Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:41:42 2013 Optimize a model with 102000 rows, 153002 columns and 204000 nonzeros Model has 51000 quadratic constraints Presolve time: 0.11s Presolved: 102000 rows, 153002 columns, 204000 nonzeros Presolved model has 51000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.530e+05 Factor NZ : 3.570e+05 (roughly 100 MBytes of memory) Factor Ops : 1.275e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.36164778e+07 0.00000000e+00 6.51e-12 5.01e-01 2.95e+02 0s 1 8.82151795e+06 1.80152949e+06 1.47e-06 4.69e-05 4.59e+01 0s 2 6.62460139e+06 5.26255491e+06 2.14e-07 2.89e-06 8.90e+00 1s 3 6.10016212e+06 5.82451006e+06 4.71e-08 3.54e-07 1.80e+00 1s 4 5.94254759e+06 5.89635672e+06 6.16e-09 6.99e-08 3.02e-01 1s 5 5.91586745e+06 5.90966905e+06 2.03e-11 2.03e-08 4.05e-02 1s 6 5.91555019e+06 5.91544834e+06 4.48e-12 4.09e-11 6.66e-04 2s 7 5.91546837e+06 5.91545955e+06 5.26e-13 7.67e-12 5.76e-05 2s 8 5.91546280e+06 5.91546127e+06 2.06e-13 4.43e-12 9.99e-06 2s Barrier solved model in 8 iterations and 2.02 seconds Optimal objective 5.91546280e+06