Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:46:11 2013 Optimize a model with 5600 rows, 8402 columns and 11200 nonzeros Model has 2800 quadratic constraints Presolve time: 0.01s Presolved: 5600 rows, 8402 columns, 11200 nonzeros Presolved model has 2800 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 8.400e+03 Factor NZ : 1.960e+04 (roughly 6 MBytes of memory) Factor Ops : 7.000e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.45492987e+06 0.00000000e+00 2.84e-14 5.01e-01 3.02e+02 0s 1 4.86780922e+05 9.78740755e+04 5.97e-08 4.95e-05 4.63e+01 0s 2 3.65997937e+05 2.89146952e+05 3.58e-08 6.34e-06 9.15e+00 0s 3 3.34335654e+05 3.21350127e+05 6.90e-09 9.56e-07 1.55e+00 0s 4 3.26746734e+05 3.25543712e+05 6.03e-10 2.06e-07 1.43e-01 0s 5 3.26510949e+05 3.26493199e+05 1.77e-11 2.05e-09 2.11e-03 0s 6 3.26504386e+05 3.26500903e+05 4.22e-12 3.21e-10 4.15e-04 0s 7 3.26502902e+05 3.26501479e+05 1.62e-12 1.80e-10 1.69e-04 0s 8 3.26502427e+05 3.26502082e+05 4.94e-13 3.35e-11 4.10e-05 0s 9 3.26502309e+05 3.26502144e+05 4.53e-12 1.86e-11 1.96e-05 0s Barrier solved model in 9 iterations and 0.12 seconds Optimal objective 3.26502309e+05