Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:43:52 2013 Optimize a model with 640 rows, 962 columns and 1280 nonzeros Model has 320 quadratic constraints Presolve time: 0.00s Presolved: 640 rows, 962 columns, 1280 nonzeros Presolved model has 320 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 9.600e+02 Factor NZ : 2.243e+03 Factor Ops : 8.005e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 2.70772128e+05 0.00000000e+00 2.84e-14 4.97e-01 2.91e+02 0s 1 5.47802892e+04 1.12005826e+04 1.21e-08 5.08e-05 4.54e+01 0s 2 4.28936698e+04 3.22497776e+04 1.33e-08 6.74e-06 1.11e+01 0s 3 3.75880260e+04 3.64463630e+04 1.37e-09 1.18e-06 1.19e+00 0s 4 3.66500676e+04 3.66241630e+04 4.87e-11 8.78e-08 2.70e-02 0s 5 3.66314382e+04 3.66266403e+04 7.93e-12 2.52e-08 5.00e-03 0s 6 3.66280798e+04 3.66271823e+04 6.82e-13 1.23e-08 9.35e-04 0s 7 3.66278687e+04 3.66275569e+04 2.56e-13 3.95e-09 3.25e-04 0s 8 3.66277928e+04 3.66277098e+04 1.14e-13 6.51e-10 8.65e-05 0s 9 3.66277578e+04 3.66277412e+04 5.19e-13 2.44e-11 1.73e-05 0s Barrier solved model in 9 iterations and 0.02 seconds Optimal objective 3.66277578e+04