
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 05:44:47 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6638.48.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/grafo6638.48.lp
Reading time = 0.28 seconds
: 149008 rows, 2931 columns, 449578 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 149008 rows, 2931 columns and 449578 nonzeros
Model fingerprint: 0xdf7ccb5b
Variable types: 53 continuous, 2878 integer (2878 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 37347 rows and 21 columns
Presolve time: 1.29s
Presolved: 111661 rows, 2910 columns, 338009 nonzeros
Variable types: 0 continuous, 2910 integer (2857 binary)
Root relaxation presolved: 2910 rows, 114571 columns, 340919 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   12161    5.1832732e+01   0.000000e+00   1.108788e+06      5s
   28652    4.5723100e+01   0.000000e+00   2.107984e+04     10s
   44044    4.5703627e+01   0.000000e+00   2.001911e+04     15s
   53867    4.6000000e+01   0.000000e+00   0.000000e+00     19s
   53867    4.6000000e+01   0.000000e+00   0.000000e+00     19s

Root relaxation: objective 4.600000e+01, 53867 iterations, 17.23 seconds (11.16 work units)
Total elapsed time = 40.44s (DegenMoves)

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

     0     0   46.00000    0  703          -   46.00000      -     -   50s
H    0     0                       5.0000000   46.00000   820%     -   50s

Explored 1 nodes (72053 simplex iterations) in 50.06 seconds (44.08 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 5 

Time limit reached
Best objective 5.000000000000e+00, best bound 4.600000000000e+01, gap 820.0000%

Wrote result file './lp_solutions/grafo6638.48.sol'

