Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:48:19 2013 Optimize a model with 9600 rows, 14402 columns and 19200 nonzeros Model has 4800 quadratic constraints Presolve time: 0.01s Presolved: 9600 rows, 14402 columns, 19200 nonzeros Presolved model has 4800 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.440e+04 Factor NZ : 3.360e+04 (roughly 10 MBytes of memory) Factor Ops : 1.200e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.18913452e+06 0.00000000e+00 7.11e-14 5.04e-01 3.01e+02 0s 1 8.38485068e+05 1.65050684e+05 6.80e-09 4.96e-05 4.68e+01 0s 2 6.22240148e+05 4.90592856e+05 7.45e-09 6.14e-06 9.14e+00 0s 3 5.73266665e+05 5.46822861e+05 7.05e-09 8.92e-07 1.84e+00 0s 4 5.55549439e+05 5.52472889e+05 1.06e-10 2.71e-07 2.14e-01 0s 5 5.54955381e+05 5.54827109e+05 2.15e-10 2.66e-08 8.91e-03 0s 6 5.54921983e+05 5.54875295e+05 4.21e-11 1.17e-08 3.24e-03 0s 7 5.54914345e+05 5.54911471e+05 4.89e-12 4.87e-10 2.00e-04 0s 8 5.54913779e+05 5.54912299e+05 2.36e-10 2.95e-10 1.03e-04 0s 9 5.54913293e+05 5.54912425e+05 8.19e-11 2.42e-10 6.03e-05 0s 10 5.54913157e+05 5.54912945e+05 9.85e-10 8.20e-11 1.47e-05 0s Barrier solved model in 10 iterations and 0.21 seconds Optimal objective 5.54913157e+05