you cant post .pvc files on here just put it in a zip file and post it.
I had a look at the first .txt file you posted it did it for me simulating it, going up and down with not going anywhere so there is a problem with photovcarve or M3 settings.
the cat one did not have any problems try setting the line angle to 90 not 30 see if this helps it could just be a combination of tool, cut angle and what's at the start point makeing your machine to have a mental