
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 02:47:20 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3707.43.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/grafo3707.43.lp
Reading time = 0.42 seconds
: 215588 rows, 2464 columns, 648854 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 215588 rows, 2464 columns and 648854 nonzeros
Model fingerprint: 0xe5b1c1b2
Variable types: 48 continuous, 2416 integer (2416 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 90333 rows and 30 columns
Presolve time: 2.11s
Presolved: 125255 rows, 2434 columns, 378297 nonzeros
Variable types: 0 continuous, 2434 integer (2386 binary)
Root relaxation presolved: 2434 rows, 127689 columns, 380731 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   11807    6.2164517e+01   0.000000e+00   1.642171e+05      5s
   29717    4.5842136e+01   0.000000e+00   2.983810e+04     10s
   47635    4.5807730e+01   0.000000e+00   3.446307e+03     15s
   63257    4.6000000e+01   0.000000e+00   0.000000e+00     20s
   63257    4.6000000e+01   0.000000e+00   0.000000e+00     20s

Root relaxation: objective 4.600000e+01, 63257 iterations, 17.37 seconds (10.49 work units)
Total elapsed time = 20.05s (DegenMoves)
Total elapsed time = 38.01s (DegenMoves)
Total elapsed time = 42.14s (DegenMoves)
Total elapsed time = 47.17s (DegenMoves)

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

     0     0   46.00000    0  580          -   46.00000      -     -   50s
H    0     0                       5.0000000   46.00000   820%     -   50s

Explored 1 nodes (78269 simplex iterations) in 50.08 seconds (46.39 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/grafo3707.43.sol'

