Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:22:56 2013 Optimize a model with 78000 rows, 117002 columns and 156000 nonzeros Model has 39000 quadratic constraints Presolve time: 0.09s Presolved: 78000 rows, 117002 columns, 156000 nonzeros Presolved model has 39000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.170e+05 Factor NZ : 2.730e+05 (roughly 80 MBytes of memory) Factor Ops : 9.750e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.34061723e+07 0.00000000e+00 2.93e-12 4.96e-01 2.95e+02 0s 1 6.74256556e+06 1.36146167e+06 3.96e-07 4.74e-05 4.60e+01 0s 2 5.04519727e+06 4.00141149e+06 5.70e-08 2.88e-06 8.92e+00 1s 3 4.63554904e+06 4.43220633e+06 1.27e-08 3.52e-07 1.74e+00 1s 4 4.53251684e+06 4.48940193e+06 2.89e-09 5.78e-08 3.69e-01 1s 5 4.50354078e+06 4.49268627e+06 1.37e-10 4.16e-08 9.28e-02 1s 6 4.50197221e+06 4.49885096e+06 2.43e-11 1.28e-08 2.67e-02 1s 7 4.50174897e+06 4.50157065e+06 9.28e-12 1.76e-10 1.52e-03 1s 8 4.50162209e+06 4.50160590e+06 9.66e-13 1.55e-11 1.38e-04 2s 9 4.50161390e+06 4.50160874e+06 5.97e-13 4.56e-12 4.41e-05 2s 10 4.50161108e+06 4.50160893e+06 9.02e-13 2.36e-12 1.84e-05 2s Barrier solved model in 10 iterations and 1.90 seconds Optimal objective 4.50161108e+06