Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:28:46 2013 Optimize a model with 144000 rows, 216002 columns and 288000 nonzeros Model has 72000 quadratic constraints Presolve time: 0.17s Presolved: 144000 rows, 216002 columns, 288000 nonzeros Presolved model has 72000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.160e+05 Factor NZ : 5.040e+05 (roughly 150 MBytes of memory) Factor Ops : 1.800e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.09526012e+07 0.00000000e+00 1.10e-11 5.01e-01 2.92e+02 0s 1 1.24329574e+07 2.55866527e+06 9.93e-07 4.59e-05 4.57e+01 1s 2 9.32928622e+06 7.42839076e+06 1.43e-07 2.75e-06 8.80e+00 1s 3 8.59431860e+06 8.21156505e+06 3.15e-08 3.31e-07 1.77e+00 1s 4 8.36053669e+06 8.32811476e+06 2.40e-09 1.59e-08 1.50e-01 2s 5 8.33629771e+06 8.33562174e+06 5.34e-11 2.11e-11 3.13e-03 2s 6 8.33581064e+06 8.33569285e+06 9.75e-12 9.62e-13 5.45e-04 2s 7 8.33573766e+06 8.33570163e+06 3.16e-12 1.29e-12 1.67e-04 3s 8 8.33572219e+06 8.33570182e+06 1.90e-12 2.68e-12 9.43e-05 3s 9 8.33571178e+06 8.33570355e+06 6.61e-13 2.40e-12 3.81e-05 3s Barrier solved model in 9 iterations and 3.27 seconds Optimal objective 8.33571178e+06