Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:40:37 2013 Optimize a model with 102000 rows, 153002 columns and 204000 nonzeros Model has 51000 quadratic constraints Presolve time: 0.12s Presolved: 102000 rows, 153002 columns, 204000 nonzeros Presolved model has 51000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.530e+05 Factor NZ : 3.570e+05 (roughly 100 MBytes of memory) Factor Ops : 1.275e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.35233875e+07 0.00000000e+00 4.85e-12 4.99e-01 2.94e+02 0s 1 8.82870327e+06 1.80162390e+06 1.45e-06 4.68e-05 4.59e+01 0s 2 6.62442359e+06 5.26354447e+06 2.10e-07 2.85e-06 8.89e+00 1s 3 6.08826577e+06 5.82536487e+06 4.64e-08 3.46e-07 1.72e+00 1s 4 5.93888085e+06 5.89246986e+06 5.52e-09 8.34e-08 3.03e-01 1s 5 5.91790726e+06 5.91483357e+06 6.32e-10 4.51e-10 2.01e-02 1s 6 5.91519644e+06 5.91504743e+06 2.39e-11 6.49e-11 9.74e-04 2s 7 5.91514333e+06 5.91508948e+06 1.19e-11 7.63e-13 3.52e-04 2s 8 5.91510191e+06 5.91509023e+06 3.32e-12 1.29e-12 7.63e-05 2s 9 5.91509445e+06 5.91509056e+06 1.78e-12 3.11e-12 2.54e-05 2s Barrier solved model in 9 iterations and 2.29 seconds Optimal objective 5.91509445e+06