Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:05:49 2013 Optimize a model with 44000 rows, 66002 columns and 88000 nonzeros Model has 22000 quadratic constraints Presolve time: 0.05s Presolved: 44000 rows, 66002 columns, 88000 nonzeros Presolved model has 22000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 6.600e+04 Factor NZ : 1.540e+05 (roughly 50 MBytes of memory) Factor Ops : 5.500e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.91098635e+07 0.00000000e+00 6.54e-13 5.06e-01 2.99e+02 0s 1 3.82737741e+06 7.68059419e+05 1.86e-07 4.82e-05 4.64e+01 0s 2 2.86536108e+06 2.26880228e+06 2.69e-08 3.00e-06 9.04e+00 0s 3 2.63105166e+06 2.51699538e+06 5.86e-09 3.64e-07 1.73e+00 0s 4 2.57285310e+06 2.54591684e+06 1.25e-09 9.40e-08 4.08e-01 1s 5 2.55773816e+06 2.54970581e+06 6.14e-11 5.98e-08 1.22e-01 1s 6 2.55689908e+06 2.55435126e+06 1.28e-11 1.97e-08 3.86e-02 1s 7 2.55672959e+06 2.55662428e+06 3.81e-12 2.70e-10 1.60e-03 1s 8 2.55666403e+06 2.55665269e+06 4.76e-13 2.84e-11 1.72e-04 1s 9 2.55666070e+06 2.55665568e+06 3.55e-13 2.91e-12 7.62e-05 1s 10 2.55665819e+06 2.55665592e+06 2.91e-13 2.89e-12 3.43e-05 1s Barrier solved model in 10 iterations and 1.03 seconds Optimal objective 2.55665819e+06