
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 05:51:29 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo410.14.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/grafo410.14.lp
Reading time = 0.01 seconds
: 2011 rows, 230 columns, 6076 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 2011 rows, 230 columns and 6076 nonzeros
Model fingerprint: 0xb31abad9
Variable types: 13 continuous, 217 integer (217 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 501 rows and 16 columns
Presolve time: 0.02s
Presolved: 1510 rows, 214 columns, 4690 nonzeros
Variable types: 0 continuous, 214 integer (201 binary)
Found heuristic solution: objective 1.0000000
Found heuristic solution: objective 2.0000000

Root relaxation: objective 9.000000e+00, 127 iterations, 0.01 seconds (0.00 work units)

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

     0     0    9.00000    0   54    2.00000    9.00000   350%     -    0s
H    0     0                       4.0000000    9.00000   125%     -    0s
H    0     0                       5.0000000    9.00000  80.0%     -    0s
     0     0    9.00000    0   43    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   43    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   50    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   55    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   55    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   52    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   69    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   61    5.00000    9.00000  80.0%     -    0s
     0     0    9.00000    0   60    5.00000    9.00000  80.0%     -    0s
     0     2    9.00000    0   60    5.00000    9.00000  80.0%     -    0s
*  550   266              24       6.0000000    8.50000  41.7%  49.6    1s
  2368   381    7.00000   19   77    6.00000    7.00000  16.7%  68.6    5s
  4397   382    7.00000   21   90    6.00000    7.00000  16.7%  85.4   10s
  6734     0     cutoff   20         6.00000    7.00000  16.7%  96.4   15s

Cutting planes:
  Gomory: 2
  Cover: 164
  MIR: 63
  StrongCG: 2
  GUB cover: 3
  Inf proof: 79
  Zero half: 2
  RLT: 20

Explored 6907 nodes (671662 simplex iterations) in 15.23 seconds (12.32 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 6 5 4 ... 1

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo410.14.sol'

