def step_over(self):
        """Take a forward step (over) for all active states in the state machine
        """
        logger.debug("Execution step over ...")
        self.run_to_states = []
        if self.finished_or_stopped():
            self.set_execution_mode(StateMachineExecutionStatus.FORWARD_OVER)
            self._run_active_state_machine()
        else:
            self.set_execution_mode(StateMachineExecutionStatus.FORWARD_OVER)