Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:37:00 2013 Optimize a model with 96000 rows, 144002 columns and 192000 nonzeros Model has 48000 quadratic constraints Presolve time: 0.11s Presolved: 96000 rows, 144002 columns, 192000 nonzeros Presolved model has 48000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.440e+05 Factor NZ : 3.360e+05 (roughly 100 MBytes of memory) Factor Ops : 1.200e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.10413172e+07 0.00000000e+00 3.42e-12 4.99e-01 2.95e+02 0s 1 8.28729836e+06 1.68770634e+06 5.59e-07 4.68e-05 4.58e+01 0s 2 6.21983885e+06 4.94606492e+06 8.03e-08 2.83e-06 8.85e+00 1s 3 5.71613348e+06 5.47297872e+06 1.75e-08 3.39e-07 1.69e+00 1s 4 5.58163107e+06 5.53318820e+06 2.40e-09 8.88e-08 3.36e-01 1s 5 5.55736569e+06 5.55508519e+06 1.04e-10 3.24e-09 1.58e-02 1s 6 5.55617719e+06 5.55600095e+06 5.98e-12 3.28e-10 1.22e-03 2s 7 5.55612308e+06 5.55610487e+06 1.40e-12 7.49e-12 1.26e-04 2s 8 5.55611183e+06 5.55610619e+06 6.54e-13 5.98e-12 3.92e-05 2s 9 5.55610834e+06 5.55610644e+06 3.91e-13 3.36e-12 1.32e-05 2s Barrier solved model in 9 iterations and 2.16 seconds Optimal objective 5.55610834e+06