
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 04:45:33 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2493.16.log"
Using license file /Users/sara/gurobi.lic
Academic license - for non-commercial use only - expires 2025-05-12

Gurobi Optimizer version 11.0.1 build v11.0.1rc0 (mac64[x86] - Darwin 21.6.0 21G651)
Copyright (c) 2024, Gurobi Optimization, LLC

Read LP format model from file ./lp_problems/grafo2493.16.lp
Reading time = 0.01 seconds
: 3323 rows, 285 columns, 10039 nonzeros

CPU model: Intel(R) Core(TM) i5-1038NG7 CPU @ 2.00GHz
Thread count: 4 physical cores, 8 logical processors, using up to 8 threads

Optimize a model with 3323 rows, 285 columns and 10039 nonzeros
Model fingerprint: 0x20d72acf
Variable types: 14 continuous, 271 integer (271 binary)
Coefficient statistics:
  Matrix range     [5e-01, 5e+01]
  Objective range  [1e+00, 1e+00]
  Bounds range     [1e+00, 1e+00]
  RHS range        [1e+00, 5e+01]
Found heuristic solution: objective 1.0000000
Presolve removed 978 rows and 12 columns
Presolve time: 0.03s
Presolved: 2345 rows, 273 columns, 7207 nonzeros
Variable types: 0 continuous, 273 integer (259 binary)
Found heuristic solution: objective 3.0000000

Root relaxation: objective 1.200000e+01, 214 iterations, 0.01 seconds (0.01 work units)

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

     0     0   12.00000    0   78    3.00000   12.00000   300%     -    0s
H    0     0                       4.0000000   12.00000   200%     -    0s
     0     0   12.00000    0  123    4.00000   12.00000   200%     -    0s
     0     0   12.00000    0  117    4.00000   12.00000   200%     -    0s
     0     0   12.00000    0  100    4.00000   12.00000   200%     -    0s
     0     0   12.00000    0  100    4.00000   12.00000   200%     -    0s
     0     0   12.00000    0  101    4.00000   12.00000   200%     -    0s
     0     0   12.00000    0   85    4.00000   12.00000   200%     -    0s
     0     0   12.00000    0   72    4.00000   12.00000   200%     -    0s
     0     0   12.00000    0   74    4.00000   12.00000   200%     -    0s
     0     0   12.00000    0   81    4.00000   12.00000   200%     -    0s
     0     0   12.00000    0   85    4.00000   12.00000   200%     -    0s
     0     0   12.00000    0  107    4.00000   12.00000   200%     -    1s
     0     0   12.00000    0   62    4.00000   12.00000   200%     -    1s
     0     2   12.00000    0   49    4.00000   12.00000   200%     -    1s
H  162   156                       5.0000000   12.00000   140%  31.5    1s
H  217   188                       6.0000000   12.00000   100%  31.4    1s
  1878   933    9.25000   30  108    6.00000   10.66667  77.8%  37.2    5s
  3086  1137   10.00000   23  125    6.00000   10.00000  66.7%  47.5   10s
* 4696   585              43       7.0000000    9.50000  35.7%  59.7   13s

Cutting planes:
  MIR: 2
  Inf proof: 2
  RLT: 2

Explored 5789 nodes (328559 simplex iterations) in 14.94 seconds (7.31 work units)
Thread count was 8 (of 8 available processors)

Solution count 9: 7 6 6 ... 1

Optimal solution found (tolerance 1.00e-04)
Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo2493.16.sol'

