iverilog/ivtest/ivltests/pr2972866.sdf

(DELAYFILE
  (TIMESCALE 1ns)

  (CELL
    (CELLTYPE "CLK_BUF")
    (INSTANCE L1)
    (DELAY
      (ABSOLUTE
      (IOPATH in out (0.12::0.25) (0.11::0.25))
      )
    )
  )

  (CELL
    (CELLTYPE "CLK_BUF")
    (INSTANCE L2)
    (DELAY
      (ABSOLUTE
      (IOPATH in out (0.20::0.48) (0.19::0.44))
      )
    )
  )

)