Синхронизација на играчи во сала

package mk.ukim.finki.os.synchronization.exam14.june;

import java.util.Date;
import java.util.HashSet;
import java.util.Scanner;
import java.util.concurrent.Semaphore;

import mk.ukim.finki.os.synchronization.ProblemExecution;
import mk.ukim.finki.os.synchronization.TemplateThread;

public class Gym2Synchronization {

    static Semaphore avaiableSlots;
    static Semaphore cabineSlots;
    static int igraci;
    static Semaphore igraciLock;



    public static void init() {

        igraciLock = new Semaphore(1);
        igraci=0;

        cabineSlots = new Semaphore(4);

        avaiableSlots = new Semaphore(12);




    }


    public static class Player extends TemplateThread {

        public Player(int numRuns) {
            super(numRuns);
        }

        @Override
        public void execute() throws InterruptedException {


            avaiableSlots.acquire();
            state.vlezi();
            igraciLock.acquire();
            igraci++;
            igraciLock.release();


            if (igraci==12) {
                state.sportuvaj();
            }


            igraciLock.acquire();
            igraci--;
            igraciLock.release();


            cabineSlots.acquire();


            state.presobleci();

            igraciLock.acquire();
            igraci--;
            igraciLock.release();

            cabineSlots.release();



            if (igraci==0)
                state.slobodnaSala();
            avaiableSlots.release(12);



        }
    }
    static Gym2State state = new Gym2State();

    public static void main(String[] args) {
        for (int i = 0; i < 10; i++) {
            run();
        }
    }

    public static void run() {
        try {
            Scanner s = new Scanner(System.in);
            int numRuns = 1;
            int numIterations = 1200;
            s.close();

            HashSet<Thread> threads = new HashSet<Thread>();

            for (int i = 0; i < numIterations; i++) {
                Player h = new Player(numRuns);
                threads.add(h);
            }

            init();

            ProblemExecution.start(threads, state);
            System.out.println(new Date().getTime());
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }
}