Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:43:53 2013 Optimize a model with 680 rows, 1022 columns and 1360 nonzeros Model has 340 quadratic constraints Presolve time: 0.00s Presolved: 680 rows, 1022 columns, 1360 nonzeros Presolved model has 340 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.020e+03 Factor NZ : 2.383e+03 Factor Ops : 8.505e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.78156853e+05 0.00000000e+00 4.26e-14 4.35e-01 2.82e+02 0s 1 5.58682677e+04 1.18914934e+04 9.85e-09 4.92e-05 4.31e+01 0s 2 4.27188098e+04 3.41601756e+04 3.07e-09 6.80e-06 8.39e+00 0s 3 3.90593065e+04 3.78739461e+04 2.98e-09 1.96e-06 1.16e+00 0s 4 3.84515224e+04 3.83704254e+04 7.91e-11 2.22e-07 7.95e-02 0s 5 3.84298160e+04 3.84165324e+04 4.26e-13 4.85e-08 1.30e-02 0s 6 3.84290474e+04 3.84235841e+04 1.21e-13 2.02e-08 5.36e-03 0s 7 3.84286417e+04 3.84254099e+04 5.68e-14 1.26e-08 3.17e-03 0s 8 3.84285498e+04 3.84260462e+04 4.97e-14 9.93e-09 2.45e-03 0s 9 3.84284795e+04 3.84277045e+04 2.52e-10 2.81e-09 7.60e-04 0s 10 3.84284366e+04 3.84278549e+04 1.52e-10 2.18e-09 5.70e-04 0s 11 3.84284009e+04 3.84282667e+04 1.44e-10 4.18e-10 1.32e-04 0s 12 3.84283942e+04 3.84282726e+04 1.11e-10 3.88e-10 1.19e-04 0s 13 3.84283548e+04 3.84282812e+04 1.08e-11 3.42e-10 7.22e-05 0s 14 3.84283525e+04 3.84282985e+04 7.77e-12 2.50e-10 5.30e-05 0s 15 3.84283460e+04 3.84283091e+04 1.99e-13 1.93e-10 3.62e-05 0s Barrier solved model in 15 iterations and 0.03 seconds Optimal objective 3.84283460e+04