
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 03:09:57 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1198.29.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/grafo1198.29.lp
Reading time = 0.03 seconds
: 9616 rows, 631 columns, 29019 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 9616 rows, 631 columns and 29019 nonzeros
Model fingerprint: 0x2a56db6d
Variable types: 18 continuous, 613 integer (613 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 440 rows and 15 columns
Presolve time: 0.09s
Presolved: 9176 rows, 616 columns, 27825 nonzeros
Variable types: 0 continuous, 616 integer (598 binary)
Found heuristic solution: objective 4.0000000

Root relaxation: objective 1.000000e+01, 160 iterations, 0.03 seconds (0.02 work units)

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

     0     0   10.00000    0   38    4.00000   10.00000   150%     -    0s
H    0     0                       5.0000000   10.00000   100%     -    0s
     0     0   10.00000    0   80    5.00000   10.00000   100%     -    0s
     0     0    9.50000    0   26    5.00000    9.50000  90.0%     -    0s
H    0     0                       6.0000000    9.50000  58.3%     -    0s
     0     0    9.00000    0   25    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   56    6.00000    9.00000  50.0%     -    1s
     0     0    9.00000    0   54    6.00000    9.00000  50.0%     -    1s
H    0     0                       7.0000000    9.00000  28.6%     -    1s
     0     0    9.00000    0   53    7.00000    9.00000  28.6%     -    1s
     0     0    9.00000    0   67    7.00000    9.00000  28.6%     -    1s
     0     0    9.00000    0   67    7.00000    9.00000  28.6%     -    1s
     0     0    9.00000    0   45    7.00000    9.00000  28.6%     -    1s
     0     0    9.00000    0   41    7.00000    9.00000  28.6%     -    1s
     0     0    9.00000    0   75    7.00000    9.00000  28.6%     -    1s
     0     0    9.00000    0   75    7.00000    9.00000  28.6%     -    1s
     0     2    9.00000    0   65    7.00000    9.00000  28.6%     -    2s
   495   340 infeasible   23         7.00000    9.00000  28.6%  76.3    5s
  1693   421    9.00000    8   49    7.00000    9.00000  28.6%  90.7   10s
  2833   444     cutoff   15         7.00000    8.90625  27.2%  93.7   15s
  4235   140 infeasible   21         7.00000    8.00000  14.3%  90.9   20s

Cutting planes:
  Gomory: 1
  Cover: 202
  Clique: 1
  MIR: 47
  StrongCG: 2
  GUB cover: 2
  Inf proof: 113
  Zero half: 6
  RLT: 20

Explored 5052 nodes (467304 simplex iterations) in 23.96 seconds (19.76 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/grafo1198.29.sol'

