Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:54:53 2012 Optimize a model with 359 rows, 367 columns and 1262 nonzeros Presolve removed 0 rows and 20 columns Presolve time: 0.00s Presolved: 359 rows, 347 columns, 1242 nonzeros Variable types: 0 continuous, 347 integer (346 binary) Found heuristic solution: objective 63.0000000 Root relaxation: objective 0.000000e+00, 218 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 0 138 63.00000 0.00000 100% - 0s H 0 0 38.0000000 0.00000 100% - 0s 0 0 0.26449 0 139 38.00000 0.26449 99.3% - 0s H 0 0 35.0000000 0.26449 99.2% - 0s 0 0 1.00000 0 140 35.00000 1.00000 97.1% - 0s H 0 0 23.0000000 1.00000 95.7% - 0s 0 0 1.00000 0 145 23.00000 1.00000 95.7% - 0s 0 0 1.00000 0 138 23.00000 1.00000 95.7% - 0s H 0 0 10.0000000 1.00000 90.0% - 0s 0 2 1.00000 0 138 10.00000 1.00000 90.0% - 0s H 27 25 6.0000000 1.32353 77.9% 22.9 0s * 82 25 12 5.0000000 1.96405 60.7% 27.9 0s Cutting planes: Gomory: 4 Mod-K: 1 Explored 137 nodes (5663 simplex iterations) in 0.26 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0%