Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:55:33 2013
Optimize a model with 680 rows, 5240 columns and 11220 nonzeros
Presolve removed 40 rows and 60 columns
Presolve time: 0.03s
Presolved: 640 rows, 5180 columns, 10360 nonzeros
Variable types: 4800 continuous, 380 integer (380 binary)
Root relaxation: objective 3.839329e+04, 543 iterations, 0.01 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 38393.2919 0 2 - 38393.2919 - - 0s
0 0 38497.4031 0 5 - 38497.4031 - - 0s
0 0 38498.5564 0 4 - 38498.5564 - - 0s
0 0 38500.4841 0 5 - 38500.4841 - - 0s
0 0 38501.6908 0 4 - 38501.6908 - - 0s
0 0 38502.4666 0 4 - 38502.4666 - - 0s
0 0 38502.5005 0 4 - 38502.5005 - - 0s
0 0 38503.2021 0 4 - 38503.2021 - - 0s
0 0 38503.3112 0 5 - 38503.3112 - - 0s
0 0 38503.4983 0 5 - 38503.4983 - - 0s
0 0 38503.4983 0 5 - 38503.4983 - - 0s
H 0 0 42236.713234 38503.4983 8.84% - 0s
0 2 38504.7005 0 5 42236.7132 38504.7005 8.84% - 0s
* 18 15 16 38670.470866 38557.0446 0.29% 10.1 0s
* 33 16 17 38654.812854 38563.3865 0.24% 8.8 0s
* 76 24 17 38645.953967 38583.0797 0.16% 7.7 0s
H 135 14 38636.194838 38618.0906 0.05% 6.7 0s
* 162 8 16 38634.658974 38623.6207 0.03% 6.3 0s
Cutting planes:
Gomory: 2
Flow cover: 11
Explored 166 nodes (1721 simplex iterations) in 0.44 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 3.863465897436e+04, best bound 3.863156589913e+04, gap 0.0080%