
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 19:11:32 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2852.16.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/grafo2852.16.lp
Reading time = 0.01 seconds
: 5420 rows, 339 columns, 16422 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 5420 rows, 339 columns and 16422 nonzeros
Model fingerprint: 0xc592aa8f
Variable types: 15 continuous, 324 integer (324 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]
Presolve removed 2946 rows and 39 columns
Presolve time: 0.03s
Presolved: 2474 rows, 300 columns, 7716 nonzeros
Variable types: 0 continuous, 300 integer (285 binary)
Found heuristic solution: objective 4.0000000

Root relaxation: objective 1.000000e+01, 166 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   10.00000    0   73    4.00000   10.00000   150%     -    0s
H    0     0                       5.0000000   10.00000   100%     -    0s
H    0     0                       6.0000000   10.00000  66.7%     -    0s
     0     0   10.00000    0   73    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   73    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   75    6.00000   10.00000  66.7%     -    0s
     0     0    9.00000    0   71    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   73    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   53    6.00000    9.00000  50.0%     -    0s
H    0     0                       7.0000000    9.00000  28.6%     -    0s
     0     0    9.00000    0   53    7.00000    9.00000  28.6%     -    0s
     0     0    9.00000    0   56    7.00000    9.00000  28.6%     -    0s
     0     0    9.00000    0   56    7.00000    9.00000  28.6%     -    0s
     0     0    9.00000    0   77    7.00000    9.00000  28.6%     -    0s
     0     0    9.00000    0   57    7.00000    9.00000  28.6%     -    0s
     0     2    9.00000    0   57    7.00000    9.00000  28.6%     -    0s
H  290   138                       8.0000000    9.00000  12.5%  43.7    1s

Cutting planes:
  Gomory: 1
  Cover: 33
  MIR: 50
  StrongCG: 2
  GUB cover: 2
  Inf proof: 76
  Zero half: 2
  RLT: 26

Explored 1758 nodes (103564 simplex iterations) in 2.69 seconds (2.88 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 8 7 6 ... 4

Optimal solution found (tolerance 1.00e-04)
Best objective 8.000000000000e+00, best bound 8.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo2852.16.sol'

