
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 07:53:38 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo792.13.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/grafo792.13.lp
Reading time = 0.01 seconds
: 2762 rows, 192 columns, 8320 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 2762 rows, 192 columns and 8320 nonzeros
Model fingerprint: 0x6848442a
Variable types: 11 continuous, 181 integer (181 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 1143 rows and 6 columns
Presolve time: 0.03s
Presolved: 1619 rows, 186 columns, 4939 nonzeros
Variable types: 0 continuous, 186 integer (175 binary)

Root relaxation: objective 1.000000e+01, 200 iterations, 0.02 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   77    1.00000   10.00000   900%     -    0s
H    0     0                       3.0000000   10.00000   233%     -    0s
H    0     0                       4.0000000   10.00000   150%     -    0s
     0     0   10.00000    0  104    4.00000   10.00000   150%     -    0s
     0     0   10.00000    0  104    4.00000   10.00000   150%     -    0s
     0     0   10.00000    0   47    4.00000   10.00000   150%     -    0s
     0     0   10.00000    0   47    4.00000   10.00000   150%     -    0s
     0     0   10.00000    0   56    4.00000   10.00000   150%     -    0s
     0     0   10.00000    0   61    4.00000   10.00000   150%     -    0s
     0     0   10.00000    0   62    4.00000   10.00000   150%     -    0s
     0     0   10.00000    0   61    4.00000   10.00000   150%     -    0s
     0     0   10.00000    0   61    4.00000   10.00000   150%     -    0s
     0     0   10.00000    0   59    4.00000   10.00000   150%     -    0s
     0     0   10.00000    0   53    4.00000   10.00000   150%     -    0s
     0     0   10.00000    0   53    4.00000   10.00000   150%     -    0s
     0     2   10.00000    0   51    4.00000   10.00000   150%     -    0s
*  286   198               9       5.0000000    9.50000  90.0%  39.9    1s
H  498   241                       6.0000000    9.00000  50.0%  34.6    1s

Cutting planes:
  Gomory: 7
  Cover: 11
  Clique: 5
  MIR: 128
  StrongCG: 5
  GUB cover: 3
  Inf proof: 33
  Zero half: 13
  RLT: 34
  Relax-and-lift: 2

Explored 1255 nodes (37747 simplex iterations) in 2.09 seconds (1.06 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 6 5 4 ... 1

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/grafo792.13.sol'

