read_verilog ../common/add_sub.v
hierarchy -top top
proc
equiv_opt -assert -map +/fabulous/prims.v synth_fabulous -carry ha # 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-max 10 t:LUT4_HA
select -assert-max 4 t:LUT1
select -assert-none t:LUT1 t:LUT4_HA %% t:* %D