
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 25 04:36:23 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7247.39.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/grafo7247.39.lp
Reading time = 0.10 seconds
: 66163 rows, 1849 columns, 199896 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 66163 rows, 1849 columns and 199896 nonzeros
Model fingerprint: 0xb2b4a6f7
Variable types: 41 continuous, 1808 integer (1808 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 15173 rows and 25 columns
Presolve time: 0.46s
Presolved: 50990 rows, 1824 columns, 154732 nonzeros
Variable types: 0 continuous, 1824 integer (1783 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 1824 rows, 52814 columns, 156556 nonzeros


Root relaxation: objective 3.700000e+01, 1402 iterations, 0.28 seconds (0.27 work units)

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

     0     0   37.00000    0  316    7.00000   37.00000   429%     -    3s
H    0     0                       8.0000000   37.00000   362%     -    3s
H    0     0                      11.0000000   37.00000   236%     -    3s
     0     0   37.00000    0  488   11.00000   37.00000   236%     -    6s
     0     0   37.00000    0  461   11.00000   37.00000   236%     -    6s
H    0     0                      12.0000000   37.00000   208%     -   15s
     0     0   37.00000    0  369   12.00000   37.00000   208%     -   15s
     0     0   37.00000    0  344   12.00000   37.00000   208%     -   16s
H    0     0                      13.0000000   37.00000   185%     -   26s
     0     0   37.00000    0  467   13.00000   37.00000   185%     -   26s
     0     0   37.00000    0  423   13.00000   37.00000   185%     -   27s
     0     0   37.00000    0  469   13.00000   37.00000   185%     -   37s
     0     0   37.00000    0  456   13.00000   37.00000   185%     -   38s
     0     0   37.00000    0  552   13.00000   37.00000   185%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 16
  Clique: 15
  MIR: 153
  StrongCG: 2
  Zero half: 35
  RLT: 66

Explored 1 nodes (58877 simplex iterations) in 50.06 seconds (48.36 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 13 12 11 ... 1

Time limit reached
Best objective 1.300000000000e+01, best bound 3.700000000000e+01, gap 184.6154%

Wrote result file './lp_solutions/grafo7247.39.sol'

