fixed one testcase and updated key version

rt-key/src/main/java/edu/kit/iti/formal/psdbg/interpreter/KeyEvaluator.java

@@ -44,11 +44,13 @@ public class KeyEvaluator extends Evaluator<KeyData> {
             while (m.find()) {
                 String name = m.group().substring(1); // remove trailing '?'
                 Expression t = expr.getSubstitution().get(m.group());
-
-                //either evalute the substitent or find ?X in the
+                System.out.println("t = " + t);
+                //either evaluate the substitent or find ?X in the
                 String newVal = "";
-                if (t != null)
+                if (t != null) {
                     newVal = ((Value) t.accept(this)).getData().toString();
+                    m.appendReplacement(newTerm, newVal);
+                }
                 else
                     // newVal = state.getValue(new Variable(name)).getData().toString();
                     m.appendReplacement(newTerm, newVal);

rt-key/src/test/java/edu/kit/iti/formal/psdbg/interpreter/ExecuteTest.java

@@ -92,11 +92,11 @@ public class ExecuteTest {
 
 
     }
-
+//with current version not working anymore...
     @Test
     public void testInstantiate() throws IOException, ParseException, ParserException {
-        File proof = new File("/home/sarah/Documents/KIT_Mitarbeiter/ProofScriptingLanguage/bigIntProof/compareMagnitude_openCases.key.proof");
-        File script = new File("/home/sarah/Documents/KIT_Mitarbeiter/ProofScriptingLanguage/bigIntProof/instAll.kps");
+        File proof = new File("../bigIntProof/compareMagnitude_openCases.key.proof");
+        File script = new File("../bigIntProof/instAll.kps");
         Assume.assumeTrue(proof.exists()); //
         Execute exec = create(proof.getAbsolutePath(), "-s", script.getAbsolutePath());
         Interpreter<KeyData> i = exec.run();