Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:45:51 2013 Optimize a model with 156000 rows, 234002 columns and 312000 nonzeros Model has 78000 quadratic constraints Presolve time: 0.19s Presolved: 156000 rows, 234002 columns, 312000 nonzeros Presolved model has 78000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.340e+05 Factor NZ : 5.460e+05 (roughly 160 MBytes of memory) Factor Ops : 1.950e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.57974611e+07 0.00000000e+00 6.28e-12 4.99e-01 2.91e+02 0s 1 1.34266675e+07 2.78417491e+06 7.39e-07 4.56e-05 4.55e+01 1s 2 1.01126371e+07 8.07424870e+06 1.06e-07 2.70e-06 8.71e+00 1s 3 9.30156482e+06 8.91301650e+06 2.31e-08 3.23e-07 1.66e+00 2s 4 9.09980606e+06 9.01047682e+06 4.54e-09 8.06e-08 3.82e-01 2s 5 9.04875892e+06 9.03625648e+06 2.77e-10 1.91e-08 5.34e-02 2s 6 9.04649071e+06 9.04486970e+06 1.15e-10 1.84e-11 6.93e-03 3s 7 9.04527966e+06 9.04487904e+06 2.83e-11 2.07e-12 1.71e-03 3s 8 9.04500190e+06 9.04488354e+06 8.34e-12 4.95e-12 5.06e-04 3s 9 9.04493155e+06 9.04488564e+06 3.29e-12 2.48e-12 1.96e-04 4s 10 9.04490837e+06 9.04488641e+06 1.61e-12 2.78e-12 9.38e-05 4s 11 9.04489124e+06 9.04488707e+06 3.69e-13 1.84e-12 1.78e-05 4s Barrier solved model in 11 iterations and 4.43 seconds Optimal objective 9.04489124e+06