LUB.java

import org.checkerframework.common.value.qual.BottomVal;
import org.checkerframework.common.value.qual.MinLen;

public class LUB {

    public static void MinLen(int @MinLen(10) [] arg, int @MinLen(4) [] arg2) {
        int[] arr;
        if (true) {
            arr = arg;
        } else {
            arr = arg2;
        }
        //:: error: (assignment.type.incompatible)
        int @MinLen(10) [] res = arr;
        int @MinLen(4) [] res2 = arr;
        //:: error: (assignment.type.incompatible)
        int @BottomVal [] res3 = arr;
    }

    public static void Bottom(int @BottomVal [] arg, int @MinLen(4) [] arg2) {
        int[] arr;
        if (true) {
            arr = arg;
        } else {
            arr = arg2;
        }
        //:: error: (assignment.type.incompatible)
        int @MinLen(10) [] res = arr;
        int @MinLen(4) [] res2 = arr;
        //:: error: (assignment.type.incompatible)
        int @BottomVal [] res3 = arr;
    }

    public static void BothBottom(int @BottomVal [] arg, int @BottomVal [] arg2) {
        int[] arr;
        if (true) {
            arr = arg;
        } else {
            arr = arg2;
        }
        int @MinLen(10) [] res = arr;
        int @BottomVal [] res2 = arr;
    }
}