
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 14:18:14 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2154.14.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/grafo2154.14.lp
Reading time = 0.01 seconds
: 2467 rows, 215 columns, 7461 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 2467 rows, 215 columns and 7461 nonzeros
Model fingerprint: 0x176717dd
Variable types: 11 continuous, 204 integer (204 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 821 rows and 6 columns
Presolve time: 0.02s
Presolved: 1646 rows, 209 columns, 5119 nonzeros
Variable types: 0 continuous, 209 integer (198 binary)

Root relaxation: objective 8.000000e+00, 173 iterations, 0.01 seconds (0.01 work units)

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

     0     0    8.00000    0   42          -    8.00000      -     -    0s
H    0     0                       3.0000000    8.00000   167%     -    0s
H    0     0                       4.0000000    8.00000   100%     -    0s
     0     0    8.00000    0   61    4.00000    8.00000   100%     -    0s
H    0     0                       5.0000000    8.00000  60.0%     -    0s
     0     0    8.00000    0   23    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   33    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   37    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   55    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   19    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   38    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   41    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   42    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   26    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   41    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   41    5.00000    8.00000  60.0%     -    0s
     0     0    8.00000    0   41    5.00000    8.00000  60.0%     -    0s
     0     2    8.00000    0   41    5.00000    8.00000  60.0%     -    0s
  3950   923 infeasible   34         5.00000    7.80000  56.0%  43.0    5s
* 4037   677              33       6.0000000    7.80000  30.0%  43.3    5s

Cutting planes:
  Inf proof: 1

Explored 8348 nodes (369307 simplex iterations) in 8.36 seconds (6.21 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 6 5 5 ... 3

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo2154.14.sol'

