Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:58:53 2013 Optimize a model with 19400 rows, 29102 columns and 38800 nonzeros Model has 9700 quadratic constraints Presolve time: 0.02s Presolved: 19400 rows, 29102 columns, 38800 nonzeros Presolved model has 9700 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.910e+04 Factor NZ : 6.790e+04 (roughly 20 MBytes of memory) Factor Ops : 2.425e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 8.42815906e+06 0.00000000e+00 2.84e-13 4.96e-01 2.99e+02 0s 1 1.69051462e+06 3.33975310e+05 2.66e-08 4.93e-05 4.66e+01 0s 2 1.25664098e+06 9.90264782e+05 3.11e-08 3.74e-06 9.15e+00 0s 3 1.15753381e+06 1.10162171e+06 6.13e-09 4.59e-07 1.92e+00 0s 4 1.12033483e+06 1.11886206e+06 6.39e-14 8.91e-09 5.06e-02 0s 5 1.11955780e+06 1.11949015e+06 2.84e-14 4.83e-11 2.32e-03 0s 6 1.11950527e+06 1.11949551e+06 2.69e-10 9.30e-10 3.35e-04 0s 7 1.11949721e+06 1.11949577e+06 3.78e-11 4.93e-13 4.97e-05 0s 8 1.11949640e+06 1.11949587e+06 1.42e-11 7.94e-13 1.82e-05 0s Barrier solved model in 8 iterations and 0.36 seconds Optimal objective 1.11949640e+06