Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:45:01 2013 Optimize a model with 1840 rows, 2762 columns and 3680 nonzeros Model has 920 quadratic constraints Presolve time: 0.00s Presolved: 1840 rows, 2762 columns, 3680 nonzeros Presolved model has 920 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.760e+03 Factor NZ : 6.443e+03 (roughly 2 MBytes of memory) Factor Ops : 2.300e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 8.10691238e+05 0.00000000e+00 2.84e-14 5.15e-01 3.03e+02 0s 1 1.59145848e+05 3.22426133e+04 1.07e-08 4.91e-05 4.60e+01 0s 2 1.25768145e+05 9.59098975e+04 3.24e-08 5.79e-06 1.08e+01 0s 3 1.10255994e+05 1.07370472e+05 6.26e-09 9.20e-07 1.05e+00 0s 4 1.07897542e+05 1.07793598e+05 1.66e-10 7.69e-08 3.77e-02 0s 5 1.07837508e+05 1.07823612e+05 9.65e-12 1.90e-08 5.03e-03 0s 6 1.07834729e+05 1.07828775e+05 2.91e-12 9.06e-09 2.16e-03 0s 7 1.07833552e+05 1.07833211e+05 1.56e-13 4.60e-10 1.24e-04 0s 8 1.07833455e+05 1.07833297e+05 1.56e-13 2.87e-10 5.74e-05 0s 9 1.07833441e+05 1.07833350e+05 2.84e-14 1.79e-10 3.30e-05 0s Barrier solved model in 9 iterations and 0.04 seconds Optimal objective 1.07833441e+05