
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 01:28:51 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6046.41.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/grafo6046.41.lp
Reading time = 0.27 seconds
: 140704 rows, 2697 columns, 424628 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 140704 rows, 2697 columns and 424628 nonzeros
Model fingerprint: 0xa34f395a
Variable types: 53 continuous, 2644 integer (2644 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 40551 rows and 30 columns
Presolve time: 1.37s
Presolved: 100153 rows, 2667 columns, 303688 nonzeros
Variable types: 0 continuous, 2667 integer (2614 binary)
Found heuristic solution: objective 11.0000000
Root relaxation presolved: 2661 rows, 102814 columns, 306355 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   13029    6.3961839e+01   0.000000e+00   1.341627e+05      5s
   28080    5.2922632e+01   0.000000e+00   3.260631e+05     10s
   43760    5.2906655e+01   0.000000e+00   3.982505e+04     15s
   59648    5.2897998e+01   0.000000e+00   2.960272e+04     20s
   75779    5.2892421e+01   0.000000e+00   3.690964e+03     25s
   92395    5.2888998e+01   0.000000e+00   1.374263e+04     30s
  109135    5.2887194e+01   0.000000e+00   1.417473e+03     35s
  125147    5.2886654e+01   0.000000e+00   2.538498e+01     40s
  129305    5.3000000e+01   0.000000e+00   0.000000e+00     41s
  129305    5.3000000e+01   0.000000e+00   0.000000e+00     42s
  129305    5.3000000e+01   0.000000e+00   0.000000e+00     42s

Root relaxation: objective 5.300000e+01, 129305 iterations, 39.91 seconds (28.49 work units)

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

     0     0   53.00000    0 1900   11.00000   53.00000   382%     -   50s

Explored 1 nodes (133368 simplex iterations) in 50.04 seconds (37.32 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 11 

Time limit reached
Best objective 1.100000000000e+01, best bound 5.300000000000e+01, gap 381.8182%

Wrote result file './lp_solutions/grafo6046.41.sol'

