Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:59:07 2013 Optimize a model with 19600 rows, 29402 columns and 39200 nonzeros Model has 9800 quadratic constraints Presolve time: 0.02s Presolved: 19600 rows, 29402 columns, 39200 nonzeros Presolved model has 9800 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.940e+04 Factor NZ : 6.860e+04 (roughly 20 MBytes of memory) Factor Ops : 2.450e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 8.51645516e+06 0.00000000e+00 3.13e-13 4.98e-01 3.00e+02 0s 1 1.70296674e+06 3.38848545e+05 3.37e-08 4.88e-05 4.64e+01 0s 2 1.26944799e+06 1.00109733e+06 1.71e-08 3.12e-06 9.13e+00 0s 3 1.16684815e+06 1.11375693e+06 3.68e-09 3.69e-07 1.81e+00 0s 4 1.13198907e+06 1.12841376e+06 5.68e-14 5.49e-08 1.22e-01 0s 5 1.13128489e+06 1.13121207e+06 2.84e-14 5.47e-10 2.48e-03 0s 6 1.13124719e+06 1.13124153e+06 3.55e-14 5.43e-12 1.92e-04 0s 7 1.13124294e+06 1.13124181e+06 2.42e-13 3.50e-12 3.81e-05 0s Barrier solved model in 7 iterations and 0.34 seconds Optimal objective 1.13124294e+06