(including intermediate states) of the composed system (so the product
construction of the three automata) showing a train approaching and finally
leaving the gate.}
-\includegraphics[width=\linewidth]{1a}
+\begin{figure}[h]
+ \centering
+ \includegraphics[width=.3\linewidth]{1a}
+ \caption{Timed transitions of the composed system}
+\end{figure}
\subsection*{1.b}
\emph{Consider the timed automaton in figure 1 of the paper ”Timed Automata” by