Gurobi 5.0.1 (linux64) logging started Fri Nov 16 03:08:05 2012 Optimize a model with 775 rows, 650 columns and 2875 nonzeros Presolve removed 1 rows and 25 columns Presolve time: 0.01s Presolved: 774 rows, 625 columns, 2850 nonzeros Variable types: 0 continuous, 625 integer (625 binary) Found heuristic solution: objective 14.0000000 Found heuristic solution: objective 3.0000000 Root relaxation: objective 2.000000e+00, 388 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 2.00000 0 48 3.00000 2.00000 33.3% - 0s 0 0 2.00000 0 74 3.00000 2.00000 33.3% - 0s 0 0 2.00000 0 75 3.00000 2.00000 33.3% - 0s 0 0 2.00000 0 74 3.00000 2.00000 33.3% - 0s 0 0 2.00000 0 74 3.00000 2.00000 33.3% - 0s 0 0 2.00000 0 74 3.00000 2.00000 33.3% - 0s 0 0 2.00000 0 75 3.00000 2.00000 33.3% - 0s 0 0 2.00000 0 75 3.00000 2.00000 33.3% - 0s 0 2 2.00000 0 75 3.00000 2.00000 33.3% - 0s Cutting planes: Gomory: 9 Zero half: 2 Explored 14 nodes (21363 simplex iterations) in 1.19 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%