} catch (BDDException x) {
} catch (ReorderException x) {
    int bdd_simplify(int f, int d) {        int res;        int numReorder = 1;        CHECKa(f, bddfalse);        CHECKa(d, bddfalse);        if (applycache == null) applycache = new OpCache2(cachesize);        if (orcache == null) orcache = new OpCache2(cachesize);                again : for (;;) {            try {                INITREF();                applyop = bddop_or;                if (numReorder == 0) bdd_disable_reorder();                res = simplify_rec(f, d);                if (numReorder == 0) bdd_enable_reorder();            } catch (BDDException x) {                bdd_checkreorder();                numReorder--;                continue again;            }            break;        }        checkresize();        return res;    }