) -> tt()
  , isQid(n__o()) -> tt()
  , isQid(n__u()) -> tt()
  , isNePal(V) -> isQid(activate(V))
  , isNePal(n____(I, n____(P, I))) ->
    and(isQid(activate(I)), n__isPal(activate(P)))
  , isPal(V) -> isNePal(activate(V))
  , isPal(X) -> n__isPal(X)
  , isPal(n__nil()) -> tt() }
Weak Trs:
  { nil() -> n__nil()
  , and(tt(), X) -> activate(X)
  , activate(n__isList(X)) -> isList(X)
  , a() -> n__a()
  , e() -> n__e()
  , i() -> n__i()
  , o() -> n__o()
  , u() -> n__u() }
Obligation:
  innermost runtime complexity
Answer:
  YES(O(1),O(n^2))

The weightgap principle applies (using the following nonconstant
growth matrix-interpretation)

The following argument positions are usable:
  Uargs(__) = {1, 2}, Uargs(and) = {1, 2}, Uargs(isList) = {1},
  Uargs(isNeList) = {1}, Uargs(n__isList) = {1}, Uargs(isQid) = {1},
  Uargs(n__isNeList) = {1}, Uargs(isNePal) = {1},
  Uargs(n__isPal) = {1}

TcT has computed the following matrix interpretation satisfying
not(EDA) and not(IDA(1)).

       [__](x1, x2) = [1] x1 + [1] x2 + [6]
                                           
              [nil] = [5]                  
                                           
      [and](x1, x2) = [1] x1 + [1] x2 + [0]
                                           
               [tt] = [4]                  
                                           
     [activate](x1) = [1] x1 + [1]         
                                           
       [isList](x1) = [1] x1 + [0]         
                                           
     [isNeList](x1) = [1] x1 + [0]         
                                           
           [n__nil] = [0]                  
                                           
    [n____](x1, x2) = [1] x1 + [1] x2 + [0]
                                           
    [n__isList](x1) = [1] x1 + [7]         
                                           
        [isQid](x1) = [1] x1 + [0]         
                                           
  [n__isNeList](x1) = [1] x1 + [7]         
                                           
      [isNePal](x1) = [1] x1 + [0]         
                                           
     [n__isPal](x1) = [1] x1 + [7]         
                                           
        [isPal](x1) = [1] x1 + [0]         
                                           
             [n__a] = [0]                  
                                           
             [n__e] = [0]                  
                                           
             [n__i] = [0]                  
                                           
             [n__o] = [0]                  
                                           
             [n__u] = [0]                  
                                           
                [a] = [5]                  
                                           
                [e] = [5]                  
                                           
                [i] = [5]                  
                                           
                [o] = [5]                  
                                           
                [u] = [5]                  

The order satisfies the following ordering constraints:

                      [__(X1, X2)] = [1] X1 + [1] X2 + [6]                                 
                                   > [1] X1 + [1] X2 + [0]                                 
                                   = [n____(X1, X2)]                                       
                                                                                           
                           [nil()] = [5]                                                   
                                   > [0]                                                   
                                   = [n__nil()]                                            
                                                                                           
                    [and(tt(), X)] = [1] X + [4]                                           
                                   > [1] X + [1]                                           
                                   = [activate(X)]                                         
                                                                                           
                     [activate(X)] = [1] X + [1]                                           
                                   > [1] X + [0]                                           
                                   = [X]                                                   
                                                                                           
              [activate(n__nil())] = [1]                                                   
                                   ? [5]                                                   
                                   = [nil()]                                               
                                                                                           
         [activate(n____(X1, X2))] = [1] X1 + [1] X2 + [1]                                 
                                   ? [1] X1 + [1] X2 + [8]                                 
                                   = [__(activate(X1), activate(X2))]                      
                                                                                           
          [activate(n__isList(X))] = [1] X + [8]                                           
                                   > [1] X + [0]                                           
                                   = [isList(X)]                                           
                                                                                           
        [activate(n__isNeList(X))] = [1] X + [8]                                           
                                   > [1] X + [0]                                           
                                   = [isNeList(X)]                                         
                                                                                           
           [activate(n__isPal(X))] = [1] X + [8]                                           
                                   > [1] X + [0]                                           
                                   = [isPal(X)]                                            
                                                                                           
                [activate(n__a())] = [1]                                                   
                                   ? [5]                                                   
                                   = [a()]                                                 
                                                                                           
                [activate(n__e())] = [1]                                                   
                                   ? [5]                                                   
                                   = [e()]                                                 
                                                                                           
                [activate(n__i())] = [1]                                                   
                                   ? [5]                                                   
                                   = [i()]                                                 
                                                                                           
                [activate(n__o())] = [1]                                                   
                                   ? [5]                                                   
                                   = [o()]                                                 
                                                                                           
                [activate(n__u())] = [1]                                                   
                                   ? [5]                                                   
                                   = [u()]                                                 
                                                                                           
                       [isList(V)] = [1] V + [0]                                           
                                   ? [1] V + [1]                                           
                                   = [isNeList(activate(V))]                               
                                                                                           
                       [isList(X)] = [1] X + [0]                                           
                                   ? [1] X + [7]                                           
                                   = [n__isList(X)]                                        
                                                                                           
                [isList(n__nil())] = [0]                                                   
                                   ? [4]                                                   
                                   = [tt()]                                                
                                                                                           
           [isList(n____(V1, V2))] = [1] V1 + [1] V2 + [0]                                 
                                   ? [1] V1 + [1] V2 + [9]                                 
                                   = [and(isList(activate(V1)), n__isList(activate(V2)))]  
                                                                                           
                     [isNeList(V)] = [1] V + [0]                                           
                                   ? [1] V + [1]                                           
                                   = [isQid(activate(V))]                                  
                                                                                           
                     [isNeList(X)] = [1] X + [0]                                           
                                   ? [1] X + [7]                                           
                                   = [n__isNeList(X)]                                      
                                                                                           
         [isNeList(n____(V1, V2))] = [1] V1 + [1] V2 + [0]                                 
                                   ? [1] V1 + [1] V2 + [9]                                 
                                   = [and(isList(activate(V1)), n__isNeList(activate(V2)))]
                                                                                           
         [isNeList(n____(V1, V2))] = [1] V1 + [1] V2 + [0]                                 
                                   ? [1] V1 + [1] V2 + [9]                                 
                                   = [and(isNeList(activate(V1)), n__isList(activate(V2)))]
                                                                                           
                   [isQid(n__a())] = [0]                                                   
                                   ? [4]                                                   
                                   = [tt()]                                                
                                                                                           
                   [isQid(n__e())] = [0]                                                   
                                   ? [4]                                                   
                                   = [tt()]                                                
                                                                                           
                   [isQid(n__i())] = [0]                                                   
                                   ? [4]                                                   
                                   = [tt()]                                                
                                                                                           
                   [isQid(n__o())] = [0]                                                   
                                   ? [4]                                                   
                                   = [tt()]                                                
                                                                                           
                   [isQid(n__u())] = [0]                                                   
                                   ? [4]                                                   
                                   = [tt()]                                                
                                                                                           
                      [isNePal(V)] = [1] V + [0]                                           
                                   ? [1] V + [1]                                           
                                   = [isQid(activate(V))]                                  
                                                                                           
  [isNePal(n____(I, n____(P, I)))] = [2] I + [1] P + [0]                                   
                                   ? [1] I + [1] P + [9]                                   
                                   = [and(isQid(activate(I)), n__isPal(activate(P)))]      
                                                                                           
                        [isPal(V)] = [1] V + [0]                                           
                                   ? [1] V + [1]                                           
                                   = [isNePal(activate(V))]                                
                                                                                           
                        [isPal(X)] = [1] X + [0]                                           
                                   ? [1] X + [7]                                           
                                   = [n__isPal(X)]                                         
                                                                                           
                 [isPal(n__nil())] = [0]                                                   
                                   ? [4]                                                   
                                   = [tt()]                                                
                                                                                           
                             [a()] = [5]                                                   
                                   > [0]                                                   
                                   = [n__a()]                                              
                                                                                           
                             [e()] = [5]                                                   
                                   > [0]                                                   
                                   = [n__e()]                                              
                                                                                           
                             [i()] = [5]                                                   
                                   > [0]                                                   
                                   = [n__i()]                                              
                                                                                           
                             [o()] = [5]                                                   
                                   > [0]                                                   
                                   = [n__o()]                                              
                                                                                           
                             [u()] = [5]                                                   
                                   > [0]                                                   
                                   = [n__u()]                                              
                                                                                           

Further, it can be verified that all rules not oriented are covered by the weightgap condition.

We are left with following problem, upon which TcT provides the
certificate YES(O(1),O(n^2)).

Strict Trs:
  { activate(n__nil()) -> nil()
  , activate(n____(X1, X2)) -> __(activate(X1), activate(X2))
  , activate(n__a()) -> a()
  , activate(n__e()) -> e()
  , activate(n__i()) -> i()
  , activate(n__o()) -> o()
  , activate(n__u()) -> u()
  , isList(V) -> isNeList(activate(V))
  , isList(X) -> n__isList(X)
  , isList(n__nil()) -> tt()
  , isList(n____(V1, V2)) ->
    and(isList(activate(V1)), n__isList(activate(V2)))
  , isNeList(V) -> isQid(activate(V))
  , isNeList(X) -> n__isNeList(X)
  , isNeList(n____(V1, V2)) ->
    and(isList(activate(V1)), n__isNeList(activate(V2)))
  , isNeList(n____(V1, V2)) ->
    and(isNeList(activate(V1)), n__isList(activate(V2)))
  , isQid(n__a()) -> tt()
  , isQid(n__e()) -> tt()
  , isQid(n__i()) -> tt()
  , isQid(n__o()) -> tt()
  , isQid(n__u()) -> tt()
  , isNePal(V) -> isQid(activate(V))
  , isNePal(n____(I, n____(P, I))) ->
    and(isQid(activate(I)), n__isPal(activate(P)))
  , isPal(V) -> isNePal(activate(V))
  , isPal(X) -> n__isPal(X)
  , isPal(n__nil()) -> tt() }
Weak Trs:
  { __(X1, X2) -> n____(X1, X2)
  , nil() -> n__nil()
  , and(tt(), X) -> activate(X)
  , activate(X) -> X
  , activate(n__isList(X)) -> isList(X)
  , activate(n__isNeList(X)) -> isNeList(X)
  , activate(n__isPal(X)) -> isPal(X)
  , a() -> n__a()
  , e() -> n__e()
  , i() -> n__i()
  , o() -> n__o()
  , u() -> n__u() }
Obligation:
  innermost runtime complexity
Answer:
  YES(O(1),O(n^2))

The weightgap principle applies (using the following nonconstant
growth matrix-interpretation)

The following argument positions are usable:
  Uargs(__) = {1, 2}, Uargs(and) = {1, 2}, Uargs(isList) = {1},
  Uargs(isNeList) = {1}, Uargs(n__isList) = {1}, Uargs(isQid) = {1},
  Uargs(n__isNeList) = {1}, Uargs(isNePal) = {1},
  Uargs(n__isPal) = {1}

TcT has computed the following matrix interpretation satisfying
not(EDA) and not(IDA(1)).

       [__](x1, x2) = [1] x1 + [1] x2 + [7]
                                           
              [nil] = [5]                  
                                           
      [and](x1, x2) = [1] x1 + [1] x2 + [0]
                                           
               [tt] = [4]                  
                                           
     [activate](x1) = [1] x1 + [1]         
                                           
       [isList](x1) = [1] x1 + [1]         
                                           
     [isNeList](x1) = [1] x1 + [4]         
                                           
           [n__nil] = [0]                  
                                           
    [n____](x1, x2) = [1] x1 + [1] x2 + [3]
                                           
    [n__isList](x1) = [1] x1 + [6]         
                                           
        [isQid](x1) = [1] x1 + [0]         
                                           
  [n__isNeList](x1) = [1] x1 + [6]         
                                           
      [isNePal](x1) = [1] x1 + [3]         
                                           
     [n__isPal](x1) = [1] x1 + [6]         
                                           
        [isPal](x1) = [1] x1 + [0]         
                                           
             [n__a] = [0]                  
                                           
             [n__e] = [0]                  
                                           
             [n__i] = [0]                  
                                           
             [n__o] = [0]                  
                                           
             [n__u] = [0]                  
                                           
                [a] = [5]                  
                                           
                [e] = [5]                  
                                           
                [i] = [5]                  
                                           
                [o] = [5]                  
                                           
                [u] = [5]                  

The order satisfies the following ordering constraints:

                      [__(X1, X2)] = [1] X1 + [1] X2 + [7]                                 
                                   > [1] X1 + [1] X2 + [3]                                 
                                   = [n____(X1, X2)]                                       
                                                                                           
                           [nil()] = [5]                                                   
                                   > [0]                                                   
                                   = [n__nil()]                                            
                                                                                           
                    [and(tt(), X)] = [1] X + [4]                                           
                                   > [1] X + [1]                                           
                                   = [activate(X)]                                         
                                                                                           
                     [activate(X)] = [1] X + [1]                                           
                                   > [1] X + [0]                                           
                                   = [X]                                                   
                                                                                           
              [activate(n__nil())] = [1]                                                   
                                   ? [5]                                                   
                                   = [nil()]                                               
                                                                                           
         [activate(n____(X1, X2))] = [1] X1 + [1] X2 + [4]                                 
                                   ? [1] X1 + [1] X2 + [9]                                 
                                   = [__(activate(X1), activate(X2))]                      
                                                                                           
          [activate(n__isList(X))] = [1] X + [7]                                           
                                   > [1] X + [1]                                           
                                   = [isList(X)]                                           
                                                                                           
        [activate(n__isNeList(X))] = [1] X + [7]                                           
                                   > [1] X + [4]                                           
                                   = [isNeList(X)]                                         
                                                                                           
           [activate(n__isPal(X))] = [1] X + [7]                                           
                                   > [1] X + [0]                                           
                                   = [isPal(X)]                                            
                                                                                           
                [activate(n__a())] = [1]                                                   
                                   ? [5]                                                   
                                   = [a()]                                                 
                                                                                           
                [activate(n__e())] = [1]                                                   
                                   ? [5]                                                   
                                   = [e()]                                                 
                                                                                           
                [activate(n__i())] = [1]                                                   
                                   ? [5]                                                   
                                   = [i()]                                                 
                                                                                           
                [activate(n__o())] = [1]                                                   
                                   ? [5]                                                   
                                   = [o()]                                                 
                                                                                           
                [activate(n__u())] = [1]                                                   
                                   ? [5]                                                   
                                   = [u()]                                                 
                                                                                           
                       [isList(V)] = [1] V + [1]                                           
                                   ? [1] V + [5]                                           
                                   = [isNeList(activate(V))]                               
                                                                                           
                       [isList(X)] = [1] X + [1]                                           
                                   ? [1] X + [6]                                           
                                   = [n__isList(X)]                                        
                                                                                           
                [isList(n__nil())] = [1]                                                   
                                   ? [4]                                                   
                                   = [tt()]                                                
                                                                                           
           [isList(n____(V1, V2))] = [1] V1 + [1] V2 + [4]                                 
                                   ? [1] V1 + [1] V2 + [9]                                 
                                   = [and(isList(activate(V1)), n__isList(activate(V2)))]  
                                                                                           
                     [isNeList(V)] = [1] V + [4]                                           
                                   > [1] V + [1]                                           
                                   = [isQid(activate(V))]                                  
                                                                                           
                     [isNeList(X)] = [1] X + [4]                                           
                                   ? [1] X + [6]                                           
                                   = [n__isNeList(X)]                                      
                                                                                           
         [isNeList(n____(V1, V2))] = [1] V1 + [1] V2 + [7]                                 
                                   ? [1] V1 + [1] V2 + [9]                                 
                                   = [and(isList(activate(V1)), n__isNeList(activate(V2)))]
                                                                                           
         [isNeList(n____(V1, V2))] = [1] V1 + [1] V2 + [7]                                 
                                   ? [1] V1 + [1] V2 + [12]                                
                                   = [and(isNeList(activate(V1)), n__isList(activate(V2)))]
                                                                                           
                   [isQid(n__a())] = [0]                                                   
                                   ? [4]                                                   
                                   = [tt()]                                                
                                                                                           
                   [isQid(n__e())] = [0]                                                   
                                   ? [4]                                                   
                                   = [tt()]                                                
                                                                                           
                   [isQid(n__i())] = [0]                                                   
                                   ? [4]                                                   
                                   = [tt()]                                                
                                                                                           
                   [isQid(n__o())] = [0]                                                   
                                   ? [4]                                                   
                                   = [tt()]                                                
                                                                                           
                   [isQid(n__u())] = [0]                                                   
                                   ? [4]                                                   
                                   = [tt()]                                                
                                                                                           
                      [isNePal(V)] = [1] V + [3]                                           
                                   > [1] V + [1]                                           
                                   = [isQid(activate(V))]                                  
                                                                                           
  [isNePal(n____(I, n____(P, I)))] = [2] I + [1] P + [9]                                   
                                   > [1] I + [1] P + [8]                                   
                                   = [and(isQid(activate(I)), n__isPal(activate(P)))]      
                                                                                           
                        [isPal(V)] = [1] V + [0]                                           
                                   ? [1] V + [4]                                           
                                   = [isNePal(activate(V))]                                
                                                                                           
                        [isPal(X)] = [1] X + [0]                                           
                                   ? [1] X + [6]                                           
                                   = [n__isPal(X)]                                         
                                                                                           
                 [isPal(n__nil())] = [0]                                                   
                                   ? [4]                                                   
                                   = [tt()]                                                
                                                                                           
                             [a()] = [5]                                                   
                                   > [0]                                                   
                                   = [n__a()]                                              
                                                                                           
                             [e()] = [5]                                                   
                                   > [0]                                                   
                                   = [n__e()]                                              
                                                                                           
                             [i()] = [5]                                                   
                                   > [0]                                                   
                                   = [n__i()]                                              
                                                                                           
                             [o()] = [5]                                                   
                                   > [0]                                                   
                                   = [n__o()]                                              
                                                                                           
                             [u()] = [5]                                                   
                                   > [0]                                                   
                                   = [n__u()]                                              
                                                                                           

Further, it can be verified that all rules not oriented are covered by the weightgap condition.

