Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:23:46 2013 Optimize a model with 80000 rows, 120002 columns and 160000 nonzeros Model has 40000 quadratic constraints Presolve time: 0.09s Presolved: 80000 rows, 120002 columns, 160000 nonzeros Presolved model has 40000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.200e+05 Factor NZ : 2.800e+05 (roughly 80 MBytes of memory) Factor Ops : 1.000e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.42212228e+07 0.00000000e+00 4.11e-12 4.96e-01 2.95e+02 0s 1 6.90523551e+06 1.38946047e+06 1.42e-06 4.73e-05 4.60e+01 0s 2 5.16014882e+06 4.08725665e+06 2.04e-07 2.89e-06 8.94e+00 1s 3 4.73755650e+06 4.53284609e+06 4.45e-08 3.47e-07 1.71e+00 1s 4 4.61828337e+06 4.58580380e+06 5.70e-09 1.10e-07 2.71e-01 1s 5 4.60483250e+06 4.60310490e+06 6.21e-10 2.06e-11 1.44e-02 1s 6 4.60327542e+06 4.60315360e+06 4.37e-11 2.70e-12 1.02e-03 1s 7 4.60319518e+06 4.60315973e+06 1.31e-11 4.29e-12 2.95e-04 1s 8 4.60317071e+06 4.60316109e+06 3.70e-12 2.99e-12 8.02e-05 2s 9 4.60316564e+06 4.60316177e+06 1.67e-12 3.26e-12 3.22e-05 2s Barrier solved model in 9 iterations and 1.79 seconds Optimal objective 4.60316564e+06