Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:47:09 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 4.60809930e+07 0.00000000e+00 7.03e-12 4.99e-01 2.94e+02 0s 1 9.34246780e+06 1.90996324e+06 1.15e-06 4.67e-05 4.59e+01 0s 2 7.00735978e+06 5.56941107e+06 1.67e-07 2.84e-06 8.88e+00 1s 3 6.45479067e+06 6.16367638e+06 3.71e-08 3.43e-07 1.80e+00 1s 4 6.27783450e+06 6.24965741e+06 2.99e-09 2.64e-08 1.74e-01 1s 5 6.25850246e+06 6.25803338e+06 5.96e-11 3.89e-12 2.90e-03 2s 6 6.25814967e+06 6.25808179e+06 9.18e-12 8.31e-12 4.19e-04 2s 7 6.25810116e+06 6.25808586e+06 2.25e-12 5.73e-12 9.44e-05 2s 8 6.25809350e+06 6.25808747e+06 1.14e-12 1.04e-11 3.73e-05 2s Barrier solved model in 8 iterations and 2.15 seconds Optimal objective 6.25809350e+06