Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:27:09 2012 Optimize a model with 245 rows, 274 columns and 884 nonzeros Presolve removed 0 rows and 25 columns Presolve time: 0.00s Presolved: 245 rows, 249 columns, 859 nonzeros Variable types: 0 continuous, 249 integer (248 binary) Found heuristic solution: objective 40.0000000 Root relaxation: objective 0.000000e+00, 163 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 0 101 40.00000 0.00000 100% - 0s H 0 0 31.0000000 0.00000 100% - 0s H 0 0 27.0000000 0.00000 100% - 0s H 0 0 23.0000000 0.00000 100% - 0s 0 0 0.02268 0 103 23.00000 0.02268 100% - 0s H 0 0 17.0000000 0.02268 100% - 0s H 0 0 14.0000000 0.02268 100% - 0s 0 0 0.73119 0 107 14.00000 0.73119 94.8% - 0s H 0 0 10.0000000 0.73119 92.7% - 0s 0 0 0.73119 0 110 10.00000 0.73119 92.7% - 0s 0 0 0.73119 0 110 10.00000 0.73119 92.7% - 0s H 0 0 6.0000000 0.73119 87.8% - 0s 0 2 0.74328 0 109 6.00000 0.74328 87.6% - 0s * 17 17 13 4.0000000 0.97630 75.6% 28.7 0s * 24 14 18 3.0000000 0.97630 67.5% 25.6 0s * 43 3 4 2.0000000 1.00000 50.0% 30.0 0s Cutting planes: Gomory: 4 Zero half: 3 Explored 47 nodes (2243 simplex iterations) in 0.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%