Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:09:23 2012 Optimize a model with 47 rows, 54 columns and 169 nonzeros Presolve removed 0 rows and 6 columns Presolve time: 0.00s Presolved: 47 rows, 48 columns, 163 nonzeros Variable types: 0 continuous, 48 integer (47 binary) Found heuristic solution: objective 8.0000000 Root relaxation: objective 0.000000e+00, 32 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 24 8.00000 0.00000 100% - 0s H 0 0 2.0000000 0.00000 100% - 0s 0 0 0.25714 0 25 2.00000 0.25714 87.1% - 0s 0 0 1.00000 0 20 2.00000 1.00000 50.0% - 0s H 0 0 1.0000000 1.00000 0.0% - 0s Cutting planes: Gomory: 2 Explored 0 nodes (103 simplex iterations) in 0.00 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%