Termination proof

1: switching to dependency pairs

The following set of initial dependency pairs has been identified.

active#( app( cons( X , XS ) , YS ) ) cons#( X , app( XS , YS ) )
active#( app( cons( X , XS ) , YS ) ) app#( XS , YS )
active#( from( X ) ) cons#( X , from( s( X ) ) )
active#( from( X ) ) from#( s( X ) )
active#( from( X ) ) s#( X )
active#( zWadr( cons( X , XS ) , cons( Y , YS ) ) ) cons#( app( Y , cons( X , nil ) ) , zWadr( XS , YS ) )
active#( zWadr( cons( X , XS ) , cons( Y , YS ) ) ) app#( Y , cons( X , nil ) )
active#( zWadr( cons( X , XS ) , cons( Y , YS ) ) ) cons#( X , nil )
active#( zWadr( cons( X , XS ) , cons( Y , YS ) ) ) zWadr#( XS , YS )
active#( prefix( L ) ) cons#( nil , zWadr( L , prefix( L ) ) )
active#( prefix( L ) ) zWadr#( L , prefix( L ) )
active#( prefix( L ) ) prefix#( L )
active#( app( X1 , X2 ) ) app#( active( X1 ) , X2 )
active#( app( X1 , X2 ) ) active#( X1 )
active#( app( X1 , X2 ) ) app#( X1 , active( X2 ) )
active#( app( X1 , X2 ) ) active#( X2 )
active#( cons( X1 , X2 ) ) cons#( active( X1 ) , X2 )
active#( cons( X1 , X2 ) ) active#( X1 )
active#( from( X ) ) from#( active( X ) )
active#( from( X ) ) active#( X )
active#( s( X ) ) s#( active( X ) )
active#( s( X ) ) active#( X )
active#( zWadr( X1 , X2 ) ) zWadr#( active( X1 ) , X2 )
active#( zWadr( X1 , X2 ) ) active#( X1 )
active#( zWadr( X1 , X2 ) ) zWadr#( X1 , active( X2 ) )
active#( zWadr( X1 , X2 ) ) active#( X2 )
active#( prefix( X ) ) prefix#( active( X ) )
active#( prefix( X ) ) active#( X )
app#( mark( X1 ) , X2 ) app#( X1 , X2 )
app#( X1 , mark( X2 ) ) app#( X1 , X2 )
cons#( mark( X1 ) , X2 ) cons#( X1 , X2 )
from#( mark( X ) ) from#( X )
s#( mark( X ) ) s#( X )
zWadr#( mark( X1 ) , X2 ) zWadr#( X1 , X2 )
zWadr#( X1 , mark( X2 ) ) zWadr#( X1 , X2 )
prefix#( mark( X ) ) prefix#( X )
proper#( app( X1 , X2 ) ) app#( proper( X1 ) , proper( X2 ) )
proper#( app( X1 , X2 ) ) proper#( X1 )
proper#( app( X1 , X2 ) ) proper#( X2 )
proper#( cons( X1 , X2 ) ) cons#( proper( X1 ) , proper( X2 ) )
proper#( cons( X1 , X2 ) ) proper#( X1 )
proper#( cons( X1 , X2 ) ) proper#( X2 )
proper#( from( X ) ) from#( proper( X ) )
proper#( from( X ) ) proper#( X )
proper#( s( X ) ) s#( proper( X ) )
proper#( s( X ) ) proper#( X )
proper#( zWadr( X1 , X2 ) ) zWadr#( proper( X1 ) , proper( X2 ) )
proper#( zWadr( X1 , X2 ) ) proper#( X1 )
proper#( zWadr( X1 , X2 ) ) proper#( X2 )
proper#( prefix( X ) ) prefix#( proper( X ) )
proper#( prefix( X ) ) proper#( X )
app#( ok( X1 ) , ok( X2 ) ) app#( X1 , X2 )
cons#( ok( X1 ) , ok( X2 ) ) cons#( X1 , X2 )
from#( ok( X ) ) from#( X )
s#( ok( X ) ) s#( X )
zWadr#( ok( X1 ) , ok( X2 ) ) zWadr#( X1 , X2 )
prefix#( ok( X ) ) prefix#( X )
top#( mark( X ) ) top#( proper( X ) )
top#( mark( X ) ) proper#( X )
top#( ok( X ) ) top#( active( X ) )
top#( ok( X ) ) active#( X )

1.1: dependency graph processor

The dependency pairs are split into 9 component(s).