The icc_shell command changed between ICC 2013 and ICC 2018. A PDF for version I-2013.12 will have obsolete variables. Always run icc_shell -version first, then find the matching PDF.
Synopsys ICC Place & Route Tutorial | PDF | Computing - Scribd synopsys icc user guide pdf
In the complex world of Application-Specific Integrated Circuit (ASIC) design, the margin for error is razor-thin. Engineers navigate a labyrinth of logic synthesis, placement, clock tree synthesis (CTS), and routing, all while battling timing closure and power constraints. At the heart of this physical design flow sits —a foundational tool that has defined the standard for place-and-route for decades. The icc_shell command changed between ICC 2013 and ICC 2018