
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 05:35:26 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11609.37.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/grafo11609.37.lp
Reading time = 0.10 seconds
: 62286 rows, 1691 columns, 188141 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 62286 rows, 1691 columns and 188141 nonzeros
Model fingerprint: 0x03f3cbac
Variable types: 38 continuous, 1653 integer (1653 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 5.0000000
Presolve removed 16368 rows and 29 columns
Presolve time: 0.45s
Presolved: 45918 rows, 1662 columns, 139436 nonzeros
Variable types: 0 continuous, 1662 integer (1624 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 1662 rows, 47580 columns, 141098 nonzeros


Root relaxation: objective 3.100000e+01, 1479 iterations, 0.25 seconds (0.26 work units)

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

     0     0   31.00000    0  348   10.00000   31.00000   210%     -    2s
H    0     0                      11.0000000   31.00000   182%     -    3s
H    0     0                      13.0000000   31.00000   138%     -    3s
     0     0   31.00000    0  575   13.00000   31.00000   138%     -    6s
     0     0   31.00000    0  567   13.00000   31.00000   138%     -    6s
     0     0   31.00000    0  306   13.00000   31.00000   138%     -   17s
     0     0   31.00000    0  291   13.00000   31.00000   138%     -   17s
     0     0   31.00000    0  336   13.00000   31.00000   138%     -   29s
     0     0   31.00000    0  249   13.00000   31.00000   138%     -   30s
     0     0   31.00000    0  222   13.00000   31.00000   138%     -   35s
     0     0   31.00000    0  205   13.00000   31.00000   138%     -   35s
     0     0   31.00000    0  293   13.00000   31.00000   138%     -   40s
     0     0   31.00000    0  268   13.00000   31.00000   138%     -   40s
     0     0   31.00000    0  340   13.00000   31.00000   138%     -   47s
     0     0   31.00000    0  334   13.00000   31.00000   138%     -   48s
     0     0          -    0        13.00000   31.00000   138%     -   50s

Cutting planes:
  Cover: 30
  Clique: 18
  MIR: 82
  StrongCG: 3
  GUB cover: 1
  Zero half: 44
  RLT: 45
  BQP: 2

Explored 1 nodes (61752 simplex iterations) in 50.05 seconds (45.94 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 13 11 10 5 

Time limit reached
Best objective 1.300000000000e+01, best bound 3.100000000000e+01, gap 138.4615%

Wrote result file './lp_solutions/grafo11609.37.sol'

