returns current time of simulation

def get_current_time(self):
        """
        returns current time of simulation
        """
        current_time = c_double()
        self.library.get_current_time.argtypes = [POINTER(c_double)]
        self.library.get_current_time.restype = None
        self.library.get_current_time(byref(current_time))
        return current_time.value