Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:53:02 2013 Optimize a model with 14800 rows, 22202 columns and 29600 nonzeros Model has 7400 quadratic constraints Presolve time: 0.02s Presolved: 14800 rows, 22202 columns, 29600 nonzeros Presolved model has 7400 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.220e+04 Factor NZ : 5.180e+04 (roughly 15 MBytes of memory) Factor Ops : 1.850e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.42401517e+06 0.00000000e+00 1.56e-13 5.02e-01 2.99e+02 0s 1 1.28233780e+06 2.58187780e+05 8.77e-08 4.91e-05 4.61e+01 0s 2 9.62952785e+05 7.61348472e+05 6.70e-08 3.53e-06 9.08e+00 0s 3 8.83628220e+05 8.44362436e+05 1.31e-08 4.58e-07 1.77e+00 0s 4 8.64008121e+05 8.56222676e+05 2.60e-09 7.20e-08 3.51e-01 0s 5 8.58725577e+05 8.58562500e+05 2.21e-11 8.94e-10 7.35e-03 0s 6 8.58650164e+05 8.58638468e+05 2.91e-12 2.46e-12 5.27e-04 0s 7 8.58639896e+05 8.58638809e+05 3.22e-10 2.00e-10 4.89e-05 0s 8 8.58639311e+05 8.58638940e+05 1.20e-10 7.58e-13 1.67e-05 0s Barrier solved model in 8 iterations and 0.27 seconds Optimal objective 8.58639311e+05