Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:27:47 2012 Optimize a model with 241 rows, 274 columns and 874 nonzeros Presolve removed 0 rows and 26 columns Presolve time: 0.00s Presolved: 241 rows, 248 columns, 848 nonzeros Variable types: 0 continuous, 248 integer (247 binary) Found heuristic solution: objective 38.0000000 Root relaxation: objective 0.000000e+00, 164 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 92 38.00000 0.00000 100% - 0s H 0 0 23.0000000 0.00000 100% - 0s H 0 0 22.0000000 0.00000 100% - 0s H 0 0 20.0000000 0.00000 100% - 0s H 0 0 17.0000000 0.00000 100% - 0s 0 0 0.00000 0 98 17.00000 0.00000 100% - 0s H 0 0 14.0000000 0.00000 100% - 0s H 0 0 12.0000000 0.00000 100% - 0s 0 0 0.00000 0 94 12.00000 0.00000 100% - 0s H 0 0 8.0000000 0.00000 100% - 0s 0 0 0.00000 0 94 8.00000 0.00000 100% - 0s 0 0 0.00000 0 94 8.00000 0.00000 100% - 0s H 0 0 7.0000000 0.00000 100% - 0s H 0 0 3.0000000 0.00000 100% - 0s 0 2 0.00000 0 92 3.00000 0.00000 100% - 0s * 11 7 9 2.0000000 0.38462 80.8% 30.5 0s Cutting planes: Gomory: 1 Explored 22 nodes (1864 simplex iterations) in 0.13 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%