Gurobi 5.0.1 (linux64) logging started Sun Nov 18 01:01:01 2012

Optimize a model with 293 rows, 202 columns and 932 nonzeros
Presolve time: 0.00s
Presolved: 293 rows, 202 columns, 932 nonzeros
Variable types: 0 continuous, 202 integer (202 binary)
Found heuristic solution: objective 65.0000000

Root relaxation: objective 0.000000e+00, 83 iterations, 0.00 seconds

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

     0     0    0.00000    0   56   65.00000    0.00000   100%     -    0s
H    0     0                      44.0000000    0.00000   100%     -    0s
     0     0    0.63636    0   57   44.00000    0.63636  98.6%     -    0s
     0     0    1.35779    0   60   44.00000    1.35779  96.9%     -    0s
     0     0    1.36232    0   60   44.00000    1.36232  96.9%     -    0s
     0     2    1.36627    0   60   44.00000    1.36627  96.9%     -    0s
*   37    37              21      39.0000000    3.22105  91.7%  30.3    0s
*   39    34              21      37.0000000    3.22105  91.3%  29.6    0s
*  101    72              20      34.0000000    5.00964  85.3%  27.6    0s
*  110    64              22      33.0000000    5.00964  84.8%  25.7    0s
*  777   316              28      32.0000000   15.63636  51.1%  24.7    0s
* 1846   148              29      31.0000000   24.87500  19.8%  19.9    1s

Explored 2508 nodes (46252 simplex iterations) in 1.59 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.100000000000e+01, best bound 3.100000000000e+01, gap 0.0%