Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:52:46 2013 Optimize a model with 14600 rows, 21902 columns and 29200 nonzeros Model has 7300 quadratic constraints Presolve time: 0.02s Presolved: 14600 rows, 21902 columns, 29200 nonzeros Presolved model has 7300 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.190e+04 Factor NZ : 5.110e+04 (roughly 15 MBytes of memory) Factor Ops : 1.825e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.35568428e+06 0.00000000e+00 1.56e-13 5.08e-01 3.00e+02 0s 1 1.27396187e+06 2.55263355e+05 4.28e-08 4.86e-05 4.65e+01 0s 2 9.53240653e+05 7.55147114e+05 3.17e-08 3.00e-06 9.05e+00 0s 3 8.75559129e+05 8.38074076e+05 6.32e-09 3.51e-07 1.71e+00 0s 4 8.53539727e+05 8.50255924e+05 8.49e-10 1.71e-08 1.50e-01 0s 5 8.50847011e+05 8.50782542e+05 1.77e-11 4.25e-11 2.94e-03 0s 6 8.50800294e+05 8.50788224e+05 3.50e-12 3.63e-13 5.51e-04 0s 7 8.50792085e+05 8.50788957e+05 9.95e-13 3.88e-13 1.43e-04 0s 8 8.50790607e+05 8.50789244e+05 6.54e-13 5.16e-13 6.22e-05 0s 9 8.50790051e+05 8.50789359e+05 6.25e-13 8.20e-13 3.16e-05 0s Barrier solved model in 9 iterations and 0.31 seconds Optimal objective 8.50790051e+05