read_verilog opt_share_cat.v
proc;;
copy opt_share_test merged

alumacc merged
opt merged
opt_share merged
opt_clean merged

miter -equiv -flatten -ignore_gold_x -make_outputs -make_outcmp opt_share_test merged miter
sat -set-def-inputs -verify -prove trigger 0 -show-inputs -show-outputs miter

select -assert-count 2 -module merged t:$alu