Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:49:36 2013 Optimize a model with 11200 rows, 16802 columns and 22400 nonzeros Model has 5600 quadratic constraints Presolve time: 0.01s Presolved: 11200 rows, 16802 columns, 22400 nonzeros Presolved model has 5600 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.680e+04 Factor NZ : 3.920e+04 (roughly 10 MBytes of memory) Factor Ops : 1.400e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.85816230e+06 0.00000000e+00 9.95e-14 4.90e-01 2.99e+02 0s 1 9.68446831e+05 1.93674332e+05 3.81e-08 4.90e-05 4.61e+01 0s 2 7.26568826e+05 5.75850279e+05 5.92e-08 5.99e-06 8.97e+00 0s 3 6.68318211e+05 6.37668508e+05 1.59e-08 1.04e-06 1.82e+00 0s 4 6.49483890e+05 6.45704692e+05 7.30e-10 2.25e-07 2.25e-01 0s 5 6.48157441e+05 6.48118160e+05 1.02e-11 1.11e-09 2.34e-03 0s 6 6.48142662e+05 6.48135287e+05 3.31e-12 6.64e-12 4.39e-04 0s 7 6.48136693e+05 6.48135532e+05 6.25e-13 8.00e-13 6.91e-05 0s 8 6.48135846e+05 6.48135588e+05 3.13e-13 3.02e-13 1.54e-05 0s Barrier solved model in 8 iterations and 0.20 seconds Optimal objective 6.48135846e+05