
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 20:27:57 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5839.36.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/grafo5839.36.lp
Reading time = 0.11 seconds
: 61823 rows, 1351 columns, 186318 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 61823 rows, 1351 columns and 186318 nonzeros
Model fingerprint: 0xdea04a1d
Variable types: 32 continuous, 1319 integer (1319 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 20697 rows and 18 columns
Presolve time: 0.51s
Presolved: 41126 rows, 1333 columns, 124450 nonzeros
Variable types: 0 continuous, 1333 integer (1301 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 1333 rows, 42459 columns, 125783 nonzeros


Root relaxation: objective 2.600000e+01, 1028 iterations, 0.23 seconds (0.20 work units)

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

     0     0   26.00000    0  163    8.00000   26.00000   225%     -    2s
     0     0   26.00000    0  379    8.00000   26.00000   225%     -    4s
     0     0   26.00000    0  362    8.00000   26.00000   225%     -    4s
H    0     0                       9.0000000   26.00000   189%     -   10s
     0     0   26.00000    0  232    9.00000   26.00000   189%     -   10s
     0     0   26.00000    0  243    9.00000   26.00000   189%     -   10s
     0     0   26.00000    0  388    9.00000   26.00000   189%     -   16s
     0     0   26.00000    0  353    9.00000   26.00000   189%     -   16s
     0     0   26.00000    0  288    9.00000   26.00000   189%     -   24s
     0     0   26.00000    0  277    9.00000   26.00000   189%     -   24s
     0     0   26.00000    0  268    9.00000   26.00000   189%     -   28s
     0     0   26.00000    0  246    9.00000   26.00000   189%     -   29s
H    0     0                      10.0000000   26.00000   160%     -   31s
H    0     0                      11.0000000   26.00000   136%     -   35s
     0     0   26.00000    0  253   11.00000   26.00000   136%     -   35s
     0     0   26.00000    0  226   11.00000   26.00000   136%     -   36s
H    0     0                      12.0000000   26.00000   117%     -   38s
     0     2   26.00000    0  226   12.00000   26.00000   117%     -   40s
    69    85   25.00000   17  288   12.00000   26.00000   117%   240   47s
   109   123   25.00000   23  347   12.00000   26.00000   117%   350   50s

Cutting planes:
  Gomory: 2
  Cover: 2
  Clique: 15
  MIR: 43
  StrongCG: 3
  Zero half: 6
  RLT: 36

Explored 122 nodes (84192 simplex iterations) in 50.06 seconds (53.93 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 12 11 10 ... 8

Time limit reached
Best objective 1.200000000000e+01, best bound 2.600000000000e+01, gap 116.6667%

Wrote result file './lp_solutions/grafo5839.36.sol'

