Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:34:05 2013 Optimize a model with 148000 rows, 222002 columns and 296000 nonzeros Model has 74000 quadratic constraints Presolve time: 0.17s Presolved: 148000 rows, 222002 columns, 296000 nonzeros Presolved model has 74000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.220e+05 Factor NZ : 5.180e+05 (roughly 150 MBytes of memory) Factor Ops : 1.850e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.25229145e+07 0.00000000e+00 8.87e-12 4.99e-01 2.91e+02 0s 1 1.27433731e+07 2.63713028e+06 8.33e-07 4.57e-05 4.55e+01 1s 2 9.59483536e+06 7.65707360e+06 1.35e-07 2.72e-06 8.73e+00 1s 3 8.82452390e+06 8.45468235e+06 2.94e-08 3.26e-07 1.67e+00 1s 4 8.62839504e+06 8.54685723e+06 5.23e-09 8.32e-08 3.67e-01 2s 5 8.58390327e+06 8.57334323e+06 3.26e-10 1.66e-08 4.76e-02 2s 6 8.58190638e+06 8.58046183e+06 1.36e-10 1.66e-11 6.51e-03 2s 7 8.58078662e+06 8.58046424e+06 2.93e-11 3.76e-12 1.45e-03 3s 8 8.58056968e+06 8.58047255e+06 8.70e-12 1.99e-12 4.38e-04 3s 9 8.58048663e+06 8.58047551e+06 9.09e-13 1.53e-12 5.01e-05 3s 10 8.58047938e+06 8.58047680e+06 3.13e-13 4.38e-12 1.16e-05 4s Barrier solved model in 10 iterations and 3.67 seconds Optimal objective 8.58047938e+06