Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:21:44 2012 Optimize a model with 211 rows, 235 columns and 760 nonzeros Presolve removed 0 rows and 24 columns Presolve time: 0.00s Presolved: 211 rows, 211 columns, 736 nonzeros Variable types: 0 continuous, 211 integer (210 binary) Found heuristic solution: objective 32.0000000 Root relaxation: objective 0.000000e+00, 153 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 85 32.00000 0.00000 100% - 0s H 0 0 21.0000000 0.00000 100% - 0s H 0 0 19.0000000 0.00000 100% - 0s 0 0 0.01905 0 87 19.00000 0.01905 100% - 0s H 0 0 16.0000000 0.01905 100% - 0s H 0 0 8.0000000 0.01905 100% - 0s H 0 0 6.0000000 0.01905 100% - 0s 0 0 0.66667 0 91 6.00000 0.66667 88.9% - 0s H 0 0 3.0000000 0.66667 77.8% - 0s 0 0 0.66667 0 95 3.00000 0.66667 77.8% - 0s 0 0 0.66667 0 90 3.00000 0.66667 77.8% - 0s 0 2 0.66667 0 89 3.00000 0.66667 77.8% - 0s * 9 7 9 2.0000000 0.75000 62.5% 38.3 0s Cutting planes: Gomory: 2 Explored 21 nodes (1442 simplex iterations) in 0.07 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%