5.2.1:
Reading file stopwtch.xnf ...
WARNING Signal CLK is not driven. Assumed external input.
WARNING Signal clkout is loadless. Assumed external output.

WARNING Signal reset is not driven. Assumed external input.
WARNING Signal strtstop is not driven. Assumed external input.
Starting check for combinatorial feedback cycles ... 

Starting logic simplification ...
Combinational logic reduced to 8 function generators.
Estimated no. of CLBs (combinational logic only) 4
Maximum LC2S 2
Maximum LC2P 1
Maximum LP2S 2
Maximum LP2P 1

Maximum no. of levels is 2

Writing file stopwtch.xnf ...

7 FMAPs generated
1 HMAPs generated