Try it with just ASan. Some of the UBsan checks can be quite expensive. Also, check how much free ram your computer has when running with ASan. It may be run

Try it with just ASan. Some of the UBsan checks can be quite expensive. Also, check how much free ram your computer has when running with ASan. It may be running out of RAM, and e.g. spending a lot of time looking for other memory to free, or even swapping.