Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:50:37 2013 Optimize a model with 12400 rows, 18602 columns and 24800 nonzeros Model has 6200 quadratic constraints Presolve time: 0.01s Presolved: 12400 rows, 18602 columns, 24800 nonzeros Presolved model has 6200 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.860e+04 Factor NZ : 4.340e+04 (roughly 13 MBytes of memory) Factor Ops : 1.550e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.42545180e+06 0.00000000e+00 1.07e-13 5.05e-01 3.02e+02 0s 1 1.08362039e+06 2.15601055e+05 1.38e-07 4.90e-05 4.67e+01 0s 2 8.09244817e+05 6.38064715e+05 1.74e-08 3.53e-06 9.20e+00 0s 3 7.43043546e+05 7.09579822e+05 3.59e-09 4.28e-07 1.80e+00 0s 4 7.21773388e+05 7.18187941e+05 5.68e-14 9.87e-08 1.93e-01 0s 5 7.21026827e+05 7.20968823e+05 2.84e-14 1.40e-09 3.12e-03 0s 6 7.21017109e+05 7.21006382e+05 2.84e-14 1.15e-10 5.77e-04 0s 7 7.21010590e+05 7.21009027e+05 4.26e-14 2.47e-11 8.40e-05 0s 8 7.21009998e+05 7.21009667e+05 3.55e-14 1.22e-11 1.78e-05 0s Barrier solved model in 8 iterations and 0.23 seconds Optimal objective 7.21009998e+05