problem on armci-network protocol

Sorry for late reply...

I discussed about this problem with the administrator of the cluster system.

He checked the openmpi and found that your first comment were right.
openmpi itself was looking infiniband.
(Actually, he didn't know about it before. Other cluster users use mpich, instead of openmpi)

The problem was fixed and NWChem is running without any problem. Well, now the problem is problem about
my knowledge and understanding about computational chemistry and program itself.

Anyway, thank you again!