
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 10:39:58 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2472.47.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/grafo2472.47.lp
Reading time = 0.26 seconds
: 138713 rows, 2989 columns, 418743 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 138713 rows, 2989 columns and 418743 nonzeros
Model fingerprint: 0x5bf961a0
Variable types: 54 continuous, 2935 integer (2935 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 34209 rows and 2 columns
Presolve time: 1.09s
Presolved: 104504 rows, 2987 columns, 316589 nonzeros
Variable types: 0 continuous, 2987 integer (2933 binary)
Root relaxation presolved: 2973 rows, 107477 columns, 319576 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   13256    7.4984477e+01   0.000000e+00   1.523259e+05      5s
   27196    6.9945399e+01   0.000000e+00   2.604846e+04     10s
   38132    6.9934470e+01   0.000000e+00   1.359242e+05     15s
   48691    6.9927395e+01   0.000000e+00   1.915419e+04     20s
   57594    6.9923422e+01   0.000000e+00   1.299759e+04     25s
   71253    6.9918912e+01   0.000000e+00   3.393338e+03     30s
   85993    6.9916329e+01   0.000000e+00   1.754015e+03     35s
   98843    6.9915305e+01   0.000000e+00   5.257179e+02     40s
  108707    6.9915096e+01   0.000000e+00   9.958388e+00     45s
  110132    7.0000000e+01   0.000000e+00   0.000000e+00     46s
  110132    7.0000000e+01   0.000000e+00   0.000000e+00     46s
  110132    7.0000000e+01   0.000000e+00   0.000000e+00     46s

Root relaxation: objective 7.000000e+01, 110132 iterations, 44.55 seconds (25.48 work units)

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

     0     0   70.00000    0 2140          -   70.00000      -     -   50s
H    0     0                       3.0000000   70.00000  2233%     -   50s

Explored 1 nodes (111060 simplex iterations) in 50.06 seconds (29.75 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 3 

Time limit reached
Best objective 3.000000000000e+00, best bound 7.000000000000e+01, gap 2233.3333%

Wrote result file './lp_solutions/grafo2472.47.sol'

