I am running z-enemy-1.16-cuda90.tar.gz at Ethos 1.3.2 (ubuntu 14) but got this error:

./z-enemy: relocation error: ./z-enemy: symbol _ZNSt13random_device7_M_initERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaI cEEE, version GLIBCXX_3.4.21 not defined in file libstdc++.so.6 with link time reference


# ls -la /usr/lib/x86_64-linux-gnu/libstdc++.so.6*
lrwxrwxrwx 1 root root      19 Jun  6 15:15 /usr/lib/x86_64-linux-gnu/libstdc++.so.6 -> libstdc++.so.6.0.25
-rw-r--r-- 1 root root 1126624 Jun  6 15:57 /usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.25

Could you help me?
Thank you in advance