def simulated(self):
        self.number_of_bytes()
        candidate = self.solution_bitstring()
        candidate_value = self.func(self.solution_decimal(candidate))
        generation = 0
        while self.temperature>0.001:
            for i in range(self.bytes_number*2):
                current = choice(self.neighbours(candidate))
                current_value = self.func(self.solution_decimal(current))
                if  current_value < candidate_value:
                    candidate = current
                    candidate_value = current_value
                elif uniform(0,1)< np.exp(-abs(candidate_value-current_value)/self.temperature):
                    candidate = current
                    candidate_value = current_value
            self.update_temperature(generation)
            generation = generation + 1
        return candidate_value