import org.checkerframework.checker.index.qual.*; public class IndexSameLen { public static void bug2() { int[] a = {1, 2, 3, 4, 5}; int @SameLen("a") [] b = a; @IndexFor("a") int i = 2; a[i] = b[i]; for (int j = 0; j < a.length; j++) { a[j] = b[j]; } } }