
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 09:10:05 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7064.44.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/grafo7064.44.lp
Reading time = 0.20 seconds
: 128424 rows, 2738 columns, 387768 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 128424 rows, 2738 columns and 387768 nonzeros
Model fingerprint: 0x99f834c6
Variable types: 53 continuous, 2685 integer (2685 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 30768 rows and 38 columns
Presolve time: 0.88s
Presolved: 97656 rows, 2700 columns, 295894 nonzeros
Variable types: 0 continuous, 2700 integer (2647 binary)
Root relaxation presolved: 2694 rows, 100350 columns, 298594 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   19069    4.9643770e+01   0.000000e+00   2.074065e+04      5s
   40931    4.9616822e+01   0.000000e+00   2.022119e+02     10s
   41428    5.0000000e+01   0.000000e+00   0.000000e+00     10s
   41428    5.0000000e+01   0.000000e+00   0.000000e+00     10s
   41428    5.0000000e+01   0.000000e+00   0.000000e+00     10s

Root relaxation: objective 5.000000e+01, 41428 iterations, 9.11 seconds (7.39 work units)
Total elapsed time = 23.32s (DegenMoves)
Total elapsed time = 25.57s (DegenMoves)

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

     0     0   50.00000    0  717          -   50.00000      -     -   26s
H    0     0                       5.0000000   50.00000   900%     -   30s
     0     0          -    0         5.00000   50.00000   900%     -   50s

Cutting planes:
  Gomory: 24
  Cover: 57
  Clique: 23
  MIR: 129
  GUB cover: 2
  Zero half: 76
  RLT: 56
  BQP: 3

Explored 1 nodes (66958 simplex iterations) in 50.04 seconds (48.41 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 5 

Time limit reached
Best objective 5.000000000000e+00, best bound 5.000000000000e+01, gap 900.0000%

Wrote result file './lp_solutions/grafo7064.44.sol'

