Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:36:57 2013 Optimize a model with 150000 rows, 225002 columns and 300000 nonzeros Model has 75000 quadratic constraints Presolve time: 0.18s Presolved: 150000 rows, 225002 columns, 300000 nonzeros Presolved model has 75000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.250e+05 Factor NZ : 5.250e+05 (roughly 160 MBytes of memory) Factor Ops : 1.875e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.33547259e+07 0.00000000e+00 1.46e-11 4.99e-01 2.91e+02 0s 1 1.29169934e+07 2.67404293e+06 1.67e-07 4.57e-05 4.55e+01 1s 2 9.72560349e+06 7.76239417e+06 2.40e-08 2.71e-06 8.73e+00 1s 3 8.94464752e+06 8.57057229e+06 5.23e-09 3.25e-07 1.66e+00 1s 4 8.74547378e+06 8.66429306e+06 9.10e-10 8.19e-08 3.61e-01 2s 5 8.70138406e+06 8.69159048e+06 5.89e-11 1.44e-08 4.35e-02 2s 6 8.69933230e+06 8.69787956e+06 2.43e-11 1.03e-11 6.46e-03 2s 7 8.69831457e+06 8.69788137e+06 7.43e-12 1.74e-12 1.93e-03 3s 8 8.69795682e+06 8.69788958e+06 1.13e-12 3.29e-12 2.99e-04 3s 9 8.69791057e+06 8.69789268e+06 3.55e-13 3.26e-12 7.95e-05 3s 10 8.69790044e+06 8.69789306e+06 1.29e-12 6.25e-12 3.28e-05 4s Barrier solved model in 10 iterations and 3.71 seconds Optimal objective 8.69790044e+06