Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:51:19 2013 Optimize a model with 112000 rows, 168002 columns and 224000 nonzeros Model has 56000 quadratic constraints Presolve time: 0.13s Presolved: 112000 rows, 168002 columns, 224000 nonzeros Presolved model has 56000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.680e+05 Factor NZ : 3.920e+05 (roughly 120 MBytes of memory) Factor Ops : 1.400e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.78220621e+07 0.00000000e+00 6.37e-12 5.03e-01 2.94e+02 0s 1 9.71108368e+06 1.98180296e+06 8.02e-07 4.66e-05 4.60e+01 0s 2 7.27869417e+06 5.77994530e+06 1.16e-07 2.85e-06 8.92e+00 1s 3 6.70018084e+06 6.39789786e+06 2.54e-08 3.49e-07 1.80e+00 1s 4 6.52461250e+06 6.47750367e+06 2.97e-09 6.59e-08 2.80e-01 1s 5 6.49907372e+06 6.49055792e+06 1.24e-10 2.25e-08 5.07e-02 2s 6 6.49798451e+06 6.49759016e+06 2.90e-11 1.83e-10 2.35e-03 2s 7 6.49767092e+06 6.49764800e+06 1.63e-12 4.99e-12 1.36e-04 2s 8 6.49765574e+06 6.49764887e+06 7.67e-13 6.26e-12 4.09e-05 2s 9 6.49765147e+06 6.49764912e+06 3.55e-13 6.28e-12 1.40e-05 3s Barrier solved model in 9 iterations and 2.52 seconds Optimal objective 6.49765147e+06