# Pastebin eeWh0MqH
nilesh@peace: ~/BTP2/code3/shogun-latest/applications/classification [develop] $ gdb ./a.out 
GNU gdb (Ubuntu/Linaro 7.4-2012.04-0ubuntu2.1) 7.4-2012.04
Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
For bug reporting instructions, please see:
<http://bugs.launchpad.net/gdb-linaro/>...
Reading symbols from /home/nilesh/BTP2/code3/shogun-latest/applications/classification/a.out...(no debugging symbols found)...done.
(gdb) r --dataset ../../data/a1a --testpath ../../data/a1a.t
Starting program: /home/nilesh/BTP2/code3/shogun-latest/applications/classification/a.out --dataset ../../data/a1a --testpath ../../data/a1a.t
warning: no loadable sections found in added symbol-file system-supplied DSO at 0x7ffff7ffa000
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Starting training
IBM ILOG CPLEX Optimization Studio Preview Edition good for 75 more days.
The CPLEX Optimizers will solve problems up to 1000 variables and 1000 constraints.
setting up lpboost
finished setting up lpboost
iteration:000000 violator: 0.00000000000000000 (>1.0) chosen: -1

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff6e02cbf in shogun::CCplex::add_lpboost_constraint(double, shogun::SGSparseVectorEntry<double>*, int, int, shogun::CBinaryLabels*) ()
   from /home/nilesh/shogun-install/lib/libshogun.so.17