
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 06:12:57 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5414.41.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/grafo5414.41.lp
Reading time = 0.12 seconds
: 77430 rows, 1649 columns, 233280 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 77430 rows, 1649 columns and 233280 nonzeros
Model fingerprint: 0x5851d161
Variable types: 35 continuous, 1614 integer (1614 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 23635 rows and 22 columns
Presolve time: 0.56s
Presolved: 53795 rows, 1627 columns, 162631 nonzeros
Variable types: 0 continuous, 1627 integer (1592 binary)
Root relaxation presolved: 1627 rows, 55422 columns, 164258 nonzeros


Root relaxation: objective 2.600000e+01, 1647 iterations, 0.42 seconds (0.41 work units)

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

     0     0   26.00000    0  292          -   26.00000      -     -    4s
H    0     0                       5.0000000   26.00000   420%     -    4s
H    0     0                       6.0000000   26.00000   333%     -    5s
     0     0   26.00000    0  512    6.00000   26.00000   333%     -    8s
H    0     0                       7.0000000   26.00000   271%     -    9s
H    0     0                       8.0000000   26.00000   225%     -    9s
     0     0   26.00000    0  464    8.00000   26.00000   225%     -    9s
H    0     0                      10.0000000   26.00000   160%     -   29s
     0     0   26.00000    0  559   10.00000   26.00000   160%     -   29s
     0     0   26.00000    0  444   10.00000   26.00000   160%     -   30s
     0     0   26.00000    0  288   10.00000   26.00000   160%     -   36s
     0     0   26.00000    0  385   10.00000   26.00000   160%     -   37s
H    0     0                      11.0000000   26.00000   136%     -   50s
     0     0   26.00000    0  326   11.00000   26.00000   136%     -   50s

Cutting planes:
  Gomory: 1
  Clique: 12
  MIR: 13
  Zero half: 1
  RLT: 8
  BQP: 2

Explored 1 nodes (50946 simplex iterations) in 50.15 seconds (49.49 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 11 10 8 ... 5

Time limit reached
Best objective 1.100000000000e+01, best bound 2.600000000000e+01, gap 136.3636%

Wrote result file './lp_solutions/grafo5414.41.sol'

