Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:46:01 2013 Optimize a model with 5200 rows, 7802 columns and 10400 nonzeros Model has 2600 quadratic constraints Presolve time: 0.01s Presolved: 5200 rows, 7802 columns, 10400 nonzeros Presolved model has 2600 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 7.800e+03 Factor NZ : 1.820e+04 (roughly 5 MBytes of memory) Factor Ops : 6.500e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.23884296e+06 0.00000000e+00 4.26e-14 4.97e-01 2.96e+02 0s 1 4.44103139e+05 8.97635305e+04 1.20e-08 4.89e-05 4.54e+01 0s 2 3.34548828e+05 2.64867189e+05 1.90e-08 6.35e-06 8.93e+00 0s 3 3.06361097e+05 2.94084126e+05 5.46e-09 1.05e-06 1.57e+00 0s 4 3.00378865e+05 2.97629146e+05 8.62e-10 2.20e-07 3.53e-01 0s 5 2.98702493e+05 2.98256742e+05 3.54e-10 9.28e-08 5.71e-02 0s 6 2.98688435e+05 2.98675295e+05 1.69e-10 2.39e-09 1.68e-03 0s 7 2.98677788e+05 2.98677138e+05 5.46e-12 2.77e-10 8.34e-05 0s 8 2.98677577e+05 2.98677411e+05 2.68e-09 1.70e-09 2.12e-05 0s Barrier solved model in 8 iterations and 0.09 seconds Optimal objective 2.98677577e+05