Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:16:22 2013 Optimize a model with 68000 rows, 102002 columns and 136000 nonzeros Model has 34000 quadratic constraints Presolve time: 0.08s Presolved: 68000 rows, 102002 columns, 136000 nonzeros Presolved model has 34000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.020e+05 Factor NZ : 2.380e+05 (roughly 70 MBytes of memory) Factor Ops : 8.500e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.91524783e+07 0.00000000e+00 1.56e-12 4.95e-01 2.96e+02 0s 1 5.86800513e+06 1.17547724e+06 1.02e-06 4.75e-05 4.60e+01 0s 2 4.38077360e+06 3.46662550e+06 1.46e-07 2.91e-06 8.96e+00 0s 3 4.02049023e+06 3.84598368e+06 3.18e-08 3.54e-07 1.71e+00 1s 4 3.92437623e+06 3.89025046e+06 4.27e-09 9.06e-08 3.35e-01 1s 5 3.90810307e+06 3.90595858e+06 3.45e-10 2.57e-09 2.10e-02 1s 6 3.90670781e+06 3.90653249e+06 3.41e-11 9.11e-11 1.72e-03 1s 7 3.90658208e+06 3.90655420e+06 5.77e-12 1.76e-11 2.73e-04 1s 8 3.90656344e+06 3.90655602e+06 1.67e-12 9.33e-12 7.28e-05 1s 9 3.90655949e+06 3.90655617e+06 1.73e-12 1.86e-12 3.26e-05 2s Barrier solved model in 9 iterations and 1.53 seconds Optimal objective 3.90655949e+06