*** Error in `python': free(): invalid pointer: 0x000055f4e8b3f698 ***
======= Backtrace: =========
/lib/x86_64-linux-gnu/libc.so.6(+0x777e5)[0x7f6c876997e5]
/lib/x86_64-linux-gnu/libc.so.6(+0x8037a)[0x7f6c876a237a]
/lib/x86_64-linux-gnu/libc.so.6(cfree+0x4c)[0x7f6c876a653c]
/home/stevencui/anaconda3/lib/python3.6/site-packages/open3d/open3d.cpython-36m-x86_64-linux-gnu.so(+0x11c5e2)[0x7f6c305365e2]
/home/stevencui/anaconda3/lib/python3.6/site-packages/open3d/open3d.cpython-36m-x86_64-linux-gnu.so(+0x11fe34)[0x7f6c30539e34]
/home/stevencui/anaconda3/lib/python3.6/site-packages/open3d/open3d.cpython-36m-x86_64-linux-gnu.so(+0x1201b2)[0x7f6c3053a1b2]
/home/stevencui/anaconda3/lib/python3.6/site-packages/open3d/open3d.cpython-36m-x86_64-linux-gnu.so(+0x17d924)[0x7f6c30597924]
/home/stevencui/anaconda3/lib/python3.6/site-packages/open3d/open3d.cpython-36m-x86_64-linux-gnu.so(+0x16a746)[0x7f6c30584746]
/home/stevencui/anaconda3/lib/python3.6/site-packages/open3d/open3d.cpython-36m-x86_64-linux-gnu.so(PyInit_open3d+0xb7)[0x7f6c30586617]
python(_PyImport_LoadDynamicModuleWithSpec+0x185)[0x55f4e597d335]
python(+0x217540)[0x55f4e597d540]
python(PyCFunction_Call+0x131)[0x55f4e587a711]
python(_PyEval_EvalFrameDefault+0x542d)[0x55f4e59284ad]
python(+0x1918e4)[0x55f4e58f78e4]
python(+0x192771)[0x55f4e58f8771]
python(+0x198505)[0x55f4e58fe505]
python(_PyEval_EvalFrameDefault+0x30a)[0x55f4e592338a]
python(+0x19253b)[0x55f4e58f853b]
python(+0x198505)[0x55f4e58fe505]
python(_PyEval_EvalFrameDefault+0x30a)[0x55f4e592338a]
python(+0x19253b)[0x55f4e58f853b]
python(+0x198505)[0x55f4e58fe505]
python(_PyEval_EvalFrameDefault+0x30a)[0x55f4e592338a]
python(+0x19253b)[0x55f4e58f853b]
python(+0x198505)[0x55f4e58fe505]
python(_PyEval_EvalFrameDefault+0x30a)[0x55f4e592338a]
python(+0x19253b)[0x55f4e58f853b]
python(+0x198505)[0x55f4e58fe505]
python(_PyEval_EvalFrameDefault+0x30a)[0x55f4e592338a]
python(_PyFunction_FastCallDict+0x11b)[0x55f4e58f8bab]
python(_PyObject_FastCallDict+0x26f)[0x55f4e5877b0f]
python(_PyObject_CallMethodIdObjArgs+0x100)[0x55f4e58b9810]
python(PyImport_ImportModuleLevelObject+0x280)[0x55f4e586eb10]
python(_PyEval_EvalFrameDefault+0x2a0b)[0x55f4e5925a8b]
python(PyEval_EvalCodeEx+0x329)[0x55f4e58f9289]
python(PyEval_EvalCode+0x1c)[0x55f4e58fa01c]
python(+0x1bac8b)[0x55f4e5920c8b]
python(PyCFunction_Call+0x131)[0x55f4e587a711]
python(_PyEval_EvalFrameDefault+0x542d)[0x55f4e59284ad]
python(+0x1918e4)[0x55f4e58f78e4]
python(+0x192771)[0x55f4e58f8771]
python(+0x198505)[0x55f4e58fe505]
python(_PyEval_EvalFrameDefault+0x30a)[0x55f4e592338a]
python(+0x19253b)[0x55f4e58f853b]
python(+0x198505)[0x55f4e58fe505]
python(_PyEval_EvalFrameDefault+0x30a)[0x55f4e592338a]
python(+0x19253b)[0x55f4e58f853b]
python(+0x198505)[0x55f4e58fe505]
python(_PyEval_EvalFrameDefault+0x30a)[0x55f4e592338a]
python(+0x19253b)[0x55f4e58f853b]
python(+0x198505)[0x55f4e58fe505]
python(_PyEval_EvalFrameDefault+0x30a)[0x55f4e592338a]
python(_PyFunction_FastCallDict+0x11b)[0x55f4e58f8bab]
python(_PyObject_FastCallDict+0x26f)[0x55f4e5877b0f]
