predicate fzn_geost_nonoverlap_k( array[int] of var int : x1, array[int] of int : w1, array[int] of var int : x2, array[int] of int : w2 ) = % Non-overlap constraint exists(j in index_set(x1))( x1[j] + w1[j] <= x2[j] \/ x2[j] + w2[j] <= x1[j] );