Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:59:09 2013 Optimize a model with 120000 rows, 180002 columns and 240000 nonzeros Model has 60000 quadratic constraints Presolve time: 0.14s Presolved: 120000 rows, 180002 columns, 240000 nonzeros Presolved model has 60000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.800e+05 Factor NZ : 4.200e+05 (roughly 120 MBytes of memory) Factor Ops : 1.500e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.09411882e+07 0.00000000e+00 1.03e-11 4.97e-01 2.92e+02 0s 1 1.03449877e+07 2.10487644e+06 2.00e-06 4.65e-05 4.58e+01 0s 2 7.74719469e+06 6.14577488e+06 2.91e-07 2.85e-06 8.90e+00 1s 3 7.12665225e+06 6.80655470e+06 6.27e-08 3.44e-07 1.78e+00 1s 4 6.94338782e+06 6.88953972e+06 8.16e-09 6.92e-08 2.99e-01 1s 5 6.91484623e+06 6.90637120e+06 1.16e-09 1.86e-08 4.71e-02 2s 6 6.91269086e+06 6.91208761e+06 2.48e-10 3.59e-11 3.35e-03 2s 7 6.91222723e+06 6.91209764e+06 5.27e-11 1.61e-11 7.20e-04 2s 8 6.91213043e+06 6.91210067e+06 1.16e-11 6.43e-12 1.65e-04 2s 9 6.91211046e+06 6.91210249e+06 3.22e-12 4.48e-12 4.43e-05 3s 10 6.91210587e+06 6.91210265e+06 2.06e-12 6.95e-12 1.79e-05 3s Barrier solved model in 10 iterations and 2.92 seconds Optimal objective 6.91210587e+06