Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:48:55 2013 Optimize a model with 110000 rows, 165002 columns and 220000 nonzeros Model has 55000 quadratic constraints Presolve time: 0.12s Presolved: 110000 rows, 165002 columns, 220000 nonzeros Presolved model has 55000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.650e+05 Factor NZ : 3.850e+05 (roughly 110 MBytes of memory) Factor Ops : 1.375e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.70067263e+07 0.00000000e+00 6.81e-12 5.04e-01 2.94e+02 0s 1 9.53870850e+06 1.94883371e+06 9.23e-07 4.66e-05 4.60e+01 0s 2 7.15604257e+06 5.68986973e+06 1.33e-07 2.82e-06 8.89e+00 1s 3 6.57911729e+06 6.29455853e+06 2.95e-08 3.46e-07 1.72e+00 1s 4 6.41429924e+06 6.36878597e+06 2.97e-09 7.89e-08 2.76e-01 1s 5 6.39420730e+06 6.39199240e+06 2.76e-10 3.36e-12 1.34e-02 2s 6 6.39224254e+06 6.39205292e+06 2.09e-11 5.72e-12 1.15e-03 2s 7 6.39215442e+06 6.39208422e+06 9.07e-12 2.32e-12 4.25e-04 2s 8 6.39210835e+06 6.39208570e+06 3.45e-12 1.70e-12 1.37e-04 2s 9 6.39209250e+06 6.39208700e+06 9.02e-13 2.63e-12 3.33e-05 2s Barrier solved model in 9 iterations and 2.46 seconds Optimal objective 6.39209250e+06