Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:25:25 2013 Optimize a model with 140000 rows, 210002 columns and 280000 nonzeros Model has 70000 quadratic constraints Presolve time: 0.16s Presolved: 140000 rows, 210002 columns, 280000 nonzeros Presolved model has 70000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.100e+05 Factor NZ : 4.900e+05 (roughly 150 MBytes of memory) Factor Ops : 1.750e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.93426711e+07 0.00000000e+00 1.32e-11 5.00e-01 2.92e+02 0s 1 1.20811363e+07 2.48358267e+06 9.66e-07 4.59e-05 4.57e+01 1s 2 9.06699637e+06 7.22421923e+06 1.38e-07 2.73e-06 8.78e+00 1s 3 8.33798020e+06 7.98568775e+06 3.04e-08 3.25e-07 1.68e+00 1s 4 8.14522635e+06 8.07431540e+06 4.73e-09 7.97e-08 3.38e-01 2s 5 8.10734392e+06 8.10143955e+06 2.54e-10 8.01e-09 2.81e-02 2s 6 8.10577731e+06 8.10468415e+06 9.41e-11 3.89e-10 5.21e-03 2s 7 8.10494011e+06 8.10484916e+06 7.72e-12 8.56e-12 4.33e-04 3s 8 8.10488818e+06 8.10485478e+06 3.12e-12 3.84e-12 1.59e-04 3s 9 8.10487307e+06 8.10485510e+06 2.56e-12 5.07e-12 8.56e-05 3s 10 8.10486816e+06 8.10485520e+06 4.56e-12 4.82e-12 6.17e-05 3s 11 8.10486691e+06 8.10485527e+06 5.68e-12 6.22e-12 5.54e-05 4s 12 8.10486495e+06 8.10485534e+06 4.77e-12 5.01e-12 4.57e-05 4s 13 8.10486340e+06 8.10485537e+06 4.15e-12 3.96e-12 3.83e-05 4s Barrier solved model in 13 iterations and 4.42 seconds Optimal objective 8.10486340e+06