We are left with following problem, upon which TcT provides the
certificate YES(O(1),O(n^2)).

Strict Trs:
  { activate(n__nil()) -> nil()
  , activate(n____(X1, X2)) -> __(activate(X1), activate(X2))
  , activate(n__a()) -> a()
  , activate(n__e()) -> e()
  , activate(n__i()) -> i()
  , activate(n__o()) -> o()
  , activate(n__u()) -> u()
  , isList(V) -> isNeList(activate(V))
  , isList(X) -> n__isList(X)
  , isList(n__nil()) -> tt()
  , isList(n____(V1, V2)) ->
    and(isList(activate(V1)), n__isList(activate(V2)))
  , isNeList(X) -> n__isNeList(X)
  , isNeList(n____(V1, V2)) ->
    and(isList(activate(V1)), n__isNeList(activate(V2)))
  , isNeList(n____(V1, V2)) ->
    and(isNeList(activate(V1)), n__isList(activate(V2)))
  , isQid(n__a()) -> tt()
  , isQid(n__e()) -> tt()
  , isQid(n__i()) -> tt()
  , isQid(n__o()) -> tt()
  , isQid(n__u()) -> tt()
  , isPal(V) -> isNePal(activate(V))
  , isPal(X) -> n__isPal(X)
  , isPal(n__nil()) -> tt() }
Weak Trs:
  { __(X1, X2) -> n____(X1, X2)
  , nil() -> n__nil()
  , and(tt(), X) -> activate(X)
  , activate(X) -> X
  , activate(n__isList(X)) -> isList(X)
  , activate(n__isNeList(X)) -> isNeList(X)
  , activate(n__isPal(X)) -> isPal(X)
  , isNeList(V) -> isQid(activate(V))
  , isNePal(V) -> isQid(activate(V))
  , isNePal(n____(I, n____(P, I))) ->
    and(isQid(activate(I)), n__isPal(activate(P)))
  , a() -> n__a()
  , e() -> n__e()
  , i() -> n__i()
  , o() -> n__o()
  , u() -> n__u() }
Obligation:
  innermost runtime complexity
Answer:
  YES(O(1),O(n^2))

The weightgap principle applies (using the following nonconstant
growth matrix-interpretation)

The following argument positions are usable:
  Uargs(__) = {1, 2}, Uargs(and) = {1, 2}, Uargs(isList) = {1},
  Uargs(isNeList) = {1}, Uargs(n__isList) = {1}, Uargs(isQid) = {1},
  Uargs(n__isNeList) = {1}, Uargs(isNePal) = {1},
  Uargs(n__isPal) = {1}

TcT has computed the following matrix interpretation satisfying
not(EDA) and not(IDA(1)).

       [__](x1, x2) = [1] x1 + [1] x2 + [4]
                                           
              [nil] = [1]                  
                                           
      [and](x1, x2) = [1] x1 + [1] x2 + [0]
                                           
               [tt] = [4]                  
                                           
     [activate](x1) = [1] x1 + [0]         
                                           
       [isList](x1) = [1] x1 + [4]         
                                           
     [isNeList](x1) = [1] x1 + [1]         
                                           
           [n__nil] = [0]                  
                                           
    [n____](x1, x2) = [1] x1 + [1] x2 + [0]
                                           
    [n__isList](x1) = [1] x1 + [4]         
                                           
        [isQid](x1) = [1] x1 + [0]         
                                           
  [n__isNeList](x1) = [1] x1 + [4]         
                                           
      [isNePal](x1) = [1] x1 + [1]         
                                           
     [n__isPal](x1) = [1] x1 + [1]         
                                           
        [isPal](x1) = [1] x1 + [1]         
                                           
             [n__a] = [0]                  
                                           
             [n__e] = [0]                  
                                           
             [n__i] = [0]                  
                                           
             [n__o] = [0]                  
                                           
             [n__u] = [0]                  
                                           
                [a] = [1]                  
                                           
                [e] = [5]                  
                                           
                [i] = [5]                  
                                           
                [o] = [5]                  
                                           
                [u] = [5]                  

The order satisfies the following ordering constraints:

                      [__(X1, X2)] =  [1] X1 + [1] X2 + [4]                                 
                                   >  [1] X1 + [1] X2 + [0]                                 
                                   =  [n____(X1, X2)]                                       
                                                                                            
                           [nil()] =  [1]                                                   
                                   >  [0]                                                   
                                   =  [n__nil()]                                            
                                                                                            
                    [and(tt(), X)] =  [1] X + [4]                                           
                                   >  [1] X + [0]                                           
                                   =  [activate(X)]                                         
                                                                                            
                     [activate(X)] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [X]                                                   
                                                                                            
              [activate(n__nil())] =  [0]                                                   
                                   ?  [1]                                                   
                                   =  [nil()]                                               
                                                                                            
         [activate(n____(X1, X2))] =  [1] X1 + [1] X2 + [0]                                 
                                   ?  [1] X1 + [1] X2 + [4]                                 
                                   =  [__(activate(X1), activate(X2))]                      
                                                                                            
          [activate(n__isList(X))] =  [1] X + [4]                                           
                                   >= [1] X + [4]                                           
                                   =  [isList(X)]                                           
                                                                                            
        [activate(n__isNeList(X))] =  [1] X + [4]                                           
                                   >  [1] X + [1]                                           
                                   =  [isNeList(X)]                                         
                                                                                            
           [activate(n__isPal(X))] =  [1] X + [1]                                           
                                   >= [1] X + [1]                                           
                                   =  [isPal(X)]                                            
                                                                                            
                [activate(n__a())] =  [0]                                                   
                                   ?  [1]                                                   
                                   =  [a()]                                                 
                                                                                            
                [activate(n__e())] =  [0]                                                   
                                   ?  [5]                                                   
                                   =  [e()]                                                 
                                                                                            
                [activate(n__i())] =  [0]                                                   
                                   ?  [5]                                                   
                                   =  [i()]                                                 
                                                                                            
                [activate(n__o())] =  [0]                                                   
                                   ?  [5]                                                   
                                   =  [o()]                                                 
                                                                                            
                [activate(n__u())] =  [0]                                                   
                                   ?  [5]                                                   
                                   =  [u()]                                                 
                                                                                            
                       [isList(V)] =  [1] V + [4]                                           
                                   >  [1] V + [1]                                           
                                   =  [isNeList(activate(V))]                               
                                                                                            
                       [isList(X)] =  [1] X + [4]                                           
                                   >= [1] X + [4]                                           
                                   =  [n__isList(X)]                                        
                                                                                            
                [isList(n__nil())] =  [4]                                                   
                                   >= [4]                                                   
                                   =  [tt()]                                                
                                                                                            
           [isList(n____(V1, V2))] =  [1] V1 + [1] V2 + [4]                                 
                                   ?  [1] V1 + [1] V2 + [8]                                 
                                   =  [and(isList(activate(V1)), n__isList(activate(V2)))]  
                                                                                            
                     [isNeList(V)] =  [1] V + [1]                                           
                                   >  [1] V + [0]                                           
                                   =  [isQid(activate(V))]                                  
                                                                                            
                     [isNeList(X)] =  [1] X + [1]                                           
                                   ?  [1] X + [4]                                           
                                   =  [n__isNeList(X)]                                      
                                                                                            
         [isNeList(n____(V1, V2))] =  [1] V1 + [1] V2 + [1]                                 
                                   ?  [1] V1 + [1] V2 + [8]                                 
                                   =  [and(isList(activate(V1)), n__isNeList(activate(V2)))]
                                                                                            
         [isNeList(n____(V1, V2))] =  [1] V1 + [1] V2 + [1]                                 
                                   ?  [1] V1 + [1] V2 + [5]                                 
                                   =  [and(isNeList(activate(V1)), n__isList(activate(V2)))]
                                                                                            
                   [isQid(n__a())] =  [0]                                                   
                                   ?  [4]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__e())] =  [0]                                                   
                                   ?  [4]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__i())] =  [0]                                                   
                                   ?  [4]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__o())] =  [0]                                                   
                                   ?  [4]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__u())] =  [0]                                                   
                                   ?  [4]                                                   
                                   =  [tt()]                                                
                                                                                            
                      [isNePal(V)] =  [1] V + [1]                                           
                                   >  [1] V + [0]                                           
                                   =  [isQid(activate(V))]                                  
                                                                                            
  [isNePal(n____(I, n____(P, I)))] =  [2] I + [1] P + [1]                                   
                                   >= [1] I + [1] P + [1]                                   
                                   =  [and(isQid(activate(I)), n__isPal(activate(P)))]      
                                                                                            
                        [isPal(V)] =  [1] V + [1]                                           
                                   >= [1] V + [1]                                           
                                   =  [isNePal(activate(V))]                                
                                                                                            
                        [isPal(X)] =  [1] X + [1]                                           
                                   >= [1] X + [1]                                           
                                   =  [n__isPal(X)]                                         
                                                                                            
                 [isPal(n__nil())] =  [1]                                                   
                                   ?  [4]                                                   
                                   =  [tt()]                                                
                                                                                            
                             [a()] =  [1]                                                   
                                   >  [0]                                                   
                                   =  [n__a()]                                              
                                                                                            
                             [e()] =  [5]                                                   
                                   >  [0]                                                   
                                   =  [n__e()]                                              
                                                                                            
                             [i()] =  [5]                                                   
                                   >  [0]                                                   
                                   =  [n__i()]                                              
                                                                                            
                             [o()] =  [5]                                                   
                                   >  [0]                                                   
                                   =  [n__o()]                                              
                                                                                            
                             [u()] =  [5]                                                   
                                   >  [0]                                                   
                                   =  [n__u()]                                              
                                                                                            

Further, it can be verified that all rules not oriented are covered by the weightgap condition.

We are left with following problem, upon which TcT provides the
certificate YES(O(1),O(n^2)).

Strict Trs:
  { activate(n__nil()) -> nil()
  , activate(n____(X1, X2)) -> __(activate(X1), activate(X2))
  , activate(n__a()) -> a()
  , activate(n__e()) -> e()
  , activate(n__i()) -> i()
  , activate(n__o()) -> o()
  , activate(n__u()) -> u()
  , isList(X) -> n__isList(X)
  , isList(n__nil()) -> tt()
  , isList(n____(V1, V2)) ->
    and(isList(activate(V1)), n__isList(activate(V2)))
  , isNeList(X) -> n__isNeList(X)
  , isNeList(n____(V1, V2)) ->
    and(isList(activate(V1)), n__isNeList(activate(V2)))
  , isNeList(n____(V1, V2)) ->
    and(isNeList(activate(V1)), n__isList(activate(V2)))
  , isQid(n__a()) -> tt()
  , isQid(n__e()) -> tt()
  , isQid(n__i()) -> tt()
  , isQid(n__o()) -> tt()
  , isQid(n__u()) -> tt()
  , isPal(V) -> isNePal(activate(V))
  , isPal(X) -> n__isPal(X)
  , isPal(n__nil()) -> tt() }
Weak Trs:
  { __(X1, X2) -> n____(X1, X2)
  , nil() -> n__nil()
  , and(tt(), X) -> activate(X)
  , activate(X) -> X
  , activate(n__isList(X)) -> isList(X)
  , activate(n__isNeList(X)) -> isNeList(X)
  , activate(n__isPal(X)) -> isPal(X)
  , isList(V) -> isNeList(activate(V))
  , isNeList(V) -> isQid(activate(V))
  , isNePal(V) -> isQid(activate(V))
  , isNePal(n____(I, n____(P, I))) ->
    and(isQid(activate(I)), n__isPal(activate(P)))
  , a() -> n__a()
  , e() -> n__e()
  , i() -> n__i()
  , o() -> n__o()
  , u() -> n__u() }
Obligation:
  innermost runtime complexity
Answer:
  YES(O(1),O(n^2))

The weightgap principle applies (using the following nonconstant
growth matrix-interpretation)

The following argument positions are usable:
  Uargs(__) = {1, 2}, Uargs(and) = {1, 2}, Uargs(isList) = {1},
  Uargs(isNeList) = {1}, Uargs(n__isList) = {1}, Uargs(isQid) = {1},
  Uargs(n__isNeList) = {1}, Uargs(isNePal) = {1},
  Uargs(n__isPal) = {1}

TcT has computed the following matrix interpretation satisfying
not(EDA) and not(IDA(1)).

       [__](x1, x2) = [1] x1 + [1] x2 + [5]
                                           
              [nil] = [5]                  
                                           
      [and](x1, x2) = [1] x1 + [1] x2 + [0]
                                           
               [tt] = [4]                  
                                           
     [activate](x1) = [1] x1 + [0]         
                                           
       [isList](x1) = [1] x1 + [4]         
                                           
     [isNeList](x1) = [1] x1 + [1]         
                                           
           [n__nil] = [1]                  
                                           
    [n____](x1, x2) = [1] x1 + [1] x2 + [0]
                                           
    [n__isList](x1) = [1] x1 + [4]         
                                           
        [isQid](x1) = [1] x1 + [0]         
                                           
  [n__isNeList](x1) = [1] x1 + [1]         
                                           
      [isNePal](x1) = [1] x1 + [4]         
                                           
     [n__isPal](x1) = [1] x1 + [0]         
                                           
        [isPal](x1) = [1] x1 + [0]         
                                           
             [n__a] = [0]                  
                                           
             [n__e] = [0]                  
                                           
             [n__i] = [0]                  
                                           
             [n__o] = [0]                  
                                           
             [n__u] = [0]                  
                                           
                [a] = [5]                  
                                           
                [e] = [5]                  
                                           
                [i] = [5]                  
                                           
                [o] = [5]                  
                                           
                [u] = [5]                  

The order satisfies the following ordering constraints:

                      [__(X1, X2)] =  [1] X1 + [1] X2 + [5]                                 
                                   >  [1] X1 + [1] X2 + [0]                                 
                                   =  [n____(X1, X2)]                                       
                                                                                            
                           [nil()] =  [5]                                                   
                                   >  [1]                                                   
                                   =  [n__nil()]                                            
                                                                                            
                    [and(tt(), X)] =  [1] X + [4]                                           
                                   >  [1] X + [0]                                           
                                   =  [activate(X)]                                         
                                                                                            
                     [activate(X)] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [X]                                                   
                                                                                            
              [activate(n__nil())] =  [1]                                                   
                                   ?  [5]                                                   
                                   =  [nil()]                                               
                                                                                            
         [activate(n____(X1, X2))] =  [1] X1 + [1] X2 + [0]                                 
                                   ?  [1] X1 + [1] X2 + [5]                                 
                                   =  [__(activate(X1), activate(X2))]                      
                                                                                            
          [activate(n__isList(X))] =  [1] X + [4]                                           
                                   >= [1] X + [4]                                           
                                   =  [isList(X)]                                           
                                                                                            
        [activate(n__isNeList(X))] =  [1] X + [1]                                           
                                   >= [1] X + [1]                                           
                                   =  [isNeList(X)]                                         
                                                                                            
           [activate(n__isPal(X))] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [isPal(X)]                                            
                                                                                            
                [activate(n__a())] =  [0]                                                   
                                   ?  [5]                                                   
                                   =  [a()]                                                 
                                                                                            
                [activate(n__e())] =  [0]                                                   
                                   ?  [5]                                                   
                                   =  [e()]                                                 
                                                                                            
                [activate(n__i())] =  [0]                                                   
                                   ?  [5]                                                   
                                   =  [i()]                                                 
                                                                                            
                [activate(n__o())] =  [0]                                                   
                                   ?  [5]                                                   
                                   =  [o()]                                                 
                                                                                            
                [activate(n__u())] =  [0]                                                   
                                   ?  [5]                                                   
                                   =  [u()]                                                 
                                                                                            
                       [isList(V)] =  [1] V + [4]                                           
                                   >  [1] V + [1]                                           
                                   =  [isNeList(activate(V))]                               
                                                                                            
                       [isList(X)] =  [1] X + [4]                                           
                                   >= [1] X + [4]                                           
                                   =  [n__isList(X)]                                        
                                                                                            
                [isList(n__nil())] =  [5]                                                   
                                   >  [4]                                                   
                                   =  [tt()]                                                
                                                                                            
           [isList(n____(V1, V2))] =  [1] V1 + [1] V2 + [4]                                 
                                   ?  [1] V1 + [1] V2 + [8]                                 
                                   =  [and(isList(activate(V1)), n__isList(activate(V2)))]  
                                                                                            
