
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 07:55:37 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo823.16.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/grafo823.16.lp
Reading time = 0.01 seconds
: 2092 rows, 228 columns, 6292 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 2092 rows, 228 columns and 6292 nonzeros
Model fingerprint: 0x1803d939
Variable types: 11 continuous, 217 integer (217 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 443 rows and 12 columns
Presolve time: 0.02s
Presolved: 1649 rows, 216 columns, 5053 nonzeros
Variable types: 0 continuous, 216 integer (205 binary)
Found heuristic solution: objective 3.0000000

Root relaxation: objective 8.000000e+00, 138 iterations, 0.01 seconds (0.00 work units)

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

     0     0    8.00000    0   37    3.00000    8.00000   167%     -    0s
H    0     0                       4.0000000    8.00000   100%     -    0s
     0     0    8.00000    0   61    4.00000    8.00000   100%     -    0s
     0     0    8.00000    0   61    4.00000    8.00000   100%     -    0s
     0     0    8.00000    0   45    4.00000    8.00000   100%     -    0s
H    0     0                       5.0000000    8.00000  60.0%     -    0s
     0     0    8.00000    0   63    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   55    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   51    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   55    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   28    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   37    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   62    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   60    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   48    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   48    5.00000    8.00000  60.0%     -    0s
     0     2    8.00000    0   25    5.00000    8.00000  60.0%     -    0s
  2766   296     cutoff   18         5.00000    6.00000  20.0%  60.4    5s

Cutting planes:
  Cover: 175
  Clique: 1
  MIR: 60
  StrongCG: 3
  GUB cover: 7
  Inf proof: 79
  Zero half: 2
  RLT: 33

Explored 5843 nodes (452174 simplex iterations) in 9.97 seconds (7.05 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 5 4 3 1 

Optimal solution found (tolerance 1.00e-04)
Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo823.16.sol'

