Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:06:22 2013 Optimize a model with 46000 rows, 69002 columns and 92000 nonzeros Model has 23000 quadratic constraints Presolve time: 0.05s Presolved: 46000 rows, 69002 columns, 92000 nonzeros Presolved model has 23000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 6.900e+04 Factor NZ : 1.610e+05 (roughly 50 MBytes of memory) Factor Ops : 5.750e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.99666297e+07 0.00000000e+00 1.18e-12 5.06e-01 2.99e+02 0s 1 4.00362316e+06 8.09893163e+05 3.29e-07 4.81e-05 4.63e+01 0s 2 3.00760523e+06 2.38736356e+06 4.76e-08 2.96e-06 8.99e+00 0s 3 2.76287214e+06 2.64335666e+06 1.04e-08 3.67e-07 1.73e+00 0s 4 2.69950269e+06 2.67380465e+06 1.71e-09 9.55e-08 3.72e-01 1s 5 2.68604738e+06 2.68396284e+06 9.17e-11 9.08e-09 3.02e-02 1s 6 2.68548912e+06 2.68510349e+06 3.36e-11 4.60e-10 5.59e-03 1s 7 2.68518428e+06 2.68516481e+06 1.53e-12 8.86e-12 2.82e-04 1s 8 2.68517229e+06 2.68516650e+06 6.11e-13 6.10e-13 8.40e-05 1s 9 2.68517071e+06 2.68516657e+06 3.30e-12 1.76e-12 6.00e-05 1s 10 2.68516906e+06 2.68516664e+06 2.25e-12 1.03e-12 3.51e-05 1s Barrier solved model in 10 iterations and 1.09 seconds Optimal objective 2.68516906e+06