
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 04:49:30 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2547.17.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/grafo2547.17.lp
Reading time = 0.02 seconds
: 4231 rows, 268 columns, 12732 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 4231 rows, 268 columns and 12732 nonzeros
Model fingerprint: 0x95d4055c
Variable types: 12 continuous, 256 integer (256 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 -0.0000000
Presolve removed 1544 rows and 9 columns
Presolve time: 0.04s
Presolved: 2687 rows, 259 columns, 8181 nonzeros
Variable types: 0 continuous, 259 integer (247 binary)
Found heuristic solution: objective 2.0000000

Root relaxation: objective 1.100000e+01, 292 iterations, 0.03 seconds (0.02 work units)

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

     0     0   11.00000    0  125    2.00000   11.00000   450%     -    0s
H    0     0                       3.0000000   11.00000   267%     -    0s
     0     0   11.00000    0  120    3.00000   11.00000   267%     -    0s
     0     0   11.00000    0  118    3.00000   11.00000   267%     -    0s
     0     0   11.00000    0   87    3.00000   11.00000   267%     -    0s
     0     0   11.00000    0   84    3.00000   11.00000   267%     -    0s
     0     0   11.00000    0  104    3.00000   11.00000   267%     -    0s
H    0     0                       4.0000000   11.00000   175%     -    0s
     0     0   11.00000    0  103    4.00000   11.00000   175%     -    0s
     0     0   10.66667    0   83    4.00000   10.66667   167%     -    0s
     0     0   10.66667    0   83    4.00000   10.66667   167%     -    0s
     0     0   10.50000    0   68    4.00000   10.50000   162%     -    1s
     0     0   10.50000    0   65    4.00000   10.50000   162%     -    1s
     0     0   10.16667    0   70    4.00000   10.16667   154%     -    1s
     0     0   10.16667    0   67    4.00000   10.16667   154%     -    1s
     0     0   10.00000    0   94    4.00000   10.00000   150%     -    1s
     0     0   10.00000    0   61    4.00000   10.00000   150%     -    1s
     0     2   10.00000    0   49    4.00000   10.00000   150%     -    1s
H  305   235                       5.0000000   10.00000   100%  57.5    2s
H  336   241                       6.0000000   10.00000  66.7%  57.5    3s

Cutting planes:
  Gomory: 1
  Cover: 16
  Clique: 1
  MIR: 94
  StrongCG: 1
  Inf proof: 19
  Zero half: 10
  RLT: 41

Explored 1948 nodes (74193 simplex iterations) in 4.80 seconds (2.91 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 6 5 4 ... -0

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo2547.17.sol'

