I found the reason.Some of the nodes did not have geometry because they should not be seen.When .runAction executed for a node without geometry it takes a bit of memory and they add up.I've just get rid of nodes without geometry.
ucelen
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I "discovered" that if power state of lightbulb is 0 you can not read or write brightness level.
To get over this issue I read power state and if it was 0 I changed it to 1 first then change brightness level.
When reading brightness level just to show on screen if power state was 0
I just made it 0 in my indication system.
It is a shame that I could not read this in documentation.
I changed Bundle ID too and it worked fine.
That helped me interesting thing was Xcode was not suggesting new syntax.
Show container does not work but download container works.