Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:00:44 2013 Optimize a model with 26000 rows, 39002 columns and 52000 nonzeros Model has 13000 quadratic constraints Presolve time: 0.03s Presolved: 26000 rows, 39002 columns, 52000 nonzeros Presolved model has 13000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 3.900e+04 Factor NZ : 9.100e+04 (roughly 27 MBytes of memory) Factor Ops : 3.250e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.12959163e+07 0.00000000e+00 3.55e-13 5.00e-01 2.99e+02 0s 1 2.26117494e+06 4.53885925e+05 1.09e-07 4.86e-05 4.63e+01 0s 2 1.69167411e+06 1.33730704e+06 1.27e-08 3.09e-06 9.09e+00 0s 3 1.55245065e+06 1.48523274e+06 2.75e-09 3.66e-07 1.72e+00 0s 4 1.51544097e+06 1.50400638e+06 3.95e-10 6.60e-08 2.93e-01 0s 5 1.50861643e+06 1.50811114e+06 1.58e-11 2.24e-09 1.30e-02 0s 6 1.50840003e+06 1.50829572e+06 5.10e-12 1.22e-12 2.67e-03 0s 7 1.50830206e+06 1.50829659e+06 4.55e-13 7.06e-13 1.40e-04 0s 8 1.50829841e+06 1.50829692e+06 2.06e-13 1.19e-12 3.83e-05 0s Barrier solved model in 8 iterations and 0.50 seconds Optimal objective 1.50829841e+06