Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:11:24 2013 Optimize a model with 58000 rows, 87002 columns and 116000 nonzeros Model has 29000 quadratic constraints Presolve time: 0.06s Presolved: 58000 rows, 87002 columns, 116000 nonzeros Presolved model has 29000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 8.700e+04 Factor NZ : 2.030e+05 (roughly 60 MBytes of memory) Factor Ops : 7.250e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.49881984e+07 0.00000000e+00 2.13e-12 4.97e-01 2.97e+02 0s 1 5.03043208e+06 1.01161471e+06 1.02e-06 4.80e-05 4.62e+01 0s 2 3.75939865e+06 2.97432829e+06 2.00e-07 3.32e-06 9.02e+00 0s 3 3.46045111e+06 3.29975943e+06 4.48e-08 4.10e-07 1.85e+00 1s 4 3.36525227e+06 3.34972486e+06 4.67e-09 1.79e-08 1.78e-01 1s 5 3.35299988e+06 3.35136744e+06 5.70e-11 7.77e-09 1.88e-02 1s 6 3.35284262e+06 3.35273974e+06 2.18e-11 2.93e-11 1.18e-03 1s 7 3.35276865e+06 3.35274490e+06 5.36e-12 2.49e-12 2.73e-04 1s 8 3.35275040e+06 3.35274573e+06 1.19e-12 4.00e-12 5.36e-05 1s 9 3.35274763e+06 3.35274587e+06 1.13e-12 7.19e-14 2.02e-05 1s Barrier solved model in 9 iterations and 1.28 seconds Optimal objective 3.35274763e+06