Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:26:33 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 5.99609263e+07 0.00000000e+00 5.78e-12 4.97e-01 2.91e+02 0s 1 1.22228606e+07 2.50866958e+06 2.02e-06 4.61e-05 4.56e+01 1s 2 9.17291943e+06 7.29233473e+06 2.93e-07 2.81e-06 8.83e+00 1s 3 8.44953823e+06 8.06680438e+06 6.55e-08 3.37e-07 1.80e+00 1s 4 8.23320372e+06 8.16060619e+06 1.06e-08 7.58e-08 3.41e-01 2s 5 8.19166121e+06 8.18070878e+06 3.79e-10 2.29e-08 5.14e-02 2s 6 8.18998396e+06 8.18920413e+06 3.88e-11 1.46e-09 3.66e-03 2s 7 8.18983053e+06 8.18964869e+06 8.16e-12 3.50e-10 8.54e-04 3s 8 8.18979174e+06 8.18972304e+06 2.84e-13 1.73e-10 3.23e-04 3s 9 8.18978994e+06 8.18978759e+06 1.42e-13 8.70e-12 1.10e-05 3s Barrier solved model in 9 iterations and 3.22 seconds Optimal objective 8.18978994e+06