Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:02:03 2013 Optimize a model with 122000 rows, 183002 columns and 244000 nonzeros Model has 61000 quadratic constraints Presolve time: 0.14s Presolved: 122000 rows, 183002 columns, 244000 nonzeros Presolved model has 61000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.830e+05 Factor NZ : 4.270e+05 (roughly 130 MBytes of memory) Factor Ops : 1.525e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.19445442e+07 0.00000000e+00 7.90e-12 5.01e-01 2.93e+02 0s 1 1.05744125e+07 2.16168105e+06 2.95e-07 4.65e-05 4.60e+01 0s 2 7.92310924e+06 6.29093706e+06 4.29e-08 2.85e-06 8.92e+00 1s 3 7.29816700e+06 6.96383957e+06 9.63e-09 3.47e-07 1.83e+00 1s 4 7.10968862e+06 7.04677008e+06 1.48e-09 7.78e-08 3.44e-01 1s 5 7.07335372e+06 7.06644496e+06 3.49e-11 1.64e-08 3.78e-02 2s 6 7.07216472e+06 7.07207530e+06 1.91e-12 6.90e-11 4.89e-04 2s 7 7.07211851e+06 7.07209693e+06 7.32e-13 1.17e-11 1.18e-04 2s 8 7.07209994e+06 7.07209721e+06 1.02e-12 7.08e-12 1.49e-05 2s Barrier solved model in 8 iterations and 2.42 seconds Optimal objective 7.07209994e+06