Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:48:12 2013 Optimize a model with 9400 rows, 14102 columns and 18800 nonzeros Model has 4700 quadratic constraints Presolve time: 0.01s Presolved: 9400 rows, 14102 columns, 18800 nonzeros Presolved model has 4700 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.410e+04 Factor NZ : 3.290e+04 (roughly 10 MBytes of memory) Factor Ops : 1.175e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.06817468e+06 0.00000000e+00 8.53e-14 4.93e-01 2.98e+02 0s 1 8.08495247e+05 1.63127630e+05 5.33e-08 4.96e-05 4.58e+01 0s 2 6.07681746e+05 4.81414150e+05 4.40e-08 6.27e-06 8.96e+00 0s 3 5.60673704e+05 5.33989564e+05 2.17e-08 9.58e-07 1.89e+00 0s 4 5.42999880e+05 5.41173006e+05 7.82e-14 1.46e-07 1.30e-01 0s 5 5.42580367e+05 5.42554941e+05 2.84e-14 9.01e-10 1.80e-03 0s 6 5.42566572e+05 5.42563130e+05 5.68e-14 1.02e-10 2.44e-04 0s 7 5.42564528e+05 5.42563937e+05 4.97e-14 2.75e-11 4.19e-05 0s 8 5.42564334e+05 5.42564255e+05 3.55e-14 1.45e-12 5.57e-06 0s Barrier solved model in 8 iterations and 0.18 seconds Optimal objective 5.42564334e+05