Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:58:43 2013 Optimize a model with 164000 rows, 246002 columns and 328000 nonzeros Model has 82000 quadratic constraints Presolve time: 0.19s Presolved: 164000 rows, 246002 columns, 328000 nonzeros Presolved model has 82000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.460e+05 Factor NZ : 5.740e+05 (roughly 170 MBytes of memory) Factor Ops : 2.050e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.91095099e+07 0.00000000e+00 6.79e-12 5.00e-01 2.90e+02 0s 1 1.41405830e+07 2.92865899e+06 9.02e-07 4.55e-05 4.56e+01 1s 2 1.06253230e+07 8.47324301e+06 1.30e-07 2.71e-06 8.75e+00 1s 3 9.78939158e+06 9.35918934e+06 2.83e-08 3.25e-07 1.75e+00 2s 4 9.52372591e+06 9.49115955e+06 1.83e-09 1.38e-08 1.32e-01 2s 5 9.49965679e+06 9.49888115e+06 3.72e-11 3.98e-11 3.15e-03 2s 6 9.49911149e+06 9.49902180e+06 4.73e-12 3.64e-12 3.65e-04 3s 7 9.49906408e+06 9.49903369e+06 1.85e-12 7.01e-12 1.24e-04 3s 8 9.49904417e+06 9.49903441e+06 9.02e-13 2.62e-12 3.97e-05 3s 9 9.49904154e+06 9.49903473e+06 7.39e-13 2.56e-12 2.77e-05 4s Barrier solved model in 9 iterations and 3.78 seconds Optimal objective 9.49904154e+06