Gurobi 5.0.1 (linux64) logging started Sat Nov 17 19:52:09 2012 Optimize a model with 51 rows, 34 columns and 159 nonzeros Presolve time: 0.00s Presolved: 51 rows, 34 columns, 159 nonzeros Variable types: 0 continuous, 34 integer (34 binary) Found heuristic solution: objective 12.0000000 Root relaxation: objective 0.000000e+00, 14 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 9 12.00000 0.00000 100% - 0s 0 0 0.93860 0 14 12.00000 0.93860 92.2% - 0s 0 0 0.96875 0 19 12.00000 0.96875 91.9% - 0s 0 0 1.09649 0 15 12.00000 1.09649 90.9% - 0s 0 0 1.15894 0 15 12.00000 1.15894 90.3% - 0s 0 0 1.26136 0 19 12.00000 1.26136 89.5% - 0s 0 0 1.56528 0 25 12.00000 1.56528 87.0% - 0s 0 0 1.61972 0 23 12.00000 1.61972 86.5% - 0s 0 0 1.72130 0 29 12.00000 1.72130 85.7% - 0s 0 0 1.99350 0 30 12.00000 1.99350 83.4% - 0s 0 0 2.17647 0 28 12.00000 2.17647 81.9% - 0s 0 0 2.26030 0 32 12.00000 2.26030 81.2% - 0s 0 0 2.27751 0 32 12.00000 2.27751 81.0% - 0s 0 2 2.34474 0 32 12.00000 2.34474 80.5% - 0s * 5 3 3 10.0000000 5.38000 46.2% 22.6 0s Cutting planes: Gomory: 1 Mod-K: 14 Explored 13 nodes (322 simplex iterations) in 0.02 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%