                     [isNeList(V)] =  [1] V + [1]                                           
                                   >  [1] V + [0]                                           
                                   =  [isQid(activate(V))]                                  
                                                                                            
                     [isNeList(X)] =  [1] X + [1]                                           
                                   >= [1] X + [1]                                           
                                   =  [n__isNeList(X)]                                      
                                                                                            
         [isNeList(n____(V1, V2))] =  [1] V1 + [1] V2 + [1]                                 
                                   ?  [1] V1 + [1] V2 + [5]                                 
                                   =  [and(isList(activate(V1)), n__isNeList(activate(V2)))]
                                                                                            
         [isNeList(n____(V1, V2))] =  [1] V1 + [1] V2 + [1]                                 
                                   ?  [1] V1 + [1] V2 + [5]                                 
                                   =  [and(isNeList(activate(V1)), n__isList(activate(V2)))]
                                                                                            
                   [isQid(n__a())] =  [0]                                                   
                                   ?  [4]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__e())] =  [0]                                                   
                                   ?  [4]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__i())] =  [0]                                                   
                                   ?  [4]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__o())] =  [0]                                                   
                                   ?  [4]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__u())] =  [0]                                                   
                                   ?  [4]                                                   
                                   =  [tt()]                                                
                                                                                            
                      [isNePal(V)] =  [1] V + [4]                                           
                                   >  [1] V + [0]                                           
                                   =  [isQid(activate(V))]                                  
                                                                                            
  [isNePal(n____(I, n____(P, I)))] =  [2] I + [1] P + [4]                                   
                                   >  [1] I + [1] P + [0]                                   
                                   =  [and(isQid(activate(I)), n__isPal(activate(P)))]      
                                                                                            
                        [isPal(V)] =  [1] V + [0]                                           
                                   ?  [1] V + [4]                                           
                                   =  [isNePal(activate(V))]                                
                                                                                            
                        [isPal(X)] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [n__isPal(X)]                                         
                                                                                            
                 [isPal(n__nil())] =  [1]                                                   
                                   ?  [4]                                                   
                                   =  [tt()]                                                
                                                                                            
                             [a()] =  [5]                                                   
                                   >  [0]                                                   
                                   =  [n__a()]                                              
                                                                                            
                             [e()] =  [5]                                                   
                                   >  [0]                                                   
                                   =  [n__e()]                                              
                                                                                            
                             [i()] =  [5]                                                   
                                   >  [0]                                                   
                                   =  [n__i()]                                              
                                                                                            
                             [o()] =  [5]                                                   
                                   >  [0]                                                   
                                   =  [n__o()]                                              
                                                                                            
                             [u()] =  [5]                                                   
                                   >  [0]                                                   
                                   =  [n__u()]                                              
                                                                                            

Further, it can be verified that all rules not oriented are covered by the weightgap condition.

We are left with following problem, upon which TcT provides the
certificate YES(O(1),O(n^2)).

Strict Trs:
  { activate(n__nil()) -> nil()
  , activate(n____(X1, X2)) -> __(activate(X1), activate(X2))
  , activate(n__a()) -> a()
  , activate(n__e()) -> e()
  , activate(n__i()) -> i()
  , activate(n__o()) -> o()
  , activate(n__u()) -> u()
  , isList(X) -> n__isList(X)
  , isList(n____(V1, V2)) ->
    and(isList(activate(V1)), n__isList(activate(V2)))
  , isNeList(X) -> n__isNeList(X)
  , isNeList(n____(V1, V2)) ->
    and(isList(activate(V1)), n__isNeList(activate(V2)))
  , isNeList(n____(V1, V2)) ->
    and(isNeList(activate(V1)), n__isList(activate(V2)))
  , isQid(n__a()) -> tt()
  , isQid(n__e()) -> tt()
  , isQid(n__i()) -> tt()
  , isQid(n__o()) -> tt()
  , isQid(n__u()) -> tt()
  , isPal(V) -> isNePal(activate(V))
  , isPal(X) -> n__isPal(X)
  , isPal(n__nil()) -> tt() }
Weak Trs:
  { __(X1, X2) -> n____(X1, X2)
  , nil() -> n__nil()
  , and(tt(), X) -> activate(X)
  , activate(X) -> X
  , activate(n__isList(X)) -> isList(X)
  , activate(n__isNeList(X)) -> isNeList(X)
  , activate(n__isPal(X)) -> isPal(X)
  , isList(V) -> isNeList(activate(V))
  , isList(n__nil()) -> tt()
  , isNeList(V) -> isQid(activate(V))
  , isNePal(V) -> isQid(activate(V))
  , isNePal(n____(I, n____(P, I))) ->
    and(isQid(activate(I)), n__isPal(activate(P)))
  , a() -> n__a()
  , e() -> n__e()
  , i() -> n__i()
  , o() -> n__o()
  , u() -> n__u() }
Obligation:
  innermost runtime complexity
Answer:
  YES(O(1),O(n^2))

The weightgap principle applies (using the following nonconstant
growth matrix-interpretation)

The following argument positions are usable:
  Uargs(__) = {1, 2}, Uargs(and) = {1, 2}, Uargs(isList) = {1},
  Uargs(isNeList) = {1}, Uargs(n__isList) = {1}, Uargs(isQid) = {1},
  Uargs(n__isNeList) = {1}, Uargs(isNePal) = {1},
  Uargs(n__isPal) = {1}

TcT has computed the following matrix interpretation satisfying
not(EDA) and not(IDA(1)).

       [__](x1, x2) = [1] x1 + [1] x2 + [4]
                                           
              [nil] = [1]                  
                                           
      [and](x1, x2) = [1] x1 + [1] x2 + [0]
                                           
               [tt] = [0]                  
                                           
     [activate](x1) = [1] x1 + [0]         
                                           
       [isList](x1) = [1] x1 + [4]         
                                           
     [isNeList](x1) = [1] x1 + [0]         
                                           
           [n__nil] = [0]                  
                                           
    [n____](x1, x2) = [1] x1 + [1] x2 + [0]
                                           
    [n__isList](x1) = [1] x1 + [4]         
                                           
        [isQid](x1) = [1] x1 + [0]         
                                           
  [n__isNeList](x1) = [1] x1 + [0]         
                                           
      [isNePal](x1) = [1] x1 + [1]         
                                           
     [n__isPal](x1) = [1] x1 + [0]         
                                           
        [isPal](x1) = [1] x1 + [0]         
                                           
             [n__a] = [1]                  
                                           
             [n__e] = [0]                  
                                           
             [n__i] = [1]                  
                                           
             [n__o] = [1]                  
                                           
             [n__u] = [0]                  
                                           
                [a] = [4]                  
                                           
                [e] = [1]                  
                                           
                [i] = [4]                  
                                           
                [o] = [1]                  
                                           
                [u] = [5]                  

The order satisfies the following ordering constraints:

                      [__(X1, X2)] =  [1] X1 + [1] X2 + [4]                                 
                                   >  [1] X1 + [1] X2 + [0]                                 
                                   =  [n____(X1, X2)]                                       
                                                                                            
                           [nil()] =  [1]                                                   
                                   >  [0]                                                   
                                   =  [n__nil()]                                            
                                                                                            
                    [and(tt(), X)] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [activate(X)]                                         
                                                                                            
                     [activate(X)] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [X]                                                   
                                                                                            
              [activate(n__nil())] =  [0]                                                   
                                   ?  [1]                                                   
                                   =  [nil()]                                               
                                                                                            
         [activate(n____(X1, X2))] =  [1] X1 + [1] X2 + [0]                                 
                                   ?  [1] X1 + [1] X2 + [4]                                 
                                   =  [__(activate(X1), activate(X2))]                      
                                                                                            
          [activate(n__isList(X))] =  [1] X + [4]                                           
                                   >= [1] X + [4]                                           
                                   =  [isList(X)]                                           
                                                                                            
        [activate(n__isNeList(X))] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [isNeList(X)]                                         
                                                                                            
           [activate(n__isPal(X))] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [isPal(X)]                                            
                                                                                            
                [activate(n__a())] =  [1]                                                   
                                   ?  [4]                                                   
                                   =  [a()]                                                 
                                                                                            
                [activate(n__e())] =  [0]                                                   
                                   ?  [1]                                                   
                                   =  [e()]                                                 
                                                                                            
                [activate(n__i())] =  [1]                                                   
                                   ?  [4]                                                   
                                   =  [i()]                                                 
                                                                                            
                [activate(n__o())] =  [1]                                                   
                                   >= [1]                                                   
                                   =  [o()]                                                 
                                                                                            
                [activate(n__u())] =  [0]                                                   
                                   ?  [5]                                                   
                                   =  [u()]                                                 
                                                                                            
                       [isList(V)] =  [1] V + [4]                                           
                                   >  [1] V + [0]                                           
                                   =  [isNeList(activate(V))]                               
                                                                                            
                       [isList(X)] =  [1] X + [4]                                           
                                   >= [1] X + [4]                                           
                                   =  [n__isList(X)]                                        
                                                                                            
                [isList(n__nil())] =  [4]                                                   
                                   >  [0]                                                   
                                   =  [tt()]                                                
                                                                                            
           [isList(n____(V1, V2))] =  [1] V1 + [1] V2 + [4]                                 
                                   ?  [1] V1 + [1] V2 + [8]                                 
                                   =  [and(isList(activate(V1)), n__isList(activate(V2)))]  
                                                                                            
                     [isNeList(V)] =  [1] V + [0]                                           
                                   >= [1] V + [0]                                           
                                   =  [isQid(activate(V))]                                  
                                                                                            
                     [isNeList(X)] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [n__isNeList(X)]                                      
                                                                                            
         [isNeList(n____(V1, V2))] =  [1] V1 + [1] V2 + [0]                                 
                                   ?  [1] V1 + [1] V2 + [4]                                 
                                   =  [and(isList(activate(V1)), n__isNeList(activate(V2)))]
                                                                                            
         [isNeList(n____(V1, V2))] =  [1] V1 + [1] V2 + [0]                                 
                                   ?  [1] V1 + [1] V2 + [4]                                 
                                   =  [and(isNeList(activate(V1)), n__isList(activate(V2)))]
                                                                                            
                   [isQid(n__a())] =  [1]                                                   
                                   >  [0]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__e())] =  [0]                                                   
                                   >= [0]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__i())] =  [1]                                                   
                                   >  [0]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__o())] =  [1]                                                   
                                   >  [0]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__u())] =  [0]                                                   
                                   >= [0]                                                   
                                   =  [tt()]                                                
                                                                                            
                      [isNePal(V)] =  [1] V + [1]                                           
                                   >  [1] V + [0]                                           
                                   =  [isQid(activate(V))]                                  
                                                                                            
  [isNePal(n____(I, n____(P, I)))] =  [2] I + [1] P + [1]                                   
                                   >  [1] I + [1] P + [0]                                   
                                   =  [and(isQid(activate(I)), n__isPal(activate(P)))]      
                                                                                            
                        [isPal(V)] =  [1] V + [0]                                           
                                   ?  [1] V + [1]                                           
                                   =  [isNePal(activate(V))]                                
                                                                                            
                        [isPal(X)] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [n__isPal(X)]                                         
                                                                                            
                 [isPal(n__nil())] =  [0]                                                   
                                   >= [0]                                                   
                                   =  [tt()]                                                
                                                                                            
                             [a()] =  [4]                                                   
                                   >  [1]                                                   
                                   =  [n__a()]                                              
                                                                                            
                             [e()] =  [1]                                                   
                                   >  [0]                                                   
                                   =  [n__e()]                                              
                                                                                            
                             [i()] =  [4]                                                   
                                   >  [1]                                                   
                                   =  [n__i()]                                              
                                                                                            
                             [o()] =  [1]                                                   
                                   >= [1]                                                   
                                   =  [n__o()]                                              
                                                                                            
                             [u()] =  [5]                                                   
                                   >  [0]                                                   
                                   =  [n__u()]                                              
                                                                                            

Further, it can be verified that all rules not oriented are covered by the weightgap condition.

We are left with following problem, upon which TcT provides the
certificate YES(O(1),O(n^2)).

Strict Trs:
  { activate(n__nil()) -> nil()
  , activate(n____(X1, X2)) -> __(activate(X1), activate(X2))
  , activate(n__a()) -> a()
  , activate(n__e()) -> e()
  , activate(n__i()) -> i()
  , activate(n__o()) -> o()
  , activate(n__u()) -> u()
  , isList(X) -> n__isList(X)
  , isList(n____(V1, V2)) ->
    and(isList(activate(V1)), n__isList(activate(V2)))
  , isNeList(X) -> n__isNeList(X)
  , isNeList(n____(V1, V2)) ->
    and(isList(activate(V1)), n__isNeList(activate(V2)))
  , isNeList(n____(V1, V2)) ->
    and(isNeList(activate(V1)), n__isList(activate(V2)))
  , isQid(n__e()) -> tt()
  , isQid(n__u()) -> tt()
  , isPal(V) -> isNePal(activate(V))
  , isPal(X) -> n__isPal(X)
  , isPal(n__nil()) -> tt() }
Weak Trs:
  { __(X1, X2) -> n____(X1, X2)
  , nil() -> n__nil()
  , and(tt(), X) -> activate(X)
  , activate(X) -> X
  , activate(n__isList(X)) -> isList(X)
  , activate(n__isNeList(X)) -> isNeList(X)
  , activate(n__isPal(X)) -> isPal(X)
  , isList(V) -> isNeList(activate(V))
  , isList(n__nil()) -> tt()
  , isNeList(V) -> isQid(activate(V))
  , isQid(n__a()) -> tt()
  , isQid(n__i()) -> tt()
  , isQid(n__o()) -> tt()
  , isNePal(V) -> isQid(activate(V))
  , isNePal(n____(I, n____(P, I))) ->
    and(isQid(activate(I)), n__isPal(activate(P)))
  , a() -> n__a()
  , e() -> n__e()
  , i() -> n__i()
  , o() -> n__o()
  , u() -> n__u() }
Obligation:
  innermost runtime complexity
Answer:
  YES(O(1),O(n^2))

The weightgap principle applies (using the following nonconstant
growth matrix-interpretation)

The following argument positions are usable:
  Uargs(__) = {1, 2}, Uargs(and) = {1, 2}, Uargs(isList) = {1},
  Uargs(isNeList) = {1}, Uargs(n__isList) = {1}, Uargs(isQid) = {1},
  Uargs(n__isNeList) = {1}, Uargs(isNePal) = {1},
  Uargs(n__isPal) = {1}

TcT has computed the following matrix interpretation satisfying
not(EDA) and not(IDA(1)).

       [__](x1, x2) = [1] x1 + [1] x2 + [4]
                                           
              [nil] = [1]                  
                                           
      [and](x1, x2) = [1] x1 + [1] x2 + [0]
                                           
               [tt] = [0]                  
                                           
     [activate](x1) = [1] x1 + [0]         
                                           
       [isList](x1) = [1] x1 + [4]         
                                           
     [isNeList](x1) = [1] x1 + [1]         
                                           
           [n__nil] = [0]                  
                                           
    [n____](x1, x2) = [1] x1 + [1] x2 + [0]
                                           
    [n__isList](x1) = [1] x1 + [4]         
                                           
        [isQid](x1) = [1] x1 + [0]         
                                           
  [n__isNeList](x1) = [1] x1 + [4]         
                                           
      [isNePal](x1) = [1] x1 + [1]         
                                           
     [n__isPal](x1) = [1] x1 + [1]         
                                           
        [isPal](x1) = [1] x1 + [1]         
                                           
             [n__a] = [1]                  
                                           
             [n__e] = [1]                  
                                           
             [n__i] = [1]                  
                                           
             [n__o] = [1]                  
                                           
             [n__u] = [0]                  
                                           
                [a] = [2]                  
                                           
                [e] = [1]                  
                                           
                [i] = [2]                  
                                           
                [o] = [5]                  
                                           
                [u] = [5]                  

The order satisfies the following ordering constraints:

                      [__(X1, X2)] =  [1] X1 + [1] X2 + [4]                                 
                                   >  [1] X1 + [1] X2 + [0]                                 
                                   =  [n____(X1, X2)]                                       
                                                                                            
                           [nil()] =  [1]                                                   
                                   >  [0]                                                   
                                   =  [n__nil()]                                            
                                                                                            
                    [and(tt(), X)] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [activate(X)]                                         
                                                                                            
                     [activate(X)] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [X]                                                   
                                                                                            
              [activate(n__nil())] =  [0]                                                   
                                   ?  [1]                                                   
                                   =  [nil()]                                               
                                                                                            
         [activate(n____(X1, X2))] =  [1] X1 + [1] X2 + [0]                                 
                                   ?  [1] X1 + [1] X2 + [4]                                 
                                   =  [__(activate(X1), activate(X2))]                      
                                                                                            
          [activate(n__isList(X))] =  [1] X + [4]                                           
                                   >= [1] X + [4]                                           
                                   =  [isList(X)]                                           
                                                                                            
        [activate(n__isNeList(X))] =  [1] X + [4]                                           
                                   >  [1] X + [1]                                           
                                   =  [isNeList(X)]                                         
                                                                                            
           [activate(n__isPal(X))] =  [1] X + [1]                                           
                                   >= [1] X + [1]                                           
                                   =  [isPal(X)]                                            
                                                                                            
                [activate(n__a())] =  [1]                                                   
                                   ?  [2]                                                   
                                   =  [a()]                                                 
                                                                                            
