Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:46:46 2013 Optimize a model with 108000 rows, 162002 columns and 216000 nonzeros Model has 54000 quadratic constraints Presolve time: 0.12s Presolved: 108000 rows, 162002 columns, 216000 nonzeros Presolved model has 54000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.620e+05 Factor NZ : 3.780e+05 (roughly 100 MBytes of memory) Factor Ops : 1.350e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 4.59324065e+07 0.00000000e+00 7.94e-12 4.96e-01 2.93e+02 0s 1 9.30822105e+06 1.88943776e+06 8.73e-07 4.67e-05 4.58e+01 0s 2 6.97053357e+06 5.52840499e+06 1.27e-07 2.86e-06 8.90e+00 1s 3 6.41401203e+06 6.12408241e+06 2.76e-08 3.47e-07 1.79e+00 1s 4 6.23957208e+06 6.21420658e+06 2.28e-09 1.41e-08 1.57e-01 1s 5 6.22192920e+06 6.21933524e+06 2.73e-10 8.40e-11 1.60e-02 2s 6 6.21990317e+06 6.21940779e+06 5.17e-11 1.94e-11 3.06e-03 2s 7 6.21951667e+06 6.21943258e+06 8.41e-12 4.00e-12 5.19e-04 2s 8 6.21946274e+06 6.21943910e+06 2.52e-12 4.59e-12 1.46e-04 2s 9 6.21944651e+06 6.21944041e+06 5.76e-13 1.08e-11 3.77e-05 2s Barrier solved model in 9 iterations and 2.42 seconds Optimal objective 6.21944651e+06