
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 09:05:03 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6913.44.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/grafo6913.44.lp
Reading time = 0.17 seconds
: 107476 rows, 2746 columns, 324937 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 107476 rows, 2746 columns and 324937 nonzeros
Model fingerprint: 0x04aab6c5
Variable types: 53 continuous, 2693 integer (2693 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 20514 rows and 2 columns
Presolve time: 0.61s
Presolved: 86962 rows, 2744 columns, 263901 nonzeros
Variable types: 0 continuous, 2744 integer (2691 binary)
Root relaxation presolved: 2723 rows, 89685 columns, 266645 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   17507    5.6936967e+01   0.000000e+00   6.077746e+04      5s
   36708    5.6913046e+01   0.000000e+00   1.207017e+04     10s
   55160    5.6902974e+01   0.000000e+00   3.762818e+03     15s
   73442    5.6898321e+01   0.000000e+00   2.394096e+03     20s
   91581    5.6896657e+01   0.000000e+00   1.218973e+02     25s
   95758    5.7000000e+01   0.000000e+00   0.000000e+00     26s
   95758    5.7000000e+01   0.000000e+00   0.000000e+00     26s
   95758    5.7000000e+01   0.000000e+00   0.000000e+00     26s

Root relaxation: objective 5.700000e+01, 95758 iterations, 25.39 seconds (22.54 work units)
Total elapsed time = 43.97s (DegenMoves)
Total elapsed time = 49.65s (DegenMoves)

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

     0     0   57.00000    0  751          -   57.00000      -     -   50s
H    0     0                       6.0000000   57.00000   850%     -   50s

Explored 1 nodes (114779 simplex iterations) in 50.05 seconds (50.13 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 6 

Time limit reached
Best objective 6.000000000000e+00, best bound 5.700000000000e+01, gap 850.0000%

Wrote result file './lp_solutions/grafo6913.44.sol'

