read_verilog ../common/fsm.v
hierarchy -top fsm
proc
flatten

equiv_opt -run :prove -map +/ecp5/cells_sim.v synth_ecp5
miter -equiv -make_assert -flatten gold gate miter
sat -verify -prove-asserts -show-public -set-at 1 in_reset 1 -seq 20 -prove-skip 1 miter

design -load postopt # load the post-opt design (otherwise equiv_opt loads the pre-opt design)
cd fsm # Constrain all select calls below inside the top module

select -assert-count 1 t:L6MUX21
select -assert-count 15 t:LUT4
select -assert-count 6 t:PFUMX
select -assert-count 6 t:TRELLIS_FF
select -assert-none t:L6MUX21 t:LUT4 t:PFUMX t:TRELLIS_FF %% t:* %D