Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:07:57 2013 Optimize a model with 128000 rows, 192002 columns and 256000 nonzeros Model has 64000 quadratic constraints Presolve time: 0.15s Presolved: 128000 rows, 192002 columns, 256000 nonzeros Presolved model has 64000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.920e+05 Factor NZ : 4.480e+05 (roughly 130 MBytes of memory) Factor Ops : 1.600e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.44398722e+07 0.00000000e+00 6.82e-12 5.03e-01 2.93e+02 0s 1 1.10821956e+07 2.27137985e+06 6.85e-07 4.63e-05 4.59e+01 1s 2 8.30778590e+06 6.60701605e+06 1.04e-07 2.79e-06 8.86e+00 1s 3 7.65072817e+06 7.30850492e+06 2.28e-08 3.37e-07 1.78e+00 1s 4 7.44390366e+06 7.41326567e+06 1.92e-09 1.56e-08 1.60e-01 2s 5 7.42046586e+06 7.41973589e+06 4.03e-11 2.29e-10 3.80e-03 2s 6 7.42000089e+06 7.41989969e+06 6.81e-12 1.98e-12 5.27e-04 2s 7 7.41993935e+06 7.41990610e+06 2.50e-12 5.83e-12 1.73e-04 2s 8 7.41991735e+06 7.41990726e+06 9.38e-13 4.60e-12 5.25e-05 3s 9 7.41991532e+06 7.41990754e+06 8.24e-13 2.21e-12 4.05e-05 3s 10 7.41991336e+06 7.41990841e+06 5.40e-13 2.00e-12 2.58e-05 3s Barrier solved model in 10 iterations and 3.10 seconds Optimal objective 7.41991336e+06