Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:26:45 2013 Optimize a model with 84000 rows, 126002 columns and 168000 nonzeros Model has 42000 quadratic constraints Presolve time: 0.09s Presolved: 84000 rows, 126002 columns, 168000 nonzeros Presolved model has 42000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.260e+05 Factor NZ : 2.940e+05 (roughly 90 MBytes of memory) Factor Ops : 1.050e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.60971943e+07 0.00000000e+00 4.55e-12 5.04e-01 2.96e+02 0s 1 7.26792768e+06 1.48164421e+06 4.68e-07 4.71e-05 4.59e+01 0s 2 5.46476900e+06 4.34709353e+06 6.76e-08 2.87e-06 8.87e+00 1s 3 5.02395032e+06 4.80958882e+06 1.48e-08 3.50e-07 1.70e+00 1s 4 4.90623773e+06 4.86356379e+06 2.05e-09 9.11e-08 3.39e-01 1s 5 4.88484520e+06 4.88324412e+06 8.35e-11 1.76e-09 1.27e-02 1s 6 4.88391117e+06 4.88378025e+06 9.14e-12 5.05e-11 1.04e-03 1s 7 4.88381747e+06 4.88379646e+06 1.59e-12 5.32e-12 1.67e-04 2s 8 4.88380360e+06 4.88379790e+06 5.40e-13 2.97e-12 4.53e-05 2s 9 4.88380093e+06 4.88379807e+06 8.24e-13 2.52e-12 2.27e-05 2s Barrier solved model in 9 iterations and 1.87 seconds Optimal objective 4.88380093e+06