* Step 1: WeightGap WORST_CASE(?,O(n^2))
    + Considered Problem:
        - Strict TRS:
            +(x,0()) -> x
            +(x,s(y)) -> s(+(x,y))
            f(0()) -> 1()
            f(s(x)) -> g(x,s(x))
            g(0(),y) -> y
            g(s(x),y) -> g(x,+(y,s(x)))
            g(s(x),y) -> g(x,s(+(y,x)))
        - Signature:
            {+/2,f/1,g/2} / {0/0,1/0,s/1}
        - Obligation:
             runtime complexity wrt. defined symbols {+,f,g} and constructors {0,1,s}
    + Applied Processor:
        WeightGap {wgDimension = 1, wgDegree = 1, wgKind = Algebraic, wgUArgs = UArgs, wgOn = WgOnAny}
    + Details:
        The weightgap principle applies using the following nonconstant growth matrix-interpretation:
          We apply a matrix interpretation of kind constructor based matrix interpretation:
          The following argument positions are considered usable:
            uargs(+) = {1},
            uargs(g) = {2},
            uargs(s) = {1}
          
          Following symbols are considered usable:
            all
          TcT has computed the following interpretation:
            p(+) = [1] x1 + [10]        
            p(0) = [0]                  
            p(1) = [2]                  
            p(f) = [8] x1 + [0]         
            p(g) = [7] x1 + [1] x2 + [0]
            p(s) = [1] x1 + [3]         
          
          Following rules are strictly oriented:
           +(x,0()) = [1] x + [10]        
                    > [1] x + [0]         
                    = x                   
          
            f(s(x)) = [8] x + [24]        
                    > [8] x + [3]         
                    = g(x,s(x))           
          
          g(s(x),y) = [7] x + [1] y + [21]
                    > [7] x + [1] y + [10]
                    = g(x,+(y,s(x)))      
          
          g(s(x),y) = [7] x + [1] y + [21]
                    > [7] x + [1] y + [13]
                    = g(x,s(+(y,x)))      
          
          
          Following rules are (at-least) weakly oriented:
          +(x,s(y)) =  [1] x + [10]
                    >= [1] x + [13]
                    =  s(+(x,y))   
          
             f(0()) =  [0]         
                    >= [2]         
                    =  1()         
          
           g(0(),y) =  [1] y + [0] 
                    >= [1] y + [0] 
                    =  y           
          
        Further, it can be verified that all rules not oriented are covered by the weightgap condition.
* Step 2: WeightGap WORST_CASE(?,O(n^2))
    + Considered Problem:
        - Strict TRS:
            +(x,s(y)) -> s(+(x,y))
            f(0()) -> 1()
            g(0(),y) -> y
        - Weak TRS:
            +(x,0()) -> x
            f(s(x)) -> g(x,s(x))
            g(s(x),y) -> g(x,+(y,s(x)))
            g(s(x),y) -> g(x,s(+(y,x)))
        - Signature:
            {+/2,f/1,g/2} / {0/0,1/0,s/1}
        - Obligation:
             runtime complexity wrt. defined symbols {+,f,g} and constructors {0,1,s}
    + Applied Processor:
        WeightGap {wgDimension = 1, wgDegree = 1, wgKind = Algebraic, wgUArgs = UArgs, wgOn = WgOnAny}
    + Details:
        The weightgap principle applies using the following nonconstant growth matrix-interpretation:
          We apply a matrix interpretation of kind constructor based matrix interpretation:
          The following argument positions are considered usable:
            uargs(+) = {1},
            uargs(g) = {2},
            uargs(s) = {1}
          
          Following symbols are considered usable:
            all
          TcT has computed the following interpretation:
            p(+) = [1] x1 + [0]
            p(0) = [0]         
            p(1) = [0]         
            p(f) = [1] x1 + [1]
            p(g) = [1] x2 + [1]
            p(s) = [1] x1 + [0]
          
