Gurobi 5.0.1 (linux64) logging started Fri Nov 16 03:07:53 2012 Optimize a model with 342 rows, 342 columns and 1296 nonzeros Presolve time: 0.00s Presolved: 342 rows, 342 columns, 1296 nonzeros Variable types: 0 continuous, 342 integer (342 binary) Found heuristic solution: objective 11.0000000 Found heuristic solution: objective 3.0000000 Root relaxation: objective 2.000000e+00, 310 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 36 3.00000 2.00000 33.3% - 0s 0 0 2.00000 0 76 3.00000 2.00000 33.3% - 0s 0 0 2.00000 0 36 3.00000 2.00000 33.3% - 0s 0 0 2.00000 0 56 3.00000 2.00000 33.3% - 0s 0 0 2.00000 0 56 3.00000 2.00000 33.3% - 0s 0 0 2.00000 0 36 3.00000 2.00000 33.3% - 0s 0 0 2.00000 0 57 3.00000 2.00000 33.3% - 0s 0 0 2.00000 0 36 3.00000 2.00000 33.3% - 0s 0 0 2.00000 0 36 3.00000 2.00000 33.3% - 0s 0 0 2.00000 0 36 3.00000 2.00000 33.3% - 0s 0 2 2.00000 0 36 3.00000 2.00000 33.3% - 0s Cutting planes: Gomory: 6 Zero half: 1 Explored 8 nodes (11207 simplex iterations) in 0.28 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%