Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:18:01 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 5.77014269e+07 0.00000000e+00 1.04e-11 5.01e-01 2.92e+02 0s 1 1.17572270e+07 2.41284420e+06 3.19e-07 4.61e-05 4.58e+01 1s 2 8.81477935e+06 7.01202278e+06 4.61e-08 2.78e-06 8.84e+00 1s 3 8.11762249e+06 7.75534140e+06 1.01e-08 3.35e-07 1.78e+00 1s 4 7.89470396e+06 7.86646119e+06 6.78e-10 1.49e-08 1.38e-01 2s 5 7.87381829e+06 7.87311899e+06 1.34e-11 1.36e-10 3.43e-03 2s 6 7.87335652e+06 7.87328406e+06 1.71e-12 3.60e-12 3.55e-04 2s 7 7.87331550e+06 7.87329049e+06 7.89e-13 2.24e-12 1.23e-04 2s 8 7.87329804e+06 7.87329123e+06 5.33e-13 4.00e-12 3.34e-05 3s Barrier solved model in 8 iterations and 2.74 seconds Optimal objective 7.87329804e+06