Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:07 2012 Optimize a model with 37 rows, 26 columns and 116 nonzeros Presolve time: 0.00s Presolved: 37 rows, 26 columns, 116 nonzeros Variable types: 0 continuous, 26 integer (26 binary) Found heuristic solution: objective 11.0000000 Root relaxation: objective 0.000000e+00, 12 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 8 11.00000 0.00000 100% - 0s 0 0 0.62500 0 10 11.00000 0.62500 94.3% - 0s H 0 0 10.0000000 0.62500 93.8% - 0s 0 0 0.78431 0 14 10.00000 0.78431 92.2% - 0s 0 0 0.82732 0 15 10.00000 0.82732 91.7% - 0s 0 0 0.87500 0 10 10.00000 0.87500 91.2% - 0s 0 0 1.00000 0 10 10.00000 1.00000 90.0% - 0s 0 0 1.00000 0 10 10.00000 1.00000 90.0% - 0s 0 0 1.00000 0 10 10.00000 1.00000 90.0% - 0s H 0 0 9.0000000 1.00000 88.9% - 0s H 0 0 7.0000000 1.00000 85.7% - 0s 0 2 1.00000 0 10 7.00000 1.00000 85.7% - 0s Cutting planes: Gomory: 1 Mod-K: 4 Explored 9 nodes (116 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0%