
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 07:33:02 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6433.48.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/grafo6433.48.lp
Reading time = 0.22 seconds
: 141863 rows, 3312 columns, 428703 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 141863 rows, 3312 columns and 428703 nonzeros
Model fingerprint: 0xa916948c
Variable types: 60 continuous, 3252 integer (3252 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 22733 rows and 1 columns
Presolve time: 0.81s
Presolved: 119130 rows, 3311 columns, 360982 nonzeros
Variable types: 0 continuous, 3311 integer (3251 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 3266 rows, 122396 columns, 364293 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   18350    6.4001646e+01   0.000000e+00   2.023277e+05      5s
   33971    6.1973062e+01   0.000000e+00   2.359675e+05     10s
   49964    6.1956136e+01   0.000000e+00   1.261816e+05     15s
   66344    6.1944947e+01   0.000000e+00   1.527060e+04     20s
   82256    6.1938811e+01   0.000000e+00   1.336331e+04     25s
   98168    6.1934936e+01   0.000000e+00   4.049591e+03     30s
  114080    6.1933880e+01   0.000000e+00   1.234390e+00     35s
  114512    6.2000000e+01   0.000000e+00   0.000000e+00     35s
  114512    6.2000000e+01   0.000000e+00   0.000000e+00     35s
  114512    6.2000000e+01   0.000000e+00   0.000000e+00     35s

Root relaxation: objective 6.200000e+01, 114512 iterations, 34.35 seconds (27.33 work units)

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

     0     0   62.00000    0 1897    6.00000   62.00000   933%     -   50s

Explored 1 nodes (121352 simplex iterations) in 50.04 seconds (42.87 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 6 1 

Time limit reached
Best objective 6.000000000000e+00, best bound 6.200000000000e+01, gap 933.3333%

Wrote result file './lp_solutions/grafo6433.48.sol'

