Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:44:22 2012 Optimize a model with 341 rows, 347 columns and 1197 nonzeros Presolve removed 0 rows and 20 columns Presolve time: 0.00s Presolved: 341 rows, 327 columns, 1177 nonzeros Variable types: 0 continuous, 327 integer (326 binary) Found heuristic solution: objective 62.0000000 Root relaxation: objective 0.000000e+00, 217 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 0 134 62.00000 0.00000 100% - 0s H 0 0 42.0000000 0.00000 100% - 0s H 0 0 39.0000000 0.00000 100% - 0s H 0 0 36.0000000 0.00000 100% - 0s 0 0 0.32463 0 135 36.00000 0.32463 99.1% - 0s H 0 0 31.0000000 0.32463 99.0% - 0s 0 0 1.00000 0 136 31.00000 1.00000 96.8% - 0s H 0 0 29.0000000 1.00000 96.6% - 0s H 0 0 21.0000000 1.00000 95.2% - 0s 0 0 1.00000 0 137 21.00000 1.00000 95.2% - 0s H 0 0 20.0000000 1.00000 95.0% - 0s 0 0 1.00000 0 137 20.00000 1.00000 95.0% - 0s 0 0 1.00000 0 137 20.00000 1.00000 95.0% - 0s H 0 0 16.0000000 1.00000 93.7% - 0s 0 2 1.00000 0 137 16.00000 1.00000 93.7% - 0s H 27 15 7.0000000 1.00123 85.7% 34.0 0s * 36 8 7 5.0000000 1.00321 79.9% 37.2 0s Cutting planes: Gomory: 5 Zero half: 1 Explored 55 nodes (3119 simplex iterations) in 0.17 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0%