svgfile "lamp.svg";

automaton lamp:
  cont t der 1.0;

  location Off:
    initial;
    edge when t >= 1.0 do t := 0.0 goto On;

  location On:
    edge when t >= 2.0 do t := 0.0 goto Off;

  svgout id "lamp" attr "fill" value if Off: "gray" else "yellow" end;
end