Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:34:23 2013 Optimize a model with 148000 rows, 222002 columns and 296000 nonzeros Model has 74000 quadratic constraints Presolve time: 0.17s Presolved: 148000 rows, 222002 columns, 296000 nonzeros Presolved model has 74000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.220e+05 Factor NZ : 5.180e+05 (roughly 150 MBytes of memory) Factor Ops : 1.850e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.25822352e+07 0.00000000e+00 1.12e-11 5.00e-01 2.91e+02 0s 1 1.27735554e+07 2.63235692e+06 1.22e-06 4.58e-05 4.57e+01 1s 2 9.58750500e+06 7.63660547e+06 1.76e-07 2.74e-06 8.79e+00 1s 3 8.83282570e+06 8.44036680e+06 3.87e-08 3.29e-07 1.77e+00 1s 4 8.58875394e+06 8.55870050e+06 2.32e-09 1.85e-08 1.35e-01 2s 5 8.56885883e+06 8.56743039e+06 1.46e-10 6.85e-12 6.43e-03 2s 6 8.56769730e+06 8.56747536e+06 2.23e-11 3.60e-12 1.00e-03 2s 7 8.56753676e+06 8.56748998e+06 4.96e-12 2.95e-13 2.11e-04 3s 8 8.56750394e+06 8.56749169e+06 1.52e-12 2.80e-12 5.52e-05 3s 9 8.56749958e+06 8.56749405e+06 9.31e-13 4.02e-12 2.49e-05 3s Barrier solved model in 9 iterations and 3.37 seconds Optimal objective 8.56749958e+06