predicate fzn_dpath_reif(array[int] of $$N: from, array[int] of $$N: to,
                         var $$N: s, var $$N: t, array[$$N] of var bool: ns, array[int] of var bool: es, var bool: b) =
  abort("Reified dpath constraint is not supported");
  
%-----------------------------------------------------------------------------%
