Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:04:04 2013 Optimize a model with 38000 rows, 57002 columns and 76000 nonzeros Model has 19000 quadratic constraints Presolve time: 0.04s Presolved: 38000 rows, 57002 columns, 76000 nonzeros Presolved model has 19000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 5.700e+04 Factor NZ : 1.330e+05 (roughly 40 MBytes of memory) Factor Ops : 4.750e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.65158851e+07 0.00000000e+00 5.26e-13 5.03e-01 2.99e+02 0s 1 3.30207630e+06 6.58523496e+05 2.32e-07 4.83e-05 4.64e+01 0s 2 2.46457517e+06 1.94869383e+06 5.55e-08 3.00e-06 9.05e+00 0s 3 2.26320589e+06 2.16350105e+06 1.22e-08 3.69e-07 1.75e+00 0s 4 2.20862479e+06 2.19196212e+06 1.71e-09 6.28e-08 2.92e-01 0s 5 2.19882040e+06 2.19812293e+06 9.67e-11 4.50e-11 1.22e-02 1s 6 2.19834146e+06 2.19818061e+06 2.40e-11 1.64e-12 2.82e-03 1s 7 2.19819390e+06 2.19818343e+06 1.42e-12 1.00e-12 1.84e-04 1s 8 2.19818699e+06 2.19818401e+06 5.12e-13 7.24e-13 5.23e-05 1s 9 2.19818609e+06 2.19818425e+06 5.40e-13 1.09e-12 3.22e-05 1s Barrier solved model in 9 iterations and 0.82 seconds Optimal objective 2.19818609e+06