Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:09:25 2013 Optimize a model with 128000 rows, 192002 columns and 256000 nonzeros Model has 64000 quadratic constraints Presolve time: 0.15s Presolved: 128000 rows, 192002 columns, 256000 nonzeros Presolved model has 64000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.920e+05 Factor NZ : 4.480e+05 (roughly 130 MBytes of memory) Factor Ops : 1.600e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.43646331e+07 0.00000000e+00 1.05e-11 5.00e-01 2.93e+02 0s 1 1.10481664e+07 2.27094850e+06 6.54e-07 4.61e-05 4.57e+01 1s 2 8.30339715e+06 6.61645598e+06 9.40e-08 2.75e-06 8.79e+00 1s 3 7.63457134e+06 7.30909961e+06 2.07e-08 3.36e-07 1.70e+00 1s 4 7.45749814e+06 7.39079785e+06 3.16e-09 8.56e-08 3.47e-01 2s 5 7.42375325e+06 7.41795299e+06 2.47e-10 6.68e-09 3.02e-02 2s 6 7.42172880e+06 7.42054949e+06 8.87e-11 8.59e-11 6.14e-03 2s 7 7.42066648e+06 7.42058793e+06 4.97e-12 2.39e-12 4.09e-04 2s 8 7.42062349e+06 7.42059019e+06 2.33e-12 6.01e-12 1.73e-04 3s 9 7.42060761e+06 7.42059056e+06 2.13e-12 3.17e-12 8.88e-05 3s 10 7.42060381e+06 7.42059081e+06 2.33e-12 8.33e-12 6.77e-05 3s 11 7.42060068e+06 7.42059083e+06 2.46e-12 5.09e-12 5.13e-05 3s 12 7.42059883e+06 7.42059098e+06 2.01e-12 1.37e-12 4.09e-05 4s 13 7.42059641e+06 7.42059101e+06 1.66e-12 5.53e-12 2.81e-05 4s Barrier solved model in 13 iterations and 4.00 seconds Optimal objective 7.42059641e+06