Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:33:12 2012 Optimize a model with 217 rows, 267 columns and 807 nonzeros Presolve removed 0 rows and 43 columns Presolve time: 0.00s Presolved: 217 rows, 224 columns, 764 nonzeros Variable types: 0 continuous, 224 integer (223 binary) Found heuristic solution: objective 25.0000000 Root relaxation: objective 0.000000e+00, 145 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 86 25.00000 0.00000 100% - 0s H 0 0 20.0000000 0.00000 100% - 0s H 0 0 12.0000000 0.00000 100% - 0s H 0 0 10.0000000 0.00000 100% - 0s 0 0 0.00000 0 87 10.00000 0.00000 100% - 0s H 0 0 9.0000000 0.00000 100% - 0s H 0 0 7.0000000 0.00000 100% - 0s 0 0 0.00000 0 87 7.00000 0.00000 100% - 0s H 0 0 6.0000000 0.00000 100% - 0s H 0 0 5.0000000 0.00000 100% - 0s H 0 0 2.0000000 0.00000 100% - 0s 0 2 0.00000 0 87 2.00000 0.00000 100% - 0s * 17 4 15 1.0000000 1.00000 0.0% 19.1 0s Cutting planes: Gomory: 1 Explored 18 nodes (823 simplex iterations) in 0.10 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.000000000000e+00, best bound 1.000000000000e+00, gap 0.0%