Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:49:35 2013 Optimize a model with 11200 rows, 16802 columns and 22400 nonzeros Model has 5600 quadratic constraints Presolve time: 0.01s Presolved: 11200 rows, 16802 columns, 22400 nonzeros Presolved model has 5600 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.680e+04 Factor NZ : 3.920e+04 (roughly 10 MBytes of memory) Factor Ops : 1.400e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.83624175e+06 0.00000000e+00 1.14e-13 4.90e-01 2.97e+02 0s 1 9.59218155e+05 1.94190538e+05 7.97e-08 4.92e-05 4.55e+01 0s 2 7.25737888e+05 5.77748134e+05 8.71e-09 3.31e-06 8.81e+00 0s 3 6.66127220e+05 6.39055077e+05 1.79e-09 3.89e-07 1.61e+00 0s 4 6.51682645e+05 6.45102377e+05 2.67e-10 1.35e-07 3.92e-01 0s 5 6.49477733e+05 6.48178360e+05 7.86e-11 1.37e-08 7.73e-02 0s 6 6.48631853e+05 6.48529830e+05 6.73e-12 4.26e-10 6.07e-03 0s 7 6.48562118e+05 6.48542411e+05 1.49e-12 5.67e-12 1.17e-03 0s 8 6.48547772e+05 6.48542891e+05 1.81e-09 3.10e-10 2.90e-04 0s 9 6.48545135e+05 6.48543018e+05 7.78e-10 4.24e-11 1.26e-04 0s 10 6.48544611e+05 6.48543061e+05 5.77e-10 2.44e-11 9.23e-05 0s 11 6.48544292e+05 6.48543090e+05 4.46e-10 2.57e-11 7.16e-05 0s 12 6.48543711e+05 6.48543145e+05 2.08e-10 1.36e-11 3.37e-05 0s Barrier solved model in 12 iterations and 0.30 seconds Optimal objective 6.48543711e+05