Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:51:43 2013 Optimize a model with 112000 rows, 168002 columns and 224000 nonzeros Model has 56000 quadratic constraints Presolve time: 0.13s Presolved: 112000 rows, 168002 columns, 224000 nonzeros Presolved model has 56000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.680e+05 Factor NZ : 3.920e+05 (roughly 120 MBytes of memory) Factor Ops : 1.400e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.77768105e+07 0.00000000e+00 9.29e-12 5.01e-01 2.94e+02 0s 1 9.67144668e+06 1.98229775e+06 3.91e-07 4.65e-05 4.58e+01 0s 2 7.27611580e+06 5.79476604e+06 5.64e-08 2.79e-06 8.82e+00 1s 3 6.69271214e+06 6.40252131e+06 1.27e-08 3.42e-07 1.73e+00 1s 4 6.54116368e+06 6.48879022e+06 2.53e-09 3.80e-08 3.12e-01 1s 5 6.50274506e+06 6.49257632e+06 8.24e-11 2.56e-08 6.05e-02 2s 6 6.50142018e+06 6.50015261e+06 2.22e-11 2.34e-09 7.55e-03 2s 7 6.50108671e+06 6.50087890e+06 7.13e-12 1.42e-10 1.24e-03 2s 8 6.50097383e+06 6.50091731e+06 2.10e-12 2.54e-11 3.36e-04 2s 9 6.50093754e+06 6.50092429e+06 5.47e-13 3.09e-12 7.89e-05 2s 10 6.50092977e+06 6.50092583e+06 3.06e-13 2.44e-12 2.35e-05 3s Barrier solved model in 10 iterations and 2.70 seconds Optimal objective 6.50092977e+06