Trace clock tree
updateStatus -force designIsPlaced
selectInst *
dbSet selected.pStatus placed
setCTSMode -engine ck
cleanupSpecifyClockTree
specifyClockTree -file /proj/$project_name/work/user/$design_name/$script_path/${design_name}.seperated.trace.ctstch
ckSynthesis -check -forceReconvergent -trace /proj/$project_name/work/user/$design_name/$script_path/${design_name}.seperated.trace