Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:50:28 2012 Optimize a model with 385 rows, 371 columns and 1331 nonzeros Presolve removed 0 rows and 23 columns Presolve time: 0.00s Presolved: 385 rows, 348 columns, 1308 nonzeros Variable types: 0 continuous, 348 integer (347 binary) Found heuristic solution: objective 74.0000000 Root relaxation: objective 0.000000e+00, 206 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 0 150 74.00000 0.00000 100% - 0s H 0 0 60.0000000 0.00000 100% - 0s H 0 0 52.0000000 0.00000 100% - 0s H 0 0 50.0000000 0.00000 100% - 0s 0 0 0.35159 0 152 50.00000 0.35159 99.3% - 0s H 0 0 46.0000000 0.35159 99.2% - 0s 0 0 0.94195 0 157 46.00000 0.94195 98.0% - 0s H 0 0 45.0000000 0.94195 97.9% - 0s H 0 0 42.0000000 0.94195 97.8% - 0s 0 0 0.94198 0 158 42.00000 0.94198 97.8% - 0s 0 0 0.94198 0 158 42.00000 0.94198 97.8% - 0s H 0 0 40.0000000 0.94198 97.6% - 0s H 0 0 36.0000000 0.94198 97.4% - 0s H 0 0 33.0000000 0.94198 97.1% - 0s 0 2 0.94449 0 156 33.00000 0.94449 97.1% - 0s H 27 27 30.0000000 1.00000 96.7% 35.3 0s H 54 54 28.0000000 1.00000 96.4% 27.1 0s * 56 38 37 12.0000000 1.00000 91.7% 28.0 0s * 302 125 15 11.0000000 1.35159 87.7% 30.5 0s Cutting planes: Gomory: 4 Zero half: 5 Explored 1396 nodes (36971 simplex iterations) in 1.30 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.100000000000e+01, best bound 1.100000000000e+01, gap 0.0%