Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:43:03 2013 Optimize a model with 188000 rows, 282002 columns and 376000 nonzeros Model has 94000 quadratic constraints Presolve time: 0.22s Presolved: 188000 rows, 282002 columns, 376000 nonzeros Presolved model has 94000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.820e+05 Factor NZ : 6.580e+05 (roughly 200 MBytes of memory) Factor Ops : 2.350e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.89167366e+07 0.00000000e+00 1.36e-11 5.02e-01 2.89e+02 1s 1 1.61926091e+07 3.37512247e+06 1.47e-06 4.50e-05 4.55e+01 1s 2 1.21876728e+07 9.72988553e+06 2.12e-07 2.68e-06 8.72e+00 1s 3 1.12385657e+07 1.07392315e+07 4.73e-08 3.23e-07 1.77e+00 2s 4 1.09498746e+07 1.08629701e+07 6.39e-09 6.99e-08 3.08e-01 2s 5 1.09020102e+07 1.08890452e+07 2.66e-10 1.89e-08 4.60e-02 3s 6 1.08994795e+07 1.08992637e+07 1.44e-11 1.22e-10 7.65e-04 3s 7 1.08993769e+07 1.08993351e+07 4.13e-12 3.14e-12 1.48e-04 3s 8 1.08993417e+07 1.08993357e+07 1.29e-12 3.42e-12 2.14e-05 4s Barrier solved model in 8 iterations and 3.82 seconds Optimal objective 1.08993417e+07