Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:49:25 2013 Optimize a model with 11000 rows, 16502 columns and 22000 nonzeros Model has 5500 quadratic constraints Presolve time: 0.01s Presolved: 11000 rows, 16502 columns, 22000 nonzeros Presolved model has 5500 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.650e+04 Factor NZ : 3.850e+04 (roughly 10 MBytes of memory) Factor Ops : 1.375e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.75140307e+06 0.00000000e+00 9.95e-14 4.91e-01 2.97e+02 0s 1 9.43220695e+05 1.91199212e+05 8.56e-08 4.92e-05 4.56e+01 0s 2 7.13830773e+05 5.68164388e+05 2.79e-08 3.65e-06 8.83e+00 0s 3 6.55499073e+05 6.28583579e+05 9.48e-09 5.02e-07 1.63e+00 0s 4 6.41262487e+05 6.34536639e+05 1.55e-09 1.93e-07 4.08e-01 0s 5 6.38902750e+05 6.37054220e+05 4.82e-10 4.38e-08 1.12e-01 0s 6 6.37839504e+05 6.37799257e+05 4.95e-12 1.02e-09 2.44e-03 0s 7 6.37824137e+05 6.37819721e+05 1.07e-12 3.23e-12 2.68e-04 0s 8 6.37821147e+05 6.37819913e+05 6.04e-13 6.81e-13 7.48e-05 0s 9 6.37820647e+05 6.37819992e+05 5.68e-13 4.73e-13 3.96e-05 0s 10 6.37820486e+05 6.37820027e+05 1.25e-12 2.42e-13 2.78e-05 0s Barrier solved model in 10 iterations and 0.25 seconds Optimal objective 6.37820486e+05