Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:25:59 2012 Optimize a model with 241 rows, 268 columns and 868 nonzeros Presolve removed 0 rows and 27 columns Presolve time: 0.00s Presolved: 241 rows, 241 columns, 841 nonzeros Variable types: 0 continuous, 241 integer (240 binary) Found heuristic solution: objective 38.0000000 Root relaxation: objective 0.000000e+00, 174 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 90 38.00000 0.00000 100% - 0s H 0 0 32.0000000 0.00000 100% - 0s H 0 0 27.0000000 0.00000 100% - 0s H 0 0 25.0000000 0.00000 100% - 0s 0 0 0.00000 0 92 25.00000 0.00000 100% - 0s H 0 0 18.0000000 0.00000 100% - 0s H 0 0 16.0000000 0.00000 100% - 0s 0 0 0.00000 0 90 16.00000 0.00000 100% - 0s H 0 0 10.0000000 0.00000 100% - 0s H 0 0 7.0000000 0.00000 100% - 0s 0 0 0.00000 0 90 7.00000 0.00000 100% - 0s H 0 0 4.0000000 0.00000 100% - 0s 0 0 0.00000 0 90 4.00000 0.00000 100% - 0s 0 0 0.00000 0 90 4.00000 0.00000 100% - 0s H 0 0 1.0000000 0.00000 100% - 0s Cutting planes: Gomory: 1 Explored 0 nodes (1767 simplex iterations) in 0.12 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%