Gurobi 5.0.1 (linux64) logging started Wed Apr 24 03:08:22 2013
Optimize a model with 60137 rows, 59367 columns and 237237 nonzeros
Presolve removed 2303 rows and 0 columns
Presolve time: 0.38s
Presolved: 57834 rows, 59367 columns, 232631 nonzeros
Variable types: 59290 continuous, 77 integer (77 binary)
Root relaxation: objective 8.601711e+04, 12058 iterations, 2.47 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 86017.1136 0 5 - 86017.1136 - - 3s
H 0 0 87692.000000 86017.1136 1.91% - 3s
H 0 0 86559.000000 86017.1136 0.63% - 3s
0 0 86026.0219 0 6 86559.0000 86026.0219 0.62% - 3s
0 0 86026.3754 0 6 86559.0000 86026.3754 0.62% - 4s
0 0 86026.3976 0 6 86559.0000 86026.3976 0.62% - 4s
0 0 86026.3976 0 5 86559.0000 86026.3976 0.62% - 8s
0 0 86026.3976 0 6 86559.0000 86026.3976 0.62% - 9s
0 0 86026.7552 0 7 86559.0000 86026.7552 0.61% - 9s
0 0 86027.0608 0 4 86559.0000 86027.0608 0.61% - 9s
0 0 86027.0988 0 6 86559.0000 86027.0988 0.61% - 9s
0 0 86027.0988 0 6 86559.0000 86027.0988 0.61% - 10s
0 2 86038.6324 0 6 86559.0000 86038.6324 0.60% - 11s
* 10 10 7 86542.000000 86119.0264 0.49% 139 12s
* 11 9 7 86496.000000 86119.0264 0.44% 130 12s
* 18 6 9 86464.000000 86119.0264 0.40% 99.1 12s
* 26 6 8 86436.000000 86292.4675 0.17% 86.6 12s
H 29 3 86433.000000 86295.7436 0.16% 84.5 12s
* 33 4 7 86412.000000 86319.5380 0.11% 84.2 12s
Cutting planes:
Gomory: 2
Flow cover: 8
Explored 41 nodes (21962 simplex iterations) in 13.07 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 8.641200000000e+04, best bound 8.641200000000e+04, gap 0.0%