
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 14:25:12 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2189.14.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/grafo2189.14.lp
Reading time = 0.01 seconds
: 3889 rows, 260 columns, 11766 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 3889 rows, 260 columns and 11766 nonzeros
Model fingerprint: 0xbf341a22
Variable types: 14 continuous, 246 integer (246 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 1411 rows and 3 columns
Presolve time: 0.02s
Presolved: 2478 rows, 257 columns, 7636 nonzeros
Variable types: 0 continuous, 257 integer (243 binary)
Found heuristic solution: objective 2.0000000

Root relaxation: objective 9.000000e+00, 134 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    9.00000    0   33    2.00000    9.00000   350%     -    0s
H    0     0                       4.0000000    9.00000   125%     -    0s
     0     0    9.00000    0   63    4.00000    9.00000   125%     -    0s
     0     0    9.00000    0   63    4.00000    9.00000   125%     -    0s
H    0     0                       5.0000000    9.00000  80.0%     -    0s
     0     0    9.00000    0   46    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   41    5.00000    9.00000  80.0%     -    0s
H    0     0                       6.0000000    9.00000  50.0%     -    0s
     0     0    9.00000    0   21    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   22    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   59    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   58    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   71    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   65    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   33    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   38    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   55    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   37    6.00000    9.00000  50.0%     -    0s
     0     2    9.00000    0   37    6.00000    9.00000  50.0%     -    0s
H  285   185                       7.0000000    9.00000  28.6%  47.3    1s

Cutting planes:
  Gomory: 1
  Cover: 33
  Clique: 9
  MIR: 49
  StrongCG: 3
  Inf proof: 13
  Zero half: 10
  RLT: 27
  BQP: 1

Explored 1037 nodes (36297 simplex iterations) in 1.62 seconds (1.46 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 7 6 5 ... 2

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/grafo2189.14.sol'

