Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:54:51 2012 Optimize a model with 359 rows, 367 columns and 1262 nonzeros Presolve removed 0 rows and 21 columns Presolve time: 0.00s Presolved: 359 rows, 346 columns, 1241 nonzeros Variable types: 0 continuous, 346 integer (345 binary) Found heuristic solution: objective 68.0000000 Root relaxation: objective 0.000000e+00, 216 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 0 149 68.00000 0.00000 100% - 0s H 0 0 43.0000000 0.00000 100% - 0s H 0 0 42.0000000 0.00000 100% - 0s H 0 0 39.0000000 0.00000 100% - 0s 0 0 0.26698 0 151 39.00000 0.26698 99.3% - 0s H 0 0 11.0000000 0.26698 97.6% - 0s 0 0 0.74715 0 153 11.00000 0.74715 93.2% - 0s H 0 0 10.0000000 0.74715 92.5% - 0s 0 0 0.74762 0 156 10.00000 0.74762 92.5% - 0s 0 0 0.74762 0 155 10.00000 0.74762 92.5% - 0s 0 2 0.74958 0 154 10.00000 0.74958 92.5% - 0s * 39 23 25 6.0000000 1.00000 83.3% 36.2 0s * 94 13 13 5.0000000 1.65420 66.9% 41.4 0s Cutting planes: Gomory: 3 Zero half: 10 Explored 121 nodes (5426 simplex iterations) in 0.25 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%