for (VisualControlRegister rPredNode : dfs.getRPreset(node, VisualControlRegister.class)) {
            BinaryRegisterStg rPredNodeStg = getControlRegisterStg(rPredNode);
            Connection connection = dfs.getConnection(rPredNode, node);
            if ((connection instanceof VisualControlConnection)
                    && ((VisualControlConnection) connection).getReferencedConnection().isInverting()) {