Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:39:37 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 7.80960604e+07 0.00000000e+00 2.60e-11 5.01e-01 2.89e+02 1s 1 1.59939279e+07 3.34324547e+06 5.20e-07 4.49e-05 4.53e+01 1s 2 1.20653919e+07 9.65472854e+06 7.47e-08 2.63e-06 8.64e+00 1s 3 1.11074230e+07 1.06401046e+07 1.66e-08 3.20e-07 1.67e+00 2s 4 1.08394517e+07 1.07601871e+07 1.92e-09 7.32e-08 2.84e-01 2s 5 1.08024416e+07 1.07971512e+07 1.97e-10 1.27e-09 1.90e-02 3s 6 1.07982074e+07 1.07979752e+07 7.92e-12 8.33e-11 8.32e-04 3s 7 1.07980741e+07 1.07980335e+07 1.80e-12 7.06e-12 1.46e-04 3s 8 1.07980449e+07 1.07980350e+07 9.09e-13 7.09e-12 3.57e-05 4s Barrier solved model in 8 iterations and 3.78 seconds Optimal objective 1.07980449e+07