1 2array[int] of int: a = [1, 2, 3]; 3set of int: ia = index_set(a); 4 5array[int] of int: b = array1d(2..5, [1, 2, 3, 4]); 6set of int: ib = index_set(b); 7 8solve satisfy; 9 10output [ 11 "ia = ", show(ia), "\n", 12 "ib = ", show(ib), 13];