out of memory allocating 4194320 bytes in sage notebook in win 8

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out of memory allocating 4194320 bytes

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/home/sage/sage-6.4.1/local/lib/libcsage.so(print_backtrace+0x3b)[0xd73c\
96]
/home/sage/sage-6.4.1/local/lib/libcsage.so(sigdie+0x1c)[0xd73e1e]
/home/sage/sage-6.4.1/local/lib/libcsage.so(sage_signal_handler+0x1ca)[0\
xd73593]
[0x31b400]
/lib/libc.so.6(abort+0x17a)[0x75614a]
/home/sage/sage-6.4.1/local/lib/libpolybori-0.8.so.3(+0x26698)[0x2e82698\
]
/home/sage/sage-6.4.1/local/lib/libpolybori-0.8.so.3(pbori_cuddInitCache\
+0x17c)[0x2e8262c]
/home/sage/sage-6.4.1/local/lib/libpolybori-0.8.so.3(pbori_Cudd_Init+0xa\
4)[0x2e829d4]
/home/sage/sage-6.4.1/local/lib/libpolybori-0.8.so.3(_ZN8polybori9CCuddC\
oreC1EjRKN5boost10shared_ptrINS_13COrderingBaseEEE+0xa8)[0x2e90548]
/home/sage/sage-6.4.1/local/lib/libpolybori-0.8.so.3(_ZN8polybori13Boole\
PolyRingC2Eji+0x50)[0x2e8cd60]
/home/sage/sage-6.4.1/local/lib/python2.7/site-packages/sage/rings/polyn\
omial/pbori.so(+0x90951)[0x385e951]
/home/sage/sage-6.4.1/local/lib/python2.7/site-packages/sage/rings/polyn\
omial/pbori.so(+0x95c2f)[0x3863c2f]
/home/sage/sage-6.4.1/local/lib/libpython2.7.so.1.0(+0x8d815)[0x418815]
/home/sage/sage-6.4.1/local/lib/python2.7/site-packages/sage/crypto/bool\
ean_function.so(+0x35da)[0x69985da]
/home/sage/sage-6.4.1/local/lib/python2.7/site-packages/sage/crypto/bool\
ean_function.so(+0x1ac7f)[0x69afc7f]
/home/sage/sage-6.4.1/local/lib/libpython2.7.so.1.0(PyEval_EvalFrameEx+0\
x489c)[0x46330c]
/home/sage/sage-6.4.1/local/lib/libpython2.7.so.1.0(PyEval_EvalCodeEx+0x\
7d0)[0x465080]
/home/sage/sage-6.4.1/local/lib/libpython2.7.so.1.0(PyEval_EvalCode+0x63\
)[0x4651d3]
/home/sage/sage-6.4.1/local/lib/libpython2.7.so.1.0(PyEval_EvalFrameEx+0\
x5cd2)[0x464742]
/home/sage/sage-6.4.1/local/lib/libpython2.7.so.1.0(PyEval_EvalCodeEx+0x\
7d0)[0x465080]
/home/sage/sage-6.4.1/local/lib/libpython2.7.so.1.0(PyEval_EvalCode+0x63\
)[0x4651d3]
/home/sage/sage-6.4.1/local/lib/libpython2.7.so.1.0(PyRun_FileExFlags+0x\
b1)[0x484561]
/home/sage/sage-6.4.1/local/lib/libpython2.7.so.1.0(+0xd19c2)[0x45c9c2]
/home/sage/sage-6.4.1/local/lib/libpython2.7.so.1.0(PyCFunction_Call+0x1\
2a)[0x3feb5a]
/home/sage/sage-6.4.1/local/lib/libpython2.7.so.1.0(PyEval_EvalFrameEx+0\
x490c)[0x46337c]
/home/sage/sage-6.4.1/local/lib/libpython2.7.so.1.0(PyEval_EvalCodeEx+0x\
7d0)[0x465080]
/home/sage/sage-6.4.1/local/lib/libpython2.7.so.1.0(PyEval_EvalCode+0x63\
)[0x4651d3]
/home/sage/sage-6.4.1/local/lib/libpython2.7.so.1.0(PyEval_EvalFrameEx+0\
x5cd2)[0x464742]
/home/sage/sage-6.4.1/local/lib/libpython2.7.so.1.0(PyEval_EvalCodeEx+0x\
7d0)[0x465080]
/home/sage/sage-6.4.1/local/lib/libpython2.7.so.1.0(PyEval_EvalCode+0x63\
)[0x4651d3]
/home/sage/sage-6.4.1/local/lib/libpython2.7.so.1.0(PyRun_FileExFlags+0x\
b1)[0x484561]
/home/sage/sage-6.4.1/local/lib/libpython2.7.so.1.0(+0xd19c2)[0x45c9c2]
/home/sage/sage-6.4.1/local/lib/libpython2.7.so.1.0(PyCFunction_Call+0x1\
2a)[0x3feb5a]
/home/sage/sage-6.4.1/local/lib/libpython2.7.so.1.0 ...