set design "ariane"set top_design "ariane"set netlist "./design/1_synth.v"set sdc "./design/1_synth.sdc"# If the netlist is post-synthesis, the def_file is the floorplan_def with placed pinsset def_file "./design/2_floorplan.def"set ALL_LEFS " ./lefs/NangateOpenCellLibrary.tech.lef ./lefs/NangateOpenCellLibrary.macro.mod.lef ./lefs/fakeram45_256x16.lef "set LIB_BC " ./libs/NangateOpenCellLibrary_typical.lib ./libs/fakeram45_256x16.lib "set site "FreePDK45_38x28_10R_NP_162NW_34O"foreach lef_file ${ALL_LEFS}{ read_lef $lef_file}foreach lib_file ${LIB_BC}{ read_liberty $lib_file}