Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:13:02 2012 Optimize a model with 2760 rows, 2162 columns and 10258 nonzeros Presolve time: 0.06s Presolved: 2760 rows, 2162 columns, 10258 nonzeros Variable types: 0 continuous, 2162 integer (2162 binary) Found heuristic solution: objective 22.0000000 Found heuristic solution: objective 3.0000000 Root relaxation: objective 2.000000e+00, 2385 iterations, 0.09 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 2.00000 0 92 3.00000 2.00000 33.3% - 0s 0 0 2.00000 0 92 3.00000 2.00000 33.3% - 0s 0 0 2.00000 0 140 3.00000 2.00000 33.3% - 1s 0 0 2.00000 0 140 3.00000 2.00000 33.3% - 1s 0 0 2.00000 0 140 3.00000 2.00000 33.3% - 2s 0 0 2.00000 0 140 3.00000 2.00000 33.3% - 2s 0 0 2.00000 0 140 3.00000 2.00000 33.3% - 2s 0 2 2.00000 0 140 3.00000 2.00000 33.3% - 3s 5 5 2.00000 1 92 3.00000 2.00000 33.3% 826 5s Cutting planes: Gomory: 3 Zero half: 3 Explored 7 nodes (54228 simplex iterations) in 7.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%