Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:00:55 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 1.13371038e+07 0.00000000e+00 3.98e-13 5.05e-01 3.00e+02 0s 1 2.26420377e+06 4.52992384e+05 3.71e-07 4.85e-05 4.64e+01 0s 2 1.69457750e+06 1.34130958e+06 3.12e-08 3.03e-06 9.06e+00 0s 3 1.55557841e+06 1.48864146e+06 6.68e-09 3.71e-07 1.72e+00 0s 4 1.52089082e+06 1.50645140e+06 1.30e-09 8.89e-08 3.70e-01 0s 5 1.51248966e+06 1.50780529e+06 4.68e-12 6.77e-08 1.20e-01 0s 6 1.51232759e+06 1.51221861e+06 7.67e-13 1.17e-09 2.79e-03 0s 7 1.51230703e+06 1.51228356e+06 2.70e-13 1.93e-10 6.02e-04 0s 8 1.51229795e+06 1.51229087e+06 5.68e-14 8.16e-11 1.81e-04 0s 9 1.51229668e+06 1.51229586e+06 2.90e-10 1.75e-10 2.10e-05 1s Barrier solved model in 9 iterations and 0.55 seconds Optimal objective 1.51229668e+06