Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:47:04 2013 Optimize a model with 156000 rows, 234002 columns and 312000 nonzeros Model has 78000 quadratic constraints Presolve time: 0.20s Presolved: 156000 rows, 234002 columns, 312000 nonzeros Presolved model has 78000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.340e+05 Factor NZ : 5.460e+05 (roughly 160 MBytes of memory) Factor Ops : 1.950e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.59732186e+07 0.00000000e+00 9.88e-12 5.03e-01 2.91e+02 0s 1 1.34647180e+07 2.78743351e+06 1.01e-06 4.56e-05 4.56e+01 1s 2 1.01247215e+07 8.07858052e+06 1.45e-07 2.71e-06 8.74e+00 1s 3 9.31573626e+06 8.92207024e+06 3.21e-08 3.28e-07 1.68e+00 2s 4 9.09264599e+06 9.02390822e+06 3.98e-09 7.46e-08 2.94e-01 2s 5 9.05950809e+06 9.05498510e+06 3.86e-10 1.32e-09 1.93e-02 2s 6 9.05591872e+06 9.05570054e+06 1.54e-11 1.09e-10 9.32e-04 3s 7 9.05580370e+06 9.05577106e+06 3.25e-12 2.68e-12 1.39e-04 3s 8 9.05577982e+06 9.05577258e+06 1.02e-12 8.85e-12 3.09e-05 3s Barrier solved model in 8 iterations and 3.24 seconds Optimal objective 9.05577982e+06