                [activate(n__e())] =  [1]                                                   
                                   >= [1]                                                   
                                   =  [e()]                                                 
                                                                                            
                [activate(n__i())] =  [1]                                                   
                                   ?  [2]                                                   
                                   =  [i()]                                                 
                                                                                            
                [activate(n__o())] =  [1]                                                   
                                   ?  [5]                                                   
                                   =  [o()]                                                 
                                                                                            
                [activate(n__u())] =  [0]                                                   
                                   ?  [5]                                                   
                                   =  [u()]                                                 
                                                                                            
                       [isList(V)] =  [1] V + [4]                                           
                                   >  [1] V + [1]                                           
                                   =  [isNeList(activate(V))]                               
                                                                                            
                       [isList(X)] =  [1] X + [4]                                           
                                   >= [1] X + [4]                                           
                                   =  [n__isList(X)]                                        
                                                                                            
                [isList(n__nil())] =  [4]                                                   
                                   >  [0]                                                   
                                   =  [tt()]                                                
                                                                                            
           [isList(n____(V1, V2))] =  [1] V1 + [1] V2 + [4]                                 
                                   ?  [1] V1 + [1] V2 + [8]                                 
                                   =  [and(isList(activate(V1)), n__isList(activate(V2)))]  
                                                                                            
                     [isNeList(V)] =  [1] V + [1]                                           
                                   >  [1] V + [0]                                           
                                   =  [isQid(activate(V))]                                  
                                                                                            
                     [isNeList(X)] =  [1] X + [1]                                           
                                   ?  [1] X + [4]                                           
                                   =  [n__isNeList(X)]                                      
                                                                                            
         [isNeList(n____(V1, V2))] =  [1] V1 + [1] V2 + [1]                                 
                                   ?  [1] V1 + [1] V2 + [8]                                 
                                   =  [and(isList(activate(V1)), n__isNeList(activate(V2)))]
                                                                                            
         [isNeList(n____(V1, V2))] =  [1] V1 + [1] V2 + [1]                                 
                                   ?  [1] V1 + [1] V2 + [5]                                 
                                   =  [and(isNeList(activate(V1)), n__isList(activate(V2)))]
                                                                                            
                   [isQid(n__a())] =  [1]                                                   
                                   >  [0]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__e())] =  [1]                                                   
                                   >  [0]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__i())] =  [1]                                                   
                                   >  [0]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__o())] =  [1]                                                   
                                   >  [0]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__u())] =  [0]                                                   
                                   >= [0]                                                   
                                   =  [tt()]                                                
                                                                                            
                      [isNePal(V)] =  [1] V + [1]                                           
                                   >  [1] V + [0]                                           
                                   =  [isQid(activate(V))]                                  
                                                                                            
  [isNePal(n____(I, n____(P, I)))] =  [2] I + [1] P + [1]                                   
                                   >= [1] I + [1] P + [1]                                   
                                   =  [and(isQid(activate(I)), n__isPal(activate(P)))]      
                                                                                            
                        [isPal(V)] =  [1] V + [1]                                           
                                   >= [1] V + [1]                                           
                                   =  [isNePal(activate(V))]                                
                                                                                            
                        [isPal(X)] =  [1] X + [1]                                           
                                   >= [1] X + [1]                                           
                                   =  [n__isPal(X)]                                         
                                                                                            
                 [isPal(n__nil())] =  [1]                                                   
                                   >  [0]                                                   
                                   =  [tt()]                                                
                                                                                            
                             [a()] =  [2]                                                   
                                   >  [1]                                                   
                                   =  [n__a()]                                              
                                                                                            
                             [e()] =  [1]                                                   
                                   >= [1]                                                   
                                   =  [n__e()]                                              
                                                                                            
                             [i()] =  [2]                                                   
                                   >  [1]                                                   
                                   =  [n__i()]                                              
                                                                                            
                             [o()] =  [5]                                                   
                                   >  [1]                                                   
                                   =  [n__o()]                                              
                                                                                            
                             [u()] =  [5]                                                   
                                   >  [0]                                                   
                                   =  [n__u()]                                              
                                                                                            

Further, it can be verified that all rules not oriented are covered by the weightgap condition.

We are left with following problem, upon which TcT provides the
certificate YES(O(1),O(n^2)).

Strict Trs:
  { activate(n__nil()) -> nil()
  , activate(n____(X1, X2)) -> __(activate(X1), activate(X2))
  , activate(n__a()) -> a()
  , activate(n__e()) -> e()
  , activate(n__i()) -> i()
  , activate(n__o()) -> o()
  , activate(n__u()) -> u()
  , isList(X) -> n__isList(X)
  , isList(n____(V1, V2)) ->
    and(isList(activate(V1)), n__isList(activate(V2)))
  , isNeList(X) -> n__isNeList(X)
  , isNeList(n____(V1, V2)) ->
    and(isList(activate(V1)), n__isNeList(activate(V2)))
  , isNeList(n____(V1, V2)) ->
    and(isNeList(activate(V1)), n__isList(activate(V2)))
  , isQid(n__u()) -> tt()
  , isPal(V) -> isNePal(activate(V))
  , isPal(X) -> n__isPal(X) }
Weak Trs:
  { __(X1, X2) -> n____(X1, X2)
  , nil() -> n__nil()
  , and(tt(), X) -> activate(X)
  , activate(X) -> X
  , activate(n__isList(X)) -> isList(X)
  , activate(n__isNeList(X)) -> isNeList(X)
  , activate(n__isPal(X)) -> isPal(X)
  , isList(V) -> isNeList(activate(V))
  , isList(n__nil()) -> tt()
  , isNeList(V) -> isQid(activate(V))
  , isQid(n__a()) -> tt()
  , isQid(n__e()) -> tt()
  , isQid(n__i()) -> tt()
  , isQid(n__o()) -> tt()
  , isNePal(V) -> isQid(activate(V))
  , isNePal(n____(I, n____(P, I))) ->
    and(isQid(activate(I)), n__isPal(activate(P)))
  , isPal(n__nil()) -> tt()
  , a() -> n__a()
  , e() -> n__e()
  , i() -> n__i()
  , o() -> n__o()
  , u() -> n__u() }
Obligation:
  innermost runtime complexity
Answer:
  YES(O(1),O(n^2))

The weightgap principle applies (using the following nonconstant
growth matrix-interpretation)

The following argument positions are usable:
  Uargs(__) = {1, 2}, Uargs(and) = {1, 2}, Uargs(isList) = {1},
  Uargs(isNeList) = {1}, Uargs(n__isList) = {1}, Uargs(isQid) = {1},
  Uargs(n__isNeList) = {1}, Uargs(isNePal) = {1},
  Uargs(n__isPal) = {1}

TcT has computed the following matrix interpretation satisfying
not(EDA) and not(IDA(1)).

       [__](x1, x2) = [1] x1 + [1] x2 + [4]
                                           
              [nil] = [2]                  
                                           
      [and](x1, x2) = [1] x1 + [1] x2 + [0]
                                           
               [tt] = [0]                  
                                           
     [activate](x1) = [1] x1 + [0]         
                                           
       [isList](x1) = [1] x1 + [0]         
                                           
     [isNeList](x1) = [1] x1 + [0]         
                                           
           [n__nil] = [1]                  
                                           
    [n____](x1, x2) = [1] x1 + [1] x2 + [0]
                                           
    [n__isList](x1) = [1] x1 + [0]         
                                           
        [isQid](x1) = [1] x1 + [0]         
                                           
  [n__isNeList](x1) = [1] x1 + [0]         
                                           
      [isNePal](x1) = [1] x1 + [4]         
                                           
     [n__isPal](x1) = [1] x1 + [0]         
                                           
        [isPal](x1) = [1] x1 + [0]         
                                           
             [n__a] = [1]                  
                                           
             [n__e] = [1]                  
                                           
             [n__i] = [1]                  
                                           
             [n__o] = [1]                  
                                           
             [n__u] = [1]                  
                                           
                [a] = [2]                  
                                           
                [e] = [4]                  
                                           
                [i] = [2]                  
                                           
                [o] = [5]                  
                                           
                [u] = [5]                  

The order satisfies the following ordering constraints:

                      [__(X1, X2)] =  [1] X1 + [1] X2 + [4]                                 
                                   >  [1] X1 + [1] X2 + [0]                                 
                                   =  [n____(X1, X2)]                                       
                                                                                            
                           [nil()] =  [2]                                                   
                                   >  [1]                                                   
                                   =  [n__nil()]                                            
                                                                                            
                    [and(tt(), X)] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [activate(X)]                                         
                                                                                            
                     [activate(X)] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [X]                                                   
                                                                                            
              [activate(n__nil())] =  [1]                                                   
                                   ?  [2]                                                   
                                   =  [nil()]                                               
                                                                                            
         [activate(n____(X1, X2))] =  [1] X1 + [1] X2 + [0]                                 
                                   ?  [1] X1 + [1] X2 + [4]                                 
                                   =  [__(activate(X1), activate(X2))]                      
                                                                                            
          [activate(n__isList(X))] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [isList(X)]                                           
                                                                                            
        [activate(n__isNeList(X))] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [isNeList(X)]                                         
                                                                                            
           [activate(n__isPal(X))] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [isPal(X)]                                            
                                                                                            
                [activate(n__a())] =  [1]                                                   
                                   ?  [2]                                                   
                                   =  [a()]                                                 
                                                                                            
                [activate(n__e())] =  [1]                                                   
                                   ?  [4]                                                   
                                   =  [e()]                                                 
                                                                                            
                [activate(n__i())] =  [1]                                                   
                                   ?  [2]                                                   
                                   =  [i()]                                                 
                                                                                            
                [activate(n__o())] =  [1]                                                   
                                   ?  [5]                                                   
                                   =  [o()]                                                 
                                                                                            
                [activate(n__u())] =  [1]                                                   
                                   ?  [5]                                                   
                                   =  [u()]                                                 
                                                                                            
                       [isList(V)] =  [1] V + [0]                                           
                                   >= [1] V + [0]                                           
                                   =  [isNeList(activate(V))]                               
                                                                                            
                       [isList(X)] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [n__isList(X)]                                        
                                                                                            
                [isList(n__nil())] =  [1]                                                   
                                   >  [0]                                                   
                                   =  [tt()]                                                
                                                                                            
           [isList(n____(V1, V2))] =  [1] V1 + [1] V2 + [0]                                 
                                   >= [1] V1 + [1] V2 + [0]                                 
                                   =  [and(isList(activate(V1)), n__isList(activate(V2)))]  
                                                                                            
                     [isNeList(V)] =  [1] V + [0]                                           
                                   >= [1] V + [0]                                           
                                   =  [isQid(activate(V))]                                  
                                                                                            
                     [isNeList(X)] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [n__isNeList(X)]                                      
                                                                                            
         [isNeList(n____(V1, V2))] =  [1] V1 + [1] V2 + [0]                                 
                                   >= [1] V1 + [1] V2 + [0]                                 
                                   =  [and(isList(activate(V1)), n__isNeList(activate(V2)))]
                                                                                            
         [isNeList(n____(V1, V2))] =  [1] V1 + [1] V2 + [0]                                 
                                   >= [1] V1 + [1] V2 + [0]                                 
                                   =  [and(isNeList(activate(V1)), n__isList(activate(V2)))]
                                                                                            
                   [isQid(n__a())] =  [1]                                                   
                                   >  [0]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__e())] =  [1]                                                   
                                   >  [0]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__i())] =  [1]                                                   
                                   >  [0]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__o())] =  [1]                                                   
                                   >  [0]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__u())] =  [1]                                                   
                                   >  [0]                                                   
                                   =  [tt()]                                                
                                                                                            
                      [isNePal(V)] =  [1] V + [4]                                           
                                   >  [1] V + [0]                                           
                                   =  [isQid(activate(V))]                                  
                                                                                            
  [isNePal(n____(I, n____(P, I)))] =  [2] I + [1] P + [4]                                   
                                   >  [1] I + [1] P + [0]                                   
                                   =  [and(isQid(activate(I)), n__isPal(activate(P)))]      
                                                                                            
                        [isPal(V)] =  [1] V + [0]                                           
                                   ?  [1] V + [4]                                           
                                   =  [isNePal(activate(V))]                                
                                                                                            
                        [isPal(X)] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [n__isPal(X)]                                         
                                                                                            
                 [isPal(n__nil())] =  [1]                                                   
                                   >  [0]                                                   
                                   =  [tt()]                                                
                                                                                            
                             [a()] =  [2]                                                   
                                   >  [1]                                                   
                                   =  [n__a()]                                              
                                                                                            
                             [e()] =  [4]                                                   
                                   >  [1]                                                   
                                   =  [n__e()]                                              
                                                                                            
                             [i()] =  [2]                                                   
                                   >  [1]                                                   
                                   =  [n__i()]                                              
                                                                                            
                             [o()] =  [5]                                                   
                                   >  [1]                                                   
                                   =  [n__o()]                                              
                                                                                            
                             [u()] =  [5]                                                   
                                   >  [1]                                                   
                                   =  [n__u()]                                              
                                                                                            

Further, it can be verified that all rules not oriented are covered by the weightgap condition.

We are left with following problem, upon which TcT provides the
certificate YES(O(1),O(n^2)).

Strict Trs:
  { activate(n__nil()) -> nil()
  , activate(n____(X1, X2)) -> __(activate(X1), activate(X2))
  , activate(n__a()) -> a()
  , activate(n__e()) -> e()
  , activate(n__i()) -> i()
  , activate(n__o()) -> o()
  , activate(n__u()) -> u()
  , isList(X) -> n__isList(X)
  , isList(n____(V1, V2)) ->
    and(isList(activate(V1)), n__isList(activate(V2)))
  , isNeList(X) -> n__isNeList(X)
  , isNeList(n____(V1, V2)) ->
    and(isList(activate(V1)), n__isNeList(activate(V2)))
  , isNeList(n____(V1, V2)) ->
    and(isNeList(activate(V1)), n__isList(activate(V2)))
  , isPal(V) -> isNePal(activate(V))
  , isPal(X) -> n__isPal(X) }
Weak Trs:
  { __(X1, X2) -> n____(X1, X2)
  , nil() -> n__nil()
  , and(tt(), X) -> activate(X)
  , activate(X) -> X
  , activate(n__isList(X)) -> isList(X)
  , activate(n__isNeList(X)) -> isNeList(X)
  , activate(n__isPal(X)) -> isPal(X)
  , isList(V) -> isNeList(activate(V))
  , isList(n__nil()) -> tt()
  , isNeList(V) -> isQid(activate(V))
  , isQid(n__a()) -> tt()
  , isQid(n__e()) -> tt()
  , isQid(n__i()) -> tt()
  , isQid(n__o()) -> tt()
  , isQid(n__u()) -> tt()
  , isNePal(V) -> isQid(activate(V))
  , isNePal(n____(I, n____(P, I))) ->
    and(isQid(activate(I)), n__isPal(activate(P)))
  , isPal(n__nil()) -> tt()
  , a() -> n__a()
  , e() -> n__e()
  , i() -> n__i()
  , o() -> n__o()
  , u() -> n__u() }
Obligation:
  innermost runtime complexity
Answer:
  YES(O(1),O(n^2))

The weightgap principle applies (using the following nonconstant
growth matrix-interpretation)

The following argument positions are usable:
  Uargs(__) = {1, 2}, Uargs(and) = {1, 2}, Uargs(isList) = {1},
  Uargs(isNeList) = {1}, Uargs(n__isList) = {1}, Uargs(isQid) = {1},
  Uargs(n__isNeList) = {1}, Uargs(isNePal) = {1},
  Uargs(n__isPal) = {1}

TcT has computed the following matrix interpretation satisfying
not(EDA) and not(IDA(1)).

