
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 18:09:18 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2444.29.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/grafo2444.29.lp
Reading time = 0.08 seconds
: 41431 rows, 1265 columns, 125307 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 41431 rows, 1265 columns and 125307 nonzeros
Model fingerprint: 0x1aede583
Variable types: 35 continuous, 1230 integer (1230 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 13297 rows and 19 columns
Presolve time: 0.33s
Presolved: 28134 rows, 1246 columns, 85756 nonzeros
Variable types: 0 continuous, 1246 integer (1211 binary)
Root relaxation presolved: 17935 rows, 11445 columns, 65358 nonzeros


Root relaxation: objective 3.400000e+01, 1194 iterations, 0.51 seconds (0.32 work units)

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

     0     0   34.00000    0  321          -   34.00000      -     -    2s
H    0     0                       7.0000000   34.00000   386%     -    2s
H    0     0                      10.0000000   34.00000   240%     -    2s
     0     0   34.00000    0  423   10.00000   34.00000   240%     -    5s
     0     0   34.00000    0  419   10.00000   34.00000   240%     -    5s
     0     0   34.00000    0  316   10.00000   34.00000   240%     -   12s
     0     0   34.00000    0  370   10.00000   34.00000   240%     -   13s
H    0     0                      11.0000000   34.00000   209%     -   20s
H    0     0                      12.0000000   34.00000   183%     -   20s
     0     0   34.00000    0  348   12.00000   34.00000   183%     -   20s
     0     0   34.00000    0  311   12.00000   34.00000   183%     -   21s
     0     0   34.00000    0  390   12.00000   34.00000   183%     -   28s
     0     0   34.00000    0  349   12.00000   34.00000   183%     -   29s
H    0     0                      13.0000000   34.00000   162%     -   38s
     0     0   34.00000    0  300   13.00000   34.00000   162%     -   38s
     0     0   34.00000    0  364   13.00000   34.00000   162%     -   39s
H    0     0                      14.0000000   34.00000   143%     -   50s
     0     0   34.00000    0  424   14.00000   34.00000   143%     -   50s

Cutting planes:
  Cover: 2
  Clique: 7
  MIR: 21
  StrongCG: 1
  Zero half: 12
  RLT: 19

Explored 1 nodes (59362 simplex iterations) in 50.06 seconds (31.61 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 14 13 12 ... 7

Time limit reached
Best objective 1.400000000000e+01, best bound 3.400000000000e+01, gap 142.8571%

Wrote result file './lp_solutions/grafo2444.29.sol'

