Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:42:15 2013 Optimize a model with 152000 rows, 228002 columns and 304000 nonzeros Model has 76000 quadratic constraints Presolve time: 0.20s Presolved: 152000 rows, 228002 columns, 304000 nonzeros Presolved model has 76000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.280e+05 Factor NZ : 5.320e+05 (roughly 160 MBytes of memory) Factor Ops : 1.900e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.43458071e+07 0.00000000e+00 1.60e-11 5.02e-01 2.92e+02 0s 1 1.30944277e+07 2.71240235e+06 2.12e-06 4.55e-05 4.55e+01 1s 2 9.86828507e+06 7.88159456e+06 3.05e-07 2.69e-06 8.71e+00 1s 3 9.08047459e+06 8.69643955e+06 6.18e-08 4.29e-07 1.68e+00 2s 4 8.87701028e+06 8.78947740e+06 1.11e-08 1.18e-07 3.84e-01 2s 5 8.82935998e+06 8.81570825e+06 4.70e-10 3.35e-08 5.99e-02 2s 6 8.82784386e+06 8.82670358e+06 2.00e-10 3.05e-11 5.00e-03 2s 7 8.82734133e+06 8.82671085e+06 1.11e-10 1.88e-11 2.77e-03 3s 8 8.82676879e+06 8.82671908e+06 8.30e-12 2.96e-12 2.18e-04 3s 9 8.82673828e+06 8.82672062e+06 3.04e-12 1.27e-12 7.75e-05 3s 10 8.82672737e+06 8.82672157e+06 1.17e-12 3.48e-12 2.54e-05 4s Barrier solved model in 10 iterations and 3.74 seconds Optimal objective 8.82672737e+06