
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 19 00:47:40 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2754.16.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/grafo2754.16.lp
Reading time = 0.22 seconds
: 137398 rows, 634 columns, 412652 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 137398 rows, 634 columns and 412652 nonzeros
Model fingerprint: 0xabceea64
Variable types: 21 continuous, 613 integer (613 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]
Presolve removed 72067 rows and 3 columns
Presolve time: 0.96s
Presolved: 65331 rows, 631 columns, 196597 nonzeros
Variable types: 0 continuous, 631 integer (610 binary)
Found heuristic solution: objective 3.0000000
Root relaxation presolved: 630 rows, 65961 columns, 197228 nonzeros


Root relaxation: objective 2.600000e+01, 911 iterations, 0.47 seconds (0.60 work units)

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

     0     0   26.00000    0  306    3.00000   26.00000   767%     -    3s
H    0     0                       6.0000000   26.00000   333%     -    3s
     0     0   26.00000    0  334    6.00000   26.00000   333%     -    7s
H    0     0                       7.0000000   26.00000   271%     -    7s
     0     0   26.00000    0  332    7.00000   26.00000   271%     -    8s
     0     0   26.00000    0  180    7.00000   26.00000   271%     -   20s
     0     0   26.00000    0  181    7.00000   26.00000   271%     -   21s
H    0     0                       8.0000000   26.00000   225%     -   26s
     0     0   26.00000    0  253    8.00000   26.00000   225%     -   26s
     0     0   26.00000    0  217    8.00000   26.00000   225%     -   27s
     0     0   26.00000    0  205    8.00000   26.00000   225%     -   32s
     0     0   26.00000    0  206    8.00000   26.00000   225%     -   33s
     0     0   26.00000    0  277    8.00000   26.00000   225%     -   38s
     0     0   26.00000    0  250    8.00000   26.00000   225%     -   39s
     0     0   25.81250    0  242    8.00000   25.81250   223%     -   43s
     0     0   25.81250    0  187    8.00000   25.81250   223%     -   44s
     0     0   25.81250    0  296    8.00000   25.81250   223%     -   50s

Cutting planes:
  Clique: 35
  MIR: 31
  Zero half: 1
  RLT: 16
  BQP: 1

Explored 1 nodes (30476 simplex iterations) in 50.13 seconds (51.47 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 8 7 6 3 

Time limit reached
Best objective 8.000000000000e+00, best bound 2.500000000000e+01, gap 212.5000%

Wrote result file './lp_solutions/grafo2754.16.sol'

