Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:26:16 2012 Optimize a model with 243 rows, 270 columns and 875 nonzeros Presolve removed 0 rows and 25 columns Presolve time: 0.00s Presolved: 243 rows, 245 columns, 850 nonzeros Variable types: 0 continuous, 245 integer (244 binary) Found heuristic solution: objective 42.0000000 Root relaxation: objective 0.000000e+00, 152 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 91 42.00000 0.00000 100% - 0s H 0 0 35.0000000 0.00000 100% - 0s H 0 0 32.0000000 0.00000 100% - 0s H 0 0 22.0000000 0.00000 100% - 0s H 0 0 18.0000000 0.00000 100% - 0s 0 0 0.00000 0 94 18.00000 0.00000 100% - 0s H 0 0 16.0000000 0.00000 100% - 0s 0 0 0.00000 0 91 16.00000 0.00000 100% - 0s H 0 0 13.0000000 0.00000 100% - 0s H 0 0 9.0000000 0.00000 100% - 0s 0 0 0.00000 0 91 9.00000 0.00000 100% - 0s H 0 0 8.0000000 0.00000 100% - 0s H 0 0 7.0000000 0.00000 100% - 0s 0 0 0.00000 0 98 7.00000 0.00000 100% - 0s 0 0 0.00000 0 98 7.00000 0.00000 100% - 0s H 0 0 4.0000000 0.00000 100% - 0s 0 2 0.00000 0 93 4.00000 0.00000 100% - 0s * 23 11 20 3.0000000 0.66627 77.8% 15.7 0s Cutting planes: Gomory: 1 Explored 71 nodes (1953 simplex iterations) in 0.14 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%