Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:03:47 2013 Optimize a model with 38000 rows, 57002 columns and 76000 nonzeros Model has 19000 quadratic constraints Presolve time: 0.04s Presolved: 38000 rows, 57002 columns, 76000 nonzeros Presolved model has 19000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 5.700e+04 Factor NZ : 1.330e+05 (roughly 40 MBytes of memory) Factor Ops : 4.750e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.64667798e+07 0.00000000e+00 1.02e-12 5.01e-01 2.98e+02 0s 1 3.30014776e+06 6.64847017e+05 2.51e-07 4.83e-05 4.62e+01 0s 2 2.47533352e+06 1.96124007e+06 3.64e-08 3.01e-06 9.02e+00 0s 3 2.27329602e+06 2.17394059e+06 8.00e-09 3.70e-07 1.74e+00 0s 4 2.21577522e+06 2.20029461e+06 7.53e-10 8.34e-08 2.72e-01 0s 5 2.20928550e+06 2.20840808e+06 8.62e-11 2.04e-11 1.54e-02 1s 6 2.20849058e+06 2.20842079e+06 5.76e-12 9.27e-12 1.22e-03 1s 7 2.20845505e+06 2.20843407e+06 2.05e-12 6.13e-13 3.68e-04 1s 8 2.20843856e+06 2.20843519e+06 3.41e-13 1.04e-12 5.91e-05 1s 9 2.20843733e+06 2.20843587e+06 2.42e-13 1.64e-12 2.57e-05 1s Barrier solved model in 9 iterations and 0.82 seconds Optimal objective 2.20843733e+06