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 3428.215 msec.}
{preprocessed for plai in 0.0 msec.}
{analyzed by plai using det with local-control off in 4.001 msec.}
{written file /tmp/tmpDZQCfl/length1_det_co.pl}
:- module(_1,[len1/2],[assertions]).

:- entry len1(A,B)
         : ground(A).

:- true pred len1(A,B)
         : ( native_props:mshare([[B]]), ground([A]), gnd(A), term(B) )
        => ( ground([A,B]), rt16(A), rt19(B) )
         + ( is_det, mut_exclusive ).

:- true pred len1(A,B)
         : ( native_props:mshare([[B]]), var(B), ground([A]), gnd(A), term(B) )
        => ( ground([A,B]), rt8(A), rt10(B) )
         + ( is_det, mut_exclusive ).

len1([],0).
len1([_1|Ts],N) :-
        len1(Ts,M),
        eq(N,s(M)).

:- true pred eq(X,s(_1))
         : ( native_props:mshare([[X]]), ground([_1]), term(X), rt10(_1) )
        => ( ground([X,_1]), rt12(X), rt10(_1) )
         + ( is_det, mut_exclusive ).

:- true pred eq(X,s(_1))
         : ( native_props:mshare([[X]]), var(X), ground([_1]), term(X), rt3(_1) )
        => ( ground([X,_1]), rt4(X), rt3(_1) )
         + ( is_det, mut_exclusive ).

eq(X,X).


:- regtype rt18/1.

rt18([]).
rt18([A|B]) :-
        gnd(A),
        rt9(B).


:- regtype rt17/1.

rt17([]).
rt17([A|B]) :-
        gnd(A),
        rt18(B).


:- regtype rt16/1.

rt16([]).
rt16([A|B]) :-
        gnd(A),
        rt17(B).


:- regtype rt21/1.

rt21(0).
rt21(s(A)) :-
        rt21(A).


:- regtype rt20/1.

rt20(0).
rt20(s(A)) :-
        rt21(A).


:- regtype rt19/1.

rt19(0).
rt19(s(A)) :-
        rt20(A).


:- regtype rt11/1.

rt11(0).
rt11(s(A)) :-
        rt11(A).


:- regtype rt10/1.

rt10(0).
rt10(s(A)) :-
        rt11(A).


:- regtype rt12/1.

rt12(s(A)) :-
        rt10(A).


:- regtype rt9/1.

rt9([]).
rt9([A|B]) :-
        gnd(A),
        rt9(B).


:- regtype rt8/1.

rt8([]).
rt8([A|B]) :-
        gnd(A),
        rt9(B).


:- regtype rt3/1.

rt3(0).


:- regtype rt4/1.

rt4(s(A)) :-
        rt3(A).