Gurobi 5.0.1 (linux64) logging started Tue Jan 22 19:47:12 2013 Optimize a model with 7800 rows, 11702 columns and 15600 nonzeros Model has 3900 quadratic constraints Presolve time: 0.01s Presolved: 7800 rows, 11702 columns, 15600 nonzeros Presolved model has 3900 second-order cone constraints Ordering time: 0.00s Barrier statistics: Dense cols : 2 Free vars : 2 AA' NZ : 1.170e+04 Factor NZ : 2.730e+04 (roughly 8 MBytes of memory) Factor Ops : 9.750e+04 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 3.38933885e+06 0.00000000e+00 5.68e-14 4.96e-01 2.99e+02 0s 1 6.77064049e+05 1.33161348e+05 1.10e-08 4.97e-05 4.65e+01 0s 2 5.02134718e+05 3.96515737e+05 5.12e-08 6.06e-06 9.03e+00 0s 3 4.59587583e+05 4.40879331e+05 1.10e-08 6.67e-07 1.60e+00 0s 4 4.48550003e+05 4.46708767e+05 5.68e-14 1.39e-07 1.57e-01 0s 5 4.48293792e+05 4.48257512e+05 2.84e-14 2.22e-09 3.10e-03 0s 6 4.48283598e+05 4.48280299e+05 6.39e-14 1.56e-10 2.82e-04 0s 7 4.48282403e+05 4.48281190e+05 9.24e-14 2.01e-10 1.04e-04 0s 8 4.48282076e+05 4.48281490e+05 5.68e-14 1.20e-10 5.01e-05 0s 9 4.48281985e+05 4.48281813e+05 2.84e-14 3.04e-11 1.47e-05 0s Barrier solved model in 9 iterations and 0.16 seconds Optimal objective 4.48281985e+05