Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:46:42 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 2.94855395e+06 0.00000000e+00 4.26e-14 4.95e-01 2.99e+02 0s 1 5.86000084e+05 1.17919530e+05 6.48e-10 4.98e-05 4.59e+01 0s 2 4.40269049e+05 3.48594728e+05 2.86e-08 3.93e-06 8.99e+00 0s 3 4.05962295e+05 3.87753484e+05 1.12e-08 5.31e-07 1.79e+00 0s 4 3.93101612e+05 3.92804359e+05 1.20e-09 4.21e-08 2.91e-02 0s 5 3.92898368e+05 3.92881075e+05 8.93e-11 3.48e-09 1.70e-03 0s 6 3.92885233e+05 3.92881842e+05 5.17e-10 4.92e-10 3.32e-04 0s 7 3.92882321e+05 3.92881941e+05 5.21e-11 6.13e-11 3.73e-05 0s Barrier solved model in 7 iterations and 0.11 seconds Optimal objective 3.92882321e+05