
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 05:02:30 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2683.13.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/grafo2683.13.lp
Reading time = 0.01 seconds
: 2403 rows, 237 columns, 7294 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 2403 rows, 237 columns and 7294 nonzeros
Model fingerprint: 0x9690926e
Variable types: 14 continuous, 223 integer (223 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 2.0000000
Presolve removed 694 rows and 6 columns
Presolve time: 0.03s
Presolved: 1709 rows, 231 columns, 5281 nonzeros
Variable types: 0 continuous, 231 integer (217 binary)
Found heuristic solution: objective 5.0000000

Root relaxation: objective 1.100000e+01, 146 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   11.00000    0   82    5.00000   11.00000   120%     -    0s
     0     0   11.00000    0   79    5.00000   11.00000   120%     -    0s
     0     0   11.00000    0   79    5.00000   11.00000   120%     -    0s
     0     0   11.00000    0   68    5.00000   11.00000   120%     -    0s
     0     0   11.00000    0   76    5.00000   11.00000   120%     -    0s
     0     0   11.00000    0   46    5.00000   11.00000   120%     -    0s
     0     0   11.00000    0   61    5.00000   11.00000   120%     -    0s
     0     0   10.66667    0   69    5.00000   10.66667   113%     -    0s
     0     0   10.50000    0   60    5.00000   10.50000   110%     -    0s
     0     0   10.00000    0   68    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   66    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   57    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   54    5.00000   10.00000   100%     -    0s
     0     0    9.83333    0   63    5.00000    9.83333  96.7%     -    0s
     0     0    9.66667    0   63    5.00000    9.66667  93.3%     -    0s
     0     0    9.66667    0   79    5.00000    9.66667  93.3%     -    0s
     0     0    9.66667    0   71    5.00000    9.66667  93.3%     -    0s
H    0     0                       7.0000000    9.66667  38.1%     -    1s
     0     2    9.66667    0   58    7.00000    9.66667  38.1%     -    1s

Cutting planes:
  Gomory: 1
  Cover: 12
  Clique: 5
  MIR: 75
  Inf proof: 35
  Zero half: 10
  RLT: 33
  BQP: 3

Explored 1809 nodes (58671 simplex iterations) in 3.00 seconds (1.53 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 7 5 2 

Optimal solution found (tolerance 1.00e-04)
Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo2683.13.sol'