          Following rules are strictly oriented:
            f(0()) = [1]        
                   > [0]        
                   = 1()        
          
          g(0(),y) = [1] y + [1]
                   > [1] y + [0]
                   = y          
          
          
          Following rules are (at-least) weakly oriented:
           +(x,0()) =  [1] x + [0]   
                    >= [1] x + [0]   
                    =  x             
          
          +(x,s(y)) =  [1] x + [0]   
                    >= [1] x + [0]   
                    =  s(+(x,y))     
          
            f(s(x)) =  [1] x + [1]   
                    >= [1] x + [1]   
                    =  g(x,s(x))     
          
          g(s(x),y) =  [1] y + [1]   
                    >= [1] y + [1]   
                    =  g(x,+(y,s(x)))
          
          g(s(x),y) =  [1] y + [1]   
                    >= [1] y + [1]   
                    =  g(x,s(+(y,x)))
          
        Further, it can be verified that all rules not oriented are covered by the weightgap condition.
* Step 3: NaturalPI WORST_CASE(?,O(n^2))
    + Considered Problem:
        - Strict TRS:
            +(x,s(y)) -> s(+(x,y))
        - Weak TRS:
            +(x,0()) -> x
            f(0()) -> 1()
            f(s(x)) -> g(x,s(x))
            g(0(),y) -> y
            g(s(x),y) -> g(x,+(y,s(x)))
            g(s(x),y) -> g(x,s(+(y,x)))
        - Signature:
            {+/2,f/1,g/2} / {0/0,1/0,s/1}
        - Obligation:
             runtime complexity wrt. defined symbols {+,f,g} and constructors {0,1,s}
    + Applied Processor:
        NaturalPI {shape = Mixed 2, restrict = Restrict, uargs = UArgs, urules = URules, selector = Just any strict-rules}
    + Details:
        We apply a polynomial interpretation of kind constructor-based(mixed(2)):
        The following argument positions are considered usable:
          uargs(+) = {1},
          uargs(g) = {2},
          uargs(s) = {1}
        
        Following symbols are considered usable:
          all
        TcT has computed the following interpretation:
          p(+) = x1 + 2*x2               
          p(0) = 0                       
          p(1) = 0                       
          p(f) = 4 + x1 + 5*x1^2         
          p(g) = 1 + 5*x1 + 5*x1^2 + 5*x2
          p(s) = 1 + x1                  
        
        Following rules are strictly oriented:
        +(x,s(y)) = 2 + x + 2*y
                  > 1 + x + 2*y
                  = s(+(x,y))  
        
        
        Following rules are (at-least) weakly oriented:
         +(x,0()) =  x                      
                  >= x                      
                  =  x                      
        
           f(0()) =  4                      
                  >= 0                      
                  =  1()                    
        
          f(s(x)) =  10 + 11*x + 5*x^2      
                  >= 6 + 10*x + 5*x^2       
                  =  g(x,s(x))              
        
         g(0(),y) =  1 + 5*y                
                  >= y                      
                  =  y                      
        
        g(s(x),y) =  11 + 15*x + 5*x^2 + 5*y
                  >= 11 + 15*x + 5*x^2 + 5*y
                  =  g(x,+(y,s(x)))         
        
        g(s(x),y) =  11 + 15*x + 5*x^2 + 5*y
                  >= 6 + 15*x + 5*x^2 + 5*y 
                  =  g(x,s(+(y,x)))         
        
* Step 4: EmptyProcessor WORST_CASE(?,O(1))
    + Considered Problem:
        - Weak TRS:
            +(x,0()) -> x
            +(x,s(y)) -> s(+(x,y))
            f(0()) -> 1()
            f(s(x)) -> g(x,s(x))
            g(0(),y) -> y
            g(s(x),y) -> g(x,+(y,s(x)))
            g(s(x),y) -> g(x,s(+(y,x)))
        - Signature:
            {+/2,f/1,g/2} / {0/0,1/0,s/1}
        - Obligation:
             runtime complexity wrt. defined symbols {+,f,g} and constructors {0,1,s}
    + Applied Processor:
        EmptyProcessor
    + Details:
        The problem is already closed. The intended complexity is O(1).

WORST_CASE(?,O(n^2))