
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 04:17:04 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5676.39.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/grafo5676.39.lp
Reading time = 0.11 seconds
: 70897 rows, 2114 columns, 214504 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 70897 rows, 2114 columns and 214504 nonzeros
Model fingerprint: 0xc7cad6c2
Variable types: 45 continuous, 2069 integer (2069 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 15909 rows and 25 columns
Presolve time: 0.43s
Presolved: 54988 rows, 2089 columns, 167251 nonzeros
Variable types: 0 continuous, 2089 integer (2044 binary)
Root relaxation presolved: 2079 rows, 57067 columns, 169340 nonzeros


Root relaxation: objective 4.300000e+01, 25781 iterations, 4.18 seconds (3.50 work units)
Total elapsed time = 12.48s (DegenMoves)

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

     0     0   43.00000    0  666          -   43.00000      -     -   13s
H    0     0                      11.0000000   43.00000   291%     -   17s
     0     0   43.00000    0  852   11.00000   43.00000   291%     -   25s
H    0     0                      12.0000000   43.00000   258%     -   26s
     0     0   43.00000    0  804   12.00000   43.00000   258%     -   27s
     0     0   43.00000    0  740   12.00000   43.00000   258%     -   50s

Cutting planes:
  Gomory: 5
  Lift-and-project: 31
  Cover: 6
  Clique: 21
  MIR: 104
  GUB cover: 1
  Zero half: 12
  RLT: 57
  BQP: 3

Explored 1 nodes (62347 simplex iterations) in 50.07 seconds (43.10 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 12 11 

Time limit reached
Best objective 1.200000000000e+01, best bound 4.300000000000e+01, gap 258.3333%

Wrote result file './lp_solutions/grafo5676.39.sol'

