Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:00:21 2013 Optimize a model with 164000 rows, 246002 columns and 328000 nonzeros Model has 82000 quadratic constraints Presolve time: 0.19s Presolved: 164000 rows, 246002 columns, 328000 nonzeros Presolved model has 82000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.460e+05 Factor NZ : 5.740e+05 (roughly 170 MBytes of memory) Factor Ops : 2.050e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.91740727e+07 0.00000000e+00 1.92e-11 5.01e-01 2.91e+02 0s 1 1.41475599e+07 2.93194523e+06 7.71e-07 4.55e-05 4.56e+01 1s 2 1.06390373e+07 8.48197816e+06 1.11e-07 2.73e-06 8.77e+00 1s 3 9.80193226e+06 9.36827190e+06 2.43e-08 3.30e-07 1.76e+00 2s 4 9.55061153e+06 9.48026491e+06 3.04e-09 6.46e-08 2.86e-01 2s 5 9.51029414e+06 9.49613761e+06 8.38e-12 2.91e-08 5.75e-02 2s 6 9.50984994e+06 9.50961904e+06 2.37e-12 1.22e-10 9.39e-04 3s 7 9.50968440e+06 9.50966873e+06 2.34e-13 1.70e-11 6.37e-05 3s 8 9.50967904e+06 9.50967564e+06 1.63e-13 4.69e-12 1.38e-05 3s Barrier solved model in 8 iterations and 3.37 seconds Optimal objective 9.50967904e+06