Gurobi 5.0.1 (linux64) logging started Tue Jan 22 21:54:32 2013 Optimize a model with 160000 rows, 240002 columns and 320000 nonzeros Model has 80000 quadratic constraints Presolve time: 0.19s Presolved: 160000 rows, 240002 columns, 320000 nonzeros Presolved model has 80000 second-order cone constraints Ordering time: 0.02s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.400e+05 Factor NZ : 5.600e+05 (roughly 170 MBytes of memory) Factor Ops : 2.000e+06 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.76310719e+07 0.00000000e+00 1.48e-11 5.03e-01 2.91e+02 0s 1 1.37751969e+07 2.85981959e+06 9.60e-07 4.54e-05 4.55e+01 1s 2 1.03865318e+07 8.30007622e+06 1.38e-07 2.68e-06 8.69e+00 1s 3 9.55809639e+06 9.15590231e+06 3.05e-08 3.23e-07 1.68e+00 2s 4 9.34510636e+06 9.25343188e+06 5.51e-09 8.80e-08 3.82e-01 2s 5 9.29488642e+06 9.28058681e+06 2.36e-10 2.52e-08 5.96e-02 2s 6 9.29327332e+06 9.29205801e+06 1.01e-10 3.26e-11 5.06e-03 3s 7 9.29254684e+06 9.29206363e+06 4.00e-11 1.36e-11 2.01e-03 3s 8 9.29229188e+06 9.29207144e+06 1.83e-11 2.92e-12 9.19e-04 3s 9 9.29209849e+06 9.29207509e+06 1.83e-12 5.40e-12 9.75e-05 4s 10 9.29208166e+06 9.29207715e+06 4.26e-13 4.90e-12 1.88e-05 4s Barrier solved model in 10 iterations and 3.98 seconds Optimal objective 9.29208166e+06