Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:28 2012 Optimize a model with 109 rows, 68 columns and 338 nonzeros Presolve time: 0.00s Presolved: 109 rows, 68 columns, 338 nonzeros Variable types: 0 continuous, 68 integer (68 binary) Found heuristic solution: objective 27.0000000 Found heuristic solution: objective 25.0000000 Root relaxation: objective 0.000000e+00, 22 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 14 25.00000 0.00000 100% - 0s H 0 0 24.0000000 0.00000 100% - 0s 0 0 0.91667 0 16 24.00000 0.91667 96.2% - 0s 0 0 1.00000 0 16 24.00000 1.00000 95.8% - 0s 0 0 1.00000 0 16 24.00000 1.00000 95.8% - 0s 0 0 1.00667 0 25 24.00000 1.00667 95.8% - 0s H 0 0 22.0000000 1.00667 95.4% - 0s 0 2 1.04054 0 25 22.00000 1.04054 95.3% - 0s Cutting planes: Gomory: 1 Zero half: 4 Explored 103 nodes (1184 simplex iterations) in 0.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.200000000000e+01, best bound 2.200000000000e+01, gap 0.0%