Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:23:06 2012 Optimize a model with 505 rows, 467 columns and 1727 nonzeros Presolve removed 0 rows and 22 columns Presolve time: 0.00s Presolved: 505 rows, 445 columns, 1705 nonzeros Variable types: 0 continuous, 445 integer (444 binary) Found heuristic solution: objective 100.0000000 Root relaxation: objective 0.000000e+00, 274 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 0 187 100.00000 0.00000 100% - 0s H 0 0 94.0000000 0.00000 100% - 0s H 0 0 76.0000000 0.00000 100% - 0s H 0 0 72.0000000 0.00000 100% - 0s 0 0 0.38155 0 189 72.00000 0.38155 99.5% - 0s H 0 0 70.0000000 0.38155 99.5% - 0s 0 0 0.90155 0 193 70.00000 0.90155 98.7% - 0s H 0 0 60.0000000 0.90155 98.5% - 0s H 0 0 54.0000000 0.90155 98.3% - 0s 0 0 0.90172 0 195 54.00000 0.90172 98.3% - 0s 0 0 0.90172 0 194 54.00000 0.90172 98.3% - 0s H 0 0 52.0000000 0.90172 98.3% - 0s H 0 0 49.0000000 0.90172 98.2% - 0s 0 2 0.90554 0 194 49.00000 0.90554 98.2% - 0s H 27 27 40.0000000 0.99072 97.5% 41.1 0s H 51 45 20.0000000 0.99072 95.0% 31.0 0s * 115 54 27 18.0000000 1.41796 92.1% 35.4 0s H 217 85 17.0000000 3.37958 80.1% 38.8 0s Cutting planes: Gomory: 3 Zero half: 3 Explored 952 nodes (35836 simplex iterations) in 1.48 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.700000000000e+01, best bound 1.700000000000e+01, gap 0.0%