Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:56:10 2013 Optimize a model with 13356 rows, 12996 columns and 51876 nonzeros Presolve removed 475 rows and 0 columns Presolve time: 0.07s Presolved: 12881 rows, 12996 columns, 50926 nonzeros Variable types: 12960 continuous, 36 integer (36 binary) Root relaxation: objective 3.589740e+04, 2020 iterations, 0.13 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 35897.3992 0 2 - 35897.3992 - - 0s H 0 0 36210.000000 35897.3992 0.86% - 0s H 0 0 35983.000000 35897.3992 0.24% - 0s 0 0 35898.0933 0 5 35983.0000 35898.0933 0.24% - 0s 0 0 35898.4064 0 5 35983.0000 35898.4064 0.24% - 0s 0 0 35898.4625 0 5 35983.0000 35898.4625 0.23% - 0s 0 0 35900.1604 0 3 35983.0000 35900.1604 0.23% - 0s 0 0 35902.8200 0 3 35983.0000 35902.8200 0.22% - 0s 0 0 35903.1208 0 3 35983.0000 35903.1208 0.22% - 0s 0 0 35903.1208 0 2 35983.0000 35903.1208 0.22% - 0s 0 0 35903.1208 0 3 35983.0000 35903.1208 0.22% - 0s 0 0 35903.1355 0 2 35983.0000 35903.1355 0.22% - 0s 0 2 35904.1785 0 2 35983.0000 35904.1785 0.22% - 1s * 4 0 3 35963.000000 35963.0000 0.0% 53.2 1s Cutting planes: Gomory: 1 Flow cover: 2 Explored 5 nodes (3061 simplex iterations) in 1.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.596300000000e+04, best bound 3.596300000000e+04, gap 0.0%