Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:37:50 2013
Optimize a model with 2600 rows, 105900 columns and 242200 nonzeros
Presolve removed 100 rows and 100 columns
Presolve time: 0.30s
Presolved: 2500 rows, 105800 columns, 237100 nonzeros
Variable types: 105200 continuous, 600 integer (600 binary)
Root relaxation: objective 7.543716e+05, 6112 iterations, 0.47 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 754371.571 0 12 - 754371.571 - - 0s
0 0 754439.256 0 12 - 754439.256 - - 1s
0 0 754467.375 0 10 - 754467.375 - - 1s
0 0 754472.425 0 10 - 754472.425 - - 2s
0 0 754474.436 0 11 - 754474.436 - - 2s
0 0 754475.802 0 11 - 754475.802 - - 2s
0 0 754476.883 0 11 - 754476.883 - - 3s
0 0 754477.365 0 7 - 754477.365 - - 3s
0 0 754477.732 0 7 - 754477.732 - - 3s
0 0 754477.732 0 7 - 754477.732 - - 4s
0 0 754477.747 0 7 - 754477.747 - - 4s
0 0 754477.747 0 7 - 754477.747 - - 5s
H 0 0 757599.71403 754477.747 0.41% - 5s
0 2 754478.894 0 7 757599.714 754478.894 0.41% - 7s
14 11 755096.581 12 3 757599.714 754795.528 0.37% 124 10s
H 27 12 755705.05910 754795.528 0.12% 77.4 11s
* 39 15 36 755679.58081 754795.528 0.12% 56.1 12s
70 15 cutoff 8 755679.581 754930.127 0.10% 79.1 15s
158 10 cutoff 27 755679.581 755319.670 0.05% 56.2 20s
Cutting planes:
Flow cover: 20
Explored 168 nodes (17261 simplex iterations) in 20.24 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 7.556795808113e+05, best bound 7.556367027981e+05, gap 0.0057%