Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:52:07 2013 Optimize a model with 114000 rows, 171002 columns and 228000 nonzeros Model has 57000 quadratic constraints Presolve time: 0.13s Presolved: 114000 rows, 171002 columns, 228000 nonzeros Presolved model has 57000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.710e+05 Factor NZ : 3.990e+05 (roughly 120 MBytes of memory) Factor Ops : 1.425e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.85452325e+07 0.00000000e+00 5.77e-12 4.99e-01 2.93e+02 0s 1 9.85695364e+06 2.01812990e+06 3.55e-07 4.65e-05 4.58e+01 0s 2 7.40230547e+06 5.88810710e+06 5.13e-08 2.81e-06 8.85e+00 1s 3 6.80386526e+06 6.51326605e+06 1.13e-08 3.39e-07 1.70e+00 1s 4 6.65235551e+06 6.58721408e+06 2.15e-09 8.23e-08 3.81e-01 1s 5 6.61582278e+06 6.60730791e+06 1.65e-10 1.54e-08 4.98e-02 2s 6 6.61376464e+06 6.61237455e+06 6.61e-11 1.72e-11 8.13e-03 2s 7 6.61244465e+06 6.61238300e+06 2.30e-12 7.31e-12 3.61e-04 2s 8 6.61240761e+06 6.61238522e+06 8.81e-13 9.68e-13 1.31e-04 2s 9 6.61239588e+06 6.61238618e+06 4.12e-13 4.21e-12 5.67e-05 3s 10 6.61239085e+06 6.61238637e+06 2.56e-13 4.17e-13 2.62e-05 3s Barrier solved model in 10 iterations and 2.76 seconds Optimal objective 6.61239085e+06