Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:48:04 2013 Optimize a model with 9200 rows, 13802 columns and 18400 nonzeros Model has 4600 quadratic constraints Presolve time: 0.01s Presolved: 9200 rows, 13802 columns, 18400 nonzeros Presolved model has 4600 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.380e+04 Factor NZ : 3.220e+04 (roughly 10 MBytes of memory) Factor Ops : 1.150e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.99271553e+06 0.00000000e+00 8.53e-14 4.89e-01 2.99e+02 0s 1 8.00039478e+05 1.58828897e+05 2.43e-08 4.95e-05 4.65e+01 0s 2 5.95159206e+05 4.68100924e+05 2.69e-08 3.94e-06 9.21e+00 0s 3 5.44953943e+05 5.21836085e+05 6.18e-09 5.42e-07 1.68e+00 0s 4 5.32144706e+05 5.29304412e+05 7.44e-10 4.93e-08 2.06e-01 0s 5 5.30236617e+05 5.29853608e+05 1.78e-11 1.73e-08 2.78e-02 0s 6 5.30196878e+05 5.30170914e+05 6.76e-12 7.34e-11 1.88e-03 0s 7 5.30175548e+05 5.30172466e+05 9.88e-13 1.51e-13 2.23e-04 0s 8 5.30174208e+05 5.30172520e+05 9.59e-13 3.28e-13 1.22e-04 0s 9 5.30173569e+05 5.30172539e+05 1.17e-12 2.06e-13 7.46e-05 0s 10 5.30173273e+05 5.30172546e+05 9.45e-13 4.74e-13 5.26e-05 0s 11 5.30173105e+05 5.30172563e+05 8.60e-13 6.75e-13 3.93e-05 0s 12 5.30172918e+05 5.30172572e+05 5.97e-13 4.22e-13 2.51e-05 0s Barrier solved model in 12 iterations and 0.25 seconds Optimal objective 5.30172918e+05