Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:15:51 2013 Optimize a model with 174000 rows, 261002 columns and 348000 nonzeros Model has 87000 quadratic constraints Presolve time: 0.20s Presolved: 174000 rows, 261002 columns, 348000 nonzeros Presolved model has 87000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.610e+05 Factor NZ : 6.090e+05 (roughly 180 MBytes of memory) Factor Ops : 2.175e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.32337729e+07 0.00000000e+00 1.95e-11 5.01e-01 2.90e+02 1s 1 1.49666010e+07 3.10040545e+06 2.11e-06 4.53e-05 4.55e+01 1s 2 1.12521689e+07 8.97763069e+06 3.03e-07 2.69e-06 8.71e+00 1s 3 1.03728796e+07 9.91278518e+06 6.70e-08 3.27e-07 1.76e+00 2s 4 1.00904943e+07 1.00536095e+07 7.88e-09 3.06e-08 1.41e-01 2s 5 1.00630279e+07 1.00622329e+07 1.85e-10 1.11e-11 3.05e-03 2s 6 1.00624425e+07 1.00623052e+07 3.31e-11 1.26e-11 5.26e-04 3s 7 1.00623522e+07 1.00623137e+07 9.45e-12 8.35e-12 1.47e-04 3s 8 1.00623372e+07 1.00623176e+07 5.37e-12 7.08e-12 7.49e-05 3s 9 1.00623283e+07 1.00623187e+07 2.61e-12 5.25e-12 3.69e-05 4s Barrier solved model in 9 iterations and 3.93 seconds Optimal objective 1.00623283e+07