Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:09:50 2012 Optimize a model with 192 rows, 272 columns and 784 nonzeros Presolve removed 2 rows and 32 columns Presolve time: 0.00s Presolved: 190 rows, 240 columns, 752 nonzeros Variable types: 0 continuous, 240 integer (240 binary) Found heuristic solution: objective 6.0000000 Found heuristic solution: objective 3.0000000 Root relaxation: objective 2.000000e+00, 146 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 2.00000 0 12 3.00000 2.00000 33.3% - 0s 0 0 2.00000 0 12 3.00000 2.00000 33.3% - 0s 0 0 2.00000 0 28 3.00000 2.00000 33.3% - 0s 0 0 2.00000 0 28 3.00000 2.00000 33.3% - 0s 0 0 2.00000 0 44 3.00000 2.00000 33.3% - 0s 0 0 2.00000 0 16 3.00000 2.00000 33.3% - 0s 0 0 2.00000 0 37 3.00000 2.00000 33.3% - 0s 0 0 2.00000 0 37 3.00000 2.00000 33.3% - 0s 0 2 2.00000 0 37 3.00000 2.00000 33.3% - 0s Cutting planes: Gomory: 4 Explored 8 nodes (4632 simplex iterations) in 0.10 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%