Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:47:00 2013 Optimize a model with 7400 rows, 11102 columns and 14800 nonzeros Model has 3700 quadratic constraints Presolve time: 0.01s Presolved: 7400 rows, 11102 columns, 14800 nonzeros Presolved model has 3700 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.110e+04 Factor NZ : 2.590e+04 (roughly 8 MBytes of memory) Factor Ops : 9.250e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.20958181e+06 0.00000000e+00 4.26e-14 4.96e-01 2.99e+02 0s 1 6.38314500e+05 1.28594126e+05 5.50e-08 4.99e-05 4.59e+01 0s 2 4.79331954e+05 3.79359317e+05 2.15e-08 6.36e-06 9.01e+00 0s 3 4.41236541e+05 4.22220176e+05 9.69e-09 8.01e-07 1.71e+00 0s 4 4.28085964e+05 4.26917175e+05 1.15e-09 1.11e-07 1.05e-01 0s 5 4.27773517e+05 4.27759482e+05 1.95e-10 6.23e-09 1.26e-03 0s 6 4.27767720e+05 4.27764673e+05 5.22e-10 1.79e-09 2.75e-04 0s 7 4.27765350e+05 4.27764966e+05 5.64e-11 2.45e-10 3.46e-05 0s Barrier solved model in 7 iterations and 0.12 seconds Optimal objective 4.27765350e+05