
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 05:00:24 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2659.13.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/grafo2659.13.lp
Reading time = 0.01 seconds
: 2281 rows, 223 columns, 6904 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 2281 rows, 223 columns and 6904 nonzeros
Model fingerprint: 0x440285f7
Variable types: 13 continuous, 210 integer (210 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 739 rows and 10 columns
Presolve time: 0.03s
Presolved: 1542 rows, 213 columns, 4774 nonzeros
Variable types: 0 continuous, 213 integer (200 binary)
Found heuristic solution: objective 4.0000000

Root relaxation: objective 1.100000e+01, 175 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   11.00000    0   81    4.00000   11.00000   175%     -    0s
     0     0   11.00000    0   99    4.00000   11.00000   175%     -    0s
     0     0   11.00000    0  100    4.00000   11.00000   175%     -    0s
     0     0   11.00000    0   94    4.00000   11.00000   175%     -    0s
     0     0   11.00000    0   93    4.00000   11.00000   175%     -    0s
     0     0   11.00000    0   77    4.00000   11.00000   175%     -    0s
     0     0   11.00000    0   76    4.00000   11.00000   175%     -    0s
     0     0   11.00000    0   93    4.00000   11.00000   175%     -    0s
     0     0   11.00000    0   89    4.00000   11.00000   175%     -    0s
     0     0   11.00000    0   69    4.00000   11.00000   175%     -    0s
     0     0   11.00000    0   66    4.00000   11.00000   175%     -    0s
     0     0   11.00000    0   96    4.00000   11.00000   175%     -    0s
     0     0   11.00000    0   92    4.00000   11.00000   175%     -    0s
     0     2   11.00000    0   92    4.00000   11.00000   175%     -    0s
H  134   132                       5.0000000   11.00000   120%  43.2    1s
H  573   285                       7.0000000   11.00000  57.1%  41.3    2s
  4035    15     cutoff   12         7.00000    8.00000  14.3%  36.5    5s

Cutting planes:
  Gomory: 1
  Cover: 12
  MIR: 84
  StrongCG: 1
  Inf proof: 73
  Zero half: 7
  RLT: 30

Explored 4277 nodes (155754 simplex iterations) in 5.02 seconds (3.28 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 7 5 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/grafo2659.13.sol'

