
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 14:48:24 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2368.14.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/grafo2368.14.lp
Reading time = 0.01 seconds
: 4027 rows, 266 columns, 12171 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 4027 rows, 266 columns and 12171 nonzeros
Model fingerprint: 0x9f02c297
Variable types: 14 continuous, 252 integer (252 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 1.0000000
Presolve removed 1544 rows and 9 columns
Presolve time: 0.02s
Presolved: 2483 rows, 257 columns, 7690 nonzeros
Variable types: 0 continuous, 257 integer (243 binary)
Found heuristic solution: objective 4.0000000

Root relaxation: objective 1.000000e+01, 184 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   57    4.00000   10.00000   150%     -    0s
H    0     0                       5.0000000   10.00000   100%     -    0s
     0     0   10.00000    0  105    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0  105    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0  108    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0  100    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   90    5.00000   10.00000   100%     -    0s
H    0     0                       6.0000000   10.00000  66.7%     -    0s
     0     0   10.00000    0   90    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   86    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   83    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   61    6.00000   10.00000  66.7%     -    0s
     0     0   10.00000    0   61    6.00000   10.00000  66.7%     -    0s
     0     2   10.00000    0   46    6.00000   10.00000  66.7%     -    0s
H  149   154                       7.0000000   10.00000  42.9%  65.6    1s
  1400   903    8.00000   21  125    7.00000   10.00000  42.9%  75.2    5s
  1870   991    8.00000   34  147    7.00000   10.00000  42.9%  81.7   10s
  2462  1028 infeasible   44         7.00000   10.00000  42.9%  85.1   16s
  4415   656     cutoff   31         7.00000    8.66667  23.8%  99.5   20s
  7453    90    8.00000   40  152    7.00000    8.00000  14.3%   120   25s

Cutting planes:
  Gomory: 2
  MIR: 1
  Flow cover: 5
  Zero half: 1
  RLT: 2

Explored 8293 nodes (1027871 simplex iterations) in 26.93 seconds (26.02 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 7 7 7 ... 1

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/grafo2368.14.sol'

