Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:15:09 2013 Optimize a model with 66000 rows, 99002 columns and 132000 nonzeros Model has 33000 quadratic constraints Presolve time: 0.07s Presolved: 66000 rows, 99002 columns, 132000 nonzeros Presolved model has 33000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 9.900e+04 Factor NZ : 2.310e+05 (roughly 70 MBytes of memory) Factor Ops : 8.250e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.84903095e+07 0.00000000e+00 3.25e-12 5.04e-01 2.97e+02 0s 1 5.74599843e+06 1.15496836e+06 3.55e-07 4.78e-05 4.64e+01 0s 2 4.29651011e+06 3.40124451e+06 5.12e-08 2.94e-06 9.04e+00 0s 3 3.94519567e+06 3.77210724e+06 1.13e-08 3.57e-07 1.75e+00 1s 4 3.86007029e+06 3.81716264e+06 2.73e-09 8.07e-08 4.33e-01 1s 5 3.83429676e+06 3.82771287e+06 2.43e-10 1.89e-08 6.65e-02 1s 6 3.83218393e+06 3.83041259e+06 6.59e-11 4.87e-09 1.79e-02 1s 7 3.83178174e+06 3.83134518e+06 3.30e-11 1.41e-10 4.41e-03 1s 8 3.83145203e+06 3.83137323e+06 6.34e-12 4.73e-12 7.96e-04 1s 9 3.83141855e+06 3.83137394e+06 4.03e-12 4.41e-12 4.51e-04 1s 10 3.83139437e+06 3.83137418e+06 1.91e-12 2.78e-12 2.04e-04 2s 11 3.83138722e+06 3.83137426e+06 1.98e-12 2.06e-12 1.31e-04 2s 12 3.83138342e+06 3.83137430e+06 2.27e-12 4.80e-13 9.21e-05 2s 13 3.83138162e+06 3.83137435e+06 2.22e-12 1.81e-12 7.35e-05 2s 14 3.83137926e+06 3.83137440e+06 1.46e-12 2.89e-12 4.91e-05 2s 15 3.83137796e+06 3.83137445e+06 2.34e-12 1.41e-12 3.55e-05 2s Barrier solved model in 15 iterations and 2.36 seconds Optimal objective 3.83137796e+06