Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:14:30 2013 Optimize a model with 64000 rows, 96002 columns and 128000 nonzeros Model has 32000 quadratic constraints Presolve time: 0.07s Presolved: 64000 rows, 96002 columns, 128000 nonzeros Presolved model has 32000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 9.600e+04 Factor NZ : 2.240e+05 (roughly 70 MBytes of memory) Factor Ops : 8.000e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.76178503e+07 0.00000000e+00 2.69e-12 5.02e-01 2.97e+02 0s 1 5.55997875e+06 1.12342805e+06 1.33e-06 4.78e-05 4.62e+01 0s 2 4.16649406e+06 3.30004109e+06 1.94e-07 3.00e-06 9.03e+00 0s 3 3.83494940e+06 3.65832658e+06 4.32e-08 3.67e-07 1.84e+00 1s 4 3.73588030e+06 3.70326653e+06 6.13e-09 7.97e-08 3.40e-01 1s 5 3.71679265e+06 3.71343799e+06 5.64e-11 1.72e-08 3.49e-02 1s 6 3.71656039e+06 3.71642218e+06 2.01e-11 5.64e-11 1.44e-03 1s 7 3.71645002e+06 3.71643188e+06 2.77e-12 2.22e-12 1.89e-04 1s 8 3.71643725e+06 3.71643191e+06 1.07e-12 1.14e-12 5.57e-05 1s 9 3.71643431e+06 3.71643221e+06 4.55e-13 4.90e-12 2.19e-05 1s Barrier solved model in 9 iterations and 1.44 seconds Optimal objective 3.71643431e+06