bddnodes = null;
table = null;
    void bdd_done() {        /*sanitycheck(); FIXME */        //bdd_fdd_done();        //bdd_reorder_done();        bdd_pairs_done();        bddnodes = null;        bddrefstack = null;        bddvarset = null;        bddvar2level = null;        bddlevel2var = null;        bdd_operator_done();        bddrunning = false;        bddnodesize = 0;        bddmaxnodesize = 0;        bddvarnum = 0;        bddproduced = 0;        //err_handler = null;        //gbc_handler = null;        //resize_handler = null;    }