
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 06:36:50 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6216.45.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/grafo6216.45.lp
Reading time = 0.08 seconds
: 52333 rows, 1865 columns, 158097 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 52333 rows, 1865 columns and 158097 nonzeros
Model fingerprint: 0x24d5ee42
Variable types: 37 continuous, 1828 integer (1828 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 4970 rows and 19 columns
Presolve time: 0.32s
Presolved: 47363 rows, 1846 columns, 143428 nonzeros
Variable types: 0 continuous, 1846 integer (1809 binary)
Root relaxation presolved: 25403 rows, 23806 columns, 99508 nonzeros


Root relaxation: objective 3.200000e+01, 4914 iterations, 2.62 seconds (2.38 work units)
Total elapsed time = 5.35s (DegenMoves)

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

     0     0   32.00000    0  472          -   32.00000      -     -    7s
H    0     0                       9.0000000   32.00000   256%     -    8s
     0     0   32.00000    0  629    9.00000   32.00000   256%     -   11s
H    0     0                      11.0000000   32.00000   191%     -   12s
     0     0   32.00000    0  600   11.00000   32.00000   191%     -   12s
H    0     0                      12.0000000   32.00000   167%     -   26s
H    0     0                      13.0000000   32.00000   146%     -   26s
     0     0   32.00000    0  336   13.00000   32.00000   146%     -   27s
     0     0   32.00000    0  309   13.00000   32.00000   146%     -   27s
H    0     0                      14.0000000   32.00000   129%     -   33s
     0     0   32.00000    0  234   14.00000   32.00000   129%     -   33s
     0     0   32.00000    0  373   14.00000   32.00000   129%     -   34s
     0     0   32.00000    0  253   14.00000   32.00000   129%     -   37s
     0     0   32.00000    0  242   14.00000   32.00000   129%     -   37s
     0     0   32.00000    0  255   14.00000   32.00000   129%     -   40s
     0     0   32.00000    0  294   14.00000   32.00000   129%     -   41s
     0     0   32.00000    0  250   14.00000   32.00000   129%     -   46s
     0     0   32.00000    0  230   14.00000   32.00000   129%     -   46s
     0     0   32.00000    0  271   14.00000   32.00000   129%     -   50s

Cutting planes:
  Cover: 15
  Clique: 5
  MIR: 132
  StrongCG: 4
  GUB cover: 2
  Inf proof: 2
  Zero half: 17
  RLT: 52
  BQP: 1
  PSD: 1

Explored 1 nodes (73134 simplex iterations) in 50.08 seconds (43.94 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 14 13 12 ... 9

Time limit reached
Best objective 1.400000000000e+01, best bound 3.200000000000e+01, gap 128.5714%

Wrote result file './lp_solutions/grafo6216.45.sol'

