Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:52:36 2013 Optimize a model with 14400 rows, 21602 columns and 28800 nonzeros Model has 7200 quadratic constraints Presolve time: 0.02s Presolved: 14400 rows, 21602 columns, 28800 nonzeros Presolved model has 7200 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.160e+04 Factor NZ : 5.040e+04 (roughly 15 MBytes of memory) Factor Ops : 1.800e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.25470022e+06 0.00000000e+00 1.42e-13 5.02e-01 2.99e+02 0s 1 1.24784315e+06 2.51391913e+05 4.58e-08 4.91e-05 4.61e+01 0s 2 9.37287341e+05 7.41600598e+05 2.08e-08 3.86e-06 9.06e+00 0s 3 8.61339261e+05 8.22237831e+05 4.31e-09 5.00e-07 1.81e+00 0s 4 8.40746719e+05 8.32830488e+05 7.23e-10 1.11e-07 3.66e-01 0s 5 8.36131255e+05 8.34805961e+05 3.08e-12 4.15e-08 6.14e-02 0s 6 8.36079383e+05 8.36050983e+05 1.04e-12 7.56e-11 1.31e-03 0s 7 8.36056271e+05 8.36053222e+05 3.55e-13 9.25e-12 1.41e-04 0s 8 8.36054155e+05 8.36053564e+05 2.06e-13 1.68e-13 2.74e-05 0s Barrier solved model in 8 iterations and 0.26 seconds Optimal objective 8.36054155e+05