Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:52:56 2013 Optimize a model with 14800 rows, 22202 columns and 29600 nonzeros Model has 7400 quadratic constraints Presolve time: 0.02s Presolved: 14800 rows, 22202 columns, 29600 nonzeros Presolved model has 7400 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.220e+04 Factor NZ : 5.180e+04 (roughly 15 MBytes of memory) Factor Ops : 1.850e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.45589910e+06 0.00000000e+00 1.42e-13 5.09e-01 3.00e+02 0s 1 1.29450900e+06 2.57637306e+05 1.05e-07 4.87e-05 4.67e+01 0s 2 9.64789130e+05 7.60629355e+05 9.69e-08 5.84e-06 9.20e+00 0s 3 8.86666215e+05 8.45177438e+05 2.09e-08 7.39e-07 1.87e+00 0s 4 8.62654081e+05 8.56729006e+05 1.81e-09 1.23e-07 2.67e-01 0s 5 8.59415360e+05 8.59304002e+05 2.44e-11 2.55e-09 5.02e-03 0s 6 8.59373552e+05 8.59366480e+05 2.87e-12 4.96e-11 3.19e-04 0s 7 8.59369301e+05 8.59367858e+05 7.11e-13 3.41e-12 6.50e-05 0s 8 8.59368425e+05 8.59368007e+05 3.48e-13 7.22e-13 1.88e-05 0s Barrier solved model in 8 iterations and 0.27 seconds Optimal objective 8.59368425e+05