Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:37 2013 Optimize a model with 1540 rows, 2312 columns and 3080 nonzeros Model has 770 quadratic constraints Presolve time: 0.00s Presolved: 1540 rows, 2312 columns, 3080 nonzeros Presolved model has 770 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.310e+03 Factor NZ : 5.393e+03 (roughly 2 MBytes of memory) Factor Ops : 1.926e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.66553270e+05 0.00000000e+00 2.84e-14 4.79e-01 2.98e+02 0s 1 1.30064867e+05 2.57813259e+04 6.92e-09 4.91e-05 4.51e+01 0s 2 9.76074561e+04 7.69677362e+04 3.67e-08 6.43e-06 8.93e+00 0s 3 8.92058173e+04 8.58528139e+04 7.94e-09 9.67e-07 1.45e+00 0s 4 8.71775074e+04 8.70242488e+04 9.79e-10 1.46e-07 6.63e-02 0s 5 8.71247235e+04 8.71208128e+04 4.75e-11 1.80e-09 1.69e-03 0s 6 8.71221982e+04 8.71217557e+04 1.52e-10 6.16e-10 1.92e-04 0s 7 8.71220837e+04 8.71219157e+04 1.60e-10 2.97e-09 7.28e-05 0s 8 8.71220545e+04 8.71219253e+04 1.20e-10 2.07e-09 5.59e-05 0s 9 8.71220013e+04 8.71219258e+04 6.01e-11 2.03e-09 3.27e-05 0s Barrier solved model in 9 iterations and 0.03 seconds Optimal objective 8.71220013e+04