Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:03:54 2013 Optimize a model with 124000 rows, 186002 columns and 248000 nonzeros Model has 62000 quadratic constraints Presolve time: 0.27s Presolved: 124000 rows, 186002 columns, 248000 nonzeros Presolved model has 62000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.860e+05 Factor NZ : 4.340e+05 (roughly 130 MBytes of memory) Factor Ops : 1.550e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.28031886e+07 0.00000000e+00 8.36e-12 5.03e-01 2.93e+02 0s 1 1.07337897e+07 2.20194494e+06 1.96e-07 4.63e-05 4.59e+01 1s 2 8.06015256e+06 6.41695495e+06 2.82e-08 2.78e-06 8.83e+00 1s 3 7.41218049e+06 7.09380231e+06 6.24e-09 3.41e-07 1.71e+00 1s 4 7.23647747e+06 7.17597783e+06 8.91e-10 8.03e-08 3.25e-01 2s 5 7.20567311e+06 7.20202526e+06 6.96e-11 1.73e-09 1.96e-02 2s 6 7.20319565e+06 7.20277213e+06 8.55e-12 1.58e-10 2.28e-03 2s 7 7.20289433e+06 7.20284951e+06 1.02e-12 9.35e-12 2.41e-04 2s 8 7.20286549e+06 7.20285225e+06 4.69e-13 5.09e-12 7.11e-05 3s 9 7.20286018e+06 7.20285254e+06 1.58e-12 3.40e-12 4.10e-05 3s 10 7.20285745e+06 7.20285261e+06 1.65e-12 2.30e-12 2.60e-05 3s Barrier solved model in 10 iterations and 3.14 seconds Optimal objective 7.20285745e+06