Trace file contents: 3 epochs.
		start	start	file	chunk
	epoch	index	time	offset	size
	0	0	0	#SIZE#	#SIZE#
	1	0	0	#SIZE#	#SIZE#
	2	10	0	#SIZE#	#SIZE#
Epoch 0: (initial values)
X X X X X 
Epoch 1:
	event		event	cause	node	node
	index	time	node	index	index	value	rule/node
	0	0	0	0	0	X	(null)
	1	0	0	0	1	0	(a:0)
	2	0	0	0	2	0	(b:0)
	3	10	2	2	3	1	[after 10]	b -> c-
	4	20	3	3	4	0	[after 10]	c -> d-
	5	20	0	0	1	1	(a:1)
	6	20	0	0	2	1	(b:1)
	7	24	0	0	1	0	(a:0)
	8	30	2	6	3	X	[after 10]	b -> c-
	9	40	4	8	4	X	[after 10]	~c -> d+
Epoch 2: (final values)
X 0 1 X X 
