
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 03:31:45 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo9979.38.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/grafo9979.38.lp
Reading time = 0.10 seconds
: 62861 rows, 1940 columns, 190186 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 62861 rows, 1940 columns and 190186 nonzeros
Model fingerprint: 0x4783af70
Variable types: 43 continuous, 1897 integer (1897 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 5.0000000
Presolve removed 12985 rows and 25 columns
Presolve time: 0.42s
Presolved: 49876 rows, 1915 columns, 151759 nonzeros
Variable types: 0 continuous, 1915 integer (1872 binary)
Found heuristic solution: objective 13.0000000
Root relaxation presolved: 29099 rows, 22692 columns, 110205 nonzeros


Root relaxation: objective 3.900000e+01, 2414 iterations, 0.86 seconds (0.82 work units)

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

     0     0   39.00000    0  342   13.00000   39.00000   200%     -    4s
H    0     0                      15.0000000   39.00000   160%     -    5s
     0     0   39.00000    0  654   15.00000   39.00000   160%     -    8s
H    0     0                      16.0000000   39.00000   144%     -    9s
     0     0   39.00000    0  642   16.00000   39.00000   144%     -    9s
H    0     0                      17.0000000   39.00000   129%     -   26s
     0     0   39.00000    0  463   17.00000   39.00000   129%     -   26s
     0     0   39.00000    0  543   17.00000   39.00000   129%     -   28s
     0     0   39.00000    0  626   17.00000   39.00000   129%     -   50s

Cutting planes:
  Gomory: 5
  Cover: 31
  Clique: 5
  MIR: 126
  StrongCG: 3
  GUB cover: 5
  Zero half: 39
  RLT: 52
  BQP: 4

Explored 1 nodes (55419 simplex iterations) in 50.11 seconds (47.34 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 17 16 15 ... 5

Time limit reached
Best objective 1.700000000000e+01, best bound 3.900000000000e+01, gap 129.4118%

Wrote result file './lp_solutions/grafo9979.38.sol'

