Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:01:42 2013 Optimize a model with 30000 rows, 45002 columns and 60000 nonzeros Model has 15000 quadratic constraints Presolve time: 0.03s Presolved: 30000 rows, 45002 columns, 60000 nonzeros Presolved model has 15000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 4.500e+04 Factor NZ : 1.050e+05 (roughly 30 MBytes of memory) Factor Ops : 3.750e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.29581756e+07 0.00000000e+00 7.11e-13 5.01e-01 2.97e+02 0s 1 2.60258903e+06 5.26411292e+05 5.96e-08 4.85e-05 4.61e+01 0s 2 1.95307934e+06 1.54702257e+06 2.38e-08 3.07e-06 9.02e+00 0s 3 1.79355587e+06 1.71487385e+06 5.22e-09 3.79e-07 1.75e+00 0s 4 1.75354743e+06 1.73548893e+06 1.05e-09 9.01e-08 4.01e-01 0s 5 1.74354279e+06 1.74180826e+06 1.07e-10 5.40e-09 3.85e-02 0s 6 1.74271415e+06 1.74231498e+06 3.45e-11 7.55e-13 8.87e-03 0s 7 1.74234315e+06 1.74231565e+06 2.17e-12 1.51e-12 6.11e-04 1s 8 1.74232823e+06 1.74231776e+06 1.84e-10 1.86e-09 2.33e-04 1s 9 1.74232349e+06 1.74231807e+06 9.31e-11 1.01e-09 1.20e-04 1s 10 1.74232062e+06 1.74231838e+06 3.88e-11 2.91e-10 4.98e-05 1s 11 1.74231970e+06 1.74231854e+06 2.15e-11 1.56e-11 2.59e-05 1s Barrier solved model in 11 iterations and 0.76 seconds Optimal objective 1.74231970e+06