Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:07:38 2013 Optimize a model with 168000 rows, 252002 columns and 336000 nonzeros Model has 84000 quadratic constraints Presolve time: 0.20s Presolved: 168000 rows, 252002 columns, 336000 nonzeros Presolved model has 84000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.520e+05 Factor NZ : 5.880e+05 (roughly 170 MBytes of memory) Factor Ops : 2.100e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.08858881e+07 0.00000000e+00 1.51e-11 5.03e-01 2.91e+02 0s 1 1.44511378e+07 3.00852904e+06 2.84e-06 4.51e-05 4.54e+01 1s 2 1.09053495e+07 8.72127761e+06 4.08e-07 2.66e-06 8.67e+00 1s 3 1.00355206e+07 9.61618886e+06 1.09e-07 3.98e-07 1.66e+00 2s 4 9.80590173e+06 9.71882173e+06 1.65e-08 1.06e-07 3.46e-01 2s 5 9.76125998e+06 9.75363918e+06 8.41e-10 1.18e-08 3.02e-02 2s 6 9.75952936e+06 9.75840598e+06 3.20e-10 1.38e-10 4.46e-03 3s 7 9.75852358e+06 9.75846349e+06 1.37e-11 8.27e-13 2.38e-04 3s 8 9.75849331e+06 9.75846479e+06 6.71e-12 1.28e-11 1.13e-04 3s 9 9.75847436e+06 9.75846609e+06 2.01e-12 7.28e-12 3.28e-05 4s Barrier solved model in 9 iterations and 3.86 seconds Optimal objective 9.75847436e+06