
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 07:50:25 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo767.22.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/grafo767.22.lp
Reading time = 0.02 seconds
: 5413 rows, 421 columns, 16345 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 5413 rows, 421 columns and 16345 nonzeros
Model fingerprint: 0x63046f22
Variable types: 16 continuous, 405 integer (405 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 824 rows and 18 columns
Presolve time: 0.05s
Presolved: 4589 rows, 403 columns, 14005 nonzeros
Variable types: 0 continuous, 403 integer (387 binary)

Root relaxation: objective 1.000000e+01, 190 iterations, 0.02 seconds (0.01 work units)

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

     0     0   10.00000    0   55          -   10.00000      -     -    0s
H    0     0                       6.0000000   10.00000  66.7%     -    0s
     0     0   10.00000    0   63    6.00000   10.00000  66.7%     -    0s
     0     0    9.16667    0   56    6.00000    9.16667  52.8%     -    0s
     0     0    9.00000    0   81    6.00000    9.00000  50.0%     -    0s
     0     0    8.66667    0   43    6.00000    8.66667  44.4%     -    0s
     0     0    8.66667    0   44    6.00000    8.66667  44.4%     -    1s
     0     0    8.00000    0   52    6.00000    8.00000  33.3%     -    1s
H    0     0                       7.0000000    8.00000  14.3%     -    1s
     0     0    8.00000    0   50    7.00000    8.00000  14.3%     -    1s
     0     0    8.00000    0   43    7.00000    8.00000  14.3%     -    1s
     0     0    8.00000    0   49    7.00000    8.00000  14.3%     -    1s
     0     0    8.00000    0   71    7.00000    8.00000  14.3%     -    1s
     0     0    8.00000    0   55    7.00000    8.00000  14.3%     -    1s
     0     2    8.00000    0   55    7.00000    8.00000  14.3%     -    2s

Cutting planes:
  Gomory: 4
  Cover: 11
  MIR: 60
  StrongCG: 2
  GUB cover: 2
  Inf proof: 2
  Zero half: 10
  RLT: 21

Explored 321 nodes (11234 simplex iterations) in 2.98 seconds (1.09 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 7 6 

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/grafo767.22.sol'

