Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:45:58 2013 Optimize a model with 5000 rows, 7502 columns and 10000 nonzeros Model has 2500 quadratic constraints Presolve time: 0.01s Presolved: 5000 rows, 7502 columns, 10000 nonzeros Presolved model has 2500 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 7.500e+03 Factor NZ : 1.750e+04 (roughly 5 MBytes of memory) Factor Ops : 6.250e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.19336524e+06 0.00000000e+00 4.26e-14 5.01e-01 3.02e+02 0s 1 4.34494324e+05 8.77194538e+04 4.32e-08 4.96e-05 4.62e+01 0s 2 3.27116400e+05 2.58185861e+05 2.42e-08 6.51e-06 9.19e+00 0s 3 2.98761127e+05 2.86870969e+05 1.61e-08 1.09e-06 1.59e+00 0s 4 2.92043226e+05 2.89470860e+05 4.14e-10 4.97e-07 3.43e-01 0s 5 2.91824455e+05 2.91122385e+05 3.28e-10 1.48e-07 9.36e-02 0s 6 2.91746672e+05 2.91712377e+05 7.14e-12 7.50e-09 4.57e-03 0s 7 2.91744165e+05 2.91735200e+05 1.42e-12 2.00e-09 1.20e-03 0s 8 2.91743459e+05 2.91740766e+05 8.53e-14 6.46e-10 3.59e-04 0s 9 2.91743337e+05 2.91741493e+05 2.13e-14 4.62e-10 2.46e-04 0s 10 2.91743286e+05 2.91742999e+05 1.23e-09 2.67e-09 3.83e-05 0s Barrier solved model in 10 iterations and 0.11 seconds Optimal objective 2.91743286e+05