
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 18:57:51 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10617.34.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/grafo10617.34.lp
Reading time = 0.14 seconds
: 85450 rows, 1634 columns, 257670 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 85450 rows, 1634 columns and 257670 nonzeros
Model fingerprint: 0xaaecba66
Variable types: 40 continuous, 1594 integer (1594 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 29867 rows and 22 columns
Presolve time: 0.61s
Presolved: 55583 rows, 1612 columns, 168340 nonzeros
Variable types: 0 continuous, 1612 integer (1572 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 1612 rows, 57195 columns, 169952 nonzeros


Root relaxation: objective 3.800000e+01, 1885 iterations, 0.49 seconds (0.56 work units)

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

     0     0   38.00000    0  391    5.00000   38.00000   660%     -    4s
H    0     0                       8.0000000   38.00000   375%     -    4s
H    0     0                       9.0000000   38.00000   322%     -    6s
H    0     0                      11.0000000   38.00000   245%     -   13s
     0     0   38.00000    0  742   11.00000   38.00000   245%     -   13s
     0     0   38.00000    0  668   11.00000   38.00000   245%     -   15s
H    0     0                      13.0000000   38.00000   192%     -   45s
H    0     0                      14.0000000   38.00000   171%     -   45s
     0     0   38.00000    0  526   14.00000   38.00000   171%     -   45s
     0     0   38.00000    0  503   14.00000   38.00000   171%     -   46s
     0     0          -    0        14.00000   38.00000   171%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 22
  Clique: 13
  MIR: 140
  StrongCG: 1
  GUB cover: 1
  Zero half: 44
  RLT: 76
  Relax-and-lift: 1
  BQP: 5

Explored 1 nodes (38531 simplex iterations) in 50.04 seconds (47.71 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 14 13 11 ... 5

Time limit reached
Best objective 1.400000000000e+01, best bound 3.800000000000e+01, gap 171.4286%

Wrote result file './lp_solutions/grafo10617.34.sol'

