Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:02:39 2013 Optimize a model with 166000 rows, 249002 columns and 332000 nonzeros Model has 83000 quadratic constraints Presolve time: 0.19s Presolved: 166000 rows, 249002 columns, 332000 nonzeros Presolved model has 83000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.490e+05 Factor NZ : 5.810e+05 (roughly 170 MBytes of memory) Factor Ops : 2.075e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.97730293e+07 0.00000000e+00 1.49e-11 4.97e-01 2.90e+02 0s 1 1.42847965e+07 2.95294842e+06 1.32e-06 4.56e-05 4.55e+01 1s 2 1.07299064e+07 8.54504381e+06 1.91e-07 2.75e-06 8.77e+00 1s 3 9.88211222e+06 9.44373598e+06 4.17e-08 3.29e-07 1.76e+00 2s 4 9.64025354e+06 9.55533270e+06 7.48e-09 6.49e-08 3.41e-01 2s 5 9.58666377e+06 9.57465714e+06 4.93e-11 2.24e-08 4.82e-02 2s 6 9.58585642e+06 9.58554357e+06 1.18e-11 1.17e-10 1.26e-03 3s 7 9.58562214e+06 9.58559412e+06 9.45e-13 1.56e-11 1.13e-04 3s 8 9.58561338e+06 9.58560362e+06 5.40e-13 2.06e-11 3.92e-05 3s 9 9.58560719e+06 9.58560367e+06 7.18e-13 1.04e-11 1.42e-05 4s Barrier solved model in 9 iterations and 3.80 seconds Optimal objective 9.58560719e+06