Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:27:09 2012 Optimize a model with 229 rows, 266 columns and 836 nonzeros Presolve removed 0 rows and 24 columns Presolve time: 0.00s Presolved: 229 rows, 242 columns, 812 nonzeros Variable types: 0 continuous, 242 integer (241 binary) Found heuristic solution: objective 37.0000000 Root relaxation: objective 0.000000e+00, 146 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 37.00000 0.00000 100% - 0s H 0 0 21.0000000 0.00000 100% - 0s H 0 0 19.0000000 0.00000 100% - 0s H 0 0 10.0000000 0.00000 100% - 0s 0 0 0.00000 0 88 10.00000 0.00000 100% - 0s H 0 0 3.0000000 0.00000 100% - 0s 0 0 0.00000 0 86 3.00000 0.00000 100% - 0s H 0 0 1.0000000 0.00000 100% - 0s 0 0 0.00000 0 86 1.00000 0.00000 100% - 0s Cutting planes: Zero half: 1 Explored 0 nodes (915 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%