Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:59:11 2013 Optimize a model with 19600 rows, 29402 columns and 39200 nonzeros Model has 9800 quadratic constraints Presolve time: 0.02s Presolved: 19600 rows, 29402 columns, 39200 nonzeros Presolved model has 9800 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 2.940e+04 Factor NZ : 6.860e+04 (roughly 20 MBytes of memory) Factor Ops : 2.450e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 8.51169345e+06 0.00000000e+00 2.98e-13 4.96e-01 2.99e+02 0s 1 1.70784994e+06 3.37093873e+05 1.19e-07 4.94e-05 4.66e+01 0s 2 1.26876216e+06 9.99350290e+05 1.70e-08 3.10e-06 9.16e+00 0s 3 1.17054258e+06 1.11207410e+06 3.64e-09 3.80e-07 1.99e+00 0s 4 1.13108614e+06 1.12936494e+06 7.11e-14 1.03e-08 5.85e-02 0s 5 1.13023781e+06 1.13016737e+06 2.84e-14 4.66e-11 2.40e-03 0s 6 1.13018173e+06 1.13017288e+06 1.27e-10 5.92e-10 3.01e-04 0s 7 1.13017508e+06 1.13017312e+06 2.73e-11 5.17e-13 6.67e-05 0s 8 1.13017410e+06 1.13017318e+06 1.25e-11 4.83e-13 3.10e-05 0s Barrier solved model in 8 iterations and 0.38 seconds Optimal objective 1.13017410e+06