Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:34:22 2012 Optimize a model with 261 rows, 292 columns and 942 nonzeros Presolve removed 0 rows and 28 columns Presolve time: 0.00s Presolved: 261 rows, 264 columns, 914 nonzeros Variable types: 0 continuous, 264 integer (263 binary) Found heuristic solution: objective 44.0000000 Root relaxation: objective 0.000000e+00, 159 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 95 44.00000 0.00000 100% - 0s H 0 0 38.0000000 0.00000 100% - 0s H 0 0 25.0000000 0.00000 100% - 0s H 0 0 18.0000000 0.00000 100% - 0s H 0 0 15.0000000 0.00000 100% - 0s 0 0 0.00000 0 96 15.00000 0.00000 100% - 0s H 0 0 11.0000000 0.00000 100% - 0s H 0 0 9.0000000 0.00000 100% - 0s 0 0 0.00000 0 95 9.00000 0.00000 100% - 0s H 0 0 7.0000000 0.00000 100% - 0s H 0 0 6.0000000 0.00000 100% - 0s H 0 0 4.0000000 0.00000 100% - 0s 0 2 0.00000 0 95 4.00000 0.00000 100% - 0s * 30 6 24 2.0000000 0.56000 72.0% 17.2 0s Cutting planes: Gomory: 1 Explored 38 nodes (1342 simplex iterations) in 0.15 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%