nonnegLong[i][j] = randomNonNegativeBigInteger(Long.SIZE - 2).longValue();
      }
      do {
        for (int j = 0; j < 2; j++) {
          intsToAdd[i][j] = randomBigInteger(Integer.SIZE - 2).intValue();
        }
      } while (!Impl.GUAVA.noAddOverflow(intsToAdd[i][0], intsToAdd[i][1]));
      do {
        for (int j = 0; j < 2; j++) {
          longsToAdd[i][j] = randomBigInteger(Long.SIZE - 2).longValue();
        }