Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:51:15 2013 Optimize a model with 13000 rows, 19502 columns and 26000 nonzeros Model has 6500 quadratic constraints Presolve time: 0.01s Presolved: 13000 rows, 19502 columns, 26000 nonzeros Presolved model has 6500 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.950e+04 Factor NZ : 4.550e+04 (roughly 13 MBytes of memory) Factor Ops : 1.625e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.61743282e+06 0.00000000e+00 1.28e-13 4.86e-01 2.98e+02 0s 1 1.12140398e+06 2.22177573e+05 5.67e-08 4.89e-05 4.61e+01 0s 2 8.36439314e+05 6.60026758e+05 5.52e-08 3.39e-06 9.05e+00 0s 3 7.69491087e+05 7.36675907e+05 1.02e-08 3.48e-07 1.68e+00 0s 4 7.45761888e+05 7.45274337e+05 5.68e-14 3.67e-13 2.50e-02 0s 5 7.45421430e+05 7.45367468e+05 2.84e-14 2.92e-13 2.77e-03 0s 6 7.45375136e+05 7.45368254e+05 2.97e-10 3.08e-10 3.53e-04 0s 7 7.45370526e+05 7.45368733e+05 3.57e-10 1.08e-09 9.20e-05 0s 8 7.45369211e+05 7.45368827e+05 6.75e-11 2.45e-10 1.96e-05 0s Barrier solved model in 8 iterations and 0.24 seconds Optimal objective 7.45369211e+05