Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:26:33 2012 Optimize a model with 241 rows, 270 columns and 870 nonzeros Presolve removed 0 rows and 27 columns Presolve time: 0.00s Presolved: 241 rows, 243 columns, 843 nonzeros Variable types: 0 continuous, 243 integer (242 binary) Found heuristic solution: objective 41.0000000 Root relaxation: objective 0.000000e+00, 150 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 41.00000 0.00000 100% - 0s H 0 0 32.0000000 0.00000 100% - 0s H 0 0 28.0000000 0.00000 100% - 0s H 0 0 17.0000000 0.00000 100% - 0s 0 0 0.04516 0 103 17.00000 0.04516 100% - 0s H 0 0 15.0000000 0.04516 100% - 0s H 0 0 11.0000000 0.04516 100% - 0s 0 0 0.66667 0 106 11.00000 0.66667 93.9% - 0s H 0 0 4.0000000 0.66667 83.3% - 0s 0 0 0.66667 0 103 4.00000 0.66667 83.3% - 0s H 0 0 2.0000000 0.66667 66.7% - 0s 0 0 0.66667 0 61 2.00000 0.66667 66.7% - 0s 0 0 0.66667 0 64 2.00000 0.66667 66.7% - 0s 0 0 0.66667 0 64 2.00000 0.66667 66.7% - 0s 0 2 0.66667 0 64 2.00000 0.66667 66.7% - 0s Cutting planes: Gomory: 2 Explored 3 nodes (1298 simplex iterations) in 0.11 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%