
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 06:19:40 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6059.41.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/grafo6059.41.lp
Reading time = 0.09 seconds
: 54978 rows, 1711 columns, 165979 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 54978 rows, 1711 columns and 165979 nonzeros
Model fingerprint: 0xb0750866
Variable types: 35 continuous, 1676 integer (1676 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 4.0000000
Presolve removed 11799 rows and 7 columns
Presolve time: 0.33s
Presolved: 43179 rows, 1704 columns, 131001 nonzeros
Variable types: 0 continuous, 1704 integer (1669 binary)
Found heuristic solution: objective 11.0000000
Root relaxation presolved: 25974 rows, 18909 columns, 96591 nonzeros


Root relaxation: objective 3.300000e+01, 2411 iterations, 0.88 seconds (0.87 work units)

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

     0     0   33.00000    0  260   11.00000   33.00000   200%     -    3s
H    0     0                      12.0000000   33.00000   175%     -    3s
H    0     0                      13.0000000   33.00000   154%     -    3s
     0     0   33.00000    0  520   13.00000   33.00000   154%     -    5s
     0     0   33.00000    0  506   13.00000   33.00000   154%     -    5s
     0     0   33.00000    0  329   13.00000   33.00000   154%     -   13s
     0     0   33.00000    0  455   13.00000   33.00000   154%     -   14s
H    0     0                      14.0000000   33.00000   136%     -   21s
     0     0   33.00000    0  428   14.00000   33.00000   136%     -   21s
     0     0   33.00000    0  511   14.00000   33.00000   136%     -   23s
     0     0   33.00000    0  399   14.00000   33.00000   136%     -   32s
     0     0   33.00000    0  458   14.00000   33.00000   136%     -   33s
     0     0   33.00000    0  265   14.00000   33.00000   136%     -   38s
     0     0   33.00000    0  365   14.00000   33.00000   136%     -   38s
     0     0   33.00000    0  328   14.00000   33.00000   136%     -   42s
     0     0   33.00000    0  255   14.00000   33.00000   136%     -   43s
     0     2   33.00000    0  225   14.00000   33.00000   136%     -   47s
    15    19   33.00000    4  325   14.00000   33.00000   136%   592   50s

Cutting planes:
  Gomory: 3
  Cover: 6
  Clique: 8
  MIR: 80
  StrongCG: 5
  Zero half: 2
  RLT: 49
  Relax-and-lift: 2

Explored 18 nodes (78196 simplex iterations) in 50.05 seconds (52.06 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 14 13 12 ... 4

Time limit reached
Best objective 1.400000000000e+01, best bound 3.300000000000e+01, gap 135.7143%

Wrote result file './lp_solutions/grafo6059.41.sol'

