Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:58:08 2013 Optimize a model with 18800 rows, 28202 columns and 37600 nonzeros Model has 9400 quadratic constraints Presolve time: 0.02s Presolved: 18800 rows, 28202 columns, 37600 nonzeros Presolved model has 9400 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.820e+04 Factor NZ : 6.580e+04 (roughly 20 MBytes of memory) Factor Ops : 2.350e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 8.14889831e+06 0.00000000e+00 2.56e-13 4.93e-01 2.99e+02 0s 1 1.62008148e+06 3.24727946e+05 1.28e-07 4.90e-05 4.59e+01 0s 2 1.21792121e+06 9.67231217e+05 2.06e-08 2.97e-06 8.89e+00 0s 3 1.12141437e+06 1.07085365e+06 4.54e-09 3.60e-07 1.79e+00 0s 4 1.08988837e+06 1.08653861e+06 2.70e-10 1.36e-08 1.19e-01 0s 5 1.08750376e+06 1.08737170e+06 8.92e-12 5.26e-10 4.68e-03 0s 6 1.08742629e+06 1.08741479e+06 1.09e-12 6.39e-12 4.08e-04 0s 7 1.08741796e+06 1.08741588e+06 3.27e-13 4.22e-13 7.38e-05 0s 8 1.08741652e+06 1.08741607e+06 3.55e-13 6.21e-13 1.60e-05 0s Barrier solved model in 8 iterations and 0.35 seconds Optimal objective 1.08741652e+06