Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:52:47 2013 Optimize a model with 14600 rows, 21902 columns and 29200 nonzeros Model has 7300 quadratic constraints Presolve time: 0.02s Presolved: 14600 rows, 21902 columns, 29200 nonzeros Presolved model has 7300 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.190e+04 Factor NZ : 5.110e+04 (roughly 15 MBytes of memory) Factor Ops : 1.825e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.34443720e+06 0.00000000e+00 1.71e-13 4.97e-01 2.99e+02 0s 1 1.26997981e+06 2.50322128e+05 4.65e-08 4.93e-05 4.66e+01 0s 2 9.44088730e+05 7.44177017e+05 2.52e-08 3.70e-06 9.13e+00 0s 3 8.68137070e+05 8.28220341e+05 5.52e-09 4.40e-07 1.82e+00 0s 4 8.42412399e+05 8.39189009e+05 8.03e-11 6.25e-08 1.47e-01 0s 5 8.41281515e+05 8.40966493e+05 2.47e-12 8.42e-09 1.44e-02 0s 6 8.41248756e+05 8.41243699e+05 2.27e-13 5.53e-11 2.31e-04 0s 7 8.41247011e+05 8.41245383e+05 1.78e-13 4.83e-12 7.43e-05 0s 8 8.41246255e+05 8.41245505e+05 2.20e-13 1.18e-12 3.42e-05 0s Barrier solved model in 8 iterations and 0.27 seconds Optimal objective 8.41246255e+05