Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:20:21 2013 Optimize a model with 138000 rows, 207002 columns and 276000 nonzeros Model has 69000 quadratic constraints Presolve time: 0.16s Presolved: 138000 rows, 207002 columns, 276000 nonzeros Presolved model has 69000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.070e+05 Factor NZ : 4.830e+05 (roughly 140 MBytes of memory) Factor Ops : 1.725e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.84515193e+07 0.00000000e+00 1.06e-11 5.00e-01 2.92e+02 0s 1 1.19006239e+07 2.45514803e+06 2.00e-07 4.59e-05 4.56e+01 1s 2 8.95316945e+06 7.13796647e+06 2.89e-08 2.75e-06 8.77e+00 1s 3 8.23212476e+06 7.88607954e+06 6.28e-09 3.29e-07 1.67e+00 1s 4 8.04654131e+06 7.97334107e+06 1.06e-09 8.18e-08 3.54e-01 2s 5 8.00732682e+06 7.99936099e+06 7.46e-11 1.14e-08 3.85e-02 2s 6 8.00532203e+06 8.00397368e+06 2.98e-11 1.87e-11 6.51e-03 2s 7 8.00449317e+06 8.00398162e+06 1.13e-11 1.65e-12 2.47e-03 3s 8 8.00405048e+06 8.00398524e+06 1.58e-12 2.09e-12 3.15e-04 3s 9 8.00400491e+06 8.00398636e+06 7.53e-13 3.13e-12 8.96e-05 3s 10 8.00399525e+06 8.00398684e+06 6.82e-13 3.17e-12 4.07e-05 3s 11 8.00399312e+06 8.00398691e+06 1.44e-12 4.26e-13 3.00e-05 4s Barrier solved model in 11 iterations and 3.75 seconds Optimal objective 8.00399312e+06