Stove.insert(pot);
pot.insert(mix(water, sugar, butter, aroma));
Stove.heat(pot, 100%);
while(butter.stateOfAggregation != fluid)
    wait();
pot.insert(milk);
pot.insert(rice);
while(pot.content is not cooking)
    wait();
Stove.heat(pot, 50%);
for(45 minutes)
    stir(pot.content);