Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:15:42 2013 Optimize a model with 66000 rows, 99002 columns and 132000 nonzeros Model has 33000 quadratic constraints Presolve time: 0.07s Presolved: 66000 rows, 99002 columns, 132000 nonzeros Presolved model has 33000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 9.900e+04 Factor NZ : 2.310e+05 (roughly 70 MBytes of memory) Factor Ops : 8.250e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.83797264e+07 0.00000000e+00 3.21e-12 4.98e-01 2.96e+02 0s 1 5.71884441e+06 1.15014600e+06 6.44e-07 4.77e-05 4.61e+01 0s 2 4.27662873e+06 3.38912901e+06 9.26e-08 2.91e-06 8.96e+00 0s 3 3.92942866e+06 3.75532728e+06 2.09e-08 3.54e-07 1.76e+00 1s 4 3.84056717e+06 3.80444587e+06 4.68e-09 5.59e-08 3.65e-01 1s 5 3.81612984e+06 3.80917065e+06 2.46e-10 2.85e-08 7.03e-02 1s 6 3.81477933e+06 3.81278191e+06 4.63e-11 8.92e-09 2.02e-02 1s 7 3.81459689e+06 3.81442216e+06 2.07e-11 1.35e-10 1.76e-03 1s 8 3.81446044e+06 3.81444541e+06 1.89e-12 1.00e-11 1.52e-04 1s 9 3.81445256e+06 3.81444733e+06 9.38e-13 5.47e-13 5.28e-05 1s 10 3.81445010e+06 3.81444744e+06 1.44e-12 1.79e-12 2.68e-05 2s Barrier solved model in 10 iterations and 1.60 seconds Optimal objective 3.81445010e+06