
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 05:20:00 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2893.16.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/grafo2893.16.lp
Reading time = 0.01 seconds
: 3323 rows, 285 columns, 10039 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 3323 rows, 285 columns and 10039 nonzeros
Model fingerprint: 0x7c2f61d7
Variable types: 14 continuous, 271 integer (271 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 978 rows and 12 columns
Presolve time: 0.02s
Presolved: 2345 rows, 273 columns, 7207 nonzeros
Variable types: 0 continuous, 273 integer (259 binary)
Found heuristic solution: objective 2.0000000

Root relaxation: objective 1.200000e+01, 236 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   12.00000    0   80    2.00000   12.00000   500%     -    0s
H    0     0                       3.0000000   12.00000   300%     -    0s
H    0     0                       4.0000000   12.00000   200%     -    0s
     0     0   12.00000    0  124    4.00000   12.00000   200%     -    0s
     0     0   12.00000    0  124    4.00000   12.00000   200%     -    0s
     0     0   12.00000    0   86    4.00000   12.00000   200%     -    0s
H    0     0                       5.0000000   12.00000   140%     -    0s
     0     0   12.00000    0   85    5.00000   12.00000   140%     -    0s
     0     0   11.66667    0   45    5.00000   11.66667   133%     -    0s
H    0     0                       7.0000000   11.66667  66.7%     -    0s
     0     0   11.50000    0   58    7.00000   11.50000  64.3%     -    0s
     0     0   11.50000    0   67    7.00000   11.50000  64.3%     -    0s
     0     0   11.50000    0   79    7.00000   11.50000  64.3%     -    0s
     0     0   11.00000    0   77    7.00000   11.00000  57.1%     -    0s
     0     0   11.00000    0   64    7.00000   11.00000  57.1%     -    0s
     0     0   11.00000    0   71    7.00000   11.00000  57.1%     -    1s
     0     0   11.00000    0   71    7.00000   11.00000  57.1%     -    1s
     0     2   11.00000    0   56    7.00000   11.00000  57.1%     -    1s
  2214   891   10.00000   10  126    7.00000   10.00000  42.9%  31.6    5s
  4583   696     cutoff   19         7.00000    9.00000  28.6%  37.1   10s

Cutting planes:
  Clique: 1
  MIR: 2
  StrongCG: 1
  GUB cover: 1
  Inf proof: 7
  RLT: 5

Explored 7568 nodes (300637 simplex iterations) in 14.43 seconds (6.68 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 7 7 7 ... 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/grafo2893.16.sol'

