Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:23:17 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 5.93270564e+07 0.00000000e+00 1.13e-11 5.01e-01 2.92e+02 0s 1 1.20973612e+07 2.48642121e+06 5.92e-07 4.60e-05 4.58e+01 1s 2 9.07419621e+06 7.22139010e+06 8.55e-08 2.77e-06 8.82e+00 1s 3 8.35681524e+06 7.98482887e+06 1.87e-08 3.34e-07 1.77e+00 1s 4 8.13126008e+06 8.09909690e+06 1.50e-09 1.45e-08 1.53e-01 2s 5 8.10659552e+06 8.10559371e+06 2.54e-11 5.02e-10 4.77e-03 2s 6 8.10606767e+06 8.10601559e+06 2.08e-12 1.18e-11 2.48e-04 2s 7 8.10604304e+06 8.10602189e+06 1.09e-12 3.80e-12 1.01e-04 3s 8 8.10602724e+06 8.10602214e+06 1.14e-12 1.96e-12 2.43e-05 3s Barrier solved model in 8 iterations and 2.83 seconds Optimal objective 8.10602724e+06