
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 07:55:46 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6299.39.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/grafo6299.39.lp
Reading time = 0.42 seconds
: 261297 rows, 2631 columns, 786457 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 261297 rows, 2631 columns and 786457 nonzeros
Model fingerprint: 0x1d480667
Variable types: 53 continuous, 2578 integer (2578 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]
Found heuristic solution: objective -0.0000000
Presolve removed 106449 rows and 21 columns
Presolve time: 1.80s
Presolved: 154848 rows, 2610 columns, 467581 nonzeros
Variable types: 0 continuous, 2610 integer (2557 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 2595 rows, 157443 columns, 470191 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   17178    7.8136444e+01   0.000000e+00   3.436584e+06      5s
   35814    5.5886959e+01   0.000000e+00   1.099772e+05     10s
   55457    5.3793764e+01   0.000000e+00   2.324558e+04     15s
   75057    5.3767833e+01   0.000000e+00   5.381483e+03     20s
   94657    5.3761867e+01   0.000000e+00   8.432121e+01     25s
   96516    5.4000000e+01   0.000000e+00   0.000000e+00     26s
   96516    5.4000000e+01   0.000000e+00   0.000000e+00     26s
   96516    5.4000000e+01   0.000000e+00   0.000000e+00     26s

Root relaxation: objective 5.400000e+01, 96516 iterations, 23.75 seconds (18.10 work units)
Total elapsed time = 49.54s (DegenMoves)

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

     0     0   54.00000    0  790   10.00000   54.00000   440%     -   50s

Explored 1 nodes (108130 simplex iterations) in 50.04 seconds (44.76 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 10 -0 

Time limit reached
Best objective 1.000000000000e+01, best bound 5.400000000000e+01, gap 440.0000%

Wrote result file './lp_solutions/grafo6299.39.sol'

