Gurobi 5.0.1 (linux64) logging started Wed Apr 24 12:20:54 2013
Optimize a model with 1870 rows, 289170 columns and 578170 nonzeros
Presolve time: 0.97s
Presolved: 1870 rows, 289170 columns, 578170 nonzeros
Variable types: 289000 continuous, 170 integer (170 binary)
Root relaxation: objective 3.125961e+05, 10785 iterations, 1.06 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 312596.087 0 4 - 312596.087 - - 2s
H 0 0 321549.00000 312596.087 2.78% - 2s
H 0 0 317016.00000 312596.087 1.39% - 3s
0 0 312716.370 0 4 317016.000 312716.370 1.36% - 4s
0 0 312716.370 0 4 317016.000 312716.370 1.36% - 6s
0 0 312716.370 0 4 317016.000 312716.370 1.36% - 7s
0 0 312725.645 0 2 317016.000 312725.645 1.35% - 7s
0 0 312725.645 0 2 317016.000 312725.645 1.35% - 8s
0 0 312725.645 0 2 317016.000 312725.645 1.35% - 8s
0 0 312725.645 0 2 317016.000 312725.645 1.35% - 9s
0 2 312725.765 0 2 317016.000 312725.765 1.35% - 10s
H 11 11 314945.00000 313074.500 0.59% 307 15s
H 13 13 314229.00000 313074.500 0.37% 280 15s
H 16 14 314080.00000 313074.500 0.32% 235 15s
H 18 15 314020.00000 313074.500 0.30% 211 15s
* 19 14 13 313968.00000 313074.500 0.28% 200 15s
H 26 5 313648.00000 313317.185 0.11% 196 16s
* 30 5 8 313627.00000 313317.185 0.10% 177 17s
Cutting planes:
Implied bound: 153
Flow cover: 5
Explored 40 nodes (26707 simplex iterations) in 18.31 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 3.136270000000e+05, best bound 3.136270000000e+05, gap 0.0%