Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:29:16 2013 Optimize a model with 88000 rows, 132002 columns and 176000 nonzeros Model has 44000 quadratic constraints Presolve time: 0.10s Presolved: 88000 rows, 132002 columns, 176000 nonzeros Presolved model has 44000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.320e+05 Factor NZ : 3.080e+05 (roughly 100 MBytes of memory) Factor Ops : 1.100e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.77860814e+07 0.00000000e+00 4.39e-12 5.03e-01 2.96e+02 0s 1 7.64762259e+06 1.54705649e+06 9.69e-07 4.71e-05 4.62e+01 0s 2 5.71356867e+06 4.52853329e+06 1.40e-07 2.89e-06 8.98e+00 1s 3 5.24673660e+06 5.02048029e+06 3.08e-08 3.43e-07 1.71e+00 1s 4 5.12737087e+06 5.07892103e+06 5.64e-09 7.86e-08 3.67e-01 1s 5 5.09994063e+06 5.09443078e+06 4.28e-10 1.16e-08 4.17e-02 1s 6 5.09841394e+06 5.09740635e+06 1.69e-10 6.17e-12 7.63e-03 1s 7 5.09746031e+06 5.09741229e+06 6.22e-12 3.10e-12 3.64e-04 2s 8 5.09743783e+06 5.09741443e+06 3.18e-12 1.76e-12 1.77e-04 2s 9 5.09742407e+06 5.09741500e+06 1.34e-12 3.34e-13 6.87e-05 2s 10 5.09742159e+06 5.09741508e+06 1.24e-12 2.09e-12 4.93e-05 2s 11 5.09741936e+06 5.09741524e+06 7.67e-13 2.28e-12 3.12e-05 2s Barrier solved model in 11 iterations and 2.35 seconds Optimal objective 5.09741936e+06