Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:49:59 2013 Optimize a model with 11800 rows, 17702 columns and 23600 nonzeros Model has 5900 quadratic constraints Presolve time: 0.01s Presolved: 11800 rows, 17702 columns, 23600 nonzeros Presolved model has 5900 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.770e+04 Factor NZ : 4.130e+04 (roughly 12 MBytes of memory) Factor Ops : 1.475e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 5.13439884e+06 0.00000000e+00 1.14e-13 4.96e-01 3.00e+02 0s 1 1.02554383e+06 2.04721921e+05 6.24e-08 4.91e-05 4.64e+01 0s 2 7.65660015e+05 6.04013170e+05 3.83e-08 6.24e-06 9.13e+00 0s 3 7.00552623e+05 6.72067859e+05 4.95e-09 8.99e-07 1.61e+00 0s 4 6.86079553e+05 6.79530278e+05 9.36e-10 2.39e-07 3.70e-01 0s 5 6.82483119e+05 6.80959027e+05 2.37e-11 1.16e-07 8.61e-02 0s 6 6.82393476e+05 6.82190146e+05 2.34e-11 1.78e-08 1.15e-02 0s 7 6.82348261e+05 6.82343239e+05 6.25e-13 3.69e-10 2.84e-04 0s 8 6.82347039e+05 6.82346231e+05 2.06e-13 3.24e-11 4.57e-05 0s 9 6.82346660e+05 6.82346386e+05 9.24e-14 1.53e-11 1.55e-05 0s Barrier solved model in 9 iterations and 0.24 seconds Optimal objective 6.82346660e+05