floating point exception
Probably this is a known issue, but nevertheless:
$ gdb --args gmsh -3 sphere.brep
Program received signal SIGFPE, Arithmetic exception.
0x00007ffff744b338 in tetContainer::operator() (j=<optimized out>, thread=0, this=0x7fffffffce10)
at /home/gtheler/codigos/3ros/build/gmsh/Mesh/delaunay3d.cpp:278
278 T *operator()(std::size_t i)
(gdb)