unable to slice this with support

i try (again) to print [www.thingiverse.com]

but slicer fail at the "generating support" phase

I try to low the resolution to very low level in case the 16 MB stl is too much for slicer.

but even with this low resolution it fails at the "generating supports" phase

As I've got enough memory, and slicer doesn't take so much of it, 2 threads, I don't know what's happening, may someone is able to find

thank you