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Why pretress force is more in next stage of construction over previous stage?

Question:

Below is output from MIDAS. I am unable to understand the reason why PT force in CS4 is more than CS3, as i was anticipating force reduction over time. Kindly help me understand why results are counterintutive. Respective file has been attached.

5008	Tendon Primary	CS2-SS	004(last)	1	I	-2918.38	-1294.37	0
5008	Tendon Primary	CS2A	002(last)	1	I	-2864.41	-1270.78	0
5008	Tendon Primary	CS3A 28 DAYS STRESSING	005(last)	1	I	-7401.35	-3010.19	7.8
5008	Tendon Primary	CS3-LAUNCHING	002(last)	1	I	-7373.95	-2999.29	7.73
5008	Tendon Primary	CS4-GREEN CONC	002(last)	1	I	-7484.11	-3065.54	7.76
5008	Tendon Primary	CS5-INTEGRAL	002(last)	1	I	-7396.87	-3040.88	7.75
5008	Tendon Primary	CS6-INFINITY	002(last)	1	I	-6772.43	-2864.91	7.74

Answer:

In CS4, the concrete deck is casted and activated at the same stage. Kindly, activate the composite portion of the deck in next stage (CS5) with the desired age which I guess will be 28 days as the CSLL (Load denoting wet concrete) is deactivated at this stage which is 28 days after CS4.