
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 00:28:04 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2541.14.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/grafo2541.14.lp
Reading time = 0.20 seconds
: 120608 rows, 560 columns, 362231 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 120608 rows, 560 columns and 362231 nonzeros
Model fingerprint: 0x8b786cae
Variable types: 21 continuous, 539 integer (539 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 63289 rows and 2 columns
Presolve time: 0.85s
Presolved: 57319 rows, 558 columns, 172450 nonzeros
Variable types: 0 continuous, 558 integer (537 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 557 rows, 57876 columns, 173008 nonzeros


Root relaxation: objective 2.700000e+01, 878 iterations, 0.44 seconds (0.60 work units)

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

     0     0   27.00000    0  260    5.00000   27.00000   440%     -    3s
     0     0   27.00000    0  321    5.00000   27.00000   440%     -    7s
     0     0   27.00000    0  312    5.00000   27.00000   440%     -    7s
     0     0   27.00000    0  228    5.00000   27.00000   440%     -   18s
     0     0   27.00000    0  206    5.00000   27.00000   440%     -   19s
     0     0   27.00000    0  276    5.00000   27.00000   440%     -   32s
H    0     0                       6.0000000   27.00000   350%     -   33s
     0     0   27.00000    0  203    6.00000   27.00000   350%     -   33s
     0     0   26.66667    0  208    6.00000   26.66667   344%     -   39s
     0     0   26.66667    0  161    6.00000   26.66667   344%     -   40s
     0     0   26.66667    0  244    6.00000   26.66667   344%     -   49s
     0     0          -    0         6.00000   26.66667   344%     -   50s

Cutting planes:
  Cover: 1
  Clique: 44
  MIR: 29
  Zero half: 4
  RLT: 13
  BQP: 6

Explored 1 nodes (27882 simplex iterations) in 50.08 seconds (45.61 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 6 5 -0 

Time limit reached
Best objective 6.000000000000e+00, best bound 2.600000000000e+01, gap 333.3333%

Wrote result file './lp_solutions/grafo2541.14.sol'

