Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:43:46 2013 Optimize a model with 440 rows, 662 columns and 880 nonzeros Model has 220 quadratic constraints Presolve time: 0.00s Presolved: 440 rows, 662 columns, 880 nonzeros Presolved model has 220 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 6.600e+02 Factor NZ : 1.543e+03 Factor Ops : 5.505e+03 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 1.89148928e+05 0.00000000e+00 2.84e-14 5.22e-01 2.95e+02 0s 1 3.79799470e+04 7.68692686e+03 2.79e-09 5.10e-05 4.59e+01 0s 2 2.79617112e+04 2.20305003e+04 1.06e-08 7.13e-06 8.99e+00 0s 3 2.55603239e+04 2.49395574e+04 1.11e-09 1.28e-06 9.41e-01 0s 4 2.51672998e+04 2.51301293e+04 5.17e-11 1.04e-07 5.63e-02 0s 5 2.51462716e+04 2.51437175e+04 1.29e-12 1.32e-08 3.87e-03 0s 6 2.51458464e+04 2.51456453e+04 3.60e-09 2.88e-09 3.05e-04 0s 7 2.51457313e+04 2.51456936e+04 3.37e-10 9.63e-10 5.71e-05 0s 8 2.51457223e+04 2.51457185e+04 9.27e-11 2.09e-12 5.80e-06 0s Barrier solved model in 8 iterations and 0.01 seconds Optimal objective 2.51457223e+04