Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:37:54 2012 Optimize a model with 39 rows, 41 columns and 136 nonzeros Presolve removed 0 rows and 4 columns Presolve time: 0.00s Presolved: 39 rows, 37 columns, 132 nonzeros Variable types: 0 continuous, 37 integer (36 binary) Found heuristic solution: objective 6.0000000 Root relaxation: objective 0.000000e+00, 22 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 14 6.00000 0.00000 100% - 0s H 0 0 2.0000000 0.00000 100% - 0s 0 0 0.21429 0 15 2.00000 0.21429 89.3% - 0s 0 0 1.00000 0 14 2.00000 1.00000 50.0% - 0s 0 0 1.00000 0 14 2.00000 1.00000 50.0% - 0s 0 2 1.00000 0 14 2.00000 1.00000 50.0% - 0s Cutting planes: Gomory: 3 Zero half: 1 Explored 8 nodes (369 simplex iterations) in 0.02 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%