Gurobi 5.0.1 (linux64) logging started Tue Jan 22 22:07:18 2013 Optimize a model with 168000 rows, 252002 columns and 336000 nonzeros Model has 84000 quadratic constraints Presolve time: 0.20s Presolved: 168000 rows, 252002 columns, 336000 nonzeros Presolved model has 84000 second-order cone constraints Ordering time: 0.03s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.520e+05 Factor NZ : 5.880e+05 (roughly 170 MBytes of memory) Factor Ops : 2.100e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 7.07922523e+07 0.00000000e+00 1.51e-11 5.01e-01 2.90e+02 0s 1 1.44593245e+07 3.00586284e+06 3.35e-06 4.53e-05 4.55e+01 1s 2 1.08976275e+07 8.70889130e+06 4.81e-07 2.67e-06 8.69e+00 1s 3 1.00272160e+07 9.60474436e+06 1.06e-07 3.24e-07 1.68e+00 2s 4 9.78977953e+06 9.71190592e+06 1.39e-08 7.82e-08 3.09e-01 2s 5 9.75202644e+06 9.74742318e+06 1.23e-09 8.35e-10 1.83e-02 2s 6 9.74848781e+06 9.74808607e+06 1.20e-10 3.10e-11 1.59e-03 3s 7 9.74817493e+06 9.74810733e+06 2.04e-11 3.05e-12 2.68e-04 3s 8 9.74812759e+06 9.74810953e+06 5.57e-12 1.86e-12 7.17e-05 3s 9 9.74811690e+06 9.74811021e+06 2.50e-12 5.96e-12 2.65e-05 4s Barrier solved model in 9 iterations and 3.85 seconds Optimal objective 9.74811690e+06