Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:52:32 2013 Optimize a model with 114000 rows, 171002 columns and 228000 nonzeros Model has 57000 quadratic constraints Presolve time: 0.13s Presolved: 114000 rows, 171002 columns, 228000 nonzeros Presolved model has 57000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.710e+05 Factor NZ : 3.990e+05 (roughly 120 MBytes of memory) Factor Ops : 1.425e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.87087229e+07 0.00000000e+00 7.57e-12 5.04e-01 2.94e+02 0s 1 9.87627515e+06 2.01394829e+06 6.59e-07 4.66e-05 4.60e+01 0s 2 7.40266738e+06 5.88426990e+06 9.48e-08 2.81e-06 8.88e+00 1s 3 6.80368782e+06 6.51219808e+06 2.09e-08 3.39e-07 1.70e+00 1s 4 6.65565364e+06 6.58506151e+06 4.69e-09 8.69e-08 4.13e-01 1s 5 6.61517481e+06 6.59197133e+06 2.91e-10 6.36e-08 1.36e-01 2s 6 6.61247564e+06 6.60402565e+06 6.00e-11 2.46e-08 4.94e-02 2s 7 6.61205991e+06 6.61160308e+06 2.78e-11 3.01e-10 2.67e-03 2s 8 6.61172510e+06 6.61168356e+06 2.25e-12 4.22e-11 2.43e-04 2s 9 6.61170845e+06 6.61169616e+06 9.66e-13 7.86e-13 7.19e-05 3s 10 6.61170264e+06 6.61169703e+06 7.32e-13 2.28e-12 3.28e-05 3s Barrier solved model in 10 iterations and 2.83 seconds Optimal objective 6.61170264e+06