
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 20:47:13 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11410.37.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/grafo11410.37.lp
Reading time = 0.12 seconds
: 70631 rows, 1670 columns, 213137 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 70631 rows, 1670 columns and 213137 nonzeros
Model fingerprint: 0x276a076c
Variable types: 38 continuous, 1632 integer (1632 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 21496 rows and 23 columns
Presolve time: 0.50s
Presolved: 49135 rows, 1647 columns, 148869 nonzeros
Variable types: 0 continuous, 1647 integer (1609 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 1647 rows, 50782 columns, 150516 nonzeros


Root relaxation: objective 3.800000e+01, 1786 iterations, 0.34 seconds (0.37 work units)

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

     0     0   38.00000    0  409    7.00000   38.00000   443%     -    3s
H    0     0                       9.0000000   38.00000   322%     -    8s
     0     0   38.00000    0  551    9.00000   38.00000   322%     -    8s
     0     0   38.00000    0  474    9.00000   38.00000   322%     -    9s
H    0     0                      10.0000000   38.00000   280%     -   26s
     0     0   38.00000    0  469   10.00000   38.00000   280%     -   26s
H    0     0                      11.0000000   38.00000   245%     -   28s
     0     0   38.00000    0  515   11.00000   38.00000   245%     -   28s
H    0     0                      12.0000000   38.00000   217%     -   42s
H    0     0                      13.0000000   38.00000   192%     -   42s
     0     0   38.00000    0  570   13.00000   38.00000   192%     -   42s
     0     0   38.00000    0  530   13.00000   38.00000   192%     -   43s
     0     0   38.00000    0  578   13.00000   38.00000   192%     -   50s

Cutting planes:
  Cover: 20
  Clique: 20
  MIR: 92
  StrongCG: 1
  GUB cover: 1
  Zero half: 41
  RLT: 52
  BQP: 3

Explored 1 nodes (47137 simplex iterations) in 50.05 seconds (45.92 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 13 12 11 ... 7

Time limit reached
Best objective 1.300000000000e+01, best bound 3.800000000000e+01, gap 192.3077%

Wrote result file './lp_solutions/grafo11410.37.sol'

