Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:43:32 2013

Optimize a model with 190 rows, 1170 columns and 2410 nonzeros
Presolve removed 20 rows and 30 columns
Presolve time: 0.00s
Presolved: 170 rows, 1140 columns, 2280 nonzeros
Variable types: 1100 continuous, 40 integer (40 binary)

Root relaxation: objective 2.207062e+04, 143 iterations, 0.00 seconds

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0 22070.6191    0    1          - 22070.6191     -      -    0s
     0     0 22135.4837    0    2          - 22135.4837     -      -    0s
     0     0 22135.4837    0    2          - 22135.4837     -      -    0s
     0     0 22137.5127    0    2          - 22137.5127     -      -    0s
     0     0 22139.1648    0    2          - 22139.1648     -      -    0s
     0     0 22139.1648    0    2          - 22139.1648     -      -    0s
     0     0 22139.1648    0    2          - 22139.1648     -      -    0s
     0     0 22139.1648    0    2          - 22139.1648     -      -    0s
     0     0 22139.1648    0    2          - 22139.1648     -      -    0s
H    0     0                    23304.764162 22139.1648  5.00%     -    0s
     0     2 22220.8897    0    2 23304.7642 22220.8897  4.65%     -    0s
*    4     3               4    22332.032530 22289.8897  0.19%   9.8    0s

Cutting planes:
  Gomory: 1
  Flow cover: 6

Explored 7 nodes (273 simplex iterations) in 0.08 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.233203253014e+04, best bound 2.233203253014e+04, gap 0.0%