Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:28:13 2013 Optimize a model with 142000 rows, 213002 columns and 284000 nonzeros Model has 71000 quadratic constraints Presolve time: 0.16s Presolved: 142000 rows, 213002 columns, 284000 nonzeros Presolved model has 71000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.130e+05 Factor NZ : 4.970e+05 (roughly 150 MBytes of memory) Factor Ops : 1.775e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.01532641e+07 0.00000000e+00 1.25e-11 5.00e-01 2.92e+02 0s 1 1.22502941e+07 2.51999527e+06 1.50e-06 4.58e-05 4.57e+01 1s 2 9.19579909e+06 7.32830274e+06 2.54e-07 2.73e-06 8.77e+00 1s 3 8.45679227e+06 8.09986353e+06 5.59e-08 3.23e-07 1.68e+00 1s 4 8.25608013e+06 8.18992173e+06 7.42e-09 7.86e-08 3.11e-01 2s 5 8.22266242e+06 8.21958781e+06 4.06e-10 1.66e-09 1.44e-02 2s 6 8.22071925e+06 8.22039848e+06 4.17e-11 1.76e-10 1.51e-03 2s 7 8.22054895e+06 8.22049437e+06 9.19e-12 5.55e-12 2.56e-04 3s 8 8.22051436e+06 8.22049947e+06 2.74e-12 5.44e-12 6.99e-05 3s 9 8.22050465e+06 8.22049980e+06 1.45e-12 4.26e-12 2.28e-05 3s Barrier solved model in 9 iterations and 3.20 seconds Optimal objective 8.22050465e+06