
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 04:33:01 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6987.39.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/grafo6987.39.lp
Reading time = 0.12 seconds
: 74304 rows, 1597 columns, 223927 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 74304 rows, 1597 columns and 223927 nonzeros
Model fingerprint: 0xaf1a4733
Variable types: 34 continuous, 1563 integer (1563 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 24338 rows and 16 columns
Presolve time: 0.47s
Presolved: 49966 rows, 1581 columns, 151148 nonzeros
Variable types: 0 continuous, 1581 integer (1547 binary)
Root relaxation presolved: 1579 rows, 51545 columns, 152729 nonzeros


Root relaxation: objective 3.400000e+01, 2043 iterations, 0.52 seconds (0.60 work units)
Total elapsed time = 5.30s (DegenMoves)

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

     0     0   34.00000    0  350          -   34.00000      -     -    5s
H    0     0                      10.0000000   34.00000   240%     -    5s
H    0     0                      11.0000000   34.00000   209%     -    5s
     0     0   34.00000    0  627   11.00000   34.00000   209%     -   11s
     0     0   34.00000    0  598   11.00000   34.00000   209%     -   12s
H    0     0                      12.0000000   34.00000   183%     -   32s
     0     0   34.00000    0  247   12.00000   34.00000   183%     -   32s
     0     0   34.00000    0  256   12.00000   34.00000   183%     -   32s
     0     0   34.00000    0  355   12.00000   34.00000   183%     -   43s
     0     0   34.00000    0  313   12.00000   34.00000   183%     -   43s
     0     0   34.00000    0  437   12.00000   34.00000   183%     -   50s

Cutting planes:
  Cover: 23
  Clique: 19
  MIR: 80
  StrongCG: 4
  Inf proof: 1
  Zero half: 37
  RLT: 61

Explored 1 nodes (57100 simplex iterations) in 50.09 seconds (52.50 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 12 11 10 

Time limit reached
Best objective 1.200000000000e+01, best bound 3.400000000000e+01, gap 183.3333%

Wrote result file './lp_solutions/grafo6987.39.sol'

