Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:47:32 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 4.60375176e+07 0.00000000e+00 5.43e-12 4.99e-01 2.94e+02 0s 1 9.32660728e+06 1.90226997e+06 4.37e-07 4.67e-05 4.58e+01 0s 2 6.99563917e+06 5.56511121e+06 4.70e-08 7.36e-06 8.83e+00 1s 3 6.42554828e+06 6.13430330e+06 1.09e-08 9.59e-07 1.80e+00 1s 4 6.29516540e+06 6.21833509e+06 2.65e-09 2.45e-07 4.74e-01 1s 5 6.25034336e+06 6.22830925e+06 3.72e-11 1.63e-07 1.36e-01 1s 6 6.24894387e+06 6.24784266e+06 1.09e-11 4.11e-09 6.80e-03 2s 7 6.24842223e+06 6.24830020e+06 1.11e-12 4.59e-10 7.53e-04 2s 8 6.24837715e+06 6.24835386e+06 3.41e-13 4.06e-11 1.44e-04 2s 9 6.24836560e+06 6.24835837e+06 2.63e-13 7.83e-12 4.46e-05 2s 10 6.24836200e+06 6.24835896e+06 5.76e-13 3.75e-12 1.88e-05 3s Barrier solved model in 10 iterations and 2.57 seconds Optimal objective 6.24836200e+06