error while test about unix time

[whrljt]

I0627 14:53:11.230944 24143 net.cpp:460] conv1 <- input
I0627 14:53:11.230948 24143 net.cpp:417] conv1 -> conv1
*** Aborted at 1498546391 (unix time) try "date -d @1498546391" if you are using GNU date ***
PC: @ 0x7f67d21d704d caffe::CuDNNConvolutionLayer<>::LayerSetUp()
*** SIGFPE (@0x7f67d21d704d) received by PID 24143 (TID 0x7f67d2eda740) from PID 18446744072939728973; stack trace: ***
@ 0x7f67d05c54b0 (unknown)
@ 0x7f67d21d704d caffe::CuDNNConvolutionLayer<>::LayerSetUp()
@ 0x7f67d212999e caffe::Net<>::Init()
@ 0x7f67d212ba63 caffe::Net<>::Net()
@ 0x408be7 test()
@ 0x4072f0 main
@ 0x7f67d05b0830 __libc_start_main
@ 0x407a59 _start
@ 0x0 (unknown)

The resulting FLOW is stored in flownets-pred-NNNNNNN.flo

I have run make -j 5 all tools successfully, but when I run ./demo_flownet.py S data/0000000-img0.ppm data/0000000-img1.ppm, this error happened, and there is no .flo result. How can I solve it?