Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:51:26 2012 Optimize a model with 327 rows, 344 columns and 1159 nonzeros Presolve removed 0 rows and 28 columns Presolve time: 0.00s Presolved: 327 rows, 316 columns, 1131 nonzeros Variable types: 0 continuous, 316 integer (315 binary) Found heuristic solution: objective 56.0000000 Root relaxation: objective 0.000000e+00, 211 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 0 131 56.00000 0.00000 100% - 0s H 0 0 51.0000000 0.00000 100% - 0s H 0 0 34.0000000 0.00000 100% - 0s H 0 0 30.0000000 0.00000 100% - 0s 0 0 0.18935 0 133 30.00000 0.18935 99.4% - 0s H 0 0 29.0000000 0.18935 99.3% - 0s H 0 0 27.0000000 0.18935 99.3% - 0s 0 0 0.78266 0 140 27.00000 0.78266 97.1% - 0s H 0 0 24.0000000 0.78266 96.7% - 0s H 0 0 22.0000000 0.78266 96.4% - 0s 0 0 0.78266 0 139 22.00000 0.78266 96.4% - 0s H 0 0 20.0000000 0.78266 96.1% - 0s H 0 0 16.0000000 0.78266 95.1% - 0s H 0 0 10.0000000 0.78266 92.2% - 0s 0 2 0.78340 0 138 10.00000 0.78340 92.2% - 0s H 27 14 7.0000000 1.00000 85.7% 24.9 0s * 46 18 11 6.0000000 1.30107 78.3% 23.2 0s * 77 6 4 5.0000000 2.41379 51.7% 27.7 0s Cutting planes: Gomory: 4 Zero half: 2 Explored 86 nodes (3298 simplex iterations) in 0.17 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%