
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 20:45:33 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11323.37.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/grafo11323.37.lp
Reading time = 0.11 seconds
: 65434 rows, 1727 columns, 197613 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 65434 rows, 1727 columns and 197613 nonzeros
Model fingerprint: 0x0eb2b5b8
Variable types: 40 continuous, 1687 integer (1687 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 1.0000000
Presolve removed 17125 rows and 25 columns
Presolve time: 0.47s
Presolved: 48309 rows, 1702 columns, 146575 nonzeros
Variable types: 0 continuous, 1702 integer (1662 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 1702 rows, 50011 columns, 148277 nonzeros


Root relaxation: objective 3.500000e+01, 1322 iterations, 0.27 seconds (0.27 work units)

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

     0     0   35.00000    0  345    6.00000   35.00000   483%     -    4s
H    0     0                       7.0000000   35.00000   400%     -    4s
H    0     0                       9.0000000   35.00000   289%     -    5s
H    0     0                      10.0000000   35.00000   250%     -    9s
     0     0   35.00000    0  611   10.00000   35.00000   250%     -    9s
H    0     0                      12.0000000   35.00000   192%     -    9s
     0     0   35.00000    0  625   12.00000   35.00000   192%     -    9s
H    0     0                      13.0000000   35.00000   169%     -   13s
H    0     0                      14.0000000   35.00000   150%     -   32s
     0     0   35.00000    0  429   14.00000   35.00000   150%     -   32s
     0     0   35.00000    0  418   14.00000   35.00000   150%     -   33s
     0     0   35.00000    0  448   14.00000   35.00000   150%     -   42s
     0     0   35.00000    0  433   14.00000   35.00000   150%     -   43s
     0     0   35.00000    0  538   14.00000   35.00000   150%     -   50s

Cutting planes:
  Cover: 30
  Clique: 21
  MIR: 130
  StrongCG: 2
  GUB cover: 5
  Zero half: 44
  RLT: 53

Explored 1 nodes (51928 simplex iterations) in 50.04 seconds (44.55 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 14 13 12 ... 1

Time limit reached
Best objective 1.400000000000e+01, best bound 3.500000000000e+01, gap 150.0000%

Wrote result file './lp_solutions/grafo11323.37.sol'

