
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 04:43:08 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2460.14.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/grafo2460.14.lp
Reading time = 0.01 seconds
: 3151 rows, 205 columns, 9487 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 3151 rows, 205 columns and 9487 nonzeros
Model fingerprint: 0x5ad18f57
Variable types: 11 continuous, 194 integer (194 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 -0.0000000
Presolve removed 1292 rows and 6 columns
Presolve time: 0.04s
Presolved: 1859 rows, 199 columns, 5653 nonzeros
Variable types: 0 continuous, 199 integer (188 binary)
Found heuristic solution: objective 1.0000000

Root relaxation: objective 1.000000e+01, 139 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   10.00000    0   56    1.00000   10.00000   900%     -    0s
H    0     0                       3.0000000   10.00000   233%     -    0s
     0     0   10.00000    0   95    3.00000   10.00000   233%     -    0s
     0     0   10.00000    0   95    3.00000   10.00000   233%     -    0s
H    0     0                       4.0000000   10.00000   150%     -    0s
     0     0   10.00000    0   41    4.00000   10.00000   150%     -    0s
     0     0   10.00000    0   32    4.00000   10.00000   150%     -    0s
     0     0   10.00000    0   50    4.00000   10.00000   150%     -    0s
     0     0   10.00000    0   48    4.00000   10.00000   150%     -    0s
     0     0    9.66667    0   79    4.00000    9.66667   142%     -    0s
     0     0    9.50000    0   74    4.00000    9.50000   138%     -    0s
     0     0    9.50000    0   72    4.00000    9.50000   138%     -    0s
     0     0    9.33333    0   66    4.00000    9.33333   133%     -    0s
     0     0    9.22222    0   56    4.00000    9.22222   131%     -    0s
     0     0    9.00000    0   63    4.00000    9.00000   125%     -    0s
     0     0    9.00000    0   64    4.00000    9.00000   125%     -    0s
     0     0    9.00000    0   61    4.00000    9.00000   125%     -    0s
     0     2    9.00000    0   53    4.00000    9.00000   125%     -    1s
*  115   113              23       5.0000000    9.00000  80.0%  37.6    1s
H  366   214                       6.0000000    9.00000  50.0%  38.6    1s

Cutting planes:
  Cover: 18
  Clique: 11
  MIR: 87
  StrongCG: 3
  GUB cover: 1
  Inf proof: 13
  Zero half: 32
  RLT: 45

Explored 1327 nodes (37472 simplex iterations) in 2.44 seconds (1.17 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 6 5 4 ... -0

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo2460.14.sol'

