Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:53:00 2013 Optimize a model with 14800 rows, 22202 columns and 29600 nonzeros Model has 7400 quadratic constraints Presolve time: 0.02s Presolved: 14800 rows, 22202 columns, 29600 nonzeros Presolved model has 7400 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.220e+04 Factor NZ : 5.180e+04 (roughly 15 MBytes of memory) Factor Ops : 1.850e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.43322445e+06 0.00000000e+00 1.42e-13 4.97e-01 3.00e+02 0s 1 1.28822628e+06 2.53965527e+05 2.09e-08 4.93e-05 4.66e+01 0s 2 9.57611305e+05 7.54834137e+05 8.47e-08 3.39e-06 9.13e+00 0s 3 8.80594114e+05 8.39989876e+05 1.99e-08 5.86e-07 1.83e+00 0s 4 8.54624794e+05 8.51179774e+05 4.11e-10 8.29e-08 1.55e-01 0s 5 8.53308674e+05 8.53008473e+05 1.21e-11 1.02e-08 1.35e-02 0s 6 8.53272959e+05 8.53266849e+05 1.21e-12 7.17e-11 2.75e-04 0s 7 8.53270526e+05 8.53268581e+05 5.76e-13 3.78e-12 8.76e-05 0s 8 8.53269725e+05 8.53268671e+05 4.97e-13 8.79e-13 4.75e-05 0s 9 8.53269289e+05 8.53268672e+05 5.04e-13 7.76e-13 2.78e-05 0s Barrier solved model in 9 iterations and 0.30 seconds Optimal objective 8.53269289e+05