\begin{tabular}{lrrr}
\toprule
variant & violation frac. & $\mathcal{L}_{\mathrm{sup}}$ & mean NLL/dim \\
\midrule
original & 0.187 & 0.0208 & 1.184 \\
no support ($\lambda_{\mathrm{sup}}=0$) & 0.652 & 0.2488 & 1.732 \\
terminal-only ($\alpha=0$) & 0.149 & 0.0139 & 1.144 \\
\textbf{arrival+hold} ($\lambda_h=0.5$) & 0.208 & 0.0444 & 1.253 \\
\midrule
\multicolumn{4}{l}{\footnotesize threshold $c_{95}=1.5306$ (95th percentile of demonstration NLL/dim)} \\
\bottomrule
\end{tabular}