Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:50:16 2012 Optimize a model with 2746 rows, 106 columns and 5492 nonzeros Presolve removed 1981 rows and 0 columns Presolve time: 0.07s Presolved: 765 rows, 106 columns, 5145 nonzeros Variable types: 0 continuous, 106 integer (106 binary) Found heuristic solution: objective 8.0000000 Root relaxation: objective 1.470290e+01, 384 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 14.70290 0 104 8.00000 14.70290 83.8% - 0s 0 0 14.33858 0 104 8.00000 14.33858 79.2% - 0s H 0 0 9.0000000 14.33858 59.3% - 0s 0 0 14.23022 0 106 9.00000 14.23022 58.1% - 0s 0 0 14.22421 0 105 9.00000 14.22421 58.0% - 0s 0 0 14.20379 0 105 9.00000 14.20379 57.8% - 0s 0 0 14.19240 0 106 9.00000 14.19240 57.7% - 0s 0 0 14.18582 0 106 9.00000 14.18582 57.6% - 0s 0 0 14.18522 0 106 9.00000 14.18522 57.6% - 0s 0 0 14.17919 0 105 9.00000 14.17919 57.5% - 0s 0 0 14.14374 0 103 9.00000 14.14374 57.2% - 1s 0 0 14.12506 0 105 9.00000 14.12506 56.9% - 1s 0 0 14.12164 0 102 9.00000 14.12164 56.9% - 1s 0 0 14.11929 0 104 9.00000 14.11929 56.9% - 1s 0 0 14.11921 0 105 9.00000 14.11921 56.9% - 1s 0 2 14.11916 0 105 9.00000 14.11916 56.9% - 1s * 209 24 10 10.0000000 11.86981 18.7% 62.0 2s Cutting planes: Clique: 72 Zero half: 2 Explored 234 nodes (14343 simplex iterations) in 2.60 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%