
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 08:11:18 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6296.43.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/grafo6296.43.lp
Reading time = 0.19 seconds
: 120042 rows, 2558 columns, 362359 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 120042 rows, 2558 columns and 362359 nonzeros
Model fingerprint: 0x3cafb66e
Variable types: 51 continuous, 2507 integer (2507 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 30532 rows and 34 columns
Presolve time: 0.87s
Presolved: 89510 rows, 2524 columns, 271156 nonzeros
Variable types: 0 continuous, 2524 integer (2473 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 2521 rows, 92031 columns, 273680 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   22593    4.9954058e+01   0.000000e+00   1.047301e+04      5s
   45037    4.9939861e+01   0.000000e+00   2.482362e+03     10s
   65845    4.9938110e+01   0.000000e+00   1.054840e+02     15s
   69211    5.0000000e+01   0.000000e+00   0.000000e+00     16s
   69211    5.0000000e+01   0.000000e+00   0.000000e+00     16s
   69211    5.0000000e+01   0.000000e+00   0.000000e+00     16s

Root relaxation: objective 5.000000e+01, 69211 iterations, 14.78 seconds (12.35 work units)
Total elapsed time = 33.24s (DegenMoves)
Total elapsed time = 35.56s (DegenMoves)

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

     0     0   50.00000    0  698    8.00000   50.00000   525%     -   35s
H    0     0                      11.0000000   50.00000   355%     -   36s
     0     0          -    0        11.00000   50.00000   355%     -   50s

Cutting planes:
  Gomory: 37
  Cover: 50
  Clique: 41
  MIR: 145
  StrongCG: 2
  GUB cover: 9
  Zero half: 61
  RLT: 65
  BQP: 4

Explored 1 nodes (91516 simplex iterations) in 50.02 seconds (47.26 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 11 8 

Time limit reached
Best objective 1.100000000000e+01, best bound 5.000000000000e+01, gap 354.5455%

Wrote result file './lp_solutions/grafo6296.43.sol'

