Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:58:01 2013 Optimize a model with 118000 rows, 177002 columns and 236000 nonzeros Model has 59000 quadratic constraints Presolve time: 0.13s Presolved: 118000 rows, 177002 columns, 236000 nonzeros Presolved model has 59000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.770e+05 Factor NZ : 4.130e+05 (roughly 120 MBytes of memory) Factor Ops : 1.475e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.02790853e+07 0.00000000e+00 6.86e-12 5.01e-01 2.94e+02 0s 1 1.01833507e+07 2.09214244e+06 1.61e-07 4.63e-05 4.57e+01 0s 2 7.66599573e+06 6.11030484e+06 2.32e-08 2.77e-06 8.79e+00 1s 3 7.06716417e+06 6.74831078e+06 5.21e-09 3.40e-07 1.80e+00 1s 4 6.88726954e+06 6.82874350e+06 7.61e-10 7.04e-08 3.31e-01 1s 5 6.85245691e+06 6.84791735e+06 1.16e-11 1.04e-08 2.56e-02 2s 6 6.85187745e+06 6.85152922e+06 3.82e-12 1.80e-10 1.97e-03 2s 7 6.85169561e+06 6.85159332e+06 1.36e-12 7.99e-12 5.78e-04 2s 8 6.85162983e+06 6.85159338e+06 6.68e-13 3.13e-12 2.06e-04 2s 9 6.85160730e+06 6.85159480e+06 2.63e-13 4.71e-12 7.06e-05 3s 10 6.85160047e+06 6.85159542e+06 2.13e-13 4.41e-12 2.85e-05 3s Barrier solved model in 10 iterations and 2.87 seconds Optimal objective 6.85160047e+06