ICC scenario

set_scenario_options:    

 -cts_corner min | max | min_max | none
              When set to min (max), the min (max) corner of the scenario will
              be considered by the optimize_clock_tree command.  When  set  to
              min_max, both of the min and max corners of the scenario will be
              considered by the optimize_clock_tree command. Default value  of
              this option is none.