Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:05:09 2013 Optimize a model with 42000 rows, 63002 columns and 84000 nonzeros Model has 21000 quadratic constraints Presolve time: 0.04s Presolved: 42000 rows, 63002 columns, 84000 nonzeros Presolved model has 21000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 6.300e+04 Factor NZ : 1.470e+05 (roughly 40 MBytes of memory) Factor Ops : 5.250e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.82432714e+07 0.00000000e+00 5.83e-13 5.05e-01 2.99e+02 0s 1 3.65556481e+06 7.33345118e+05 9.21e-08 4.82e-05 4.64e+01 0s 2 2.73551396e+06 2.16473449e+06 1.34e-08 3.02e-06 9.06e+00 0s 3 2.51231896e+06 2.40233412e+06 2.96e-09 3.66e-07 1.75e+00 0s 4 2.45845082e+06 2.43091506e+06 6.94e-10 8.64e-08 4.37e-01 1s 5 2.44196022e+06 2.43898632e+06 5.63e-11 1.05e-08 4.72e-02 1s 6 2.44071479e+06 2.44030480e+06 1.37e-11 8.59e-12 6.51e-03 1s 7 2.44035204e+06 2.44031054e+06 1.36e-12 2.26e-12 6.59e-04 1s 8 2.44032437e+06 2.44031142e+06 4.83e-13 1.30e-12 2.06e-04 1s 9 2.44031656e+06 2.44031177e+06 2.56e-13 8.77e-13 7.60e-05 1s 10 2.44031505e+06 2.44031183e+06 4.97e-13 1.00e-12 5.11e-05 1s 11 2.44031361e+06 2.44031197e+06 2.84e-13 2.37e-13 2.61e-05 1s Barrier solved model in 11 iterations and 1.09 seconds Optimal objective 2.44031361e+06