Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:54:24 2012 Optimize a model with 339 rows, 356 columns and 1201 nonzeros Presolve removed 0 rows and 26 columns Presolve time: 0.00s Presolved: 339 rows, 330 columns, 1175 nonzeros Variable types: 0 continuous, 330 integer (329 binary) Found heuristic solution: objective 61.0000000 Root relaxation: objective 0.000000e+00, 192 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 0 138 61.00000 0.00000 100% - 0s H 0 0 55.0000000 0.00000 100% - 0s H 0 0 54.0000000 0.00000 100% - 0s H 0 0 44.0000000 0.00000 100% - 0s H 0 0 42.0000000 0.00000 100% - 0s 0 0 0.17672 0 141 42.00000 0.17672 100% - 0s H 0 0 30.0000000 0.17672 99.4% - 0s H 0 0 26.0000000 0.17672 99.3% - 0s H 0 0 23.0000000 0.17672 99.2% - 0s 0 0 0.76208 0 149 23.00000 0.76208 96.7% - 0s H 0 0 11.0000000 0.76208 93.1% - 0s 0 0 0.76208 0 152 11.00000 0.76208 93.1% - 0s 0 0 0.76208 0 151 11.00000 0.76208 93.1% - 0s 0 2 0.79744 0 151 11.00000 0.79744 92.8% - 0s * 5 5 3 5.0000000 1.43319 71.3% 92.8 0s * 26 0 4 4.0000000 4.00000 0.0% 33.8 0s Cutting planes: Gomory: 4 Zero half: 1 Explored 27 nodes (1730 simplex iterations) in 0.12 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.000000000000e+00, best bound 4.000000000000e+00, gap 0.0%