Gurobi 5.0.1 (linux64) logging started Tue Jan 22 20:21:07 2013 Optimize a model with 76000 rows, 114002 columns and 152000 nonzeros Model has 38000 quadratic constraints Presolve time: 0.08s Presolved: 76000 rows, 114002 columns, 152000 nonzeros Presolved model has 38000 second-order cone constraints Ordering time: 0.01s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.140e+05 Factor NZ : 2.660e+05 (roughly 80 MBytes of memory) Factor Ops : 9.500e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.25253389e+07 0.00000000e+00 4.12e-12 4.95e-01 2.95e+02 0s 1 6.55916076e+06 1.31878337e+06 4.23e-07 4.73e-05 4.60e+01 0s 2 4.90046507e+06 3.88064709e+06 6.10e-08 2.90e-06 8.95e+00 1s 3 4.49868146e+06 4.30451198e+06 1.33e-08 3.48e-07 1.70e+00 1s 4 4.38642836e+06 4.35463919e+06 1.33e-09 8.32e-08 2.79e-01 1s 5 4.37291455e+06 4.37122405e+06 1.39e-10 1.12e-10 1.48e-02 1s 6 4.37141370e+06 4.37129654e+06 9.68e-12 1.48e-11 1.03e-03 1s 7 4.37133574e+06 4.37130435e+06 2.77e-12 3.24e-12 2.75e-04 1s 8 4.37131332e+06 4.37130553e+06 9.09e-13 1.07e-12 6.84e-05 2s 9 4.37131013e+06 4.37130611e+06 6.82e-13 8.56e-12 3.53e-05 2s Barrier solved model in 9 iterations and 1.73 seconds Optimal objective 4.37131013e+06