Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:40:10 2013 Optimize a model with 152000 rows, 228002 columns and 304000 nonzeros Model has 76000 quadratic constraints Presolve time: 0.20s Presolved: 152000 rows, 228002 columns, 304000 nonzeros Presolved model has 76000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.280e+05 Factor NZ : 5.320e+05 (roughly 160 MBytes of memory) Factor Ops : 1.900e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.42183948e+07 0.00000000e+00 8.75e-12 5.00e-01 2.91e+02 0s 1 1.31148028e+07 2.70617693e+06 9.39e-07 4.57e-05 4.57e+01 1s 2 9.84723996e+06 7.84621313e+06 1.35e-07 2.73e-06 8.78e+00 1s 3 9.07227573e+06 8.67019808e+06 2.97e-08 3.28e-07 1.76e+00 2s 4 8.82313404e+06 8.79213548e+06 1.87e-09 1.69e-08 1.36e-01 2s 5 8.80110313e+06 8.80046248e+06 4.40e-11 3.37e-12 2.81e-03 2s 6 8.80063439e+06 8.80051650e+06 8.04e-12 5.21e-12 5.17e-04 3s 7 8.80057403e+06 8.80053134e+06 3.28e-12 4.88e-12 1.87e-04 3s 8 8.80054667e+06 8.80053171e+06 1.46e-12 4.37e-12 6.56e-05 3s 9 8.80054090e+06 8.80053401e+06 7.82e-13 2.67e-12 3.02e-05 3s Barrier solved model in 9 iterations and 3.49 seconds Optimal objective 8.80054090e+06