
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 18:50:01 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2336.17.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/grafo2336.17.lp
Reading time = 0.01 seconds
: 5254 rows, 320 columns, 15889 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 5254 rows, 320 columns and 15889 nonzeros
Model fingerprint: 0xde578fc8
Variable types: 13 continuous, 307 integer (307 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 2887 rows and 33 columns
Presolve time: 0.03s
Presolved: 2367 rows, 287 columns, 7327 nonzeros
Variable types: 0 continuous, 287 integer (274 binary)
Found heuristic solution: objective 4.0000000

Root relaxation: objective 9.000000e+00, 182 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    9.00000    0   54    4.00000    9.00000   125%     -    0s
H    0     0                       5.0000000    9.00000  80.0%     -    0s
     0     0    9.00000    0   91    5.00000    9.00000  80.0%     -    0s
H    0     0                       6.0000000    9.00000  50.0%     -    0s
     0     0    8.00000    0   63    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   62    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   56    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   45    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   44    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   43    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   39    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   46    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   54    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   54    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   43    6.00000    8.00000  33.3%     -    0s
     0     0    8.00000    0   43    6.00000    8.00000  33.3%     -    0s
     0     2    8.00000    0   41    6.00000    8.00000  33.3%     -    0s
H   31    38                       7.0000000    8.00000  14.3%  32.3    0s

Cutting planes:
  Gomory: 1
  Cover: 21
  Clique: 1
  MIR: 52
  StrongCG: 1
  Inf proof: 46
  Zero half: 6
  RLT: 21
  BQP: 1
  PSD: 1

Explored 1340 nodes (60711 simplex iterations) in 1.66 seconds (1.60 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 7 6 5 4 

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/grafo2336.17.sol'