python(_PyObject_CallMethodIdObjArgs+0x100)[0x55f4e58b9810]
python(PyImport_ImportModuleLevelObject+0x280)[0x55f4e586eb10]
python(_PyEval_EvalFrameDefault+0x2a0b)[0x55f4e5925a8b]
python(PyEval_EvalCodeEx+0x329)[0x55f4e58f9289]
python(PyEval_EvalCode+0x1c)[0x55f4e58fa01c]
python(+0x2163c4)[0x55f4e597c3c4]
python(PyRun_FileExFlags+0xa1)[0x55f4e597c7c1]
python(PyRun_SimpleFileExFlags+0x1c3)[0x55f4e597c9c3]
python(Py_Main+0x613)[0x55f4e59804b3]
======= Memory map: ========
55f4e5766000-55f4e57bd000 r--p 00000000 08:04 88613477                   /home/stevencui/anaconda3/bin/python3.6
55f4e57bd000-55f4e5985000 r-xp 00057000 08:04 88613477                   /home/stevencui/anaconda3/bin/python3.6
55f4e5985000-55f4e5a23000 r--p 0021f000 08:04 88613477                   /home/stevencui/anaconda3/bin/python3.6
55f4e5a23000-55f4e5a26000 r--p 002bc000 08:04 88613477                   /home/stevencui/anaconda3/bin/python3.6
55f4e5a26000-55f4e5a89000 rw-p 002bf000 08:04 88613477                   /home/stevencui/anaconda3/bin/python3.6
55f4e5a89000-55f4e5aba000 rw-p 00000000 00:00 0
55f4e766b000-55f4e8d75000 rw-p 00000000 00:00 0                          [heap]
7f6c28000000-7f6c28021000 rw-p 00000000 00:00 0
7f6c28021000-7f6c2c000000 ---p 00000000 00:00 0
7f6c2d935000-7f6c2d937000 r-xp 00000000 08:01 14688044                   /usr/lib/x86_64-linux-gnu/libXau.so.6.0.0
7f6c2d937000-7f6c2db37000 ---p 00002000 08:01 14688044                   /usr/lib/x86_64-linux-gnu/libXau.so.6.0.0
7f6c2db37000-7f6c2db38000 r--p 00002000 08:01 14688044                   /usr/lib/x86_64-linux-gnu/libXau.so.6.0.0
7f6c2db38000-7f6c2db39000 rw-p 00003000 08:01 14688044                   /usr/lib/x86_64-linux-gnu/libXau.so.6.0.0
7f6c2db39000-7f6c2db60000 r-xp 00000000 08:04 93061320                   /home/stevencui/anaconda3/lib/libxcb.so.1.1.0
7f6c2db60000-7f6c2dd60000 ---p 00027000 08:04 93061320                   /home/stevencui/anaconda3/lib/libxcb.so.1.1.0
7f6c2dd60000-7f6c2dd61000 r--p 00027000 08:04 93061320                   /home/stevencui/anaconda3/lib/libxcb.so.1.1.0
7f6c2dd61000-7f6c2dd62000 rw-p 00028000 08:04 93061320                   /home/stevencui/anaconda3/lib/libxcb.so.1.1.0
7f6c2dd62000-7f6c2dd73000 r-xp 00000000 08:01 14688057                   /usr/lib/x86_64-linux-gnu/libXext.so.6.4.0
7f6c2dd73000-7f6c2df72000 ---p 00011000 08:01 14688057                   /usr/lib/x86_64-linux-gnu/libXext.so.6.4.0
7f6c2df72000-7f6c2df73000 r--p 00010000 08:01 14688057                   /usr/lib/x86_64-linux-gnu/libXext.so.6.4.0
7f6c2df73000-7f6c2df74000 rw-p 00011000 08:01 14688057                   /usr/lib/x86_64-linux-gnu/libXext.so.6.4.0
7f6c2df74000-7f6c2f10e000 r-xp 00000000 08:01 3413234                    /usr/lib/nvidia-410/libnvidia-glcore.so.410.79
7f6c2f10e000-7f6c2f12f000 rwxp 0119a000 08:01 3413234                    /usr/lib/nvidia-410/libnvidia-glcore.so.410.79
7f6c2f12f000-7f6c2f61d000 r-xp 011bb000 08:01 3413234                    /usr/lib/nvidia-410/libnvidia-glcore.so.410.79
