Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:49:21 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 4.77913671e+06 0.00000000e+00 8.53e-14 4.97e-01 2.99e+02 0s 1 9.57609067e+05 1.88185130e+05 3.11e-08 4.98e-05 4.66e+01 0s 2 7.09604349e+05 5.58657363e+05 3.53e-08 5.57e-06 9.15e+00 0s 3 6.49125833e+05 6.22782661e+05 4.51e-09 7.62e-07 1.60e+00 0s 4 6.32785441e+05 6.32208837e+05 2.11e-11 6.41e-09 3.49e-02 0s 5 6.32555868e+05 6.32408127e+05 8.10e-12 1.02e-10 8.95e-03 0s 6 6.32419057e+05 6.32410749e+05 2.84e-13 4.63e-11 5.04e-04 0s 7 6.32414663e+05 6.32413344e+05 7.11e-14 1.24e-12 8.00e-05 0s 8 6.32413889e+05 6.32413474e+05 2.77e-13 3.93e-13 2.51e-05 0s Barrier solved model in 8 iterations and 0.21 seconds Optimal objective 6.32413889e+05