added small Java example : SumPositive

ui/src/main/java/edu/kit/iti/formal/psdbg/examples/java/sumPositive/SumPositiveExample.java

+package edu.kit.iti.formal.psdbg.examples.java.sumPositive;
+
+import edu.kit.iti.formal.psdbg.examples.JavaExample;
+
+public class SumPositiveExample extends JavaExample {
+
+    public SumPositiveExample () {
+
+    setName("SumPositive example");
+
+    setJavaFile(getClass().
+
+    getResource("SumPositive.java"));
+
+    setScriptFile(getClass().
+
+    getResource("script.kps"));
+    }
+}
+

ui/src/main/resources/META-INF/services/edu.kit.iti.formal.psdbg.examples.Example

@@ -5,6 +5,7 @@ edu.kit.iti.formal.psdbg.examples.java.maxtriplet.MaxTripletExample
 #edu.kit.iti.formal.psdbg.examples.java.transitive.PaperExample
 #edu.kit.iti.formal.psdbg.examples.java.dpqs.DualPivotExample
 edu.kit.iti.formal.psdbg.examples.java.quicksort.QuickSort
+edu.kit.iti.formal.psdbg.examples.java.sumPositive.SumPositiveExample
 edu.kit.iti.formal.psdbg.examples.agatha.AgathaExample
 #edu.kit.iti.formal.psdbg.examples.java.bubbleSort.BubbleSortExample
 #edu.kit.iti.formal.psdbg.examples.java.sumAndMax.SumAndMaxExample

ui/src/main/resources/edu/kit/iti/formal/psdbg/examples/java/sumPositive/SumPositive.java

+package edu.kit.iti.formal.psdbg.examples.java.sumPositive;
+
+public class SumPositive{
+
+/*@ public normal_behaviour
+  @ requires a != null;
+  @ ensures \result >= 0;
+  @*/
+	public int sumPositiveArray(int[] a) {
+		int sum = 0;
+
+        /*@
+          @ loop_invariant 0 <= i && i <= a.length;
+          @ loop_invariant \old(sum) <= sum;
+          @ decreases a.length - i;
+          @ assignable sum;
+          @*/
+		for (int i = 0; i < a.length; i++) {
+			if(a[i] >= 0) {
+				sum += a[i];
+			} 
+		}
+
+		return sum;
+
+	}
+
+
+
+}
\ No newline at end of file

ui/src/main/resources/edu/kit/iti/formal/psdbg/examples/java/sumPositive/script.kps

+
+script s() {
+	symbex;
+}
+
+