Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:54:25 2012 Optimize a model with 383 rows, 378 columns and 1333 nonzeros Presolve removed 0 rows and 20 columns Presolve time: 0.00s Presolved: 383 rows, 358 columns, 1313 nonzeros Variable types: 0 continuous, 358 integer (357 binary) Found heuristic solution: objective 73.0000000 Root relaxation: objective 0.000000e+00, 234 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 0 155 73.00000 0.00000 100% - 0s H 0 0 57.0000000 0.00000 100% - 0s H 0 0 56.0000000 0.00000 100% - 0s H 0 0 53.0000000 0.00000 100% - 0s 0 0 0.38116 0 156 53.00000 0.38116 99.3% - 0s H 0 0 49.0000000 0.38116 99.2% - 0s H 0 0 45.0000000 0.38116 99.2% - 0s 0 0 1.00000 0 159 45.00000 1.00000 97.8% - 0s H 0 0 37.0000000 1.00000 97.3% - 0s 0 0 1.00000 0 158 37.00000 1.00000 97.3% - 0s H 0 0 29.0000000 1.00000 96.6% - 0s 0 2 1.00000 0 158 29.00000 1.00000 96.6% - 0s * 24 24 13 11.0000000 1.00000 90.9% 36.3 0s H 85 39 9.0000000 2.72222 69.8% 28.9 0s Cutting planes: Gomory: 3 Explored 306 nodes (9498 simplex iterations) in 0.37 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.000000000000e+00, best bound 9.000000000000e+00, gap 0.0%