Ciao Preprocessor (integrated Alpha version)
 | This is an alpha distribution, meant only for testing. Please do let us 
 | know at ciaopp-bugclip.dia.fi.upm.es any problems you may have.

{loaded in 3364.21 msec.}
{preprocessed for plai in 0.0 msec.}
{analyzed by plai using det with local-control off in 4.001 msec.}
{written file /tmp/tmp69hrs2/flatlength-bff_det_co.pl}
:- module(_1,[fl/3],[assertions]).

:- entry fl(A,B,C)
         : ground(A).

:- true pred fl(A,B,C)
         : ( native_props:mshare([[B],[B,C],[C]]), ground([A]), gnd(A), term(B), term(C) )
        => ( ground([A,B,C]), rt13(A), term(B), rt17(C) )
         + ( is_det, mut_exclusive ).

fl([],[],0).
fl([E|X],R,s(Z)) :-
        append(E,Y,R),
        fl(X,Y,Z).

:- true pred append(_1,X,_2)
         : ( native_props:mshare([[X],[_2]]), var(X), ground([_1]), gnd(_1), term(X), term(_2) )
        => ( native_props:mshare([[X,_2]]), ground([_1]), rt7(_1), term(X), term(_2) )
         + ( is_det, mut_exclusive ).

append([],X,X).
append([X|Xs],Ys,[X|Zs]) :-
        append(Xs,Ys,Zs).


:- regtype rt16/1.

rt16([]).
rt16([A|B]) :-
        gnd(A),
        rt8(B).


:- regtype rt15/1.

rt15([]).
rt15([A|B]) :-
        gnd(A),
        rt16(B).


:- regtype rt14/1.

rt14([]).
rt14([A|B]) :-
        rt15(A),
        rt14(B).


:- regtype rt13/1.

rt13([]).
rt13([A|B]) :-
        rt15(A),
        rt14(B).


:- regtype rt18/1.

rt18(0).
rt18(s(A)) :-
        rt18(A).


:- regtype rt17/1.

rt17(0).
rt17(s(A)) :-
        rt18(A).


:- regtype rt8/1.

rt8([]).
rt8([A|B]) :-
        gnd(A),
        rt8(B).


:- regtype rt7/1.

rt7([]).
rt7([A|B]) :-
        gnd(A),
        rt8(B).