read_verilog ../common/counter.v
hierarchy -top top
proc
flatten
equiv_opt -assert -multiclock -map +/ecp5/cells_sim.v synth_ecp5 # equivalency check
design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
cd top # Constrain all select calls below inside the top module
select -assert-count 1 t:LUT4
select -assert-count 4 t:CCU2C
select -assert-count 8 t:TRELLIS_FF
select -assert-none t:LUT4 t:CCU2C t:TRELLIS_FF %% t:* %D
