Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:04:08 2013 Optimize a model with 124000 rows, 186002 columns and 248000 nonzeros Model has 62000 quadratic constraints Presolve time: 0.27s Presolved: 124000 rows, 186002 columns, 248000 nonzeros Presolved model has 62000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.860e+05 Factor NZ : 4.340e+05 (roughly 130 MBytes of memory) Factor Ops : 1.550e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.26911545e+07 0.00000000e+00 6.59e-12 4.98e-01 2.93e+02 0s 1 1.07180903e+07 2.19674284e+06 9.59e-07 4.64e-05 4.58e+01 1s 2 8.03651038e+06 6.38805465e+06 1.39e-07 2.82e-06 8.86e+00 1s 3 7.39918411e+06 7.06773184e+06 3.03e-08 3.43e-07 1.78e+00 1s 4 7.20520146e+06 7.17065648e+06 3.26e-09 1.38e-08 1.86e-01 2s 5 7.17751369e+06 7.17549084e+06 7.44e-11 2.17e-09 1.09e-02 2s 6 7.17688853e+06 7.17659887e+06 2.01e-11 1.09e-10 1.56e-03 2s 7 7.17668361e+06 7.17665751e+06 2.01e-12 1.67e-11 1.40e-04 2s 8 7.17666777e+06 7.17665841e+06 1.39e-12 8.13e-12 5.03e-05 3s 9 7.17666369e+06 7.17665870e+06 1.42e-12 9.01e-12 2.69e-05 3s Barrier solved model in 9 iterations and 2.90 seconds Optimal objective 7.17666369e+06