Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:59:52 2013 Optimize a model with 20000 rows, 30002 columns and 40000 nonzeros Model has 10000 quadratic constraints Presolve time: 0.02s Presolved: 20000 rows, 30002 columns, 40000 nonzeros Presolved model has 10000 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 3.000e+04 Factor NZ : 7.000e+04 (roughly 20 MBytes of memory) Factor Ops : 2.500e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 8.75091131e+06 0.00000000e+00 3.48e-13 5.08e-01 3.02e+02 0s 1 1.74796846e+06 3.49748661e+05 1.48e-07 4.89e-05 4.66e+01 0s 2 1.30932645e+06 1.03546814e+06 2.75e-08 3.42e-06 9.13e+00 0s 3 1.20210459e+06 1.14971856e+06 6.01e-09 4.15e-07 1.75e+00 0s 4 1.17255700e+06 1.16443477e+06 6.90e-10 7.64e-08 2.71e-01 0s 5 1.16826027e+06 1.16791679e+06 4.79e-11 3.95e-13 1.14e-02 0s 6 1.16795200e+06 1.16792941e+06 7.18e-11 3.17e-09 7.53e-04 0s 7 1.16793459e+06 1.16793023e+06 1.36e-11 2.29e-11 1.45e-04 0s 8 1.16793155e+06 1.16793058e+06 3.06e-12 2.66e-13 3.24e-05 0s Barrier solved model in 8 iterations and 0.37 seconds Optimal objective 1.16793155e+06