7f6c2f61d000-7f6c2f81d000 ---p 016a9000 08:01 3413234                    /usr/lib/nvidia-410/libnvidia-glcore.so.410.79
7f6c2f81d000-7f6c2fb38000 rw-p 016a9000 08:01 3413234                    /usr/lib/nvidia-410/libnvidia-glcore.so.410.79
7f6c2fb38000-7f6c2fb4f000 rw-p 00000000 00:00 0
7f6c2fb4f000-7f6c2fb52000 r-xp 00000000 08:01 3413226                    /usr/lib/nvidia-410/tls/libnvidia-tls.so.410.79
7f6c2fb52000-7f6c2fd52000 ---p 00003000 08:01 3413226                    /usr/lib/nvidia-410/tls/libnvidia-tls.so.410.79
7f6c2fd52000-7f6c2fd53000 rw-p 00003000 08:01 3413226                    /usr/lib/nvidia-410/tls/libnvidia-tls.so.410.79
7f6c2fd53000-7f6c2fe88000 r-xp 00000000 08:01 14690250                   /usr/lib/x86_64-linux-gnu/libX11.so.6.3.0
7f6c2fe88000-7f6c30088000 ---p 00135000 08:01 14690250                   /usr/lib/x86_64-linux-gnu/libX11.so.6.3.0
7f6c30088000-7f6c30089000 r--p 00135000 08:01 14690250                   /usr/lib/x86_64-linux-gnu/libX11.so.6.3.0
7f6c30089000-7f6c3008d000 rw-p 00136000 08:01 14690250                   /usr/lib/x86_64-linux-gnu/libX11.so.6.3.0
7f6c3008d000-7f6c30156000 r-xp 00000000 08:01 3413247                    /usr/lib/nvidia-410/libGL.so.410.79
7f6c30156000-7f6c3018b000 rwxp 000c9000 08:01 3413247                    /usr/lib/nvidia-410/libGL.so.410.79
7f6c3018b000-7f6c3019f000 r-xp 000fe000 08:01 3413247                    /usr/lib/nvidia-410/libGL.so.410.79
7f6c3019f000-7f6c3039e000 ---p 00112000 08:01 3413247                    /usr/lib/nvidia-410/libGL.so.410.79
7f6c3039e000-7f6c303c3000 rw-p 00111000 08:01 3413247                    /usr/lib/nvidia-410/libGL.so.410.79
7f6c303c3000-7f6c303cb000 rw-p 00000000 00:00 0
7f6c3040f000-7f6c3041a000 rw-p 00000000 00:00 0
7f6c3041a000-7f6c308f9000 r-xp 00000000 08:04 94113451                   /home/stevencui/anaconda3/lib/python3.6/site-packages/open3d/open3d.cpython-36m-x86_64-linux-gnu.so
7f6c308f9000-7f6c30af9000 ---p 004df000 08:04 94113451                   /home/stevencui/anaconda3/lib/python3.6/site-packages/open3d/open3d.cpython-36m-x86_64-linux-gnu.so
7f6c30af9000-7f6c30b10000 r--p 004df000 08:04 94113451                   /home/stevencui/anaconda3/lib/python3.6/site-packages/open3d/open3d.cpython-36m-x86_64-linux-gnu.so
7f6c30b10000-7f6c30b16000 rw-p 004f6000 08:04 94113451                   /home/stevencui/anaconda3/lib/python3.6/site-packages/open3d/open3d.cpython-36m-x86_64-linux-gnu.so
7f6c30b16000-7f6c30c07000 rw-p 00000000 00:00 0
7f6c30c07000-7f6c30c26000 r--p 00000000 08:04 97256630                   /home/stevencui/anaconda3/lib/libssl.so.1.1
7f6c30c26000-7f6c30c77000 r-xp 0001f000 08:04 97256630                   /home/stevencui/anaconda3/lib/libssl.so.1.1
7f6c30c77000-7f6c30c90000 r--p 00070000 08:04 97256630                   /home/stevencui/anaconda3/lib/libssl.so.1.1
7f6c30c90000-7f6c30c99000 r--p 00088000 08:04 97256630                   /home/stevencui/anaconda3/lib/libssl.so.1.1
