Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:37:44 2012 Optimize a model with 39 rows, 38 columns and 133 nonzeros Presolve removed 0 rows and 2 columns Presolve time: 0.00s Presolved: 39 rows, 36 columns, 131 nonzeros Variable types: 0 continuous, 36 integer (35 binary) Found heuristic solution: objective 9.0000000 Found heuristic solution: objective 7.0000000 Root relaxation: objective 0.000000e+00, 20 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 16 7.00000 0.00000 100% - 0s H 0 0 3.0000000 0.00000 100% - 0s 0 0 0.31818 0 17 3.00000 0.31818 89.4% - 0s H 0 0 2.0000000 0.31818 84.1% - 0s 0 0 1.00000 0 18 2.00000 1.00000 50.0% - 0s 0 0 1.00000 0 18 2.00000 1.00000 50.0% - 0s 0 0 1.00000 0 13 2.00000 1.00000 50.0% - 0s 0 0 1.00000 0 18 2.00000 1.00000 50.0% - 0s 0 0 1.00000 0 18 2.00000 1.00000 50.0% - 0s * 0 0 0 1.0000000 1.00000 0.0% - 0s Cutting planes: Gomory: 2 Explored 1 nodes (143 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.000000000000e+00, best bound 1.000000000000e+00, gap 0.0%