       [__](x1, x2) = [1] x1 + [1] x2 + [1]
                                           
              [nil] = [2]                  
                                           
      [and](x1, x2) = [1] x1 + [1] x2 + [0]
                                           
               [tt] = [0]                  
                                           
     [activate](x1) = [1] x1 + [0]         
                                           
       [isList](x1) = [1] x1 + [0]         
                                           
     [isNeList](x1) = [1] x1 + [0]         
                                           
           [n__nil] = [1]                  
                                           
    [n____](x1, x2) = [1] x1 + [1] x2 + [1]
                                           
    [n__isList](x1) = [1] x1 + [0]         
                                           
        [isQid](x1) = [1] x1 + [0]         
                                           
  [n__isNeList](x1) = [1] x1 + [4]         
                                           
      [isNePal](x1) = [1] x1 + [6]         
                                           
     [n__isPal](x1) = [1] x1 + [4]         
                                           
        [isPal](x1) = [1] x1 + [3]         
                                           
             [n__a] = [0]                  
                                           
             [n__e] = [0]                  
                                           
             [n__i] = [0]                  
                                           
             [n__o] = [0]                  
                                           
             [n__u] = [0]                  
                                           
                [a] = [5]                  
                                           
                [e] = [5]                  
                                           
                [i] = [5]                  
                                           
                [o] = [5]                  
                                           
                [u] = [5]                  

The order satisfies the following ordering constraints:

                      [__(X1, X2)] =  [1] X1 + [1] X2 + [1]                                 
                                   >= [1] X1 + [1] X2 + [1]                                 
                                   =  [n____(X1, X2)]                                       
                                                                                            
                           [nil()] =  [2]                                                   
                                   >  [1]                                                   
                                   =  [n__nil()]                                            
                                                                                            
                    [and(tt(), X)] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [activate(X)]                                         
                                                                                            
                     [activate(X)] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [X]                                                   
                                                                                            
              [activate(n__nil())] =  [1]                                                   
                                   ?  [2]                                                   
                                   =  [nil()]                                               
                                                                                            
         [activate(n____(X1, X2))] =  [1] X1 + [1] X2 + [1]                                 
                                   >= [1] X1 + [1] X2 + [1]                                 
                                   =  [__(activate(X1), activate(X2))]                      
                                                                                            
          [activate(n__isList(X))] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [isList(X)]                                           
                                                                                            
        [activate(n__isNeList(X))] =  [1] X + [4]                                           
                                   >  [1] X + [0]                                           
                                   =  [isNeList(X)]                                         
                                                                                            
           [activate(n__isPal(X))] =  [1] X + [4]                                           
                                   >  [1] X + [3]                                           
                                   =  [isPal(X)]                                            
                                                                                            
                [activate(n__a())] =  [0]                                                   
                                   ?  [5]                                                   
                                   =  [a()]                                                 
                                                                                            
                [activate(n__e())] =  [0]                                                   
                                   ?  [5]                                                   
                                   =  [e()]                                                 
                                                                                            
                [activate(n__i())] =  [0]                                                   
                                   ?  [5]                                                   
                                   =  [i()]                                                 
                                                                                            
                [activate(n__o())] =  [0]                                                   
                                   ?  [5]                                                   
                                   =  [o()]                                                 
                                                                                            
                [activate(n__u())] =  [0]                                                   
                                   ?  [5]                                                   
                                   =  [u()]                                                 
                                                                                            
                       [isList(V)] =  [1] V + [0]                                           
                                   >= [1] V + [0]                                           
                                   =  [isNeList(activate(V))]                               
                                                                                            
                       [isList(X)] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [n__isList(X)]                                        
                                                                                            
                [isList(n__nil())] =  [1]                                                   
                                   >  [0]                                                   
                                   =  [tt()]                                                
                                                                                            
           [isList(n____(V1, V2))] =  [1] V1 + [1] V2 + [1]                                 
                                   >  [1] V1 + [1] V2 + [0]                                 
                                   =  [and(isList(activate(V1)), n__isList(activate(V2)))]  
                                                                                            
                     [isNeList(V)] =  [1] V + [0]                                           
                                   >= [1] V + [0]                                           
                                   =  [isQid(activate(V))]                                  
                                                                                            
                     [isNeList(X)] =  [1] X + [0]                                           
                                   ?  [1] X + [4]                                           
                                   =  [n__isNeList(X)]                                      
                                                                                            
         [isNeList(n____(V1, V2))] =  [1] V1 + [1] V2 + [1]                                 
                                   ?  [1] V1 + [1] V2 + [4]                                 
                                   =  [and(isList(activate(V1)), n__isNeList(activate(V2)))]
                                                                                            
         [isNeList(n____(V1, V2))] =  [1] V1 + [1] V2 + [1]                                 
                                   >  [1] V1 + [1] V2 + [0]                                 
                                   =  [and(isNeList(activate(V1)), n__isList(activate(V2)))]
                                                                                            
                   [isQid(n__a())] =  [0]                                                   
                                   >= [0]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__e())] =  [0]                                                   
                                   >= [0]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__i())] =  [0]                                                   
                                   >= [0]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__o())] =  [0]                                                   
                                   >= [0]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__u())] =  [0]                                                   
                                   >= [0]                                                   
                                   =  [tt()]                                                
                                                                                            
                      [isNePal(V)] =  [1] V + [6]                                           
                                   >  [1] V + [0]                                           
                                   =  [isQid(activate(V))]                                  
                                                                                            
  [isNePal(n____(I, n____(P, I)))] =  [2] I + [1] P + [8]                                   
                                   >  [1] I + [1] P + [4]                                   
                                   =  [and(isQid(activate(I)), n__isPal(activate(P)))]      
                                                                                            
                        [isPal(V)] =  [1] V + [3]                                           
                                   ?  [1] V + [6]                                           
                                   =  [isNePal(activate(V))]                                
                                                                                            
                        [isPal(X)] =  [1] X + [3]                                           
                                   ?  [1] X + [4]                                           
                                   =  [n__isPal(X)]                                         
                                                                                            
                 [isPal(n__nil())] =  [4]                                                   
                                   >  [0]                                                   
                                   =  [tt()]                                                
                                                                                            
                             [a()] =  [5]                                                   
                                   >  [0]                                                   
                                   =  [n__a()]                                              
                                                                                            
                             [e()] =  [5]                                                   
                                   >  [0]                                                   
                                   =  [n__e()]                                              
                                                                                            
                             [i()] =  [5]                                                   
                                   >  [0]                                                   
                                   =  [n__i()]                                              
                                                                                            
                             [o()] =  [5]                                                   
                                   >  [0]                                                   
                                   =  [n__o()]                                              
                                                                                            
                             [u()] =  [5]                                                   
                                   >  [0]                                                   
                                   =  [n__u()]                                              
                                                                                            

Further, it can be verified that all rules not oriented are covered by the weightgap condition.

We are left with following problem, upon which TcT provides the
certificate YES(O(1),O(n^2)).

Strict Trs:
  { activate(n__nil()) -> nil()
  , activate(n____(X1, X2)) -> __(activate(X1), activate(X2))
  , activate(n__a()) -> a()
  , activate(n__e()) -> e()
  , activate(n__i()) -> i()
  , activate(n__o()) -> o()
  , activate(n__u()) -> u()
  , isList(X) -> n__isList(X)
  , isNeList(X) -> n__isNeList(X)
  , isNeList(n____(V1, V2)) ->
    and(isList(activate(V1)), n__isNeList(activate(V2)))
  , isPal(V) -> isNePal(activate(V))
  , isPal(X) -> n__isPal(X) }
Weak Trs:
  { __(X1, X2) -> n____(X1, X2)
  , nil() -> n__nil()
  , and(tt(), X) -> activate(X)
  , activate(X) -> X
  , activate(n__isList(X)) -> isList(X)
  , activate(n__isNeList(X)) -> isNeList(X)
  , activate(n__isPal(X)) -> isPal(X)
  , isList(V) -> isNeList(activate(V))
  , isList(n__nil()) -> tt()
  , isList(n____(V1, V2)) ->
    and(isList(activate(V1)), n__isList(activate(V2)))
  , isNeList(V) -> isQid(activate(V))
  , isNeList(n____(V1, V2)) ->
    and(isNeList(activate(V1)), n__isList(activate(V2)))
  , isQid(n__a()) -> tt()
  , isQid(n__e()) -> tt()
  , isQid(n__i()) -> tt()
  , isQid(n__o()) -> tt()
  , isQid(n__u()) -> tt()
  , isNePal(V) -> isQid(activate(V))
  , isNePal(n____(I, n____(P, I))) ->
    and(isQid(activate(I)), n__isPal(activate(P)))
  , isPal(n__nil()) -> tt()
  , a() -> n__a()
  , e() -> n__e()
  , i() -> n__i()
  , o() -> n__o()
  , u() -> n__u() }
Obligation:
  innermost runtime complexity
Answer:
  YES(O(1),O(n^2))

The weightgap principle applies (using the following nonconstant
growth matrix-interpretation)

The following argument positions are usable:
  Uargs(__) = {1, 2}, Uargs(and) = {1, 2}, Uargs(isList) = {1},
  Uargs(isNeList) = {1}, Uargs(n__isList) = {1}, Uargs(isQid) = {1},
  Uargs(n__isNeList) = {1}, Uargs(isNePal) = {1},
  Uargs(n__isPal) = {1}

TcT has computed the following matrix interpretation satisfying
not(EDA) and not(IDA(1)).

       [__](x1, x2) = [1] x1 + [1] x2 + [1]
                                           
              [nil] = [1]                  
                                           
      [and](x1, x2) = [1] x1 + [1] x2 + [0]
                                           
               [tt] = [0]                  
                                           
     [activate](x1) = [1] x1 + [0]         
                                           
       [isList](x1) = [1] x1 + [1]         
                                           
     [isNeList](x1) = [1] x1 + [1]         
                                           
           [n__nil] = [0]                  
                                           
    [n____](x1, x2) = [1] x1 + [1] x2 + [1]
                                           
    [n__isList](x1) = [1] x1 + [1]         
                                           
        [isQid](x1) = [1] x1 + [0]         
                                           
  [n__isNeList](x1) = [1] x1 + [3]         
                                           
      [isNePal](x1) = [1] x1 + [3]         
                                           
     [n__isPal](x1) = [1] x1 + [5]         
                                           
        [isPal](x1) = [1] x1 + [5]         
                                           
             [n__a] = [0]                  
                                           
             [n__e] = [1]                  
                                           
             [n__i] = [1]                  
                                           
             [n__o] = [1]                  
                                           
             [n__u] = [3]                  
                                           
                [a] = [1]                  
                                           
                [e] = [4]                  
                                           
                [i] = [4]                  
                                           
                [o] = [2]                  
                                           
                [u] = [3]                  

The order satisfies the following ordering constraints:

                      [__(X1, X2)] =  [1] X1 + [1] X2 + [1]                                 
                                   >= [1] X1 + [1] X2 + [1]                                 
                                   =  [n____(X1, X2)]                                       
                                                                                            
                           [nil()] =  [1]                                                   
                                   >  [0]                                                   
                                   =  [n__nil()]                                            
                                                                                            
                    [and(tt(), X)] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [activate(X)]                                         
                                                                                            
                     [activate(X)] =  [1] X + [0]                                           
                                   >= [1] X + [0]                                           
                                   =  [X]                                                   
                                                                                            
              [activate(n__nil())] =  [0]                                                   
                                   ?  [1]                                                   
                                   =  [nil()]                                               
                                                                                            
         [activate(n____(X1, X2))] =  [1] X1 + [1] X2 + [1]                                 
                                   >= [1] X1 + [1] X2 + [1]                                 
                                   =  [__(activate(X1), activate(X2))]                      
                                                                                            
          [activate(n__isList(X))] =  [1] X + [1]                                           
                                   >= [1] X + [1]                                           
                                   =  [isList(X)]                                           
                                                                                            
        [activate(n__isNeList(X))] =  [1] X + [3]                                           
                                   >  [1] X + [1]                                           
                                   =  [isNeList(X)]                                         
                                                                                            
           [activate(n__isPal(X))] =  [1] X + [5]                                           
                                   >= [1] X + [5]                                           
                                   =  [isPal(X)]                                            
                                                                                            
                [activate(n__a())] =  [0]                                                   
                                   ?  [1]                                                   
                                   =  [a()]                                                 
                                                                                            
                [activate(n__e())] =  [1]                                                   
                                   ?  [4]                                                   
                                   =  [e()]                                                 
                                                                                            
                [activate(n__i())] =  [1]                                                   
                                   ?  [4]                                                   
                                   =  [i()]                                                 
                                                                                            
                [activate(n__o())] =  [1]                                                   
                                   ?  [2]                                                   
                                   =  [o()]                                                 
                                                                                            
                [activate(n__u())] =  [3]                                                   
                                   >= [3]                                                   
                                   =  [u()]                                                 
                                                                                            
                       [isList(V)] =  [1] V + [1]                                           
                                   >= [1] V + [1]                                           
                                   =  [isNeList(activate(V))]                               
                                                                                            
                       [isList(X)] =  [1] X + [1]                                           
                                   >= [1] X + [1]                                           
                                   =  [n__isList(X)]                                        
                                                                                            
                [isList(n__nil())] =  [1]                                                   
                                   >  [0]                                                   
                                   =  [tt()]                                                
                                                                                            
           [isList(n____(V1, V2))] =  [1] V1 + [1] V2 + [2]                                 
                                   >= [1] V1 + [1] V2 + [2]                                 
                                   =  [and(isList(activate(V1)), n__isList(activate(V2)))]  
                                                                                            
                     [isNeList(V)] =  [1] V + [1]                                           
                                   >  [1] V + [0]                                           
                                   =  [isQid(activate(V))]                                  
                                                                                            
                     [isNeList(X)] =  [1] X + [1]                                           
                                   ?  [1] X + [3]                                           
                                   =  [n__isNeList(X)]                                      
                                                                                            
         [isNeList(n____(V1, V2))] =  [1] V1 + [1] V2 + [2]                                 
                                   ?  [1] V1 + [1] V2 + [4]                                 
                                   =  [and(isList(activate(V1)), n__isNeList(activate(V2)))]
                                                                                            
         [isNeList(n____(V1, V2))] =  [1] V1 + [1] V2 + [2]                                 
                                   >= [1] V1 + [1] V2 + [2]                                 
                                   =  [and(isNeList(activate(V1)), n__isList(activate(V2)))]
                                                                                            
                   [isQid(n__a())] =  [0]                                                   
                                   >= [0]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__e())] =  [1]                                                   
                                   >  [0]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__i())] =  [1]                                                   
                                   >  [0]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__o())] =  [1]                                                   
                                   >  [0]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__u())] =  [3]                                                   
                                   >  [0]                                                   
                                   =  [tt()]                                                
                                                                                            
                      [isNePal(V)] =  [1] V + [3]                                           
                                   >  [1] V + [0]                                           
                                   =  [isQid(activate(V))]                                  
                                                                                            
  [isNePal(n____(I, n____(P, I)))] =  [2] I + [1] P + [5]                                   
                                   >= [1] I + [1] P + [5]                                   
                                   =  [and(isQid(activate(I)), n__isPal(activate(P)))]      
                                                                                            
                        [isPal(V)] =  [1] V + [5]                                           
                                   >  [1] V + [3]                                           
                                   =  [isNePal(activate(V))]                                
                                                                                            
                        [isPal(X)] =  [1] X + [5]                                           
                                   >= [1] X + [5]                                           
                                   =  [n__isPal(X)]                                         
                                                                                            
                 [isPal(n__nil())] =  [5]                                                   
                                   >  [0]                                                   
                                   =  [tt()]                                                
                                                                                            
                             [a()] =  [1]                                                   
                                   >  [0]                                                   
                                   =  [n__a()]                                              
                                                                                            
                             [e()] =  [4]                                                   
                                   >  [1]                                                   
                                   =  [n__e()]                                              
                                                                                            
                             [i()] =  [4]                                                   
                                   >  [1]                                                   
                                   =  [n__i()]                                              
                                                                                            
                             [o()] =  [2]                                                   
                                   >  [1]                                                   
                                   =  [n__o()]                                              
                                                                                            
                             [u()] =  [3]                                                   
                                   >= [3]                                                   
                                   =  [n__u()]                                              
                                                                                            

Further, it can be verified that all rules not oriented are covered by the weightgap condition.

We are left with following problem, upon which TcT provides the
certificate YES(O(1),O(n^2)).

Strict Trs:
  { activate(n__nil()) -> nil()
  , activate(n____(X1, X2)) -> __(activate(X1), activate(X2))
  , activate(n__a()) -> a()
  , activate(n__e()) -> e()
  , activate(n__i()) -> i()
  , activate(n__o()) -> o()
  , activate(n__u()) -> u()
  , isList(X) -> n__isList(X)
  , isNeList(X) -> n__isNeList(X)
  , isNeList(n____(V1, V2)) ->
    and(isList(activate(V1)), n__isNeList(activate(V2)))
  , isPal(X) -> n__isPal(X) }
Weak Trs:
  { __(X1, X2) -> n____(X1, X2)
  , nil() -> n__nil()
  , and(tt(), X) -> activate(X)
  , activate(X) -> X
  , activate(n__isList(X)) -> isList(X)
  , activate(n__isNeList(X)) -> isNeList(X)
  , activate(n__isPal(X)) -> isPal(X)
  , isList(V) -> isNeList(activate(V))
  , isList(n__nil()) -> tt()
  , isList(n____(V1, V2)) ->
    and(isList(activate(V1)), n__isList(activate(V2)))
  , isNeList(V) -> isQid(activate(V))
  , isNeList(n____(V1, V2)) ->
    and(isNeList(activate(V1)), n__isList(activate(V2)))
  , isQid(n__a()) -> tt()
  , isQid(n__e()) -> tt()
  , isQid(n__i()) -> tt()
  , isQid(n__o()) -> tt()
  , isQid(n__u()) -> tt()
  , isNePal(V) -> isQid(activate(V))
  , isNePal(n____(I, n____(P, I))) ->
    and(isQid(activate(I)), n__isPal(activate(P)))
  , isPal(V) -> isNePal(activate(V))
  , isPal(n__nil()) -> tt()
  , a() -> n__a()
  , e() -> n__e()
  , i() -> n__i()
  , o() -> n__o()
  , u() -> n__u() }
Obligation:
  innermost runtime complexity
Answer:
  YES(O(1),O(n^2))

The weightgap principle applies (using the following nonconstant
growth matrix-interpretation)

The following argument positions are usable:
  Uargs(__) = {1, 2}, Uargs(and) = {1, 2}, Uargs(isList) = {1},
  Uargs(isNeList) = {1}, Uargs(n__isList) = {1}, Uargs(isQid) = {1},
  Uargs(n__isNeList) = {1}, Uargs(isNePal) = {1},
  Uargs(n__isPal) = {1}

TcT has computed the following matrix interpretation satisfying
not(EDA) and not(IDA(1)).

