
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 01:19:44 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo132.21.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/grafo132.21.lp
Reading time = 0.11 seconds
: 64862 rows, 708 columns, 195043 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 64862 rows, 708 columns and 195043 nonzeros
Model fingerprint: 0x424e6b07
Variable types: 23 continuous, 685 integer (685 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 31789 rows and 7 columns
Presolve time: 0.43s
Presolved: 33073 rows, 701 columns, 99772 nonzeros
Variable types: 0 continuous, 701 integer (678 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 701 rows, 33774 columns, 100473 nonzeros


Root relaxation: objective 2.700000e+01, 1164 iterations, 0.27 seconds (0.34 work units)

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

     0     0   27.00000    0  309    5.00000   27.00000   440%     -    2s
H    0     0                       7.0000000   27.00000   286%     -    3s
     0     0   27.00000    0  363    7.00000   27.00000   286%     -    5s
     0     0   27.00000    0  351    7.00000   27.00000   286%     -    5s
H    0     0                       8.0000000   27.00000   237%     -   10s
     0     0   26.66667    0  252    8.00000   26.66667   233%     -   10s
H    0     0                       9.0000000   26.66667   196%     -   10s
     0     0   26.66667    0  229    9.00000   26.66667   196%     -   10s
H    0     0                      10.0000000   26.66667   167%     -   17s
     0     0   26.33333    0  254   10.00000   26.33333   163%     -   17s
     0     0   26.33333    0  279   10.00000   26.33333   163%     -   18s
H    0     0                      11.0000000   26.33333   139%     -   28s
     0     0   26.00000    0  214   11.00000   26.00000   136%     -   28s
     0     0   26.00000    0  193   11.00000   26.00000   136%     -   29s
     0     0   26.00000    0  296   11.00000   26.00000   136%     -   33s
     0     0   26.00000    0  325   11.00000   26.00000   136%     -   34s
     0     0   26.00000    0  197   11.00000   26.00000   136%     -   40s
     0     0   26.00000    0  176   11.00000   26.00000   136%     -   41s
     0     0   26.00000    0  243   11.00000   26.00000   136%     -   46s
     0     0   26.00000    0  222   11.00000   26.00000   136%     -   46s
     0     0   26.00000    0  181   11.00000   26.00000   136%     -   50s

Cutting planes:
  Clique: 11
  MIR: 2
  RLT: 6
  BQP: 1

Explored 1 nodes (51819 simplex iterations) in 50.05 seconds (43.47 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 11 10 9 ... 2

Time limit reached
Best objective 1.100000000000e+01, best bound 2.600000000000e+01, gap 136.3636%

Wrote result file './lp_solutions/grafo132.21.sol'

