Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:46:44 2013 Optimize a model with 6800 rows, 10202 columns and 13600 nonzeros Model has 3400 quadratic constraints Presolve time: 0.01s Presolved: 6800 rows, 10202 columns, 13600 nonzeros Presolved model has 3400 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.020e+04 Factor NZ : 2.380e+04 (roughly 7 MBytes of memory) Factor Ops : 8.500e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.96959609e+06 0.00000000e+00 4.26e-14 5.05e-01 3.01e+02 0s 1 5.89172676e+05 1.19629071e+05 2.86e-08 4.92e-05 4.60e+01 0s 2 4.68782183e+05 3.55493674e+05 6.62e-08 3.64e-06 1.11e+01 0s 3 4.10714677e+05 3.94737714e+05 8.08e-09 3.53e-07 1.57e+00 0s 4 3.98975234e+05 3.98394607e+05 4.26e-14 2.82e-08 5.69e-02 0s 5 3.98793107e+05 3.98779031e+05 2.84e-14 2.28e-10 1.38e-03 0s 6 3.98784846e+05 3.98782508e+05 3.01e-10 1.30e-09 2.29e-04 0s 7 3.98783298e+05 3.98782764e+05 5.04e-11 5.35e-10 5.24e-05 0s 8 3.98783113e+05 3.98782959e+05 2.16e-11 1.61e-11 1.52e-05 0s Barrier solved model in 8 iterations and 0.13 seconds Optimal objective 3.98783113e+05