Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:54:35 2013 Optimize a model with 116000 rows, 174002 columns and 232000 nonzeros Model has 58000 quadratic constraints Presolve time: 0.13s Presolved: 116000 rows, 174002 columns, 232000 nonzeros Presolved model has 58000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.740e+05 Factor NZ : 4.060e+05 (roughly 120 MBytes of memory) Factor Ops : 1.450e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.95454973e+07 0.00000000e+00 8.92e-12 5.04e-01 2.94e+02 0s 1 1.00479828e+07 2.04989978e+06 7.88e-07 4.66e-05 4.60e+01 0s 2 7.53325943e+06 5.98896873e+06 1.13e-07 2.81e-06 8.88e+00 1s 3 6.92373109e+06 6.62718372e+06 2.49e-08 3.39e-07 1.70e+00 1s 4 6.77335709e+06 6.70131757e+06 5.65e-09 8.65e-08 4.14e-01 1s 5 6.73200102e+06 6.70842305e+06 3.61e-10 6.31e-08 1.36e-01 2s 6 6.72917941e+06 6.72049620e+06 7.49e-11 2.47e-08 4.99e-02 2s 7 6.72875809e+06 6.72826456e+06 3.62e-11 2.89e-10 2.84e-03 2s 8 6.72838890e+06 6.72834581e+06 2.81e-12 4.03e-11 2.48e-04 2s 9 6.72837158e+06 6.72835850e+06 1.22e-12 6.00e-12 7.52e-05 3s 10 6.72836539e+06 6.72835931e+06 8.60e-13 2.08e-12 3.50e-05 3s Barrier solved model in 10 iterations and 2.87 seconds Optimal objective 6.72836539e+06