Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:41:41 2013 Optimize a model with 152000 rows, 228002 columns and 304000 nonzeros Model has 76000 quadratic constraints Presolve time: 0.20s Presolved: 152000 rows, 228002 columns, 304000 nonzeros Presolved model has 76000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.280e+05 Factor NZ : 5.320e+05 (roughly 160 MBytes of memory) Factor Ops : 1.900e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.43094724e+07 0.00000000e+00 9.04e-12 5.02e-01 2.91e+02 0s 1 1.31358531e+07 2.71459047e+06 2.33e-07 4.58e-05 4.57e+01 1s 2 9.87338544e+06 7.86472947e+06 3.38e-08 2.76e-06 8.81e+00 1s 3 9.09492069e+06 8.69058786e+06 7.39e-09 3.35e-07 1.77e+00 2s 4 8.86287147e+06 8.79448895e+06 9.85e-10 6.69e-08 3.00e-01 2s 5 8.82308890e+06 8.80939895e+06 2.59e-12 3.06e-08 6.00e-02 2s 6 8.82265841e+06 8.82245425e+06 7.67e-13 5.66e-11 8.95e-04 3s 7 8.82248830e+06 8.82247896e+06 2.63e-13 5.71e-12 4.10e-05 3s 8 8.82248270e+06 8.82248099e+06 2.77e-13 1.62e-12 7.51e-06 3s Barrier solved model in 8 iterations and 3.09 seconds Optimal objective 8.82248270e+06