Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:05:48 2013 Optimize a model with 126000 rows, 189002 columns and 252000 nonzeros Model has 63000 quadratic constraints Presolve time: 0.14s Presolved: 126000 rows, 189002 columns, 252000 nonzeros Presolved model has 63000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.890e+05 Factor NZ : 4.410e+05 (roughly 130 MBytes of memory) Factor Ops : 1.575e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.36458026e+07 0.00000000e+00 1.05e-11 5.03e-01 2.93e+02 0s 1 1.08967466e+07 2.22882293e+06 4.05e-07 4.64e-05 4.59e+01 1s 2 8.17185036e+06 6.50084915e+06 5.83e-08 2.78e-06 8.84e+00 1s 3 7.51153397e+06 7.19191280e+06 1.28e-08 3.34e-07 1.69e+00 1s 4 7.35071201e+06 7.27220724e+06 2.97e-09 8.32e-08 4.15e-01 2s 5 7.30507592e+06 7.27944134e+06 2.09e-10 6.14e-08 1.36e-01 2s 6 7.30171105e+06 7.29184949e+06 4.38e-11 2.54e-08 5.22e-02 2s 7 7.30125002e+06 7.30062102e+06 2.33e-11 2.97e-10 3.33e-03 2s 8 7.30075878e+06 7.30070788e+06 1.69e-12 3.97e-11 2.69e-04 3s 9 7.30073816e+06 7.30072237e+06 8.38e-13 4.28e-12 8.35e-05 3s 10 7.30073080e+06 7.30072312e+06 8.60e-13 7.16e-12 4.07e-05 3s 11 7.30072753e+06 7.30072318e+06 2.22e-12 1.92e-12 2.30e-05 3s Barrier solved model in 11 iterations and 3.39 seconds Optimal objective 7.30072753e+06