7f6c30c99000-7f6c30c9d000 rw-p 00091000 08:04 97256630                   /home/stevencui/anaconda3/lib/libssl.so.1.1
7f6c30c9d000-7f6c30ca7000 r--p 00000000 08:04 88613498                   /home/stevencui/anaconda3/lib/python3.6/lib-dynload/_ssl.cpython-36m-x86_64-linux-gnu.so
7f6c30ca7000-7f6c30cb2000 r-xp 0000a000 08:04 88613498                   /home/stevencui/anaconda3/lib/python3.6/lib-dynload/_ssl.cpython-36m-x86_64-linux-gnu.so
7f6c30cb2000-7f6c30cb8000 r--p 00015000 08:04 88613498                   /home/stevencui/anaconda3/lib/python3.6/lib-dynload/_ssl.cpython-36m-x86_64-linux-gnu.so
7f6c30cb8000-7f6c30cb9000 ---p 0001b000 08:04 88613498                   /home/stevencui/anaconda3/lib/python3.6/lib-dynload/_ssl.cpython-36m-x86_64-linux-gnu.so
7f6c30cb9000-7f6c30cba000 r--p 0001b000 08:04 88613498                   /home/stevencui/anaconda3/lib/python3.6/lib-dynload/_ssl.cpython-36m-x86_64-linux-gnu.so
7f6c30cba000-7f6c30cbf000 rw-p 0001c000 08:04 88613498                   /home/stevencui/anaconda3/lib/python3.6/lib-dynload/_ssl.cpython-36m-x86_64-linux-gnu.so
7f6c30cbf000-7f6c3123f000 rw-p 00000000 00:00 0
7f6c3123f000-7f6c31243000 r--p 00000000 08:04 97258169                   /home/stevencui/anaconda3/lib/python3.6/lib-dynload/array.cpython-36m-x86_64-linux-gnu.so
7f6c31243000-7f6c3124b000 r-xp 00004000 08:04 97258169                   /home/stevencui/anaconda3/lib/python3.6/lib-dynload/array.cpython-36m-x86_64-linux-gnu.so
7f6c3124b000-7f6c3124e000 r--p 0000c000 08:04 97258169                   /home/stevencui/anaconda3/lib/python3.6/lib-dynload/array.cpython-36m-x86_64-linux-gnu.so
7f6c3124e000-7f6c3124f000 r--p 0000e000 08:04 97258169                   /home/stevencui/anaconda3/lib/python3.6/lib-dynload/array.cpython-36m-x86_64-linux-gnu.so
7f6c3124f000-7f6c31252000 rw-p 0000f000 08:04 97258169                   /home/stevencui/anaconda3/lib/python3.6/lib-dynload/array.cpython-36m-x86_64-linux-gnu.so
7f6c31252000-7f6c31292000 rw-p 00000000 00:00 0
7f6c31292000-7f6c31297000 r--p 00000000 08:04 97258181                   /home/stevencui/anaconda3/lib/python3.6/lib-dynload/_socket.cpython-36m-x86_64-linux-gnu.so
7f6c31297000-7f6c312a5000 r-xp 00005000 08:04 97258181                   /home/stevencui/anaconda3/lib/python3.6/lib-dynload/_socket.cpython-36m-x86_64-linux-gnu.so
7f6c312a5000-7f6c312aa000 r--p 00013000 08:04 97258181                   /home/stevencui/anaconda3/lib/python3.6/lib-dynload/_socket.cpython-36m-x86_64-linux-gnu.so
7f6c312aa000-7f6c312ab000 r--p 00017000 08:04 97258181                   /home/stevencui/anaconda3/lib/python3.6/lib-dynload/_socket.cpython-36m-x86_64-linux-gnu.so
7f6c312ab000-7f6c312b0000 rw-p 00018000 08:04 97258181                   /home/stevencui/anaconda3/lib/python3.6/lib-dynload/_socket.cpython-36m-x86_64-linux-gnu.so
7f6c312b0000-7f6c312f0000 rw-p 00000000 00:00 0
7f6c312f0000-7f6c312f2000 r--p 00000000 08:04 88613500                   /home/stevencui/anaconda3/lib/python3.6/lib-dynload/binascii.cpython-36m-x86_64-linux-gnu.so
