Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:57:38 2013 Optimize a model with 18400 rows, 27602 columns and 36800 nonzeros Model has 9200 quadratic constraints Presolve time: 0.02s Presolved: 18400 rows, 27602 columns, 36800 nonzeros Presolved model has 9200 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.760e+04 Factor NZ : 6.440e+04 (roughly 20 MBytes of memory) Factor Ops : 2.300e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.98045454e+06 0.00000000e+00 2.42e-13 4.94e-01 2.99e+02 0s 1 1.59140543e+06 3.15640810e+05 1.30e-07 4.87e-05 4.62e+01 0s 2 1.18694686e+06 9.37402241e+05 4.34e-08 3.36e-06 9.04e+00 0s 3 1.09269390e+06 1.04144801e+06 9.08e-09 4.06e-07 1.86e+00 0s 4 1.06032269e+06 1.05604124e+06 3.78e-10 4.15e-08 1.55e-01 0s 5 1.05800472e+06 1.05794959e+06 7.69e-12 3.34e-11 2.00e-03 0s 6 1.05796360e+06 1.05795571e+06 1.26e-12 3.52e-13 2.86e-04 0s 7 1.05795770e+06 1.05795607e+06 5.68e-13 3.81e-13 5.92e-05 0s 8 1.05795674e+06 1.05795622e+06 3.27e-13 2.07e-12 1.89e-05 0s Barrier solved model in 8 iterations and 0.34 seconds Optimal objective 1.05795674e+06