Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:56:56 2013 Optimize a model with 118000 rows, 177002 columns and 236000 nonzeros Model has 59000 quadratic constraints Presolve time: 0.13s Presolved: 118000 rows, 177002 columns, 236000 nonzeros Presolved model has 59000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.770e+05 Factor NZ : 4.130e+05 (roughly 120 MBytes of memory) Factor Ops : 1.475e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.01165910e+07 0.00000000e+00 7.76e-12 4.97e-01 2.93e+02 0s 1 1.01741266e+07 2.06959936e+06 1.42e-06 4.65e-05 4.58e+01 0s 2 7.62001972e+06 6.04480183e+06 2.07e-07 2.85e-06 8.90e+00 1s 3 7.00942791e+06 6.69474303e+06 4.45e-08 3.45e-07 1.78e+00 1s 4 6.82745990e+06 6.77680900e+06 5.37e-09 6.80e-08 2.86e-01 1s 5 6.80157136e+06 6.79525442e+06 5.01e-10 9.78e-09 3.57e-02 2s 6 6.79886919e+06 6.79863326e+06 3.88e-11 7.32e-12 1.33e-03 2s 7 6.79867235e+06 6.79864114e+06 5.12e-12 9.29e-12 1.76e-04 2s 8 6.79865064e+06 6.79864188e+06 1.65e-12 6.07e-12 4.95e-05 2s 9 6.79864607e+06 6.79864205e+06 1.48e-12 3.80e-12 2.27e-05 3s Barrier solved model in 9 iterations and 2.65 seconds Optimal objective 6.79864607e+06