       [__](x1, x2) = [1] x1 + [1] x2 + [7]
                                           
              [nil] = [1]                  
                                           
      [and](x1, x2) = [1] x1 + [1] x2 + [0]
                                           
               [tt] = [2]                  
                                           
     [activate](x1) = [1] x1 + [1]         
                                           
       [isList](x1) = [1] x1 + [2]         
                                           
     [isNeList](x1) = [1] x1 + [1]         
                                           
           [n__nil] = [0]                  
                                           
    [n____](x1, x2) = [1] x1 + [1] x2 + [3]
                                           
    [n__isList](x1) = [1] x1 + [1]         
                                           
        [isQid](x1) = [1] x1 + [0]         
                                           
  [n__isNeList](x1) = [1] x1 + [0]         
                                           
      [isNePal](x1) = [1] x1 + [5]         
                                           
     [n__isPal](x1) = [1] x1 + [7]         
                                           
        [isPal](x1) = [1] x1 + [7]         
                                           
             [n__a] = [4]                  
                                           
             [n__e] = [2]                  
                                           
             [n__i] = [2]                  
                                           
             [n__o] = [2]                  
                                           
             [n__u] = [2]                  
                                           
                [a] = [4]                  
                                           
                [e] = [3]                  
                                           
                [i] = [2]                  
                                           
                [o] = [3]                  
                                           
                [u] = [2]                  

The order satisfies the following ordering constraints:

                      [__(X1, X2)] =  [1] X1 + [1] X2 + [7]                                 
                                   >  [1] X1 + [1] X2 + [3]                                 
                                   =  [n____(X1, X2)]                                       
                                                                                            
                           [nil()] =  [1]                                                   
                                   >  [0]                                                   
                                   =  [n__nil()]                                            
                                                                                            
                    [and(tt(), X)] =  [1] X + [2]                                           
                                   >  [1] X + [1]                                           
                                   =  [activate(X)]                                         
                                                                                            
                     [activate(X)] =  [1] X + [1]                                           
                                   >  [1] X + [0]                                           
                                   =  [X]                                                   
                                                                                            
              [activate(n__nil())] =  [1]                                                   
                                   >= [1]                                                   
                                   =  [nil()]                                               
                                                                                            
         [activate(n____(X1, X2))] =  [1] X1 + [1] X2 + [4]                                 
                                   ?  [1] X1 + [1] X2 + [9]                                 
                                   =  [__(activate(X1), activate(X2))]                      
                                                                                            
          [activate(n__isList(X))] =  [1] X + [2]                                           
                                   >= [1] X + [2]                                           
                                   =  [isList(X)]                                           
                                                                                            
        [activate(n__isNeList(X))] =  [1] X + [1]                                           
                                   >= [1] X + [1]                                           
                                   =  [isNeList(X)]                                         
                                                                                            
           [activate(n__isPal(X))] =  [1] X + [8]                                           
                                   >  [1] X + [7]                                           
                                   =  [isPal(X)]                                            
                                                                                            
                [activate(n__a())] =  [5]                                                   
                                   >  [4]                                                   
                                   =  [a()]                                                 
                                                                                            
                [activate(n__e())] =  [3]                                                   
                                   >= [3]                                                   
                                   =  [e()]                                                 
                                                                                            
                [activate(n__i())] =  [3]                                                   
                                   >  [2]                                                   
                                   =  [i()]                                                 
                                                                                            
                [activate(n__o())] =  [3]                                                   
                                   >= [3]                                                   
                                   =  [o()]                                                 
                                                                                            
                [activate(n__u())] =  [3]                                                   
                                   >  [2]                                                   
                                   =  [u()]                                                 
                                                                                            
                       [isList(V)] =  [1] V + [2]                                           
                                   >= [1] V + [2]                                           
                                   =  [isNeList(activate(V))]                               
                                                                                            
                       [isList(X)] =  [1] X + [2]                                           
                                   >  [1] X + [1]                                           
                                   =  [n__isList(X)]                                        
                                                                                            
                [isList(n__nil())] =  [2]                                                   
                                   >= [2]                                                   
                                   =  [tt()]                                                
                                                                                            
           [isList(n____(V1, V2))] =  [1] V1 + [1] V2 + [5]                                 
                                   >= [1] V1 + [1] V2 + [5]                                 
                                   =  [and(isList(activate(V1)), n__isList(activate(V2)))]  
                                                                                            
                     [isNeList(V)] =  [1] V + [1]                                           
                                   >= [1] V + [1]                                           
                                   =  [isQid(activate(V))]                                  
                                                                                            
                     [isNeList(X)] =  [1] X + [1]                                           
                                   >  [1] X + [0]                                           
                                   =  [n__isNeList(X)]                                      
                                                                                            
         [isNeList(n____(V1, V2))] =  [1] V1 + [1] V2 + [4]                                 
                                   >= [1] V1 + [1] V2 + [4]                                 
                                   =  [and(isList(activate(V1)), n__isNeList(activate(V2)))]
                                                                                            
         [isNeList(n____(V1, V2))] =  [1] V1 + [1] V2 + [4]                                 
                                   >= [1] V1 + [1] V2 + [4]                                 
                                   =  [and(isNeList(activate(V1)), n__isList(activate(V2)))]
                                                                                            
                   [isQid(n__a())] =  [4]                                                   
                                   >  [2]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__e())] =  [2]                                                   
                                   >= [2]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__i())] =  [2]                                                   
                                   >= [2]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__o())] =  [2]                                                   
                                   >= [2]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__u())] =  [2]                                                   
                                   >= [2]                                                   
                                   =  [tt()]                                                
                                                                                            
                      [isNePal(V)] =  [1] V + [5]                                           
                                   >  [1] V + [1]                                           
                                   =  [isQid(activate(V))]                                  
                                                                                            
  [isNePal(n____(I, n____(P, I)))] =  [2] I + [1] P + [11]                                  
                                   >  [1] I + [1] P + [9]                                   
                                   =  [and(isQid(activate(I)), n__isPal(activate(P)))]      
                                                                                            
                        [isPal(V)] =  [1] V + [7]                                           
                                   >  [1] V + [6]                                           
                                   =  [isNePal(activate(V))]                                
                                                                                            
                        [isPal(X)] =  [1] X + [7]                                           
                                   >= [1] X + [7]                                           
                                   =  [n__isPal(X)]                                         
                                                                                            
                 [isPal(n__nil())] =  [7]                                                   
                                   >  [2]                                                   
                                   =  [tt()]                                                
                                                                                            
                             [a()] =  [4]                                                   
                                   >= [4]                                                   
                                   =  [n__a()]                                              
                                                                                            
                             [e()] =  [3]                                                   
                                   >  [2]                                                   
                                   =  [n__e()]                                              
                                                                                            
                             [i()] =  [2]                                                   
                                   >= [2]                                                   
                                   =  [n__i()]                                              
                                                                                            
                             [o()] =  [3]                                                   
                                   >  [2]                                                   
                                   =  [n__o()]                                              
                                                                                            
                             [u()] =  [2]                                                   
                                   >= [2]                                                   
                                   =  [n__u()]                                              
                                                                                            

Further, it can be verified that all rules not oriented are covered by the weightgap condition.

We are left with following problem, upon which TcT provides the
certificate YES(O(1),O(n^2)).

Strict Trs:
  { activate(n__nil()) -> nil()
  , activate(n____(X1, X2)) -> __(activate(X1), activate(X2))
  , activate(n__e()) -> e()
  , activate(n__o()) -> o()
  , isNeList(n____(V1, V2)) ->
    and(isList(activate(V1)), n__isNeList(activate(V2)))
  , isPal(X) -> n__isPal(X) }
Weak Trs:
  { __(X1, X2) -> n____(X1, X2)
  , nil() -> n__nil()
  , and(tt(), X) -> activate(X)
  , activate(X) -> X
  , activate(n__isList(X)) -> isList(X)
  , activate(n__isNeList(X)) -> isNeList(X)
  , activate(n__isPal(X)) -> isPal(X)
  , activate(n__a()) -> a()
  , activate(n__i()) -> i()
  , activate(n__u()) -> u()
  , isList(V) -> isNeList(activate(V))
  , isList(X) -> n__isList(X)
  , isList(n__nil()) -> tt()
  , isList(n____(V1, V2)) ->
    and(isList(activate(V1)), n__isList(activate(V2)))
  , isNeList(V) -> isQid(activate(V))
  , isNeList(X) -> n__isNeList(X)
  , isNeList(n____(V1, V2)) ->
    and(isNeList(activate(V1)), n__isList(activate(V2)))
  , isQid(n__a()) -> tt()
  , isQid(n__e()) -> tt()
  , isQid(n__i()) -> tt()
  , isQid(n__o()) -> tt()
  , isQid(n__u()) -> tt()
  , isNePal(V) -> isQid(activate(V))
  , isNePal(n____(I, n____(P, I))) ->
    and(isQid(activate(I)), n__isPal(activate(P)))
  , isPal(V) -> isNePal(activate(V))
  , isPal(n__nil()) -> tt()
  , a() -> n__a()
  , e() -> n__e()
  , i() -> n__i()
  , o() -> n__o()
  , u() -> n__u() }
Obligation:
  innermost runtime complexity
Answer:
  YES(O(1),O(n^2))

The weightgap principle applies (using the following nonconstant
growth matrix-interpretation)

The following argument positions are usable:
  Uargs(__) = {1, 2}, Uargs(and) = {1, 2}, Uargs(isList) = {1},
  Uargs(isNeList) = {1}, Uargs(n__isList) = {1}, Uargs(isQid) = {1},
  Uargs(n__isNeList) = {1}, Uargs(isNePal) = {1},
  Uargs(n__isPal) = {1}

TcT has computed the following matrix interpretation satisfying
not(EDA) and not(IDA(1)).

       [__](x1, x2) = [1] x1 + [1] x2 + [7]
                                           
              [nil] = [1]                  
                                           
      [and](x1, x2) = [1] x1 + [1] x2 + [1]
                                           
               [tt] = [0]                  
                                           
     [activate](x1) = [1] x1 + [1]         
                                           
       [isList](x1) = [1] x1 + [5]         
                                           
     [isNeList](x1) = [1] x1 + [4]         
                                           
           [n__nil] = [0]                  
                                           
    [n____](x1, x2) = [1] x1 + [1] x2 + [7]
                                           
    [n__isList](x1) = [1] x1 + [4]         
                                           
        [isQid](x1) = [1] x1 + [0]         
                                           
  [n__isNeList](x1) = [1] x1 + [4]         
                                           
      [isNePal](x1) = [1] x1 + [1]         
                                           
     [n__isPal](x1) = [1] x1 + [4]         
                                           
        [isPal](x1) = [1] x1 + [4]         
                                           
             [n__a] = [0]                  
                                           
             [n__e] = [0]                  
                                           
             [n__i] = [0]                  
                                           
             [n__o] = [0]                  
                                           
             [n__u] = [0]                  
                                           
                [a] = [0]                  
                                           
                [e] = [0]                  
                                           
                [i] = [0]                  
                                           
                [o] = [0]                  
                                           
                [u] = [0]                  

The order satisfies the following ordering constraints:

                      [__(X1, X2)] =  [1] X1 + [1] X2 + [7]                                 
                                   >= [1] X1 + [1] X2 + [7]                                 
                                   =  [n____(X1, X2)]                                       
                                                                                            
                           [nil()] =  [1]                                                   
                                   >  [0]                                                   
                                   =  [n__nil()]                                            
                                                                                            
                    [and(tt(), X)] =  [1] X + [1]                                           
                                   >= [1] X + [1]                                           
                                   =  [activate(X)]                                         
                                                                                            
                     [activate(X)] =  [1] X + [1]                                           
                                   >  [1] X + [0]                                           
                                   =  [X]                                                   
                                                                                            
              [activate(n__nil())] =  [1]                                                   
                                   >= [1]                                                   
                                   =  [nil()]                                               
                                                                                            
         [activate(n____(X1, X2))] =  [1] X1 + [1] X2 + [8]                                 
                                   ?  [1] X1 + [1] X2 + [9]                                 
                                   =  [__(activate(X1), activate(X2))]                      
                                                                                            
          [activate(n__isList(X))] =  [1] X + [5]                                           
                                   >= [1] X + [5]                                           
                                   =  [isList(X)]                                           
                                                                                            
        [activate(n__isNeList(X))] =  [1] X + [5]                                           
                                   >  [1] X + [4]                                           
                                   =  [isNeList(X)]                                         
                                                                                            
           [activate(n__isPal(X))] =  [1] X + [5]                                           
                                   >  [1] X + [4]                                           
                                   =  [isPal(X)]                                            
                                                                                            
                [activate(n__a())] =  [1]                                                   
                                   >  [0]                                                   
                                   =  [a()]                                                 
                                                                                            
                [activate(n__e())] =  [1]                                                   
                                   >  [0]                                                   
                                   =  [e()]                                                 
                                                                                            
                [activate(n__i())] =  [1]                                                   
                                   >  [0]                                                   
                                   =  [i()]                                                 
                                                                                            
                [activate(n__o())] =  [1]                                                   
                                   >  [0]                                                   
                                   =  [o()]                                                 
                                                                                            
                [activate(n__u())] =  [1]                                                   
                                   >  [0]                                                   
                                   =  [u()]                                                 
                                                                                            
                       [isList(V)] =  [1] V + [5]                                           
                                   >= [1] V + [5]                                           
                                   =  [isNeList(activate(V))]                               
                                                                                            
                       [isList(X)] =  [1] X + [5]                                           
                                   >  [1] X + [4]                                           
                                   =  [n__isList(X)]                                        
                                                                                            
                [isList(n__nil())] =  [5]                                                   
                                   >  [0]                                                   
                                   =  [tt()]                                                
                                                                                            
           [isList(n____(V1, V2))] =  [1] V1 + [1] V2 + [12]                                
                                   >= [1] V1 + [1] V2 + [12]                                
                                   =  [and(isList(activate(V1)), n__isList(activate(V2)))]  
                                                                                            
                     [isNeList(V)] =  [1] V + [4]                                           
                                   >  [1] V + [1]                                           
                                   =  [isQid(activate(V))]                                  
                                                                                            
                     [isNeList(X)] =  [1] X + [4]                                           
                                   >= [1] X + [4]                                           
                                   =  [n__isNeList(X)]                                      
                                                                                            
         [isNeList(n____(V1, V2))] =  [1] V1 + [1] V2 + [11]                                
                                   ?  [1] V1 + [1] V2 + [12]                                
                                   =  [and(isList(activate(V1)), n__isNeList(activate(V2)))]
                                                                                            
         [isNeList(n____(V1, V2))] =  [1] V1 + [1] V2 + [11]                                
                                   >= [1] V1 + [1] V2 + [11]                                
                                   =  [and(isNeList(activate(V1)), n__isList(activate(V2)))]
                                                                                            
                   [isQid(n__a())] =  [0]                                                   
                                   >= [0]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__e())] =  [0]                                                   
                                   >= [0]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__i())] =  [0]                                                   
                                   >= [0]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__o())] =  [0]                                                   
                                   >= [0]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__u())] =  [0]                                                   
                                   >= [0]                                                   
                                   =  [tt()]                                                
                                                                                            
                      [isNePal(V)] =  [1] V + [1]                                           
                                   >= [1] V + [1]                                           
                                   =  [isQid(activate(V))]                                  
                                                                                            
  [isNePal(n____(I, n____(P, I)))] =  [2] I + [1] P + [15]                                  
                                   >  [1] I + [1] P + [7]                                   
                                   =  [and(isQid(activate(I)), n__isPal(activate(P)))]      
                                                                                            
                        [isPal(V)] =  [1] V + [4]                                           
                                   >  [1] V + [2]                                           
                                   =  [isNePal(activate(V))]                                
                                                                                            
                        [isPal(X)] =  [1] X + [4]                                           
                                   >= [1] X + [4]                                           
                                   =  [n__isPal(X)]                                         
                                                                                            
                 [isPal(n__nil())] =  [4]                                                   
                                   >  [0]                                                   
                                   =  [tt()]                                                
                                                                                            
                             [a()] =  [0]                                                   
                                   >= [0]                                                   
                                   =  [n__a()]                                              
                                                                                            
                             [e()] =  [0]                                                   
                                   >= [0]                                                   
                                   =  [n__e()]                                              
                                                                                            
                             [i()] =  [0]                                                   
                                   >= [0]                                                   
                                   =  [n__i()]                                              
                                                                                            
                             [o()] =  [0]                                                   
                                   >= [0]                                                   
                                   =  [n__o()]                                              
                                                                                            
                             [u()] =  [0]                                                   
                                   >= [0]                                                   
                                   =  [n__u()]                                              
                                                                                            

Further, it can be verified that all rules not oriented are covered by the weightgap condition.

We are left with following problem, upon which TcT provides the
certificate YES(O(1),O(n^2)).

