Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:17:45 2013 Optimize a model with 136000 rows, 204002 columns and 272000 nonzeros Model has 68000 quadratic constraints Presolve time: 0.16s Presolved: 136000 rows, 204002 columns, 272000 nonzeros Presolved model has 68000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.040e+05 Factor NZ : 4.760e+05 (roughly 140 MBytes of memory) Factor Ops : 1.700e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.76439195e+07 0.00000000e+00 1.00e-11 5.00e-01 2.92e+02 0s 1 1.17319413e+07 2.41870552e+06 2.57e-07 4.60e-05 4.57e+01 1s 2 8.82582024e+06 7.03505091e+06 3.71e-08 2.75e-06 8.78e+00 1s 3 8.11460683e+06 7.77293777e+06 8.07e-09 3.30e-07 1.67e+00 1s 4 7.93182396e+06 7.85908001e+06 1.37e-09 8.23e-08 3.57e-01 2s 5 7.89276677e+06 7.88452661e+06 9.62e-11 1.23e-08 4.04e-02 2s 6 7.89078970e+06 7.88943322e+06 3.89e-11 1.10e-11 6.65e-03 2s 7 7.89001412e+06 7.88943410e+06 1.67e-11 6.58e-12 2.84e-03 2s 8 7.88952379e+06 7.88944197e+06 2.37e-12 1.74e-12 4.01e-04 3s 9 7.88945101e+06 7.88944435e+06 2.56e-13 1.80e-12 3.26e-05 3s Barrier solved model in 9 iterations and 3.10 seconds Optimal objective 7.88945101e+06