Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:43:44 2013 Optimize a model with 154000 rows, 231002 columns and 308000 nonzeros Model has 77000 quadratic constraints Presolve time: 0.19s Presolved: 154000 rows, 231002 columns, 308000 nonzeros Presolved model has 77000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.310e+05 Factor NZ : 5.390e+05 (roughly 160 MBytes of memory) Factor Ops : 1.925e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.48461309e+07 0.00000000e+00 9.28e-12 4.96e-01 2.90e+02 0s 1 1.32426664e+07 2.72749455e+06 5.43e-07 4.59e-05 4.55e+01 1s 2 9.94361532e+06 7.91258982e+06 7.87e-08 2.78e-06 8.79e+00 1s 3 9.15746642e+06 8.74836068e+06 1.73e-08 3.33e-07 1.77e+00 2s 4 8.93497307e+06 8.85216956e+06 3.04e-09 6.69e-08 3.58e-01 2s 5 8.88237390e+06 8.87710598e+06 6.08e-11 7.46e-09 2.28e-02 2s 6 8.88098639e+06 8.88075015e+06 7.29e-12 1.05e-10 1.02e-03 3s 7 8.88085713e+06 8.88079898e+06 2.27e-12 7.47e-12 2.52e-04 3s 8 8.88081042e+06 8.88079979e+06 8.03e-13 7.66e-12 4.60e-05 3s 9 8.88080445e+06 8.88080003e+06 6.96e-13 1.32e-11 1.91e-05 4s Barrier solved model in 9 iterations and 3.59 seconds Optimal objective 8.88080445e+06