
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 16:51:19 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo503.11.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/grafo503.11.lp
Reading time = 0.01 seconds
: 2709 rows, 203 columns, 8198 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 2709 rows, 203 columns and 8198 nonzeros
Model fingerprint: 0x891df0cd
Variable types: 12 continuous, 191 integer (191 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 2.0000000
Presolve removed 1331 rows and 5 columns
Presolve time: 0.02s
Presolved: 1378 rows, 198 columns, 4300 nonzeros
Variable types: 0 continuous, 198 integer (186 binary)
Found heuristic solution: objective 4.0000000

Root relaxation: objective 1.100000e+01, 185 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   11.00000    0   82    4.00000   11.00000   175%     -    0s
     0     0   11.00000    0   90    4.00000   11.00000   175%     -    0s
     0     0   11.00000    0   90    4.00000   11.00000   175%     -    0s
     0     0   10.83333    0   87    4.00000   10.83333   171%     -    0s
     0     0   10.50000    0   88    4.00000   10.50000   162%     -    0s
     0     0   10.00000    0   80    4.00000   10.00000   150%     -    0s
     0     0   10.00000    0   81    4.00000   10.00000   150%     -    0s
     0     0   10.00000    0   78    4.00000   10.00000   150%     -    0s
     0     0   10.00000    0   73    4.00000   10.00000   150%     -    0s
     0     0   10.00000    0   92    4.00000   10.00000   150%     -    0s
     0     0   10.00000    0   84    4.00000   10.00000   150%     -    0s
     0     2   10.00000    0   73    4.00000   10.00000   150%     -    0s
H   33    40                       5.0000000   10.00000   100%  46.2    0s
H  166   137                       6.0000000   10.00000  66.7%  28.1    0s
H  464   269                       7.0000000   10.00000  42.9%  33.2    0s

Cutting planes:
  Gomory: 2
  Cover: 39
  Clique: 3
  MIR: 45
  StrongCG: 2
  GUB cover: 1
  Inf proof: 105
  Zero half: 10
  RLT: 20

Explored 5886 nodes (220189 simplex iterations) in 3.72 seconds (3.75 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 7 6 5 ... 2

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/grafo503.11.sol'

