Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:54:24 2013 Optimize a model with 16000 rows, 24002 columns and 32000 nonzeros Model has 8000 quadratic constraints Presolve time: 0.02s Presolved: 16000 rows, 24002 columns, 32000 nonzeros Presolved model has 8000 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.400e+04 Factor NZ : 5.600e+04 (roughly 17 MBytes of memory) Factor Ops : 2.000e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.94137087e+06 0.00000000e+00 1.71e-13 5.02e-01 2.99e+02 0s 1 1.38544613e+06 2.79371226e+05 5.38e-08 4.90e-05 4.61e+01 0s 2 1.04084364e+06 8.22978138e+05 2.70e-08 3.54e-06 9.08e+00 0s 3 9.54866809e+05 9.12673142e+05 5.22e-09 4.59e-07 1.76e+00 0s 4 9.33950885e+05 9.25599863e+05 1.05e-09 6.91e-08 3.48e-01 0s 5 9.28214311e+05 9.28029699e+05 1.16e-11 1.29e-09 7.69e-03 0s 6 9.28130642e+05 9.28114921e+05 1.73e-12 1.27e-11 6.55e-04 0s 7 9.28117873e+05 9.28115967e+05 2.38e-10 2.10e-10 7.94e-05 0s 8 9.28116681e+05 9.28116162e+05 6.87e-11 1.77e-12 2.16e-05 0s Barrier solved model in 8 iterations and 0.30 seconds Optimal objective 9.28116681e+05