Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:47:51 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 3.81699087e+06 0.00000000e+00 7.11e-14 4.87e-01 2.99e+02 0s 1 7.47952914e+05 1.51436980e+05 6.02e-08 4.91e-05 4.52e+01 0s 2 5.67124778e+05 4.52250441e+05 1.60e-08 5.92e-06 8.70e+00 0s 3 5.22294380e+05 4.99616668e+05 1.96e-10 9.14e-07 1.72e+00 0s 4 5.08001441e+05 5.05771047e+05 1.10e-09 2.23e-07 1.69e-01 0s 5 5.07558010e+05 5.07205150e+05 3.97e-10 3.43e-08 2.67e-02 0s 6 5.07535501e+05 5.07530472e+05 8.34e-12 3.93e-09 3.81e-04 0s 7 5.07534305e+05 5.07532293e+05 3.62e-12 1.46e-09 1.52e-04 0s 8 5.07533689e+05 5.07532707e+05 1.25e-12 8.81e-10 7.44e-05 0s 9 5.07533407e+05 5.07532938e+05 2.34e-13 5.55e-10 3.56e-05 0s Barrier solved model in 9 iterations and 0.17 seconds Optimal objective 5.07533407e+05