Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:31:50 2013 Optimize a model with 146000 rows, 219002 columns and 292000 nonzeros Model has 73000 quadratic constraints Presolve time: 0.17s Presolved: 146000 rows, 219002 columns, 292000 nonzeros Presolved model has 73000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.190e+05 Factor NZ : 5.110e+05 (roughly 150 MBytes of memory) Factor Ops : 1.825e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.18855816e+07 0.00000000e+00 1.34e-11 5.03e-01 2.92e+02 0s 1 1.25966665e+07 2.58944165e+06 6.28e-07 4.59e-05 4.57e+01 1s 2 9.45729429e+06 7.53543099e+06 9.01e-08 2.73e-06 8.78e+00 1s 3 8.69621354e+06 8.32963714e+06 1.97e-08 3.26e-07 1.67e+00 1s 4 8.50988462e+06 8.42131194e+06 4.45e-09 8.18e-08 4.04e-01 2s 5 8.45814132e+06 8.42880147e+06 2.46e-10 6.25e-08 1.34e-01 2s 6 8.45499059e+06 8.44450601e+06 4.97e-11 2.36e-08 4.79e-02 2s 7 8.45447971e+06 8.45398296e+06 2.09e-11 2.91e-10 2.27e-03 3s 8 8.45413359e+06 8.45408420e+06 1.81e-12 4.35e-11 2.26e-04 3s 9 8.45411371e+06 8.45410126e+06 7.18e-13 5.48e-12 5.69e-05 3s 10 8.45410871e+06 8.45410264e+06 6.68e-13 1.01e-11 2.77e-05 4s Barrier solved model in 10 iterations and 3.61 seconds Optimal objective 8.45410871e+06