Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:44:38 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 6.74823924e+05 0.00000000e+00 2.84e-14 5.05e-01 3.01e+02 0s 1 1.31323306e+05 2.66998013e+04 1.94e-08 4.84e-05 4.53e+01 0s 2 1.04254803e+05 7.97938392e+04 1.98e-08 7.75e-06 1.06e+01 0s 3 9.14577319e+04 8.93604211e+04 1.46e-08 1.26e-06 9.08e-01 0s 4 8.95851883e+04 8.95092825e+04 5.00e-10 2.24e-08 3.29e-02 0s 5 8.95317861e+04 8.95205126e+04 5.88e-11 5.51e-09 4.88e-03 0s 6 8.95253282e+04 8.95225832e+04 6.62e-12 2.56e-09 1.19e-03 0s 7 8.95248647e+04 8.95240859e+04 3.24e-09 1.52e-10 3.37e-04 0s 8 8.95245152e+04 8.95244315e+04 2.39e-10 1.71e-11 3.62e-05 0s Barrier solved model in 8 iterations and 0.03 seconds Optimal objective 8.95245152e+04