
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 20:54:46 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2348.37.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/grafo2348.37.lp
Reading time = 0.10 seconds
: 59908 rows, 1727 columns, 181003 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 59908 rows, 1727 columns and 181003 nonzeros
Model fingerprint: 0x97419479
Variable types: 39 continuous, 1688 integer (1688 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 15081 rows and 15 columns
Presolve time: 0.42s
Presolved: 44827 rows, 1712 columns, 136191 nonzeros
Variable types: 0 continuous, 1712 integer (1673 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 27918 rows, 18621 columns, 102373 nonzeros


Root relaxation: objective 4.100000e+01, 2144 iterations, 0.87 seconds (0.86 work units)
Total elapsed time = 5.04s (DegenMoves)

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

     0     0   41.00000    0  393    6.00000   41.00000   583%     -    5s
H    0     0                       8.0000000   41.00000   412%     -    5s
H    0     0                      10.0000000   41.00000   310%     -    5s
     0     0   41.00000    0  656   10.00000   41.00000   310%     -   10s
H    0     0                      11.0000000   41.00000   273%     -   10s
     0     0   41.00000    0  656   11.00000   41.00000   273%     -   11s
     0     0   41.00000    0  533   11.00000   41.00000   273%     -   32s
     0     0   41.00000    0  515   11.00000   41.00000   273%     -   33s
     0     0   41.00000    0  707   11.00000   41.00000   273%     -   50s

Cutting planes:
  Cover: 24
  Clique: 8
  MIR: 151
  StrongCG: 3
  GUB cover: 2
  Zero half: 55
  RLT: 58

Explored 1 nodes (54265 simplex iterations) in 50.03 seconds (45.73 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 11 10 8 6 

Time limit reached
Best objective 1.100000000000e+01, best bound 4.100000000000e+01, gap 272.7273%

Wrote result file './lp_solutions/grafo2348.37.sol'

