negative memory allocation

negative memory allocation

I am trying to run a circulation model, ADCIRC, in an intel cluster. The program was compiled fine and when it comes to pre-process the input files (grid file and control file) following message resulted

from alloc_main1:

memory currently allocated = -1070453336 bytes
memory high water mark = 17103640 bytes

The code is written in FORTRAN 90 and I couldn't understand how this -ve memory allocation run-time error can be addressed.

Any solution?

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As Fortran doesn't support unsigned numbers, if a number representing more than 2GB is displayed as a 32-bit formatted integer, it could well go into apparent negative territory. One would be suspicious whether the application has been tested in that mode.

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