Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:57:22 2013 Optimize a model with 18200 rows, 27302 columns and 36400 nonzeros Model has 9100 quadratic constraints Presolve time: 0.02s Presolved: 18200 rows, 27302 columns, 36400 nonzeros Presolved model has 9100 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.730e+04 Factor NZ : 6.370e+04 (roughly 20 MBytes of memory) Factor Ops : 2.275e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.89054353e+06 0.00000000e+00 2.56e-13 4.93e-01 2.99e+02 0s 1 1.57390953e+06 3.11759049e+05 1.85e-07 4.87e-05 4.62e+01 0s 2 1.17314296e+06 9.25993902e+05 2.67e-08 3.04e-06 9.05e+00 0s 3 1.07973728e+06 1.02902716e+06 5.56e-09 3.70e-07 1.86e+00 0s 4 1.04788070e+06 1.04362575e+06 2.47e-10 3.66e-08 1.56e-01 0s 5 1.04551884e+06 1.04544197e+06 4.75e-12 4.45e-10 2.82e-03 0s 6 1.04548538e+06 1.04547033e+06 1.48e-12 3.96e-13 5.51e-04 0s 7 1.04547345e+06 1.04547052e+06 9.95e-13 2.77e-13 1.07e-04 0s 8 1.04547136e+06 1.04547057e+06 3.98e-13 4.65e-13 2.87e-05 0s Barrier solved model in 8 iterations and 0.35 seconds Optimal objective 1.04547136e+06