
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 20:53:55 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2224.37.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/grafo2224.37.lp
Reading time = 0.07 seconds
: 40870 rows, 1574 columns, 123723 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 40870 rows, 1574 columns and 123723 nonzeros
Model fingerprint: 0xb571db82
Variable types: 37 continuous, 1537 integer (1537 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 6367 rows and 31 columns
Presolve time: 0.28s
Presolved: 34503 rows, 1543 columns, 105049 nonzeros
Variable types: 0 continuous, 1543 integer (1506 binary)
Root relaxation presolved: 18963 rows, 17083 columns, 73969 nonzeros


Root relaxation: objective 2.700000e+01, 2868 iterations, 1.05 seconds (0.94 work units)

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0   27.00000    0  441          -   27.00000      -     -    3s
H    0     0                       7.0000000   27.00000   286%     -    3s
     0     0   27.00000    0  760    7.00000   27.00000   286%     -   11s
H    0     0                       8.0000000   27.00000   237%     -   11s
     0     0   27.00000    0  748    8.00000   27.00000   237%     -   11s
     0     0   27.00000    0  281    8.00000   27.00000   237%     -   18s
     0     0   27.00000    0  281    8.00000   27.00000   237%     -   18s
     0     0   27.00000    0  264    8.00000   27.00000   237%     -   21s
H    0     0                       9.0000000   27.00000   200%     -   22s
     0     0   27.00000    0  408    9.00000   27.00000   200%     -   22s
     0     0   27.00000    0  306    9.00000   27.00000   200%     -   33s
     0     0   27.00000    0  289    9.00000   27.00000   200%     -   33s
     0     0   27.00000    0  363    9.00000   27.00000   200%     -   37s
     0     0   27.00000    0  347    9.00000   27.00000   200%     -   37s
     0     0   27.00000    0  354    9.00000   27.00000   200%     -   43s
     0     0   27.00000    0  299    9.00000   27.00000   200%     -   43s
     0     0   27.00000    0  465    9.00000   27.00000   200%     -   50s

Cutting planes:
  Cover: 12
  Clique: 9
  MIR: 64
  Zero half: 19
  RLT: 38

Explored 1 nodes (78140 simplex iterations) in 50.05 seconds (44.35 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 9 8 7 

Time limit reached
Best objective 9.000000000000e+00, best bound 2.700000000000e+01, gap 200.0000%

Wrote result file './lp_solutions/grafo2224.37.sol'

