Update samples/AddLoop-v3.java

samples/AddLoop-v3.java

@@ -4,7 +4,8 @@ public class AddLoop {
         int sum = x;
         if (y > 0) {
             int n = y;
-            //@ maintaining sum == x + (y - n) && n >= 0;
+            //@ maintaining sum == x + (y - n);
+            //@ maintaining n >= 0;
             //@ decreases n;
             while (n > 0) {
                 sum = sum + 1;
@@ -12,7 +13,8 @@ public class AddLoop {
             }
         } else {
             int n = -y;
-            //@ maintaining sum == x + (y + n) && n >= 0;  
+            //@ maintaining sum == x + (y + n);
+            //@ maintaining n >= 0;  
             //@ decreases n;
             while (n > 0) {
                 sum = sum - 1;