Strict Trs:
  { activate(n__nil()) -> nil()
  , activate(n____(X1, X2)) -> __(activate(X1), activate(X2))
  , isNeList(n____(V1, V2)) ->
    and(isList(activate(V1)), n__isNeList(activate(V2)))
  , isPal(X) -> n__isPal(X) }
Weak Trs:
  { __(X1, X2) -> n____(X1, X2)
  , nil() -> n__nil()
  , and(tt(), X) -> activate(X)
  , activate(X) -> X
  , activate(n__isList(X)) -> isList(X)
  , activate(n__isNeList(X)) -> isNeList(X)
  , activate(n__isPal(X)) -> isPal(X)
  , activate(n__a()) -> a()
  , activate(n__e()) -> e()
  , activate(n__i()) -> i()
  , activate(n__o()) -> o()
  , activate(n__u()) -> u()
  , isList(V) -> isNeList(activate(V))
  , isList(X) -> n__isList(X)
  , isList(n__nil()) -> tt()
  , isList(n____(V1, V2)) ->
    and(isList(activate(V1)), n__isList(activate(V2)))
  , isNeList(V) -> isQid(activate(V))
  , isNeList(X) -> n__isNeList(X)
  , isNeList(n____(V1, V2)) ->
    and(isNeList(activate(V1)), n__isList(activate(V2)))
  , isQid(n__a()) -> tt()
  , isQid(n__e()) -> tt()
  , isQid(n__i()) -> tt()
  , isQid(n__o()) -> tt()
  , isQid(n__u()) -> tt()
  , isNePal(V) -> isQid(activate(V))
  , isNePal(n____(I, n____(P, I))) ->
    and(isQid(activate(I)), n__isPal(activate(P)))
  , isPal(V) -> isNePal(activate(V))
  , isPal(n__nil()) -> tt()
  , a() -> n__a()
  , e() -> n__e()
  , i() -> n__i()
  , o() -> n__o()
  , u() -> n__u() }
Obligation:
  innermost runtime complexity
Answer:
  YES(O(1),O(n^2))

The weightgap principle applies (using the following nonconstant
growth matrix-interpretation)

The following argument positions are usable:
  Uargs(__) = {1, 2}, Uargs(and) = {1, 2}, Uargs(isList) = {1},
  Uargs(isNeList) = {1}, Uargs(n__isList) = {1}, Uargs(isQid) = {1},
  Uargs(n__isNeList) = {1}, Uargs(isNePal) = {1},
  Uargs(n__isPal) = {1}

TcT has computed the following matrix interpretation satisfying
not(EDA) and not(IDA(1)).

       [__](x1, x2) = [1] x1 + [1] x2 + [7]
                                           
              [nil] = [0]                  
                                           
      [and](x1, x2) = [1] x1 + [1] x2 + [0]
                                           
               [tt] = [1]                  
                                           
     [activate](x1) = [1] x1 + [1]         
                                           
       [isList](x1) = [1] x1 + [3]         
                                           
     [isNeList](x1) = [1] x1 + [2]         
                                           
           [n__nil] = [0]                  
                                           
    [n____](x1, x2) = [1] x1 + [1] x2 + [5]
                                           
    [n__isList](x1) = [1] x1 + [3]         
                                           
        [isQid](x1) = [1] x1 + [0]         
                                           
  [n__isNeList](x1) = [1] x1 + [1]         
                                           
      [isNePal](x1) = [1] x1 + [1]         
                                           
     [n__isPal](x1) = [1] x1 + [7]         
                                           
        [isPal](x1) = [1] x1 + [4]         
                                           
             [n__a] = [1]                  
                                           
             [n__e] = [1]                  
                                           
             [n__i] = [1]                  
                                           
             [n__o] = [1]                  
                                           
             [n__u] = [1]                  
                                           
                [a] = [1]                  
                                           
                [e] = [2]                  
                                           
                [i] = [2]                  
                                           
                [o] = [2]                  
                                           
                [u] = [2]                  

The order satisfies the following ordering constraints:

                      [__(X1, X2)] =  [1] X1 + [1] X2 + [7]                                 
                                   >  [1] X1 + [1] X2 + [5]                                 
                                   =  [n____(X1, X2)]                                       
                                                                                            
                           [nil()] =  [0]                                                   
                                   >= [0]                                                   
                                   =  [n__nil()]                                            
                                                                                            
                    [and(tt(), X)] =  [1] X + [1]                                           
                                   >= [1] X + [1]                                           
                                   =  [activate(X)]                                         
                                                                                            
                     [activate(X)] =  [1] X + [1]                                           
                                   >  [1] X + [0]                                           
                                   =  [X]                                                   
                                                                                            
              [activate(n__nil())] =  [1]                                                   
                                   >  [0]                                                   
                                   =  [nil()]                                               
                                                                                            
         [activate(n____(X1, X2))] =  [1] X1 + [1] X2 + [6]                                 
                                   ?  [1] X1 + [1] X2 + [9]                                 
                                   =  [__(activate(X1), activate(X2))]                      
                                                                                            
          [activate(n__isList(X))] =  [1] X + [4]                                           
                                   >  [1] X + [3]                                           
                                   =  [isList(X)]                                           
                                                                                            
        [activate(n__isNeList(X))] =  [1] X + [2]                                           
                                   >= [1] X + [2]                                           
                                   =  [isNeList(X)]                                         
                                                                                            
           [activate(n__isPal(X))] =  [1] X + [8]                                           
                                   >  [1] X + [4]                                           
                                   =  [isPal(X)]                                            
                                                                                            
                [activate(n__a())] =  [2]                                                   
                                   >  [1]                                                   
                                   =  [a()]                                                 
                                                                                            
                [activate(n__e())] =  [2]                                                   
                                   >= [2]                                                   
                                   =  [e()]                                                 
                                                                                            
                [activate(n__i())] =  [2]                                                   
                                   >= [2]                                                   
                                   =  [i()]                                                 
                                                                                            
                [activate(n__o())] =  [2]                                                   
                                   >= [2]                                                   
                                   =  [o()]                                                 
                                                                                            
                [activate(n__u())] =  [2]                                                   
                                   >= [2]                                                   
                                   =  [u()]                                                 
                                                                                            
                       [isList(V)] =  [1] V + [3]                                           
                                   >= [1] V + [3]                                           
                                   =  [isNeList(activate(V))]                               
                                                                                            
                       [isList(X)] =  [1] X + [3]                                           
                                   >= [1] X + [3]                                           
                                   =  [n__isList(X)]                                        
                                                                                            
                [isList(n__nil())] =  [3]                                                   
                                   >  [1]                                                   
                                   =  [tt()]                                                
                                                                                            
           [isList(n____(V1, V2))] =  [1] V1 + [1] V2 + [8]                                 
                                   >= [1] V1 + [1] V2 + [8]                                 
                                   =  [and(isList(activate(V1)), n__isList(activate(V2)))]  
                                                                                            
                     [isNeList(V)] =  [1] V + [2]                                           
                                   >  [1] V + [1]                                           
                                   =  [isQid(activate(V))]                                  
                                                                                            
                     [isNeList(X)] =  [1] X + [2]                                           
                                   >  [1] X + [1]                                           
                                   =  [n__isNeList(X)]                                      
                                                                                            
         [isNeList(n____(V1, V2))] =  [1] V1 + [1] V2 + [7]                                 
                                   >  [1] V1 + [1] V2 + [6]                                 
                                   =  [and(isList(activate(V1)), n__isNeList(activate(V2)))]
                                                                                            
         [isNeList(n____(V1, V2))] =  [1] V1 + [1] V2 + [7]                                 
                                   >= [1] V1 + [1] V2 + [7]                                 
                                   =  [and(isNeList(activate(V1)), n__isList(activate(V2)))]
                                                                                            
                   [isQid(n__a())] =  [1]                                                   
                                   >= [1]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__e())] =  [1]                                                   
                                   >= [1]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__i())] =  [1]                                                   
                                   >= [1]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__o())] =  [1]                                                   
                                   >= [1]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__u())] =  [1]                                                   
                                   >= [1]                                                   
                                   =  [tt()]                                                
                                                                                            
                      [isNePal(V)] =  [1] V + [1]                                           
                                   >= [1] V + [1]                                           
                                   =  [isQid(activate(V))]                                  
                                                                                            
  [isNePal(n____(I, n____(P, I)))] =  [2] I + [1] P + [11]                                  
                                   >  [1] I + [1] P + [9]                                   
                                   =  [and(isQid(activate(I)), n__isPal(activate(P)))]      
                                                                                            
                        [isPal(V)] =  [1] V + [4]                                           
                                   >  [1] V + [2]                                           
                                   =  [isNePal(activate(V))]                                
                                                                                            
                        [isPal(X)] =  [1] X + [4]                                           
                                   ?  [1] X + [7]                                           
                                   =  [n__isPal(X)]                                         
                                                                                            
                 [isPal(n__nil())] =  [4]                                                   
                                   >  [1]                                                   
                                   =  [tt()]                                                
                                                                                            
                             [a()] =  [1]                                                   
                                   >= [1]                                                   
                                   =  [n__a()]                                              
                                                                                            
                             [e()] =  [2]                                                   
                                   >  [1]                                                   
                                   =  [n__e()]                                              
                                                                                            
                             [i()] =  [2]                                                   
                                   >  [1]                                                   
                                   =  [n__i()]                                              
                                                                                            
                             [o()] =  [2]                                                   
                                   >  [1]                                                   
                                   =  [n__o()]                                              
                                                                                            
                             [u()] =  [2]                                                   
                                   >  [1]                                                   
                                   =  [n__u()]                                              
                                                                                            

Further, it can be verified that all rules not oriented are covered by the weightgap condition.

We are left with following problem, upon which TcT provides the
certificate YES(O(1),O(n^2)).

Strict Trs:
  { activate(n____(X1, X2)) -> __(activate(X1), activate(X2))
  , isPal(X) -> n__isPal(X) }
Weak Trs:
  { __(X1, X2) -> n____(X1, X2)
  , nil() -> n__nil()
  , and(tt(), X) -> activate(X)
  , activate(X) -> X
  , activate(n__nil()) -> nil()
  , activate(n__isList(X)) -> isList(X)
  , activate(n__isNeList(X)) -> isNeList(X)
  , activate(n__isPal(X)) -> isPal(X)
  , activate(n__a()) -> a()
  , activate(n__e()) -> e()
  , activate(n__i()) -> i()
  , activate(n__o()) -> o()
  , activate(n__u()) -> u()
  , isList(V) -> isNeList(activate(V))
  , isList(X) -> n__isList(X)
  , isList(n__nil()) -> tt()
  , isList(n____(V1, V2)) ->
    and(isList(activate(V1)), n__isList(activate(V2)))
  , isNeList(V) -> isQid(activate(V))
  , isNeList(X) -> n__isNeList(X)
  , isNeList(n____(V1, V2)) ->
    and(isList(activate(V1)), n__isNeList(activate(V2)))
  , isNeList(n____(V1, V2)) ->
    and(isNeList(activate(V1)), n__isList(activate(V2)))
  , isQid(n__a()) -> tt()
  , isQid(n__e()) -> tt()
  , isQid(n__i()) -> tt()
  , isQid(n__o()) -> tt()
  , isQid(n__u()) -> tt()
  , isNePal(V) -> isQid(activate(V))
  , isNePal(n____(I, n____(P, I))) ->
    and(isQid(activate(I)), n__isPal(activate(P)))
  , isPal(V) -> isNePal(activate(V))
  , isPal(n__nil()) -> tt()
  , a() -> n__a()
  , e() -> n__e()
  , i() -> n__i()
  , o() -> n__o()
  , u() -> n__u() }
Obligation:
  innermost runtime complexity
Answer:
  YES(O(1),O(n^2))

The weightgap principle applies (using the following nonconstant
growth matrix-interpretation)

The following argument positions are usable:
  Uargs(__) = {1, 2}, Uargs(and) = {1, 2}, Uargs(isList) = {1},
  Uargs(isNeList) = {1}, Uargs(n__isList) = {1}, Uargs(isQid) = {1},
  Uargs(n__isNeList) = {1}, Uargs(isNePal) = {1},
  Uargs(n__isPal) = {1}

TcT has computed the following matrix interpretation satisfying
not(EDA) and not(IDA(1)).

       [__](x1, x2) = [1] x1 + [1] x2 + [6]
                                           
              [nil] = [4]                  
                                           
      [and](x1, x2) = [1] x1 + [1] x2 + [0]
                                           
               [tt] = [4]                  
                                           
     [activate](x1) = [1] x1 + [1]         
                                           
       [isList](x1) = [1] x1 + [4]         
                                           
     [isNeList](x1) = [1] x1 + [2]         
                                           
           [n__nil] = [4]                  
                                           
    [n____](x1, x2) = [1] x1 + [1] x2 + [6]
                                           
    [n__isList](x1) = [1] x1 + [3]         
                                           
        [isQid](x1) = [1] x1 + [0]         
                                           
  [n__isNeList](x1) = [1] x1 + [2]         
                                           
      [isNePal](x1) = [1] x1 + [2]         
                                           
     [n__isPal](x1) = [1] x1 + [6]         
                                           
        [isPal](x1) = [1] x1 + [7]         
                                           
             [n__a] = [4]                  
                                           
             [n__e] = [7]                  
                                           
             [n__i] = [6]                  
                                           
             [n__o] = [4]                  
                                           
             [n__u] = [5]                  
                                           
                [a] = [4]                  
                                           
                [e] = [7]                  
                                           
                [i] = [6]                  
                                           
                [o] = [4]                  
                                           
                [u] = [6]                  

The order satisfies the following ordering constraints:

                      [__(X1, X2)] =  [1] X1 + [1] X2 + [6]                                 
                                   >= [1] X1 + [1] X2 + [6]                                 
                                   =  [n____(X1, X2)]                                       
                                                                                            
                           [nil()] =  [4]                                                   
                                   >= [4]                                                   
                                   =  [n__nil()]                                            
                                                                                            
                    [and(tt(), X)] =  [1] X + [4]                                           
                                   >  [1] X + [1]                                           
                                   =  [activate(X)]                                         
                                                                                            
                     [activate(X)] =  [1] X + [1]                                           
                                   >  [1] X + [0]                                           
                                   =  [X]                                                   
                                                                                            
              [activate(n__nil())] =  [5]                                                   
                                   >  [4]                                                   
                                   =  [nil()]                                               
                                                                                            
         [activate(n____(X1, X2))] =  [1] X1 + [1] X2 + [7]                                 
                                   ?  [1] X1 + [1] X2 + [8]                                 
                                   =  [__(activate(X1), activate(X2))]                      
                                                                                            
          [activate(n__isList(X))] =  [1] X + [4]                                           
                                   >= [1] X + [4]                                           
                                   =  [isList(X)]                                           
                                                                                            
        [activate(n__isNeList(X))] =  [1] X + [3]                                           
                                   >  [1] X + [2]                                           
                                   =  [isNeList(X)]                                         
                                                                                            
           [activate(n__isPal(X))] =  [1] X + [7]                                           
                                   >= [1] X + [7]                                           
                                   =  [isPal(X)]                                            
                                                                                            
                [activate(n__a())] =  [5]                                                   
                                   >  [4]                                                   
                                   =  [a()]                                                 
                                                                                            
                [activate(n__e())] =  [8]                                                   
                                   >  [7]                                                   
                                   =  [e()]                                                 
                                                                                            
                [activate(n__i())] =  [7]                                                   
                                   >  [6]                                                   
                                   =  [i()]                                                 
                                                                                            
                [activate(n__o())] =  [5]                                                   
                                   >  [4]                                                   
                                   =  [o()]                                                 
                                                                                            
                [activate(n__u())] =  [6]                                                   
                                   >= [6]                                                   
                                   =  [u()]                                                 
                                                                                            
                       [isList(V)] =  [1] V + [4]                                           
                                   >  [1] V + [3]                                           
                                   =  [isNeList(activate(V))]                               
                                                                                            
                       [isList(X)] =  [1] X + [4]                                           
                                   >  [1] X + [3]                                           
                                   =  [n__isList(X)]                                        
                                                                                            
                [isList(n__nil())] =  [8]                                                   
                                   >  [4]                                                   
                                   =  [tt()]                                                
                                                                                            
           [isList(n____(V1, V2))] =  [1] V1 + [1] V2 + [10]                                
                                   >  [1] V1 + [1] V2 + [9]                                 
                                   =  [and(isList(activate(V1)), n__isList(activate(V2)))]  
                                                                                            
                     [isNeList(V)] =  [1] V + [2]                                           
                                   >  [1] V + [1]                                           
                                   =  [isQid(activate(V))]                                  
                                                                                            
                     [isNeList(X)] =  [1] X + [2]                                           
                                   >= [1] X + [2]                                           
                                   =  [n__isNeList(X)]                                      
                                                                                            
         [isNeList(n____(V1, V2))] =  [1] V1 + [1] V2 + [8]                                 
                                   >= [1] V1 + [1] V2 + [8]                                 
                                   =  [and(isList(activate(V1)), n__isNeList(activate(V2)))]
                                                                                            
         [isNeList(n____(V1, V2))] =  [1] V1 + [1] V2 + [8]                                 
                                   >  [1] V1 + [1] V2 + [7]                                 
                                   =  [and(isNeList(activate(V1)), n__isList(activate(V2)))]
                                                                                            
                   [isQid(n__a())] =  [4]                                                   
                                   >= [4]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__e())] =  [7]                                                   
                                   >  [4]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__i())] =  [6]                                                   
                                   >  [4]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__o())] =  [4]                                                   
                                   >= [4]                                                   
                                   =  [tt()]                                                
                                                                                            
                   [isQid(n__u())] =  [5]                                                   
                                   >  [4]                                                   
                                   =  [tt()]                                                
                                                                                            
                      [isNePal(V)] =  [1] V + [2]                                           
                                   >  [1] V + [1]                                           
                                   =  [isQid(activate(V))]                                  
                                                                                            
  [isNePal(n____(I, n____(P, I)))] =  [2] I + [1] P + [14]                                  
                                   >  [1] I + [1] P + [8]                                   
                                   =  [and(isQid(activate(I)), n__isPal(activate(P)))]      
                                                                                            
                        [isPal(V)] =  [1] V + [7]                                           
                                   >  [1] V + [3]                                           
                                   =  [isNePal(activate(V))]                                
                                                                                            
                        [isPal(X)] =  [1] X + [7]                                           
                                   >  [1] X + [6]                                           
                                   =  [n__isPal(X)]                                         
                                                                                            
                 [isPal(n__nil())] =  [11]                                                  
                                   >  [4]                                                   
                                   =  [tt()]                                                
                                                                                            
                             [a()] =  [4]                                                   
                                   >= [4]                                                   
                                   =  [n__a()]                                              
                                                                                            
                             [e()] =  [7]                                                   
                                   >= [7]                                                   
                                   =  [n__e()]                                              
                                                                                            
                             [i()] =  [6]                                                   
                                   >= [6]                                                   
                                   =  [n__i()]                                              
                                                                                            
                             [o()] =  [4]                                                   
                                   >= [4]                                                   
                                   =  [n__o()]                                              
                                                                                            
                             [u()] =  [6]                                                   
                                   >  [5]                                                   
                                   =  [n__u()]                                              
                                                                                            

Further, it can be verified that all rules not oriented are covered by the weightgap condition.

