
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 01:23:09 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1132.19.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/grafo1132.19.lp
Reading time = 0.01 seconds
: 3005 rows, 273 columns, 9046 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 3005 rows, 273 columns and 9046 nonzeros
Model fingerprint: 0xa5087a56
Variable types: 11 continuous, 262 integer (262 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 1.0000000
Presolve removed 473 rows and 9 columns
Presolve time: 0.04s
Presolved: 2532 rows, 264 columns, 7696 nonzeros
Variable types: 0 continuous, 264 integer (253 binary)
Found heuristic solution: objective 4.0000000

Root relaxation: objective 7.000000e+00, 123 iterations, 0.01 seconds (0.01 work units)

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

     0     0    7.00000    0   41    4.00000    7.00000  75.0%     -    0s
     0     0    7.00000    0   43    4.00000    7.00000  75.0%     -    0s
     0     0    7.00000    0   42    4.00000    7.00000  75.0%     -    0s
     0     0    7.00000    0   27    4.00000    7.00000  75.0%     -    0s
     0     0    7.00000    0   27    4.00000    7.00000  75.0%     -    0s
     0     0    7.00000    0   31    4.00000    7.00000  75.0%     -    0s
     0     0    7.00000    0   34    4.00000    7.00000  75.0%     -    0s
     0     0    6.50000    0   28    4.00000    6.50000  62.5%     -    0s
     0     0    6.00000    0   39    4.00000    6.00000  50.0%     -    0s
     0     0    6.00000    0   33    4.00000    6.00000  50.0%     -    1s
     0     0    6.00000    0   37    4.00000    6.00000  50.0%     -    1s
     0     0    5.66667    0   29    4.00000    5.66667  41.7%     -    1s
     0     0    5.50000    0   43    4.00000    5.50000  37.5%     -    1s
     0     0    5.50000    0   39    4.00000    5.50000  37.5%     -    1s
     0     0    5.50000    0   39    4.00000    5.50000  37.5%     -    1s
     0     2    5.50000    0   19    4.00000    5.50000  37.5%     -    1s
*  274    28              11       5.0000000    5.00000  0.00%  16.2    2s

Cutting planes:
  Cover: 2
  MIR: 10
  StrongCG: 1
  Inf proof: 11
  Zero half: 2
  RLT: 15

Explored 313 nodes (7615 simplex iterations) in 2.29 seconds (0.45 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 5 4 1 

Optimal solution found (tolerance 1.00e-04)
Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo1132.19.sol'

