The suspiciously flat bottomed cup just has to be an enhanced natural feature. No-one could peck such a flat cup.
Midway between the two panels, is a possible 'sname', (a shallow, fire-reddened bowl). Or something that looks like one. If they exist. Which they might not. And even if they do, they might not be archaeologically significant. And even if they are, they might not be prehistoric, let alone contemporary with the rock art.