Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:08:56 2012 Optimize a model with 39 rows, 40 columns and 135 nonzeros Presolve removed 0 rows and 2 columns Presolve time: 0.00s Presolved: 39 rows, 38 columns, 133 nonzeros Variable types: 0 continuous, 38 integer (37 binary) Found heuristic solution: objective 9.0000000 Root relaxation: objective 0.000000e+00, 25 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 18 9.00000 0.00000 100% - 0s H 0 0 6.0000000 0.00000 100% - 0s H 0 0 5.0000000 0.00000 100% - 0s 0 0 0.32000 0 19 5.00000 0.32000 93.6% - 0s 0 0 1.00000 0 14 5.00000 1.00000 80.0% - 0s H 0 0 2.0000000 1.00000 50.0% - 0s 0 0 1.00000 0 14 2.00000 1.00000 50.0% - 0s 0 0 1.00000 0 8 2.00000 1.00000 50.0% - 0s 0 0 1.00000 0 8 2.00000 1.00000 50.0% - 0s 0 0 1.00000 0 9 2.00000 1.00000 50.0% - 0s 0 0 1.00000 0 8 2.00000 1.00000 50.0% - 0s Cutting planes: Gomory: 2 Explored 0 nodes (165 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.000000000000e+00, best bound 1.000000000000e+00, gap 0.0%