
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 18:28:33 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1477.32.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/grafo1477.32.lp
Reading time = 0.07 seconds
: 43448 rows, 1304 columns, 131260 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 43448 rows, 1304 columns and 131260 nonzeros
Model fingerprint: 0xbb86da52
Variable types: 34 continuous, 1270 integer (1270 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 2.0000000
Presolve removed 12377 rows and 19 columns
Presolve time: 0.29s
Presolved: 31071 rows, 1285 columns, 94378 nonzeros
Variable types: 0 continuous, 1285 integer (1251 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 20127 rows, 12229 columns, 72490 nonzeros


Root relaxation: objective 3.400000e+01, 2151 iterations, 0.75 seconds (0.78 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    9.00000   34.00000   278%     -    2s
     0     0   34.00000    0  519    9.00000   34.00000   278%     -    4s
     0     0   34.00000    0  516    9.00000   34.00000   278%     -    5s
     0     0   34.00000    0  322    9.00000   34.00000   278%     -   13s
     0     0   34.00000    0  312    9.00000   34.00000   278%     -   14s
H    0     0                      11.0000000   34.00000   209%     -   18s
     0     0   34.00000    0  313   11.00000   34.00000   209%     -   18s
     0     0   34.00000    0  348   11.00000   34.00000   209%     -   19s
     0     0   34.00000    0  396   11.00000   34.00000   209%     -   21s
     0     0   34.00000    0  383   11.00000   34.00000   209%     -   22s
     0     0   33.66667    0  312   11.00000   33.66667   206%     -   32s
     0     0   33.66667    0  325   11.00000   33.66667   206%     -   32s
     0     0   33.66667    0  224   11.00000   33.66667   206%     -   35s
     0     0   33.66667    0  362   11.00000   33.66667   206%     -   35s
H    0     0                      12.0000000   33.66667   181%     -   48s
     0     0   33.66667    0  314   12.00000   33.66667   181%     -   48s
     0     0   33.66667    0  243   12.00000   33.66667   181%     -   49s

Cutting planes:
  Clique: 2
  MIR: 2
  RLT: 6

Explored 1 nodes (78738 simplex iterations) in 50.01 seconds (46.08 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 12 11 9 2 

Time limit reached
Best objective 1.200000000000e+01, best bound 3.300000000000e+01, gap 175.0000%

Wrote result file './lp_solutions/grafo1477.32.sol'

