
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 04:27:19 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2293.13.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/grafo2293.13.lp
Reading time = 0.01 seconds
: 2940 rows, 181 columns, 8836 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 2940 rows, 181 columns and 8836 nonzeros
Model fingerprint: 0xffa1eaa2
Variable types: 10 continuous, 171 integer (171 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 1328 rows and 6 columns
Presolve time: 0.03s
Presolved: 1612 rows, 175 columns, 4894 nonzeros
Variable types: 0 continuous, 175 integer (165 binary)
Found heuristic solution: objective 2.0000000

Root relaxation: objective 1.000000e+01, 177 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   10.00000    0   56    2.00000   10.00000   400%     -    0s
H    0     0                       3.0000000   10.00000   233%     -    0s
H    0     0                       4.0000000   10.00000   150%     -    0s
     0     0   10.00000    0   80    4.00000   10.00000   150%     -    0s
     0     0   10.00000    0   80    4.00000   10.00000   150%     -    0s
     0     0   10.00000    0   70    4.00000   10.00000   150%     -    0s
     0     0   10.00000    0   76    4.00000   10.00000   150%     -    0s
     0     0   10.00000    0   76    4.00000   10.00000   150%     -    0s
     0     0   10.00000    0   75    4.00000   10.00000   150%     -    0s
     0     0    9.66667    0   60    4.00000    9.66667   142%     -    0s
     0     0    9.66667    0   53    4.00000    9.66667   142%     -    0s
     0     0    9.66667    0   76    4.00000    9.66667   142%     -    0s
     0     0    9.66667    0   52    4.00000    9.66667   142%     -    0s
     0     2    9.66667    0   52    4.00000    9.66667   142%     -    0s
* 1274   544              29       5.0000000    9.00000  80.0%  30.2    2s

Cutting planes:
  Gomory: 1
  Cover: 11
  Clique: 11
  MIR: 90
  StrongCG: 2
  Inf proof: 59
  Zero half: 14
  RLT: 24

Explored 4334 nodes (134267 simplex iterations) in 4.67 seconds (2.60 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 5 4 3 ... -0

Optimal solution found (tolerance 1.00e-04)
Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo2293.13.sol'

