Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:49:38 2012 Optimize a model with 2732 rows, 104 columns and 5464 nonzeros Presolve removed 1982 rows and 0 columns Presolve time: 0.08s Presolved: 750 rows, 104 columns, 5169 nonzeros Variable types: 0 continuous, 104 integer (104 binary) Found heuristic solution: objective 7.0000000 Root relaxation: objective 1.441885e+01, 369 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 14.41885 0 98 7.00000 14.41885 106% - 0s 0 0 14.07503 0 104 7.00000 14.07503 101% - 0s 0 0 13.98207 0 103 7.00000 13.98207 100% - 0s H 0 0 8.0000000 13.98207 74.8% - 0s 0 0 13.96744 0 102 8.00000 13.96744 74.6% - 0s H 0 0 9.0000000 13.96744 55.2% - 0s 0 0 13.96134 0 102 9.00000 13.96134 55.1% - 0s 0 0 13.95207 0 102 9.00000 13.95207 55.0% - 0s 0 0 13.94038 0 103 9.00000 13.94038 54.9% - 0s 0 0 13.92766 0 104 9.00000 13.92766 54.8% - 0s 0 0 13.90423 0 104 9.00000 13.90423 54.5% - 0s 0 0 13.88763 0 102 9.00000 13.88763 54.3% - 0s H 0 0 10.0000000 13.88763 38.9% - 0s 0 0 13.88591 0 104 10.00000 13.88591 38.9% - 1s 0 0 13.88197 0 104 10.00000 13.88197 38.8% - 1s 0 0 13.87218 0 102 10.00000 13.87218 38.7% - 1s 0 0 13.87116 0 102 10.00000 13.87116 38.7% - 1s 0 0 13.87021 0 102 10.00000 13.87021 38.7% - 1s 0 2 13.86849 0 102 10.00000 13.86849 38.7% - 1s Cutting planes: Clique: 61 Zero half: 4 Explored 79 nodes (8129 simplex iterations) in 2.12 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.000000000000e+01, best bound 1.000000000000e+01, gap 0.0%