
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 16:13:05 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2483.25.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/grafo2483.25.lp
Reading time = 0.14 seconds
: 86016 rows, 1279 columns, 259188 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 86016 rows, 1279 columns and 259188 nonzeros
Model fingerprint: 0xc81f2509
Variable types: 35 continuous, 1244 integer (1244 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 39847 rows and 5 columns
Presolve time: 0.50s
Presolved: 46169 rows, 1274 columns, 140085 nonzeros
Variable types: 0 continuous, 1274 integer (1239 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 1263 rows, 47432 columns, 141359 nonzeros


Root relaxation: objective 4.000000e+01, 1530 iterations, 0.30 seconds (0.32 work units)

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

     0     0   40.00000    0  406    8.00000   40.00000   400%     -    4s
     0     0   40.00000    0  618    8.00000   40.00000   400%     -   10s
     0     0   40.00000    0  589    8.00000   40.00000   400%     -   11s
H    0     0                       9.0000000   40.00000   344%     -   21s
     0     0   40.00000    0  366    9.00000   40.00000   344%     -   21s
     0     0   40.00000    0  349    9.00000   40.00000   344%     -   22s
H    0     0                      11.0000000   40.00000   264%     -   31s
     0     0   40.00000    0  364   11.00000   40.00000   264%     -   31s
H    0     0                      12.0000000   40.00000   233%     -   31s
     0     0   40.00000    0  379   12.00000   40.00000   233%     -   31s
     0     0   40.00000    0  457   12.00000   40.00000   233%     -   43s
     0     0   40.00000    0  452   12.00000   40.00000   233%     -   44s
     0     0   40.00000    0  609   12.00000   40.00000   233%     -   50s

Cutting planes:
  Cover: 32
  Clique: 29
  MIR: 115
  Zero half: 39
  RLT: 71
  Relax-and-lift: 1
  BQP: 3

Explored 1 nodes (48747 simplex iterations) in 50.03 seconds (49.68 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 12 11 9 8 

Time limit reached
Best objective 1.200000000000e+01, best bound 4.000000000000e+01, gap 233.3333%

Wrote result file './lp_solutions/grafo2483.25.sol'

