Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:36:06 2013 Optimize a model with 148000 rows, 222002 columns and 296000 nonzeros Model has 74000 quadratic constraints Presolve time: 0.18s Presolved: 148000 rows, 222002 columns, 296000 nonzeros Presolved model has 74000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.220e+05 Factor NZ : 5.180e+05 (roughly 150 MBytes of memory) Factor Ops : 1.850e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.25973093e+07 0.00000000e+00 1.02e-11 5.01e-01 2.91e+02 0s 1 1.27525026e+07 2.63806412e+06 1.68e-06 4.57e-05 4.56e+01 1s 2 9.60129038e+06 7.66468510e+06 2.41e-07 2.70e-06 8.72e+00 1s 3 8.83119053e+06 8.45794340e+06 5.30e-08 3.29e-07 1.68e+00 1s 4 8.61989904e+06 8.55186663e+06 6.43e-09 8.28e-08 3.06e-01 2s 5 8.58846724e+06 8.58466617e+06 5.45e-10 1.19e-09 1.71e-02 2s 6 8.58549119e+06 8.58535316e+06 2.15e-11 2.93e-11 6.22e-04 2s 7 8.58540210e+06 8.58537236e+06 5.25e-12 2.15e-12 1.34e-04 3s 8 8.58538016e+06 8.58537321e+06 1.82e-12 5.04e-12 3.13e-05 3s Barrier solved model in 8 iterations and 3.00 seconds Optimal objective 8.58538016e+06