Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:57:35 2013 Optimize a model with 18400 rows, 27602 columns and 36800 nonzeros Model has 9200 quadratic constraints Presolve time: 0.02s Presolved: 18400 rows, 27602 columns, 36800 nonzeros Presolved model has 9200 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.760e+04 Factor NZ : 6.440e+04 (roughly 20 MBytes of memory) Factor Ops : 2.300e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.97647401e+06 0.00000000e+00 2.27e-13 4.93e-01 2.99e+02 0s 1 1.58650615e+06 3.17772169e+05 1.58e-07 4.91e-05 4.60e+01 0s 2 1.19194457e+06 9.46316275e+05 2.25e-08 2.98e-06 8.90e+00 0s 3 1.09759858e+06 1.04805977e+06 4.99e-09 3.57e-07 1.79e+00 0s 4 1.06785953e+06 1.06147118e+06 4.83e-10 5.55e-08 2.31e-01 0s 5 1.06421483e+06 1.06323797e+06 5.51e-12 1.83e-08 3.54e-02 0s 6 1.06416980e+06 1.06412438e+06 2.07e-12 3.72e-10 1.65e-03 0s 7 1.06414911e+06 1.06414205e+06 4.83e-13 1.84e-11 2.56e-04 0s 8 1.06414349e+06 1.06414287e+06 1.21e-13 3.07e-12 2.24e-05 0s Barrier solved model in 8 iterations and 0.35 seconds Optimal objective 1.06414349e+06