I made a test map that worked, but now in my real map, it's not working. A couple of ideas I thought it could be, an order trigger on the carrier or a vision on/off thing, but I don't have anything like that firing.
Any ideas guys?
None.
solved now, i was doing an immobilize for all units. Set it to immobilize all units BUT the defilier and it works perfectly. Cheers 
Zoan -- of course it isn't full understanding. You could ask "is the mechanism by which this counterexample blows up the ONLY mechanism possible for an initial configuration to blow up?"
Zoan -- Heinermann
NudeRaider -- I only heard about it, didn't any news article, so what did it do then?
Heinermann -- it also didn't solve that problem but hey as long as the investors are pleased
NudeRaider -- I have no idea tbh. All I know no human was ever able to solve it, but there's at least a few that beat portal 
RIVE,
JamaL, Rawflesh0615,
lil-Inferno