
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 07:18:46 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6787.47.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/grafo6787.47.lp
Reading time = 0.11 seconds
: 71230 rows, 2380 columns, 215432 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 71230 rows, 2380 columns and 215432 nonzeros
Model fingerprint: 0x9d843561
Variable types: 46 continuous, 2334 integer (2334 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 5168 rows and 1 columns
Presolve time: 0.39s
Presolved: 66062 rows, 2379 columns, 200288 nonzeros
Variable types: 0 continuous, 2379 integer (2333 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 2337 rows, 68399 columns, 202667 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   27435    3.5977939e+01   0.000000e+00   5.287299e+02      5s
   35847    3.6000000e+01   0.000000e+00   0.000000e+00      7s
   35847    3.6000000e+01   0.000000e+00   0.000000e+00      7s
   35847    3.6000000e+01   0.000000e+00   0.000000e+00      7s

Root relaxation: objective 3.600000e+01, 35847 iterations, 6.34 seconds (6.04 work units)
Total elapsed time = 13.58s (DegenMoves)
Total elapsed time = 15.39s (DegenMoves)

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

     0     0   36.00000    0  361   10.00000   36.00000   260%     -   15s
H    0     0                      11.0000000   36.00000   227%     -   16s
H    0     0                      12.0000000   36.00000   200%     -   16s
     0     0   36.00000    0  675   12.00000   36.00000   200%     -   21s
     0     0   36.00000    0  677   12.00000   36.00000   200%     -   22s
     0     0   36.00000    0  555   12.00000   36.00000   200%     -   47s
     0     0   36.00000    0  519   12.00000   36.00000   200%     -   48s

Cutting planes:
  Gomory: 2
  Cover: 18
  Clique: 3
  MIR: 140
  StrongCG: 3
  Zero half: 62
  RLT: 75

Explored 1 nodes (75920 simplex iterations) in 50.16 seconds (48.07 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 12 11 10 

Time limit reached
Best objective 1.200000000000e+01, best bound 3.600000000000e+01, gap 200.0000%

Wrote result file './lp_solutions/grafo6787.47.sol'

