read_verilog ../common/counter.v hierarchy -top top proc flatten equiv_opt -assert -multiclock -map +/gowin/cells_sim.v synth_gowin # 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:LUT1 select -assert-count 8 t:DFFC select -assert-count 8 t:ALU select -assert-count 1 t:GND select -assert-count 1 t:VCC select -assert-count 2 t:IBUF select -assert-count 8 t:OBUF select -assert-none t:LUT1 t:DFFC t:ALU t:GND t:VCC t:IBUF t:OBUF %% t:* %D