Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:02:20 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 7.00155469e+07 0.00000000e+00 1.78e-11 5.02e-01 2.91e+02 0s 1 1.42962014e+07 2.95584552e+06 1.22e-06 4.55e-05 4.55e+01 1s 2 1.07446719e+07 8.56896306e+06 1.75e-07 2.70e-06 8.74e+00 1s 3 9.90450760e+06 9.46388729e+06 3.61e-08 3.29e-07 1.77e+00 2s 4 9.63906671e+06 9.59844989e+06 3.17e-09 1.55e-08 1.63e-01 2s 5 9.60782479e+06 9.60697328e+06 6.87e-11 5.89e-11 3.42e-03 2s 6 9.60721543e+06 9.60707697e+06 1.20e-11 8.58e-12 5.56e-04 3s 7 9.60712195e+06 9.60708528e+06 3.40e-12 1.33e-11 1.47e-04 3s 8 9.60710545e+06 9.60708846e+06 1.87e-12 2.08e-12 6.82e-05 3s 9 9.60709750e+06 9.60708944e+06 1.10e-12 7.51e-12 3.23e-05 4s Barrier solved model in 9 iterations and 3.76 seconds Optimal objective 9.60709750e+06