xbt_new_propositional_symbol(a,"consume", &predConsume);
xbt_new_propositional_symbol(a,"produce", &predProduce);
xbt_new_propositional_symbol(a,"consume", &predConsume);
xbt_new_propositional_symbol(a,"produce", &predProduce);
MSG_create_environment("../msg_platform.xml");
MSG_function_register("coordinator", coordinator);
MSG_function_register("consumer", consumer);
MSG_create_environment("../msg_platform.xml");
MSG_function_register("coordinator", coordinator);
MSG_function_register("consumer", consumer);