7f6c312f2000-7f6c312f5000 r-xp 00002000 08:04 88613500                   /home/stevencui/anaconda3/lib/python3.6/lib-dynload/binascii.cpython-36m-x86_64-linux-gnu.so
7f6c312f5000-7f6c312f7000 r--p 00005000 08:04 88613500                   /home/stevencui/anaconda3/lib/python3.6/lib-dynload/binascii.cpython-36m-x86_64-linux-gnu.so
7f6c312f7000-7f6c312f8000 r--p 00006000 08:04 88613500                   /home/stevencui/anaconda3/lib/python3.6/lib-dynload/binascii.cpython-36m-x86_64-linux-gnu.so
7f6c312f8000-7f6c312f9000 rw-p 00007000 08:04 88613500                   /home/stevencui/anaconda3/lib/python3.6/lib-dynload/binascii.cpython-36m-x86_64-linux-gnu.so
7f6c312f9000-7f6c313f9000 rw-p 00000000 00:00 0
7f6c313f9000-7f6c345ea000 r-xp 00000000 08:04 97256926                   /home/stevencui/anaconda3/lib/libcublas.so.9.0.176
7f6c345ea000-7f6c347e9000 ---p 031f1000 08:04 97256926                   /home/stevencui/anaconda3/lib/libcublas.so.9.0.176
7f6c347e9000-7f6c34820000 rw-p 031f0000 08:04 97256926                   /home/stevencui/anaconda3/lib/libcublas.so.9.0.176
7f6c34820000-7f6c3482f000 rw-p 00000000 00:00 0
7f6c3482f000-7f6c34832000 rw-p 03228000 08:04 97256926                   /home/stevencui/anaconda3/lib/libcublas.so.9.0.176
7f6c34832000-7f6c3c660000 r-xp 00000000 08:04 97256941                   /home/stevencui/anaconda3/lib/libcufft.so.9.0.176
7f6c3c660000-7f6c3c860000 ---p 07e2e000 08:04 97256941                   /home/stevencui/anaconda3/lib/libcufft.so.9.0.176
7f6c3c860000-7f6c3c86f000 rw-p 07e2e000 08:04 97256941                   /home/stevencui/anaconda3/lib/libcufft.so.9.0.176
7f6c3c86f000-7f6c3c8d3000 rw-p 00000000 00:00 0
7f6c3c8d3000-7f6c3c8d5000 rw-p 07e3e000 08:04 97256941                   /home/stevencui/anaconda3/lib/libcufft.so.9.0.176
7f6c3c8d5000-7f6c3ed5e000 r-xp 00000000 08:04 97256933                   /home/stevencui/anaconda3/lib/libcurand.so.9.0.176
7f6c3ed5e000-7f6c3ef5d000 ---p 02489000 08:04 97256933                   /home/stevencui/anaconda3/lib/libcurand.so.9.0.176
7f6c3ef5d000-7f6c4032f000 rw-p 02488000 08:04 97256933                   /home/stevencui/anaconda3/lib/libcurand.so.9.0.176
7f6c4032f000-7f6c40839000 rw-p 00000000 00:00 0
7f6c40839000-7f6c4083a000 rw-p 0385a000 08:04 97256933                   /home/stevencui/anaconda3/lib/libcurand.so.9.0.176
7f6c4083a000-7f6c43d76000 r-xp 00000000 08:04 97256929                   /home/stevencui/anaconda3/lib/libcusparse.so.9.0.176
7f6c43d76000-7f6c43f76000 ---p 0353c000 08:04 97256929                   /home/stevencui/anaconda3/lib/libcusparse.so.9.0.176
7f6c43f76000-7f6c43f90000 rw-p 0353c000 08:04 97256929                   /home/stevencui/anaconda3/lib/libcusparse.so.9.0.176
7f6c43f90000-7f6c43fa0000 rw-p 00000000 00:00 0
7f6c43fa0000-7f6c43fa5000 rw-p 03556000 08:04 97256929                   /home/stevencui/anaconda3/lib/libcusparse.so.9.0.176
7f6c43fa5000-7f6c4505c000 r-xp 00000000 08:04 98702261                   /home/stevencui/anaconda3/lib/python3.6/site-packages/torch/lib/libtorch.so.1
