Gurobi 5.0.1 (linux64) logging started Fri Nov 16 03:34:29 2012
Optimize a model with 4443 rows, 1980 columns and 15090 nonzeros
Presolve removed 882 rows and 2 columns
Presolve time: 0.10s
Presolved: 3605 rows, 1978 columns, 14840 nonzeros
Variable types: 0 continuous, 1978 integer (1978 binary)
Found heuristic solution: objective 44.0000000
Root relaxation: objective 3.000000e+00, 3169 iterations, 0.28 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 3.00000 0 87 44.00000 3.00000 93.2% - 0s
H 0 0 39.0000000 3.00000 92.3% - 0s
H 0 0 5.0000000 3.00000 40.0% - 0s
0 0 3.00000 0 179 5.00000 3.00000 40.0% - 1s
H 0 0 4.0000000 3.00000 25.0% - 1s
0 0 3.00000 0 78 4.00000 3.00000 25.0% - 2s
0 0 3.00000 0 189 4.00000 3.00000 25.0% - 3s
0 0 3.00000 0 176 4.00000 3.00000 25.0% - 4s
0 0 3.00000 0 88 4.00000 3.00000 25.0% - 5s
0 0 3.00000 0 89 4.00000 3.00000 25.0% - 6s
0 0 3.00000 0 89 4.00000 3.00000 25.0% - 7s
0 0 3.00000 0 148 4.00000 3.00000 25.0% - 8s
0 0 3.00000 0 93 4.00000 3.00000 25.0% - 9s
0 2 3.00000 0 75 4.00000 3.00000 25.0% - 9s
2 3 3.00000 1 93 4.00000 3.00000 25.0% 654 10s
8 7 3.00000 1 42 4.00000 3.00000 25.0% 163 16s
14 13 3.00000 11 72 4.00000 3.00000 25.0% 3866 20s
Cutting planes:
Gomory: 8
Zero half: 15
Explored 20 nodes (125118 simplex iterations) in 24.80 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%