Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:45:21 2013 Optimize a model with 2800 rows, 4202 columns and 5600 nonzeros Model has 1400 quadratic constraints Presolve time: 0.00s Presolved: 2800 rows, 4202 columns, 5600 nonzeros Presolved model has 1400 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 4.200e+03 Factor NZ : 9.803e+03 (roughly 3 MBytes of memory) Factor Ops : 3.500e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.19659922e+06 0.00000000e+00 2.84e-14 4.88e-01 2.95e+02 0s 1 2.42600436e+05 4.99844219e+04 1.64e-08 4.95e-05 4.59e+01 0s 2 1.82871180e+05 1.44727042e+05 3.16e-09 6.74e-06 9.08e+00 0s 3 1.66383317e+05 1.60024824e+05 3.11e-09 1.12e-06 1.51e+00 0s 4 1.63333044e+05 1.62495192e+05 1.41e-09 3.10e-07 1.99e-01 0s 5 1.63185214e+05 1.63168162e+05 6.13e-10 3.40e-08 4.06e-03 0s 6 1.63176089e+05 1.63173247e+05 1.42e-10 6.42e-09 6.77e-04 0s 7 1.63173853e+05 1.63173355e+05 9.66e-10 2.81e-09 1.18e-04 0s 8 1.63173580e+05 1.63173431e+05 2.86e-10 6.58e-10 3.55e-05 0s Barrier solved model in 8 iterations and 0.05 seconds Optimal objective 1.63173580e+05