Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:00:51 2013 Optimize a model with 26000 rows, 39002 columns and 52000 nonzeros Model has 13000 quadratic constraints Presolve time: 0.03s Presolved: 26000 rows, 39002 columns, 52000 nonzeros Presolved model has 13000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 3.900e+04 Factor NZ : 9.100e+04 (roughly 27 MBytes of memory) Factor Ops : 3.250e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.12370127e+07 0.00000000e+00 3.27e-13 5.00e-01 2.98e+02 0s 1 2.24618501e+06 4.54851754e+05 1.79e-07 4.85e-05 4.59e+01 0s 2 1.68922618e+06 1.33978226e+06 2.61e-08 3.06e-06 8.96e+00 0s 3 1.55334423e+06 1.48442815e+06 5.40e-09 3.82e-07 1.77e+00 0s 4 1.51238738e+06 1.49934110e+06 3.31e-10 1.37e-07 3.35e-01 0s 5 1.50969837e+06 1.50416673e+06 1.18e-10 6.22e-08 1.42e-01 0s 6 1.50825077e+06 1.50810120e+06 2.84e-12 1.55e-09 3.84e-03 0s 7 1.50821824e+06 1.50818045e+06 7.25e-13 3.88e-10 9.69e-04 0s 8 1.50821070e+06 1.50819923e+06 2.34e-13 1.15e-10 2.94e-04 0s 9 1.50820833e+06 1.50820373e+06 9.24e-14 5.09e-11 1.18e-04 1s 10 1.50820747e+06 1.50820706e+06 2.84e-14 4.68e-13 1.07e-05 1s Barrier solved model in 10 iterations and 0.61 seconds Optimal objective 1.50820747e+06