add scan groups grp1 <test proc file>
add scan chains chain1 grp1< prt1> <prt2>
add clocks 0 clk
add pin constraints test_mode C1
add clocks 1 resetn

set system mode atpg
set fault type iddq
set iddq check -int_float -atpg
load faults au_faults.list (load the faults that were AU when you ran ATPG for stuck at faults)
create patterns -auto