Stuck at "running CopyPropagationOptimizer" for 10 days

Hi,

RetDec seems to be stuck at some step inside `CopyPropagationOptimizer` for about 10 days now. It's been stuck at using 5GB of RAM and 100% of CPU. RAM usage does not increase.

The last step it has been showing for over 10 days is:

```
Warning: [NonRecursiveCFGBuilder] there is no node for an edge to `goto 0x5d40c` -> skipping this edge
```

What is happening and can I skip this step somehow?

Thanks,
Sam

Edit: still the same after 22 days... :-(

Start by reproducing the reported hang around CopyPropagationOptimizer and capture whether the NonRecursiveCFGBuilder warning consistently precedes it. Trace the optimizer and CFG-builder entry points to identify the blocking operation; done means explaining the cause and providing a verified fix or a documented way to skip the step.

Written by the indexing model from the issue text.