
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 04:19:53 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2197.13.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/grafo2197.13.lp
Reading time = 0.01 seconds
: 3371 rows, 171 columns, 10113 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 3371 rows, 171 columns and 10113 nonzeros
Model fingerprint: 0x3dd9945b
Variable types: 9 continuous, 162 integer (162 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 1664 rows and 6 columns
Presolve time: 0.02s
Presolved: 1707 rows, 165 columns, 5151 nonzeros
Variable types: 0 continuous, 165 integer (156 binary)
Found heuristic solution: objective 1.0000000

Root relaxation: objective 1.000000e+01, 100 iterations, 0.01 seconds (0.00 work units)

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

     0     0   10.00000    0   67    1.00000   10.00000   900%     -    0s
H    0     0                       3.0000000   10.00000   233%     -    0s
     0     0   10.00000    0   68    3.00000   10.00000   233%     -    0s
     0     0   10.00000    0   69    3.00000   10.00000   233%     -    0s
     0     0   10.00000    0   63    3.00000   10.00000   233%     -    0s
     0     0    9.50000    0   62    3.00000    9.50000   217%     -    0s
     0     0    9.50000    0   67    3.00000    9.50000   217%     -    0s
     0     0    9.00000    0   62    3.00000    9.00000   200%     -    0s
     0     0    9.00000    0   62    3.00000    9.00000   200%     -    0s
     0     2    9.00000    0   48    3.00000    9.00000   200%     -    0s
H  323   238                       4.0000000    9.00000   125%  38.3    1s

Cutting planes:
  Gomory: 1
  Cover: 28
  Clique: 14
  MIR: 59
  StrongCG: 2
  Inf proof: 53
  Zero half: 8
  RLT: 25

Explored 4143 nodes (162906 simplex iterations) in 4.27 seconds (2.71 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 4 3 1 -0 

Optimal solution found (tolerance 1.00e-04)
Best objective 4.000000000000e+00, best bound 4.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo2197.13.sol'

