Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:47:26 2013 Optimize a model with 8200 rows, 12302 columns and 16400 nonzeros Model has 4100 quadratic constraints Presolve time: 0.01s Presolved: 8200 rows, 12302 columns, 16400 nonzeros Presolved model has 4100 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.230e+04 Factor NZ : 2.870e+04 (roughly 8 MBytes of memory) Factor Ops : 1.025e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.55900188e+06 0.00000000e+00 7.11e-14 4.95e-01 2.99e+02 0s 1 7.11244859e+05 1.39329579e+05 3.93e-08 4.98e-05 4.65e+01 0s 2 5.26770461e+05 4.15340068e+05 4.21e-08 3.63e-06 9.06e+00 0s 3 4.84978638e+05 4.66162415e+05 1.34e-08 1.90e-07 1.53e+00 0s 4 4.70117514e+05 4.69724301e+05 1.19e-09 1.77e-08 3.20e-02 0s 5 4.69975047e+05 4.69958740e+05 1.17e-10 1.68e-11 1.33e-03 0s 6 4.69961923e+05 4.69959638e+05 6.47e-10 3.70e-10 1.86e-04 0s 7 4.69960352e+05 4.69959839e+05 1.46e-10 6.23e-12 4.17e-05 0s 8 4.69960103e+05 4.69959896e+05 6.02e-11 1.03e-12 1.68e-05 0s Barrier solved model in 8 iterations and 0.15 seconds Optimal objective 4.69960103e+05