Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:27:28 2012 Optimize a model with 249 rows, 277 columns and 897 nonzeros Presolve removed 0 rows and 29 columns Presolve time: 0.00s Presolved: 249 rows, 248 columns, 868 nonzeros Variable types: 0 continuous, 248 integer (247 binary) Found heuristic solution: objective 38.0000000 Root relaxation: objective 0.000000e+00, 167 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 86 38.00000 0.00000 100% - 0s H 0 0 25.0000000 0.00000 100% - 0s H 0 0 15.0000000 0.00000 100% - 0s H 0 0 14.0000000 0.00000 100% - 0s 0 0 0.00000 0 87 14.00000 0.00000 100% - 0s H 0 0 12.0000000 0.00000 100% - 0s 0 0 0.00000 0 87 12.00000 0.00000 100% - 0s H 0 0 8.0000000 0.00000 100% - 0s H 0 0 4.0000000 0.00000 100% - 0s 0 2 0.00000 0 87 4.00000 0.00000 100% - 0s * 6 3 6 1.0000000 1.00000 0.0% 32.8 0s Cutting planes: Gomory: 1 Explored 7 nodes (766 simplex iterations) in 0.10 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%