
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 07:02:50 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6961.46.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/grafo6961.46.lp
Reading time = 0.11 seconds
: 68505 rows, 2276 columns, 207199 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 68505 rows, 2276 columns and 207199 nonzeros
Model fingerprint: 0x02424393
Variable types: 45 continuous, 2231 integer (2231 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 6008 rows and 37 columns
Presolve time: 0.48s
Presolved: 62497 rows, 2239 columns, 189563 nonzeros
Variable types: 0 continuous, 2239 integer (2194 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 2239 rows, 64736 columns, 191802 nonzeros


Root relaxation: objective 3.400000e+01, 24439 iterations, 3.68 seconds (3.20 work units)
Total elapsed time = 13.58s (DegenMoves)
Total elapsed time = 15.76s (DegenMoves)

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

     0     0   34.00000    0  540    7.00000   34.00000   386%     -   16s
H    0     0                       9.0000000   34.00000   278%     -   16s
H    0     0                      11.0000000   34.00000   209%     -   18s
H    0     0                      12.0000000   34.00000   183%     -   23s
     0     0   34.00000    0  713   12.00000   34.00000   183%     -   23s
     0     0   34.00000    0  671   12.00000   34.00000   183%     -   25s
     0     0   33.00000    0  363   12.00000   33.00000   175%     -   36s
H    0     0                      14.0000000   33.00000   136%     -   37s
     0     0   33.00000    0  360   14.00000   33.00000   136%     -   37s
     0     0   33.00000    0  468   14.00000   33.00000   136%     -   50s

Cutting planes:
  Cover: 29
  MIR: 103
  GUB cover: 4
  Zero half: 32
  RLT: 45

Explored 1 nodes (71564 simplex iterations) in 50.07 seconds (46.53 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 14 12 11 ... 4

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

Wrote result file './lp_solutions/grafo6961.46.sol'

