
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 07:57:52 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5187.43.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/grafo5187.43.lp
Reading time = 0.36 seconds
: 233787 rows, 2912 columns, 704106 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 233787 rows, 2912 columns and 704106 nonzeros
Model fingerprint: 0xef6e1833
Variable types: 55 continuous, 2857 integer (2857 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 86412 rows and 10 columns
Presolve time: 1.55s
Presolved: 147375 rows, 2902 columns, 445242 nonzeros
Variable types: 0 continuous, 2902 integer (2847 binary)
Found heuristic solution: objective 15.0000000
Root relaxation presolved: 2894 rows, 150269 columns, 448144 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   18909    1.0178320e+02   0.000000e+00   6.589230e+06      5s
   37587    6.4870725e+01   0.000000e+00   1.365827e+05     10s
   55859    6.4770271e+01   0.000000e+00   2.103215e+05     15s
   74100    6.4727633e+01   0.000000e+00   2.796074e+04     20s
   93599    6.4710947e+01   0.000000e+00   1.395784e+03     25s
  111840    6.4706184e+01   0.000000e+00   2.835881e+02     30s
  119450    6.5000000e+01   0.000000e+00   0.000000e+00     32s
  119450    6.5000000e+01   0.000000e+00   0.000000e+00     32s
  119450    6.5000000e+01   0.000000e+00   0.000000e+00     32s

Root relaxation: objective 6.500000e+01, 119450 iterations, 30.51 seconds (23.27 work units)

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

     0     0   65.00000    0 1675   15.00000   65.00000   333%     -   50s

Explored 1 nodes (128164 simplex iterations) in 50.06 seconds (42.58 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 15 1 

Time limit reached
Best objective 1.500000000000e+01, best bound 6.500000000000e+01, gap 333.3333%

Wrote result file './lp_solutions/grafo5187.43.sol'

