
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 05:25:05 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6207.40.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/grafo6207.40.lp
Reading time = 0.18 seconds
: 115385 rows, 2299 columns, 348173 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 115385 rows, 2299 columns and 348173 nonzeros
Model fingerprint: 0xf6520875
Variable types: 48 continuous, 2251 integer (2251 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 34151 rows and 25 columns
Presolve time: 0.86s
Presolved: 81234 rows, 2274 columns, 246225 nonzeros
Variable types: 0 continuous, 2274 integer (2226 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 2268 rows, 83502 columns, 248499 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   21883    4.5947588e+01   0.000000e+00   7.313141e+04      5s
   44718    4.5929524e+01   0.000000e+00   1.510975e+04     10s
   65231    4.6000000e+01   0.000000e+00   0.000000e+00     14s
   65231    4.6000000e+01   0.000000e+00   0.000000e+00     14s
   65231    4.6000000e+01   0.000000e+00   0.000000e+00     14s

Root relaxation: objective 4.600000e+01, 65231 iterations, 13.44 seconds (11.61 work units)
Total elapsed time = 28.17s (DegenMoves)
Total elapsed time = 43.88s (DegenMoves)
Total elapsed time = 46.70s (DegenMoves)

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

     0     0   46.00000    0  762    5.00000   46.00000   820%     -   50s

Explored 1 nodes (96324 simplex iterations) in 50.03 seconds (61.73 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/grafo6207.40.sol'

