Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:48:03 2013 Optimize a model with 9200 rows, 13802 columns and 18400 nonzeros Model has 4600 quadratic constraints Presolve time: 0.01s Presolved: 9200 rows, 13802 columns, 18400 nonzeros Presolved model has 4600 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.380e+04 Factor NZ : 3.220e+04 (roughly 10 MBytes of memory) Factor Ops : 1.150e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.99653683e+06 0.00000000e+00 4.26e-14 4.97e-01 2.99e+02 0s 1 8.00584295e+05 1.57359050e+05 3.98e-08 4.99e-05 4.66e+01 0s 2 5.93468480e+05 4.67578263e+05 5.28e-08 3.41e-06 9.12e+00 0s 3 5.47231236e+05 5.25228350e+05 8.81e-09 1.53e-07 1.59e+00 0s 4 5.29729423e+05 5.27925155e+05 1.46e-10 4.73e-08 1.31e-01 0s 5 5.29207028e+05 5.29119821e+05 8.47e-12 2.02e-09 6.32e-03 0s 6 5.29180114e+05 5.29146112e+05 1.79e-12 1.00e-09 2.46e-03 0s 7 5.29173275e+05 5.29150838e+05 8.53e-14 8.26e-10 1.63e-03 0s 8 5.29172630e+05 5.29166196e+05 1.42e-10 5.23e-10 4.66e-04 0s 9 5.29172544e+05 5.29171986e+05 1.48e-10 2.03e-10 4.05e-05 0s 10 5.29172539e+05 5.29172239e+05 1.09e-10 1.06e-10 2.18e-05 0s Barrier solved model in 10 iterations and 0.21 seconds Optimal objective 5.29172539e+05