Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:00:02 2013 Optimize a model with 164000 rows, 246002 columns and 328000 nonzeros Model has 82000 quadratic constraints Presolve time: 0.19s Presolved: 164000 rows, 246002 columns, 328000 nonzeros Presolved model has 82000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.460e+05 Factor NZ : 5.740e+05 (roughly 170 MBytes of memory) Factor Ops : 2.050e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.90220883e+07 0.00000000e+00 8.10e-12 4.97e-01 2.90e+02 0s 1 1.40998805e+07 2.92195045e+06 7.37e-07 4.54e-05 4.54e+01 1s 2 1.06075206e+07 8.45872486e+06 1.07e-07 2.72e-06 8.73e+00 1s 3 9.77552287e+06 9.34047309e+06 2.35e-08 3.32e-07 1.77e+00 2s 4 9.51045358e+06 9.47422944e+06 1.79e-09 1.40e-08 1.47e-01 2s 5 9.48361634e+06 9.48189228e+06 8.36e-11 2.56e-10 7.01e-03 2s 6 9.48251457e+06 9.48212200e+06 2.01e-11 3.61e-11 1.60e-03 3s 7 9.48221089e+06 9.48216886e+06 2.07e-12 5.49e-12 1.71e-04 3s 8 9.48219204e+06 9.48217307e+06 1.09e-12 4.50e-12 7.71e-05 3s 9 9.48218566e+06 9.48217363e+06 8.53e-13 5.17e-12 4.89e-05 4s 10 9.48218085e+06 9.48217367e+06 5.19e-13 2.07e-12 2.92e-05 4s Barrier solved model in 10 iterations and 4.12 seconds Optimal objective 9.48218085e+06