checker/tests/index/ArrayCopy.java

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

public class ArrayCopy {

  void copy(int @MinLen(1) [] nums) {
    int[] nums_copy = new int[nums.length];
    System.arraycopy(nums, 0, nums_copy, 0, nums.length);
    nums = nums_copy;
  }
}