
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 16:14:31 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2917.14.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/grafo2917.14.lp
Reading time = 0.01 seconds
: 5897 rows, 239 columns, 17774 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 5897 rows, 239 columns and 17774 nonzeros
Model fingerprint: 0xbd1850d7
Variable types: 12 continuous, 227 integer (227 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 2703 rows and 6 columns
Presolve time: 0.04s
Presolved: 3194 rows, 233 columns, 9735 nonzeros
Variable types: 0 continuous, 233 integer (221 binary)

Root relaxation: objective 1.100000e+01, 257 iterations, 0.02 seconds (0.02 work units)

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

     0     0   11.00000    0   65    1.00000   11.00000  1000%     -    0s
H    0     0                       4.0000000   11.00000   175%     -    0s
H    0     0                       6.0000000   11.00000  83.3%     -    0s
     0     0   11.00000    0   80    6.00000   11.00000  83.3%     -    0s
     0     0   11.00000    0   80    6.00000   11.00000  83.3%     -    0s
     0     0   10.00000    0   63    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   67    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   69    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   61    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   65    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   65    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   62    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   61    6.00000   10.00000  66.7%     -    0s
H    0     0                       7.0000000   10.00000  42.9%     -    0s
     0     2   10.00000    0   61    7.00000   10.00000  42.9%     -    0s
  4394   767     cutoff   37         7.00000    8.00000  14.3%  46.4    5s
 12514   479     cutoff   34         7.00000    8.00000  14.3%  44.3   10s

Cutting planes:
  Gomory: 3
  Cover: 127
  Clique: 14
  MIR: 77
  StrongCG: 1
  GUB cover: 2
  Inf proof: 213
  Zero half: 8
  RLT: 27
  BQP: 3

Explored 17384 nodes (763434 simplex iterations) in 13.60 seconds (16.00 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 7 6 4 1 

Optimal solution found (tolerance 1.00e-04)
Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo2917.14.sol'

