-parse -fileunit rtl/i2c_master_bit_ctrl.v rtl/i2c_master_byte_ctrl.v rtl/	i2c_master_top.v  +incdir+rtl/+. 


Fix bad input in sl file
-parse -fileunit rtl/i2c_master_bit_ctrl.v rtl/i2c_master_byte_ctrl.v rtl/i2c_master_top.v +incdir+rtl/+.