
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 20:11:11 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11468.36.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/grafo11468.36.lp
Reading time = 0.12 seconds
: 70886 rows, 1839 columns, 214226 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 70886 rows, 1839 columns and 214226 nonzeros
Model fingerprint: 0xa28cb8b1
Variable types: 43 continuous, 1796 integer (1796 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 18119 rows and 28 columns
Presolve time: 0.54s
Presolved: 52767 rows, 1811 columns, 160282 nonzeros
Variable types: 0 continuous, 1811 integer (1768 binary)
Found heuristic solution: objective 3.0000000
Root relaxation presolved: 1811 rows, 54578 columns, 162093 nonzeros


Root relaxation: objective 3.600000e+01, 1159 iterations, 0.26 seconds (0.22 work units)

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

     0     0   36.00000    0  332    3.00000   36.00000  1100%     -    2s
H    0     0                       6.0000000   36.00000   500%     -    2s
H    0     0                       8.0000000   36.00000   350%     -    2s
H    0     0                      10.0000000   36.00000   260%     -    8s
     0     0   36.00000    0  639   10.00000   36.00000   260%     -    9s
     0     0   36.00000    0  611   10.00000   36.00000   260%     -   10s
H    0     0                      11.0000000   36.00000   227%     -   27s
H    0     0                      12.0000000   36.00000   200%     -   27s
     0     0   36.00000    0  295   12.00000   36.00000   200%     -   27s
     0     0   36.00000    0  238   12.00000   36.00000   200%     -   27s
H    0     0                      13.0000000   36.00000   177%     -   45s
     0     0   36.00000    0  383   13.00000   36.00000   177%     -   45s
     0     0   36.00000    0  314   13.00000   36.00000   177%     -   46s
H    0     0                      14.0000000   36.00000   157%     -   47s
     0     0          -    0        14.00000   36.00000   157%     -   50s

Cutting planes:
  Cover: 28
  Clique: 9
  MIR: 121
  StrongCG: 4
  GUB cover: 2
  Zero half: 25
  RLT: 49
  Relax-and-lift: 1

Explored 1 nodes (43326 simplex iterations) in 50.11 seconds (37.46 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 14 13 12 ... 3

Time limit reached
Best objective 1.400000000000e+01, best bound 3.600000000000e+01, gap 157.1429%

Wrote result file './lp_solutions/grafo11468.36.sol'