We are left with following problem, upon which TcT provides the
certificate YES(O(1),O(n^2)).

Strict Trs:
  { activate(n____(X1, X2)) -> __(activate(X1), activate(X2)) }
Weak Trs:
  { __(X1, X2) -> n____(X1, X2)
  , nil() -> n__nil()
  , and(tt(), X) -> activate(X)
  , activate(X) -> X
  , activate(n__nil()) -> nil()
  , activate(n__isList(X)) -> isList(X)
  , activate(n__isNeList(X)) -> isNeList(X)
  , activate(n__isPal(X)) -> isPal(X)
  , activate(n__a()) -> a()
  , activate(n__e()) -> e()
  , activate(n__i()) -> i()
  , activate(n__o()) -> o()
  , activate(n__u()) -> u()
  , isList(V) -> isNeList(activate(V))
  , isList(X) -> n__isList(X)
  , isList(n__nil()) -> tt()
  , isList(n____(V1, V2)) ->
    and(isList(activate(V1)), n__isList(activate(V2)))
  , isNeList(V) -> isQid(activate(V))
  , isNeList(X) -> n__isNeList(X)
  , isNeList(n____(V1, V2)) ->
    and(isList(activate(V1)), n__isNeList(activate(V2)))
  , isNeList(n____(V1, V2)) ->
    and(isNeList(activate(V1)), n__isList(activate(V2)))
  , isQid(n__a()) -> tt()
  , isQid(n__e()) -> tt()
  , isQid(n__i()) -> tt()
  , isQid(n__o()) -> tt()
  , isQid(n__u()) -> tt()
  , isNePal(V) -> isQid(activate(V))
  , isNePal(n____(I, n____(P, I))) ->
    and(isQid(activate(I)), n__isPal(activate(P)))
  , isPal(V) -> isNePal(activate(V))
  , isPal(X) -> n__isPal(X)
  , isPal(n__nil()) -> tt()
  , a() -> n__a()
  , e() -> n__e()
  , i() -> n__i()
  , o() -> n__o()
  , u() -> n__u() }
Obligation:
  innermost runtime complexity
Answer:
  YES(O(1),O(n^2))

We use the processor 'matrix interpretation of dimension 2' to
orient following rules strictly.

Trs: { activate(n____(X1, X2)) -> __(activate(X1), activate(X2)) }

The induced complexity on above rules (modulo remaining rules) is
YES(?,O(n^2)) . These rules are moved into the corresponding weak
component(s).

Sub-proof:
----------
  The following argument positions are usable:
    Uargs(__) = {1, 2}, Uargs(and) = {1, 2}, Uargs(isList) = {1},
    Uargs(isNeList) = {1}, Uargs(n__isList) = {1}, Uargs(isQid) = {1},
    Uargs(n__isNeList) = {1}, Uargs(isNePal) = {1},
    Uargs(n__isPal) = {1}
  
  TcT has computed the following constructor-based matrix
  interpretation satisfying not(EDA).
  
         [__](x1, x2) = [1 3] x1 + [1 2] x2 + [0]
                        [0 1]      [0 1]      [3]
                                                 
                [nil] = [1]                      
                        [0]                      
                                                 
        [and](x1, x2) = [1 1] x1 + [1 2] x2 + [0]
                        [0 0]      [0 1]      [0]
                                                 
                 [tt] = [4]                      
                        [0]                      
                                                 
       [activate](x1) = [1 1] x1 + [2]           
                        [0 1]      [0]           
                                                 
         [isList](x1) = [1 3] x1 + [4]           
                        [0 0]      [0]           
                                                 
       [isNeList](x1) = [1 2] x1 + [2]           
                        [0 0]      [0]           
                                                 
             [n__nil] = [0]                      
                        [0]                      
                                                 
      [n____](x1, x2) = [1 3] x1 + [1 2] x2 + [0]
                        [0 1]      [0 1]      [3]
                                                 
      [n__isList](x1) = [1 3] x1 + [2]           
                        [0 0]      [0]           
                                                 
          [isQid](x1) = [1 0] x1 + [0]           
                        [0 0]      [0]           
                                                 
    [n__isNeList](x1) = [1 2] x1 + [0]           
                        [0 0]      [0]           
                                                 
        [isNePal](x1) = [1 1] x1 + [3]           
                        [0 0]      [1]           
                                                 
       [n__isPal](x1) = [1 2] x1 + [3]           
                        [0 0]      [1]           
                                                 
          [isPal](x1) = [1 2] x1 + [5]           
                        [0 0]      [1]           
                                                 
               [n__a] = [4]                      
                        [2]                      
                                                 
               [n__e] = [4]                      
                        [2]                      
                                                 
               [n__i] = [4]                      
                        [0]                      
                                                 
               [n__o] = [4]                      
                        [0]                      
                                                 
               [n__u] = [4]                      
                        [0]                      
                                                 
                  [a] = [4]                      
                        [2]                      
                                                 
                  [e] = [4]                      
                        [2]                      
                                                 
                  [i] = [5]                      
                        [0]                      
                                                 
                  [o] = [5]                      
                        [0]                      
                                                 
                  [u] = [5]                      
                        [0]                      
  
  The order satisfies the following ordering constraints:
  
                        [__(X1, X2)] =  [1 3] X1 + [1 2] X2 + [0]                             
                                        [0 1]      [0 1]      [3]                             
                                     >= [1 3] X1 + [1 2] X2 + [0]                             
                                        [0 1]      [0 1]      [3]                             
                                     =  [n____(X1, X2)]                                       
                                                                                              
                             [nil()] =  [1]                                                   
                                        [0]                                                   
                                     >  [0]                                                   
                                        [0]                                                   
                                     =  [n__nil()]                                            
                                                                                              
                      [and(tt(), X)] =  [1 2] X + [4]                                         
                                        [0 1]     [0]                                         
                                     >  [1 1] X + [2]                                         
                                        [0 1]     [0]                                         
                                     =  [activate(X)]                                         
                                                                                              
                       [activate(X)] =  [1 1] X + [2]                                         
                                        [0 1]     [0]                                         
                                     >  [1 0] X + [0]                                         
                                        [0 1]     [0]                                         
                                     =  [X]                                                   
                                                                                              
                [activate(n__nil())] =  [2]                                                   
                                        [0]                                                   
                                     >  [1]                                                   
                                        [0]                                                   
                                     =  [nil()]                                               
                                                                                              
           [activate(n____(X1, X2))] =  [1 4] X1 + [1 3] X2 + [5]                             
                                        [0 1]      [0 1]      [3]                             
                                     >  [1 4] X1 + [1 3] X2 + [4]                             
                                        [0 1]      [0 1]      [3]                             
                                     =  [__(activate(X1), activate(X2))]                      
                                                                                              
            [activate(n__isList(X))] =  [1 3] X + [4]                                         
                                        [0 0]     [0]                                         
                                     >= [1 3] X + [4]                                         
                                        [0 0]     [0]                                         
                                     =  [isList(X)]                                           
                                                                                              
          [activate(n__isNeList(X))] =  [1 2] X + [2]                                         
                                        [0 0]     [0]                                         
                                     >= [1 2] X + [2]                                         
                                        [0 0]     [0]                                         
                                     =  [isNeList(X)]                                         
                                                                                              
             [activate(n__isPal(X))] =  [1 2] X + [6]                                         
                                        [0 0]     [1]                                         
                                     >  [1 2] X + [5]                                         
                                        [0 0]     [1]                                         
                                     =  [isPal(X)]                                            
                                                                                              
                  [activate(n__a())] =  [8]                                                   
                                        [2]                                                   
                                     >  [4]                                                   
                                        [2]                                                   
                                     =  [a()]                                                 
                                                                                              
                  [activate(n__e())] =  [8]                                                   
                                        [2]                                                   
                                     >  [4]                                                   
                                        [2]                                                   
                                     =  [e()]                                                 
                                                                                              
                  [activate(n__i())] =  [6]                                                   
                                        [0]                                                   
                                     >  [5]                                                   
                                        [0]                                                   
                                     =  [i()]                                                 
                                                                                              
                  [activate(n__o())] =  [6]                                                   
                                        [0]                                                   
                                     >  [5]                                                   
                                        [0]                                                   
                                     =  [o()]                                                 
                                                                                              
                  [activate(n__u())] =  [6]                                                   
                                        [0]                                                   
                                     >  [5]                                                   
                                        [0]                                                   
                                     =  [u()]                                                 
                                                                                              
                         [isList(V)] =  [1 3] V + [4]                                         
                                        [0 0]     [0]                                         
                                     >= [1 3] V + [4]                                         
                                        [0 0]     [0]                                         
                                     =  [isNeList(activate(V))]                               
                                                                                              
                         [isList(X)] =  [1 3] X + [4]                                         
                                        [0 0]     [0]                                         
                                     >  [1 3] X + [2]                                         
                                        [0 0]     [0]                                         
                                     =  [n__isList(X)]                                        
                                                                                              
                  [isList(n__nil())] =  [4]                                                   
                                        [0]                                                   
                                     >= [4]                                                   
                                        [0]                                                   
                                     =  [tt()]                                                
                                                                                              
             [isList(n____(V1, V2))] =  [1 6] V1 + [1 5] V2 + [13]                            
                                        [0 0]      [0 0]      [0]                             
                                     >  [1 4] V1 + [1 4] V2 + [10]                            
                                        [0 0]      [0 0]      [0]                             
                                     =  [and(isList(activate(V1)), n__isList(activate(V2)))]  
                                                                                              
                       [isNeList(V)] =  [1 2] V + [2]                                         
                                        [0 0]     [0]                                         
                                     >= [1 1] V + [2]                                         
                                        [0 0]     [0]                                         
                                     =  [isQid(activate(V))]                                  
                                                                                              
                       [isNeList(X)] =  [1 2] X + [2]                                         
                                        [0 0]     [0]                                         
                                     >  [1 2] X + [0]                                         
                                        [0 0]     [0]                                         
                                     =  [n__isNeList(X)]                                      
                                                                                              
           [isNeList(n____(V1, V2))] =  [1 5] V1 + [1 4] V2 + [8]                             
                                        [0 0]      [0 0]      [0]                             
                                     >= [1 4] V1 + [1 3] V2 + [8]                             
                                        [0 0]      [0 0]      [0]                             
                                     =  [and(isList(activate(V1)), n__isNeList(activate(V2)))]
                                                                                              
           [isNeList(n____(V1, V2))] =  [1 5] V1 + [1 4] V2 + [8]                             
                                        [0 0]      [0 0]      [0]                             
                                     >= [1 3] V1 + [1 4] V2 + [8]                             
                                        [0 0]      [0 0]      [0]                             
                                     =  [and(isNeList(activate(V1)), n__isList(activate(V2)))]
                                                                                              
                     [isQid(n__a())] =  [4]                                                   
                                        [0]                                                   
                                     >= [4]                                                   
                                        [0]                                                   
                                     =  [tt()]                                                
                                                                                              
                     [isQid(n__e())] =  [4]                                                   
                                        [0]                                                   
                                     >= [4]                                                   
                                        [0]                                                   
                                     =  [tt()]                                                
                                                                                              
                     [isQid(n__i())] =  [4]                                                   
                                        [0]                                                   
                                     >= [4]                                                   
                                        [0]                                                   
                                     =  [tt()]                                                
                                                                                              
                     [isQid(n__o())] =  [4]                                                   
                                        [0]                                                   
                                     >= [4]                                                   
                                        [0]                                                   
                                     =  [tt()]                                                
                                                                                              
                     [isQid(n__u())] =  [4]                                                   
                                        [0]                                                   
                                     >= [4]                                                   
                                        [0]                                                   
                                     =  [tt()]                                                
                                                                                              
                        [isNePal(V)] =  [1 1] V + [3]                                         
                                        [0 0]     [1]                                         
                                     >  [1 1] V + [2]                                         
                                        [0 0]     [0]                                         
                                     =  [isQid(activate(V))]                                  
                                                                                              
    [isNePal(n____(I, n____(P, I)))] =  [2 9] I + [1 6] P + [15]                              
                                        [0 0]     [0 0]     [1]                               
                                     >  [1 1] I + [1 3] P + [9]                               
                                        [0 0]     [0 0]     [1]                               
                                     =  [and(isQid(activate(I)), n__isPal(activate(P)))]      
                                                                                              
                          [isPal(V)] =  [1 2] V + [5]                                         
                                        [0 0]     [1]                                         
                                     >= [1 2] V + [5]                                         
                                        [0 0]     [1]                                         
                                     =  [isNePal(activate(V))]                                
                                                                                              
                          [isPal(X)] =  [1 2] X + [5]                                         
                                        [0 0]     [1]                                         
                                     >  [1 2] X + [3]                                         
                                        [0 0]     [1]                                         
                                     =  [n__isPal(X)]                                         
                                                                                              
                   [isPal(n__nil())] =  [5]                                                   
                                        [1]                                                   
                                     >  [4]                                                   
                                        [0]                                                   
                                     =  [tt()]                                                
                                                                                              
                               [a()] =  [4]                                                   
                                        [2]                                                   
                                     >= [4]                                                   
                                        [2]                                                   
                                     =  [n__a()]                                              
                                                                                              
                               [e()] =  [4]                                                   
                                        [2]                                                   
                                     >= [4]                                                   
                                        [2]                                                   
                                     =  [n__e()]                                              
                                                                                              
                               [i()] =  [5]                                                   
                                        [0]                                                   
                                     >  [4]                                                   
                                        [0]                                                   
                                     =  [n__i()]                                              
                                                                                              
                               [o()] =  [5]                                                   
                                        [0]                                                   
                                     >  [4]                                                   
                                        [0]                                                   
                                     =  [n__o()]                                              
                                                                                              
                               [u()] =  [5]                                                   
                                        [0]                                                   
                                     >  [4]                                                   
                                        [0]                                                   
                                     =  [n__u()]                                              
                                                                                              

We return to the main proof.

We are left with following problem, upon which TcT provides the
certificate YES(O(1),O(1)).

Weak Trs:
  { __(X1, X2) -> n____(X1, X2)
  , nil() -> n__nil()
  , and(tt(), X) -> activate(X)
  , activate(X) -> X
  , activate(n__nil()) -> nil()
  , activate(n____(X1, X2)) -> __(activate(X1), activate(X2))
  , activate(n__isList(X)) -> isList(X)
  , activate(n__isNeList(X)) -> isNeList(X)
  , activate(n__isPal(X)) -> isPal(X)
  , activate(n__a()) -> a()
  , activate(n__e()) -> e()
  , activate(n__i()) -> i()
  , activate(n__o()) -> o()
  , activate(n__u()) -> u()
  , isList(V) -> isNeList(activate(V))
  , isList(X) -> n__isList(X)
  , isList(n__nil()) -> tt()
  , isList(n____(V1, V2)) ->
    and(isList(activate(V1)), n__isList(activate(V2)))
  , isNeList(V) -> isQid(activate(V))
  , isNeList(X) -> n__isNeList(X)
  , isNeList(n____(V1, V2)) ->
    and(isList(activate(V1)), n__isNeList(activate(V2)))
  , isNeList(n____(V1, V2)) ->
    and(isNeList(activate(V1)), n__isList(activate(V2)))
  , isQid(n__a()) -> tt()
  , isQid(n__e()) -> tt()
  , isQid(n__i()) -> tt()
  , isQid(n__o()) -> tt()
  , isQid(n__u()) -> tt()
  , isNePal(V) -> isQid(activate(V))
  , isNePal(n____(I, n____(P, I))) ->
    and(isQid(activate(I)), n__isPal(activate(P)))
  , isPal(V) -> isNePal(activate(V))
  , isPal(X) -> n__isPal(X)
  , isPal(n__nil()) -> tt()
  , a() -> n__a()
  , e() -> n__e()
  , i() -> n__i()
  , o() -> n__o()
  , u() -> n__u() }
Obligation:
  innermost runtime complexity
Answer:
  YES(O(1),O(1))

Empty rules are trivially bounded

Hurray, we answered YES(O(1),O(n^2))