
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 06:12:07 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5334.41.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/grafo5334.41.lp
Reading time = 0.30 seconds
: 192344 rows, 2583 columns, 579340 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 192344 rows, 2583 columns and 579340 nonzeros
Model fingerprint: 0xb240151e
Variable types: 51 continuous, 2532 integer (2532 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 1.0000000
Presolve removed 72473 rows and 9 columns
Presolve time: 1.20s
Presolved: 119871 rows, 2574 columns, 362334 nonzeros
Variable types: 0 continuous, 2574 integer (2523 binary)
Found heuristic solution: objective 11.0000000
Root relaxation presolved: 2562 rows, 122433 columns, 364908 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   20644    8.3546053e+01   0.000000e+00   1.381982e+05      5s
   42506    6.3748075e+01   0.000000e+00   3.045545e+04     10s
   64346    6.3717527e+01   0.000000e+00   3.971471e+03     15s
   79711    6.4000000e+01   0.000000e+00   0.000000e+00     19s
   79711    6.4000000e+01   0.000000e+00   0.000000e+00     19s
   79711    6.4000000e+01   0.000000e+00   0.000000e+00     19s

Root relaxation: objective 6.400000e+01, 79711 iterations, 17.25 seconds (13.63 work units)
Total elapsed time = 41.70s (DegenMoves)
Total elapsed time = 45.18s (DegenMoves)

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

     0     0   64.00000    0  679   11.00000   64.00000   482%     -   48s

Cutting planes:
  Cover: 63
  Clique: 57
  MIR: 287
  StrongCG: 1
  GUB cover: 2

Explored 1 nodes (99242 simplex iterations) in 50.03 seconds (53.11 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 11 1 

Time limit reached
Best objective 1.100000000000e+01, best bound 6.400000000000e+01, gap 481.8182%

Wrote result file './lp_solutions/grafo5334.41.sol'

