
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 07:27:59 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11466.39.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/grafo11466.39.lp
Reading time = 0.09 seconds
: 56331 rows, 1958 columns, 170584 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 56331 rows, 1958 columns and 170584 nonzeros
Model fingerprint: 0x677d2249
Variable types: 42 continuous, 1916 integer (1916 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 7.0000000
Presolve removed 8819 rows and 25 columns
Presolve time: 0.38s
Presolved: 47512 rows, 1933 columns, 144682 nonzeros
Variable types: 0 continuous, 1933 integer (1891 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 26893 rows, 22552 columns, 103444 nonzeros


Root relaxation: objective 3.800000e+01, 1490 iterations, 0.43 seconds (0.40 work units)

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

     0     0   38.00000    0  332    8.00000   38.00000   375%     -    2s
H    0     0                      10.0000000   38.00000   280%     -    2s
H    0     0                      12.0000000   38.00000   217%     -    3s
H    0     0                      13.0000000   38.00000   192%     -    5s
     0     0   38.00000    0  596   13.00000   38.00000   192%     -    5s
     0     0   38.00000    0  609   13.00000   38.00000   192%     -    6s
H    0     0                      14.0000000   38.00000   171%     -   27s
H    0     0                      15.0000000   38.00000   153%     -   27s
H    0     0                      16.0000000   38.00000   137%     -   27s
H    0     0                      17.0000000   38.00000   124%     -   27s
     0     0   38.00000    0  636   17.00000   38.00000   124%     -   27s
     0     0   38.00000    0  588   17.00000   38.00000   124%     -   27s
H    0     0                      18.0000000   38.00000   111%     -   37s
     0     0   38.00000    0  356   18.00000   38.00000   111%     -   37s
     0     0   38.00000    0  338   18.00000   38.00000   111%     -   37s
     0     0   38.00000    0  424   18.00000   38.00000   111%     -   50s

Cutting planes:
  Cover: 31
  Clique: 6
  MIR: 114
  GUB cover: 6
  Zero half: 33
  RLT: 52
  BQP: 1

Explored 1 nodes (56841 simplex iterations) in 50.06 seconds (46.66 work units)
Thread count was 8 (of 8 available processors)

Solution count 10: 18 17 16 ... 7

Time limit reached
Best objective 1.800000000000e+01, best bound 3.800000000000e+01, gap 111.1111%

Wrote result file './lp_solutions/grafo11466.39.sol'

