Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:17:58 2013 Optimize a model with 70000 rows, 105002 columns and 140000 nonzeros Model has 35000 quadratic constraints Presolve time: 0.08s Presolved: 70000 rows, 105002 columns, 140000 nonzeros Presolved model has 35000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.050e+05 Factor NZ : 2.450e+05 (roughly 70 MBytes of memory) Factor Ops : 8.750e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.00665773e+07 0.00000000e+00 2.79e-12 4.98e-01 2.96e+02 0s 1 6.06300648e+06 1.22280995e+06 1.15e-07 4.76e-05 4.61e+01 0s 2 4.53749408e+06 3.59920857e+06 1.65e-08 2.89e-06 8.94e+00 0s 3 4.17040966e+06 3.98630561e+06 3.73e-09 3.52e-07 1.75e+00 1s 4 4.07649941e+06 4.03973348e+06 8.11e-10 4.65e-08 3.50e-01 1s 5 4.05015108e+06 4.04249013e+06 3.06e-11 3.16e-08 7.30e-02 1s 6 4.04913475e+06 4.04807510e+06 8.46e-12 3.34e-09 1.01e-02 1s 7 4.04875725e+06 4.04872942e+06 2.70e-13 6.43e-11 2.65e-04 1s 8 4.04874674e+06 4.04874313e+06 1.21e-13 2.79e-12 3.44e-05 1s Barrier solved model in 8 iterations and 1.39 seconds Optimal objective 4.04874674e+06