diff --git a/AlgebraicDataflowArchitectureModel/src/algorithm/UpdateConflictCheck.java b/AlgebraicDataflowArchitectureModel/src/algorithm/UpdateConflictCheck.java
index b09bf07..490a783 100644
--- a/AlgebraicDataflowArchitectureModel/src/algorithm/UpdateConflictCheck.java
+++ b/AlgebraicDataflowArchitectureModel/src/algorithm/UpdateConflictCheck.java
@@ -60,6 +60,7 @@
 				strongconnect(node);
 			}
 		}
-		return false;
+		System.out.println(strong.size() + " " +model.getResourceDependencyGraph().getNodes().size());
+		return strong.size() == 0;
 	}
 }
diff --git a/AlgebraicDataflowArchitectureModel/src/tests/UpdateConflictCheckTest.java b/AlgebraicDataflowArchitectureModel/src/tests/UpdateConflictCheckTest.java
index 469b7b0..5354b5b 100644
--- a/AlgebraicDataflowArchitectureModel/src/tests/UpdateConflictCheckTest.java
+++ b/AlgebraicDataflowArchitectureModel/src/tests/UpdateConflictCheckTest.java
@@ -96,6 +96,8 @@
 			System.out.println(e.getSource() + "->" + e.getDestination());
 		}
 		UpdateConflictCheck check = new UpdateConflictCheck();
-		check.run(model);
+		boolean f = check.run(model);
+		System.out.println(f);
+		assertEquals(true,f);
 	}
 }