Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:24:54 2013 Optimize a model with 140000 rows, 210002 columns and 280000 nonzeros Model has 70000 quadratic constraints Presolve time: 0.16s Presolved: 140000 rows, 210002 columns, 280000 nonzeros Presolved model has 70000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.100e+05 Factor NZ : 4.900e+05 (roughly 150 MBytes of memory) Factor Ops : 1.750e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.93011422e+07 0.00000000e+00 1.36e-11 5.00e-01 2.92e+02 0s 1 1.20705681e+07 2.49071565e+06 5.00e-07 4.59e-05 4.56e+01 1s 2 9.08035263e+06 7.24403829e+06 7.18e-08 2.72e-06 8.74e+00 1s 3 8.35112849e+06 7.99708239e+06 1.58e-08 3.31e-07 1.69e+00 1s 4 8.15114905e+06 8.08630231e+06 1.93e-09 8.34e-08 3.09e-01 2s 5 8.12110960e+06 8.11742843e+06 1.65e-10 1.27e-09 1.75e-02 2s 6 8.11823873e+06 8.11810695e+06 6.50e-12 2.87e-11 6.28e-04 2s 7 8.11815286e+06 8.11812467e+06 1.66e-12 4.91e-12 1.34e-04 3s 8 8.11813225e+06 8.11812552e+06 9.38e-13 1.38e-11 3.20e-05 3s Barrier solved model in 8 iterations and 2.82 seconds Optimal objective 8.11813225e+06