
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 11:16:08 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5806.48.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/grafo5806.48.lp
Reading time = 0.37 seconds
: 225937 rows, 3577 columns, 681273 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 225937 rows, 3577 columns and 681273 nonzeros
Model fingerprint: 0xe7796160
Variable types: 62 continuous, 3515 integer (3515 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, 6e+01]
Found heuristic solution: objective 1.0000000
Presolve removed 64579 rows and 26 columns
Presolve time: 1.83s
Presolved: 161358 rows, 3551 columns, 488175 nonzeros
Variable types: 0 continuous, 3551 integer (3489 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 3528 rows, 164886 columns, 491726 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   12799    9.4517926e+01   0.000000e+00   1.064671e+06      5s
   27574    7.7986234e+01   0.000000e+00   6.419996e+06     10s
   40368    6.7955712e+01   0.000000e+00   1.715000e+05     15s
   53569    6.7942422e+01   0.000000e+00   2.638345e+05     20s
   66181    6.7932991e+01   0.000000e+00   2.772728e+04     25s
   78267    6.7926949e+01   0.000000e+00   1.512377e+05     30s
   89716    6.7923043e+01   0.000000e+00   4.846391e+03     35s
  101605    6.7920257e+01   0.000000e+00   7.823686e+03     40s
  113590    6.7918531e+01   0.000000e+00   3.815388e+03     45s

Root relaxation: time limit, 124873 iterations, 47.91 seconds (38.04 work units)

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

     0     0          -    0         9.00000  346.00000  3744%     -   50s

Explored 1 nodes (124873 simplex iterations) in 50.03 seconds (40.04 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 9 1 

Time limit reached
Best objective 9.000000000000e+00, best bound 3.460000000000e+02, gap 3744.4444%

Wrote result file './lp_solutions/grafo5806.48.sol'

