Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:38:47 2012 Optimize a model with 109 rows, 86 columns and 356 nonzeros Presolve time: 0.00s Presolved: 109 rows, 86 columns, 356 nonzeros Variable types: 0 continuous, 86 integer (86 binary) Found heuristic solution: objective 27.0000000 Root relaxation: objective 0.000000e+00, 44 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 31 27.00000 0.00000 100% - 0s H 0 0 20.0000000 0.00000 100% - 0s H 0 0 18.0000000 0.00000 100% - 0s H 0 0 16.0000000 0.00000 100% - 0s 0 0 0.35828 0 33 16.00000 0.35828 97.8% - 0s H 0 0 14.0000000 0.35828 97.4% - 0s 0 0 0.87038 0 35 14.00000 0.87038 93.8% - 0s 0 0 0.87420 0 36 14.00000 0.87420 93.8% - 0s 0 0 0.87420 0 36 14.00000 0.87420 93.8% - 0s H 0 0 13.0000000 0.87420 93.3% - 0s H 0 0 12.0000000 0.87420 92.7% - 0s 0 2 0.99468 0 36 12.00000 0.99468 91.7% - 0s * 16 10 11 10.0000000 3.13640 68.6% 18.8 0s Cutting planes: Gomory: 4 Zero half: 10 Explored 90 nodes (1362 simplex iterations) in 0.05 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.000000000000e+01, best bound 1.000000000000e+01, gap 0.0%