Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:47:47 2013 Optimize a model with 8800 rows, 13202 columns and 17600 nonzeros Model has 4400 quadratic constraints Presolve time: 0.01s Presolved: 8800 rows, 13202 columns, 17600 nonzeros Presolved model has 4400 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.320e+04 Factor NZ : 3.080e+04 (roughly 10 MBytes of memory) Factor Ops : 1.100e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.80282460e+06 0.00000000e+00 4.26e-14 5.03e-01 2.98e+02 0s 1 7.56488316e+05 1.51297887e+05 1.23e-07 4.86e-05 4.58e+01 0s 2 5.66121642e+05 4.47421291e+05 2.16e-08 3.87e-06 8.99e+00 0s 3 5.19574613e+05 4.97159593e+05 5.08e-09 5.53e-07 1.70e+00 0s 4 5.08186963e+05 5.03547248e+05 9.19e-10 9.58e-08 3.51e-01 0s 5 5.05271334e+05 5.04929003e+05 4.79e-11 8.46e-09 2.59e-02 0s 6 5.05157300e+05 5.05081525e+05 8.26e-11 1.99e-09 5.74e-03 0s 7 5.05093641e+05 5.05088040e+05 5.90e-12 4.33e-11 4.24e-04 0s 8 5.05089766e+05 5.05088246e+05 6.93e-10 1.61e-09 1.15e-04 0s 9 5.05088940e+05 5.05088365e+05 2.77e-10 5.42e-13 4.36e-05 0s 10 5.05088688e+05 5.05088386e+05 1.51e-10 2.58e-13 2.29e-05 0s Barrier solved model in 10 iterations and 0.20 seconds Optimal objective 5.05088688e+05