celtic missed out on the chance to secure a domestic treble after crashing out of the scottish cup semi-final 3-2 to inverness on sunday .
the hoops were controversially denied a penalty after a blatant handball by inverness ' josh meekings in the area .
still , with the league cup already won in march , celtic have the opportunity to win two trophies if they can clinch the spl title .
defender virgil van dijk wants to wrap up the league as soon as possible .