read_verilog ../common/counter.v hierarchy -top top proc flatten equiv_opt -async2sync -assert -map +/xilinx/cells_sim.v synth_xilinx -noiopad # 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:BUFG select -assert-count 8 t:FDCE select -assert-count 1 t:INV select -assert-count 7 t:MUXCY select -assert-count 8 t:XORCY select -assert-none t:BUFG t:FDCE t:INV t:MUXCY t:XORCY %% t:* %D