What do the profiler.out contents represent?

I've been working on a script that retrieves test code-coverage data from a profiler.out file. Now generating this file wasn't much of an issue. But I can't seem to understand how the contents of this file relate to the test that were fired (to me these just look like random numbers and strings)...

Does anyone know what these numbers represent?

I've generated an example profiler-file (source language is Progress) that looks like this:

Example Profiler Output

Thanks in advance!

Jacco

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