read_rtlil << EOT
module \top
  wire input 1 \A
  wire output 2 \Y
  wire output 3 \N

  cell $and \sub1
    parameter \A_SIGNED 0
    parameter \A_WIDTH 1
    parameter \B_SIGNED 0
    parameter \B_WIDTH 1
    parameter \Y_WIDTH 1
    connect \A \A
    connect \B 1'0
    connect \Y \Y
  end

  cell \child \sequential
    connect \A \A
    connect \B 1'0
    connect \R 1'0
    connect \Y \Y
    connect \N \N
  end

  cell \child \sequential1
    connect \A \A
    connect \B 1'0
    connect \R 1'0
    connect \Y \Y
    connect \N \N
  end

  cell $xor \sub2
    parameter \A_SIGNED 0
    parameter \A_WIDTH 1
    parameter \B_SIGNED 0
    parameter \B_WIDTH 1
    parameter \Y_WIDTH 1
    connect \A \A
    connect \B 1'0
    connect \Y \Y
  end
end

module \child
  wire input 1 \A
  wire input 2 \B
  wire input 3 \R

  wire output 4 \Y
  wire output 5 \N
  wire \Y1
  wire \Y2
  cell \sg13g2_dfrbp_1 \sequential_ff
    connect \CLK \A
    connect \D \Y2
    connect \Q \Y
    connect \Q_N \N
    connect \RESET_B \R
  end

  cell $xor \sub2
    parameter \A_SIGNED 0
    parameter \A_WIDTH 1
    parameter \B_SIGNED 0
    parameter \B_WIDTH 1
    parameter \Y_WIDTH 1
    connect \A \B
    connect \B 1'0
    connect \Y \Y1
  end

  cell $reduce_xor \sub3
    parameter \A_SIGNED 0
    parameter \A_WIDTH 10
    parameter \Y_WIDTH 1
    connect \A 10'0000000000
    connect \Y \Y2
  end

end
EOT
logger -expect log "Chip area for top module '\\top': 66.000000" 1
logger -expect log "3     30.5        3     30.5 cells" 1
logger -expect log "2       51        -        -   \$reduce_xor" 2
logger -expect log "8       66        2        5 cells" 2
logger -expect-no-warnings
stat -liberty ./stat_area_by_width.lib -top \top -hierarchy