
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 09:48:42 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6484.45.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/grafo6484.45.lp
Reading time = 0.10 seconds
: 61889 rows, 2122 columns, 187184 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 61889 rows, 2122 columns and 187184 nonzeros
Model fingerprint: 0x187d926b
Variable types: 42 continuous, 2080 integer (2080 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 6114 rows and 23 columns
Presolve time: 0.42s
Presolved: 55775 rows, 2099 columns, 169235 nonzeros
Variable types: 0 continuous, 2099 integer (2057 binary)
Root relaxation presolved: 30105 rows, 27769 columns, 117895 nonzeros


Root relaxation: objective 3.300000e+01, 2716 iterations, 0.90 seconds (0.80 work units)

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

     0     0   33.00000    0  405          -   33.00000      -     -    3s
H    0     0                       7.0000000   33.00000   371%     -    4s
H    0     0                       8.0000000   33.00000   312%     -    4s
H    0     0                      10.0000000   33.00000   230%     -    8s
     0     0   33.00000    0  670   10.00000   33.00000   230%     -    9s
     0     0   33.00000    0  669   10.00000   33.00000   230%     -    9s
     0     0   33.00000    0  382   10.00000   33.00000   230%     -   20s
     0     0   33.00000    0  374   10.00000   33.00000   230%     -   20s
H    0     0                      11.0000000   33.00000   200%     -   21s
H    0     0                      12.0000000   33.00000   175%     -   30s
     0     0   33.00000    0  365   12.00000   33.00000   175%     -   30s
     0     0   33.00000    0  310   12.00000   33.00000   175%     -   31s
     0     0   33.00000    0  286   12.00000   33.00000   175%     -   35s
     0     0   33.00000    0  378   12.00000   33.00000   175%     -   36s
H    0     0                      13.0000000   33.00000   154%     -   41s
     0     0   33.00000    0  298   13.00000   33.00000   154%     -   41s
     0     0   33.00000    0  290   13.00000   33.00000   154%     -   41s
     0     0   33.00000    0  306   13.00000   33.00000   154%     -   44s
     0     0   33.00000    0  310   13.00000   33.00000   154%     -   44s
     0     0   33.00000    0  328   13.00000   33.00000   154%     -   50s

Cutting planes:
  Cover: 29
  Clique: 2
  MIR: 104
  StrongCG: 2
  GUB cover: 3
  Zero half: 29
  RLT: 36

Explored 1 nodes (70625 simplex iterations) in 50.06 seconds (45.42 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 3.300000000000e+01, gap 153.8462%

Wrote result file './lp_solutions/grafo6484.45.sol'