7f6c4505c000-7f6c4525c000 ---p 010b7000 08:04 98702261                   /home/stevencui/anaconda3/lib/python3.6/site-packages/torch/lib/libtorch.so.1
7f6c4525c000-7f6c4529b000 r--p 010b7000 08:04 98702261                   /home/stevencui/anaconda3/lib/python3.6/site-packages/torch/lib/libtorch.so.1
7f6c4529b000-7f6c452a2000 rw-p 010f6000 08:04 98702261                   /home/stevencui/anaconda3/lib/python3.6/site-packages/torch/lib/libtorch.so.1
7f6c452a2000-7f6c452a5000 rw-p 00000000 00:00 0
7f6c452a5000-7f6c49298000 r-xp 00000000 08:04 101058494                  /home/stevencui/anaconda3/lib/libmkl_core.so
7f6c49298000-7f6c49497000 ---p 03ff3000 08:04 101058494                  /home/stevencui/anaconda3/lib/libmkl_core.so
7f6c49497000-7f6c4949e000 r--p 03ff2000 08:04 101058494                  /home/stevencui/anaconda3/lib/libmkl_core.so
7f6c4949e000-7f6c494cd000 rw-p 03ff9000 08:04 101058494                  /home/stevencui/anaconda3/lib/libmkl_core.so
7f6c494cd000-7f6c494ef000 rw-p 00000000 00:00 0
7f6c494ef000-7f6c4ab1f000 r-xp 00000000 08:04 101058485                  /home/stevencui/anaconda3/lib/libmkl_gnu_thread.so
7f6c4ab1f000-7f6c4ad1e000 ---p 01630000 08:04 101058485                  /home/stevencui/anaconda3/lib/libmkl_gnu_thread.so
7f6c4ad1e000-7f6c4ad22000 r--p 0162f000 08:04 101058485                  /home/stevencui/anaconda3/lib/libmkl_gnu_thread.so
7f6c4ad22000-7f6c4ad3a000 rw-p 01633000 08:04 101058485                  /home/stevencui/anaconda3/lib/libmkl_gnu_thread.so
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7f6c76707000-7f6c76708000 r--p 0000a000 08:04 97258161                   /home/stevencui/anaconda3/lib/python3.6/lib-dynload/math.cpython-36m-x86_64-linux-gnu.so
7f6c76708000-7f6c7670a000 rw-p 0000b000 08:04 97258161                   /home/stevencui/anaconda3/lib/python3.6/lib-dynload/math.cpython-36m-x86_64-linux-gnu.so
7f6c7670a000-7f6c7870a000 rw-p 00000000 00:00 0
7f6c7870a000-7f6c7870b000 ---p 00000000 00:00 0
7f6c7870b000-7f6c78f0b000 rw-p 00000000 00:00 0
7f6c78f0b000-7f6c78f0c000 ---p 00000000 00:00 0
7f6c78f0c000-7f6c7d70c000 rw-p 00000000 00:00 0
7f6c7d70c000-7f6c7d70d000 ---p 00000000 00:00 0
7f6c7d70d000-7f6c7ff0d000 rw-p 00000000 00:00 0
7f6c7ff0d000-7f6c7ff0e000 ---p 00000000 00:00 0
7f6c7ff0e000-7f6c8270e000 rw-p 00000000 00:00 0
7f6c8270f000-7f6c82711000 r--p 00000000 08:04 97258134                   /home/stevencui/anaconda3/lib/python3.6/lib-dynload/_multiprocessing.cpython-36m-x86_64-linux-gnu.so
7f6c82711000-7f6c82712000 r-xp 00002000 08:04 97258134                   /home/stevencui/anaconda3/lib/python3.6/lib-dynload/_multiprocessing.cpython-36m-x86_64-linux-gnu.so
7f6c82712000-7f6c82713000 r--p 00003000 08:04 97258134                   /home/stevencui/anaconda3/lib/python3.6/lib-dynload/_multiprocessing.cpython-36m-x86_64-linux-gnu.so
7f6c82713000-7f6c82714000 r--p 00003000 08:04 97258134                   /home/stevencui/anaconda3/lib/python3.6/lib-dynload/_multiprocessing.cpython-36m-x86_64-linux-gnu.soAborted (core dumped)