Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:27:20 2013 Optimize a model with 84000 rows, 126002 columns and 168000 nonzeros Model has 42000 quadratic constraints Presolve time: 0.09s Presolved: 84000 rows, 126002 columns, 168000 nonzeros Presolved model has 42000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.260e+05 Factor NZ : 2.940e+05 (roughly 90 MBytes of memory) Factor Ops : 1.050e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.60615616e+07 0.00000000e+00 1.98e-12 5.01e-01 2.96e+02 0s 1 7.27125468e+06 1.48113665e+06 9.05e-07 4.70e-05 4.60e+01 0s 2 5.46388667e+06 4.34552249e+06 1.69e-07 3.18e-06 8.88e+00 1s 3 5.02486405e+06 4.80444896e+06 3.81e-08 3.96e-07 1.75e+00 1s 4 4.90828415e+06 4.86349520e+06 6.26e-09 1.38e-07 3.55e-01 1s 5 4.88087915e+06 4.87436088e+06 1.43e-10 4.52e-08 5.17e-02 1s 6 4.88034976e+06 4.87995177e+06 6.08e-11 5.74e-11 3.16e-03 1s 7 4.88004112e+06 4.87995879e+06 1.28e-11 1.10e-11 6.53e-04 1s 8 4.87997508e+06 4.87996060e+06 2.25e-12 2.80e-12 1.15e-04 2s 9 4.87996467e+06 4.87996076e+06 6.82e-13 2.70e-12 3.11e-05 2s Barrier solved model in 9 iterations and 1.82 seconds Optimal objective 4.87996467e+06