Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:59:22 2013 Optimize a model with 120000 rows, 180002 columns and 240000 nonzeros Model has 60000 quadratic constraints Presolve time: 0.14s Presolved: 120000 rows, 180002 columns, 240000 nonzeros Presolved model has 60000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.800e+05 Factor NZ : 4.200e+05 (roughly 120 MBytes of memory) Factor Ops : 1.500e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.11666206e+07 0.00000000e+00 1.11e-11 5.04e-01 2.94e+02 0s 1 1.03962892e+07 2.12975947e+06 5.74e-07 4.64e-05 4.59e+01 0s 2 7.80348489e+06 6.20956679e+06 8.26e-08 2.79e-06 8.86e+00 1s 3 7.17588718e+06 6.86645053e+06 1.83e-08 3.42e-07 1.72e+00 1s 4 6.99478986e+06 6.94714032e+06 1.68e-09 7.78e-08 2.65e-01 1s 5 6.97448884e+06 6.97225461e+06 1.58e-10 8.29e-12 1.24e-02 2s 6 6.97250257e+06 6.97231279e+06 1.22e-11 3.52e-12 1.05e-03 2s 7 6.97240156e+06 6.97233983e+06 4.52e-12 1.37e-12 3.43e-04 2s 8 6.97236147e+06 6.97234140e+06 1.99e-12 2.06e-12 1.12e-04 2s 9 6.97234786e+06 6.97234267e+06 5.97e-13 2.01e-12 2.88e-05 3s Barrier solved model in 9 iterations and 2.69 seconds Optimal objective 6.97234786e+06