
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 15:28:40 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo261.14.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/grafo261.14.lp
Reading time = 0.01 seconds
: 3767 rows, 246 columns, 11376 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 3767 rows, 246 columns and 11376 nonzeros
Model fingerprint: 0x66303e08
Variable types: 13 continuous, 233 integer (233 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 1452 rows and 6 columns
Presolve time: 0.02s
Presolved: 2315 rows, 240 columns, 7135 nonzeros
Variable types: 0 continuous, 240 integer (227 binary)
Found heuristic solution: objective 3.0000000

Root relaxation: objective 9.000000e+00, 136 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   53    3.00000    9.00000   200%     -    0s
H    0     0                       4.0000000    9.00000   125%     -    0s
     0     0    9.00000    0  106    4.00000    9.00000   125%     -    0s
     0     0    9.00000    0  101    4.00000    9.00000   125%     -    0s
     0     0    9.00000    0   86    4.00000    9.00000   125%     -    0s
     0     0    9.00000    0   89    4.00000    9.00000   125%     -    0s
H    0     0                       5.0000000    9.00000  80.0%     -    0s
     0     0    9.00000    0   35    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   49    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   73    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   72    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   38    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   85    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   64    5.00000    9.00000  80.0%     -    0s
H    0     0                       6.0000000    9.00000  50.0%     -    0s
     0     0    9.00000    0   61    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   78    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   58    6.00000    9.00000  50.0%     -    0s
     0     2    9.00000    0   58    6.00000    9.00000  50.0%     -    0s
  3789  1019    7.50000   14   58    6.00000    8.00000  33.3%  57.6    5s
  6910   662 infeasible   33         6.00000    7.50000  25.0%  63.4   10s

Cutting planes:
  Clique: 1
  MIR: 1
  Inf proof: 3
  RLT: 1

Explored 12019 nodes (831184 simplex iterations) in 14.80 seconds (13.66 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 6 6 6 ... 1

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/grafo261.14.sol'

