Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:09:59 2012
Optimize a model with 85 rows, 81 columns and 291 nonzeros
Presolve removed 0 rows and 4 columns
Presolve time: 0.00s
Presolved: 85 rows, 77 columns, 287 nonzeros
Variable types: 0 continuous, 77 integer (76 binary)
Found heuristic solution: objective 17.0000000
Root relaxation: objective 0.000000e+00, 46 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 34 17.00000 0.00000 100% - 0s
H 0 0 11.0000000 0.00000 100% - 0s
0 0 0.44118 0 35 11.00000 0.44118 96.0% - 0s
H 0 0 10.0000000 0.44118 95.6% - 0s
0 0 1.00000 0 36 10.00000 1.00000 90.0% - 0s
H 0 0 9.0000000 1.00000 88.9% - 0s
H 0 0 8.0000000 1.00000 87.5% - 0s
0 0 1.00000 0 37 8.00000 1.00000 87.5% - 0s
0 0 1.00000 0 32 8.00000 1.00000 87.5% - 0s
H 0 0 7.0000000 1.00000 85.7% - 0s
0 2 1.00000 0 32 7.00000 1.00000 85.7% - 0s
* 38 26 8 6.0000000 1.00000 83.3% 12.6 0s
* 41 22 7 5.0000000 1.00000 80.0% 12.4 0s
H 55 19 4.0000000 1.00000 75.0% 11.9 0s
Cutting planes:
Gomory: 5
Zero half: 1
Mod-K: 2
Explored 160 nodes (2338 simplex iterations) in 0.04 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 4.000000000000e+00, best bound 4.000000000000e+00, gap 0.0%