Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:39:15 2013 Optimize a model with 186000 rows, 279002 columns and 372000 nonzeros Model has 93000 quadratic constraints Presolve time: 0.22s Presolved: 186000 rows, 279002 columns, 372000 nonzeros Presolved model has 93000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.790e+05 Factor NZ : 6.510e+05 (roughly 200 MBytes of memory) Factor Ops : 2.325e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.81126047e+07 0.00000000e+00 2.13e-11 5.02e-01 2.89e+02 1s 1 1.60242648e+07 3.33949803e+06 7.11e-07 4.51e-05 4.55e+01 1s 2 1.20616320e+07 9.62896579e+06 1.03e-07 2.69e-06 8.72e+00 1s 3 1.11223504e+07 1.06278968e+07 2.29e-08 3.24e-07 1.77e+00 2s 4 1.08362656e+07 1.07503203e+07 3.09e-09 7.03e-08 3.08e-01 2s 5 1.07887118e+07 1.07762463e+07 1.07e-10 1.89e-08 4.47e-02 3s 6 1.07865503e+07 1.07863171e+07 6.85e-12 1.57e-10 8.36e-04 3s 7 1.07864444e+07 1.07864021e+07 1.97e-12 1.40e-12 1.51e-04 3s 8 1.07864086e+07 1.07864028e+07 8.53e-13 2.92e-12 2.07e-05 4s Barrier solved model in 8 iterations and 3.78 seconds Optimal objective 1.07864086e+07