Changed the Unary operator to give pre increment than post increment.

mutants/mutant-4/swen90006/machine/Machine.java

@@ -298,6 +298,6 @@ public class Machine
    * get the number of instructions successfully executed by the VM so far
    */
   public int getCount(){
-	  return count++; // Unary Operator
+	  return ++count; // Unary Operator
   }
 }