Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:21:08 2012 Optimize a model with 195 rows, 224 columns and 709 nonzeros Presolve removed 0 rows and 30 columns Presolve time: 0.00s Presolved: 195 rows, 194 columns, 679 nonzeros Variable types: 0 continuous, 194 integer (193 binary) Found heuristic solution: objective 30.0000000 Root relaxation: objective 0.000000e+00, 136 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 81 30.00000 0.00000 100% - 0s H 0 0 24.0000000 0.00000 100% - 0s H 0 0 12.0000000 0.00000 100% - 0s H 0 0 8.0000000 0.00000 100% - 0s 0 0 0.14407 0 83 8.00000 0.14407 98.2% - 0s H 0 0 5.0000000 0.14407 97.1% - 0s 0 0 0.66667 0 88 5.00000 0.66667 86.7% - 0s 0 0 0.66667 0 88 5.00000 0.66667 86.7% - 0s 0 0 0.66667 0 84 5.00000 0.66667 86.7% - 0s 0 0 0.66667 0 84 5.00000 0.66667 86.7% - 0s 0 0 0.66667 0 84 5.00000 0.66667 86.7% - 0s H 0 0 2.0000000 0.66667 66.7% - 0s 0 0 0.66667 0 34 2.00000 0.66667 66.7% - 0s 0 0 0.66667 0 36 2.00000 0.66667 66.7% - 0s 0 0 0.66667 0 37 2.00000 0.66667 66.7% - 0s 0 0 0.66667 0 36 2.00000 0.66667 66.7% - 0s 0 2 0.66667 0 36 2.00000 0.66667 66.7% - 0s Cutting planes: Gomory: 1 Explored 8 nodes (1330 simplex iterations) in 0.14 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%