
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 06:18:49 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5773.41.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/grafo5773.41.lp
Reading time = 0.12 seconds
: 77443 rows, 2020 columns, 233889 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 77443 rows, 2020 columns and 233889 nonzeros
Model fingerprint: 0xcae15a89
Variable types: 42 continuous, 1978 integer (1978 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 18685 rows and 23 columns
Presolve time: 0.62s
Presolved: 58758 rows, 1997 columns, 178278 nonzeros
Variable types: 0 continuous, 1997 integer (1955 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 1997 rows, 60755 columns, 180275 nonzeros


Root relaxation: objective 4.100000e+01, 2307 iterations, 0.45 seconds (0.52 work units)
Total elapsed time = 5.13s (DegenMoves)

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

     0     0   41.00000    0  409    5.00000   41.00000   720%     -    5s
H    0     0                       8.0000000   41.00000   412%     -    7s
H    0     0                       9.0000000   41.00000   356%     -    7s
     0     0   41.00000    0  711    9.00000   41.00000   356%     -   14s
H    0     0                      11.0000000   41.00000   273%     -   14s
     0     0   41.00000    0  671   11.00000   41.00000   273%     -   14s
H    0     0                      12.0000000   41.00000   242%     -   29s
     0     0   41.00000    0  533   12.00000   41.00000   242%     -   29s
H    0     0                      13.0000000   41.00000   215%     -   29s
     0     0   41.00000    0  472   13.00000   41.00000   215%     -   29s
     0     0   41.00000    0  370   13.00000   41.00000   215%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 29
  Clique: 13
  MIR: 162
  GUB cover: 6
  Zero half: 62
  RLT: 50
  BQP: 1

Explored 1 nodes (50822 simplex iterations) in 50.08 seconds (47.83 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 13 12 11 ... 5

Time limit reached
Best objective 1.300000000000e+01, best bound 4.100000000000e+01, gap 215.3846%

Wrote result file './lp_solutions/grafo5773.41.sol'

