Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:02:45 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 5.18932013e+07 0.00000000e+00 8.98e-12 5.00e-01 2.93e+02 0s 1 1.05351647e+07 2.15609070e+06 6.26e-07 4.62e-05 4.58e+01 0s 2 7.90391007e+06 6.29030340e+06 8.99e-08 2.77e-06 8.82e+00 1s 3 7.26456299e+06 6.95700743e+06 1.96e-08 3.31e-07 1.68e+00 1s 4 7.09507567e+06 7.03392372e+06 2.81e-09 8.45e-08 3.34e-01 2s 5 7.06373335e+06 7.06060319e+06 1.31e-10 3.25e-09 1.71e-02 2s 6 7.06226415e+06 7.06183756e+06 2.30e-11 2.68e-10 2.33e-03 2s 7 7.06199496e+06 7.06194603e+06 2.99e-12 1.72e-11 2.67e-04 2s 8 7.06196758e+06 7.06195310e+06 1.06e-12 9.16e-12 7.91e-05 2s 9 7.06195913e+06 7.06195329e+06 1.66e-12 5.62e-13 3.19e-05 3s Barrier solved model in 9 iterations and 2.74 seconds Optimal objective 7.06195913e+06