Gurobi 5.0.1 (linux64) logging started Wed Apr 24 04:39:35 2013
Optimize a model with 73185 rows, 72335 columns and 289085 nonzeros
Presolve removed 8468 rows and 0 columns
Presolve time: 0.49s
Presolved: 64717 rows, 72335 columns, 272149 nonzeros
Variable types: 72250 continuous, 85 integer (85 binary)
Root relaxation: objective 9.792062e+04, 11580 iterations, 2.32 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 97920.6199 0 5 - 97920.6199 - - 3s
H 0 0 102775.00000 97920.6199 4.72% - 3s
H 0 0 98787.000000 97920.6199 0.88% - 3s
0 0 97923.4716 0 7 98787.0000 97923.4716 0.87% - 3s
0 0 97923.4716 0 7 98787.0000 97923.4716 0.87% - 4s
0 0 97923.4716 0 7 98787.0000 97923.4716 0.87% - 5s
0 0 97923.4716 0 5 98787.0000 97923.4716 0.87% - 10s
0 0 97923.4716 0 7 98787.0000 97923.4716 0.87% - 11s
0 0 97923.4716 0 7 98787.0000 97923.4716 0.87% - 11s
0 0 97923.4716 0 7 98787.0000 97923.4716 0.87% - 12s
0 2 97945.9427 0 7 98787.0000 97945.9427 0.85% - 14s
7 9 98345.4902 6 1 98787.0000 98079.1590 0.72% 194 15s
H 16 13 98435.000000 98079.1590 0.36% 140 16s
* 19 12 15 98430.000000 98079.1590 0.36% 124 16s
* 25 13 6 98427.000000 98155.7077 0.28% 130 16s
H 29 15 98425.000000 98155.7077 0.27% 121 16s
* 60 18 10 98391.000000 98169.2250 0.23% 102 18s
* 90 14 8 98379.000000 98321.7954 0.06% 93.8 19s
96 9 98374.0090 5 2 98379.0000 98355.1818 0.02% 91.0 20s
Cutting planes:
Gomory: 2
Flow cover: 6
Explored 104 nodes (29878 simplex iterations) in 20.14 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 9.837900000000e+04, best bound 9.837014530270e+04, gap 0.0090%