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Segmentation fault (core dumped) while using Cplex Python API


Hello Everyone, 

I am trying to solve a mixed-integer problem using Cplex Python API and I get this error Segmentation fault (core dumped). i am not able to figure out the reason for this. 
Traceback

srva at hades:~$ python RW10.py --output test --logPath log --xml topology.xml
Start Time: 2014-6-1-20-56-39
CPLEX Parameter File Version 12.5.0.0
CPX_PARAM_TILIM 3600
CPX_PARAM_TRELIM 20000.00
CPX_PARAM_EPGAP 0.03
CPX_PARAM_EACHCUTLIM 2100000000
CPX_PARAM_FLOWCOVERS 0
CPX_PARAM_FLOWPATHS 0
CPX_PARAM_CLIQUES 0
CPX_PARAM_DISJCUTS 0
CPX_PARAM_COVERS 0
CPX_PARAM_ZEROHALFCUTS 0
CPX_PARAM_MIRCUTS 0
CPX_PARAM_MCFCUTS 0
CPX_PARAM_IMPLBD 0
CPX_PARAM_GUBCOVERS 0
CPX_PARAM_AGGCUTLIM 3

Completion Time: 972.63
Num Columns: 1350888
Num Rows: 25488
Solving
Segmentation fault (core dumped)

A few lines from the log file:

Completion Time: 972.63
Num Columns: 1350888
Num Rows: 25488
Tried aggregator 1 time.
MIP Presolve eliminated 12648 rows and 1321088 columns.
MIP Presolve modified 180 coefficients.
Reduced MIP has 12840 rows, 29800 columns, and 136000 nonzeros.
Reduced MIP has 29800 binaries, 0 generals, 0 SOSs, and 0 indicators.
Presolve time = 0.49 sec. (368.57 ticks)

I would be grateful if someone can help me fix this.

Thank You