
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 18:46:58 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3512.33.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/grafo3512.33.lp
Reading time = 0.17 seconds
: 104553 rows, 1410 columns, 314707 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 104553 rows, 1410 columns and 314707 nonzeros
Model fingerprint: 0x7829a584
Variable types: 35 continuous, 1375 integer (1375 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 2.0000000
Presolve removed 43647 rows and 19 columns
Presolve time: 0.75s
Presolved: 60906 rows, 1391 columns, 184006 nonzeros
Variable types: 0 continuous, 1391 integer (1356 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 1391 rows, 62297 columns, 185397 nonzeros


Root relaxation: objective 3.200000e+01, 1690 iterations, 0.48 seconds (0.54 work units)

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

     0     0   32.00000    0  316    7.00000   32.00000   357%     -    5s
H    0     0                       8.0000000   32.00000   300%     -    6s
     0     0   32.00000    0  479    8.00000   32.00000   300%     -    9s
     0     0   32.00000    0  468    8.00000   32.00000   300%     -    9s
H    0     0                       9.0000000   32.00000   256%     -   23s
     0     0   32.00000    0  297    9.00000   32.00000   256%     -   23s
     0     0   32.00000    0  283    9.00000   32.00000   256%     -   24s
     0     0   32.00000    0  273    9.00000   32.00000   256%     -   35s
     0     0   32.00000    0  333    9.00000   32.00000   256%     -   36s
     0     0   32.00000    0  265    9.00000   32.00000   256%     -   44s
     0     0   32.00000    0  259    9.00000   32.00000   256%     -   44s
     0     0   32.00000    0  413    9.00000   32.00000   256%     -   50s

Cutting planes:
  Cover: 24
  Clique: 16
  MIR: 129
  StrongCG: 1
  GUB cover: 1
  Zero half: 30
  RLT: 53

Explored 1 nodes (42771 simplex iterations) in 50.08 seconds (49.53 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 9 8 7 2 

Time limit reached
Best objective 9.000000000000e+00, best bound 3.200000000000e+01, gap 255.5556%

Wrote result file './lp_solutions/grafo3512.33.sol'

