Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:07:58 2013 Optimize a model with 168000 rows, 252002 columns and 336000 nonzeros Model has 84000 quadratic constraints Presolve time: 0.20s Presolved: 168000 rows, 252002 columns, 336000 nonzeros Presolved model has 84000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.520e+05 Factor NZ : 5.880e+05 (roughly 170 MBytes of memory) Factor Ops : 2.100e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.08089870e+07 0.00000000e+00 9.82e-12 5.01e-01 2.90e+02 0s 1 1.44725767e+07 2.99548064e+06 8.88e-07 4.53e-05 4.55e+01 1s 2 1.08742525e+07 8.67536336e+06 1.28e-07 2.68e-06 8.73e+00 1s 3 1.00052160e+07 9.58032648e+06 2.83e-08 3.23e-07 1.69e+00 2s 4 9.75521159e+06 9.68899081e+06 2.66e-09 7.48e-08 2.63e-01 2s 5 9.72678979e+06 9.72359733e+06 2.56e-10 1.98e-11 1.27e-02 2s 6 9.72393436e+06 9.72369361e+06 1.94e-11 1.82e-12 9.55e-04 3s 7 9.72375059e+06 9.72370652e+06 3.61e-12 1.33e-11 1.75e-04 3s 8 9.72372556e+06 9.72370929e+06 1.59e-12 1.40e-12 6.45e-05 3s 9 9.72371822e+06 9.72371057e+06 1.05e-12 2.51e-11 3.03e-05 4s Barrier solved model in 9 iterations and 3.87 seconds Optimal objective 9.72371822e+06