
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 05:16:51 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2872.13.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/grafo2872.13.lp
Reading time = 0.01 seconds
: 2209 rows, 231 columns, 6694 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 2209 rows, 231 columns and 6694 nonzeros
Model fingerprint: 0x9318c771
Variable types: 14 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]
Found heuristic solution: objective -0.0000000
Presolve removed 616 rows and 15 columns
Presolve time: 0.02s
Presolved: 1593 rows, 216 columns, 4963 nonzeros
Variable types: 0 continuous, 216 integer (202 binary)
Found heuristic solution: objective 2.0000000

Root relaxation: objective 9.000000e+00, 129 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   69    2.00000    9.00000   350%     -    0s
H    0     0                       4.0000000    9.00000   125%     -    0s
     0     0    9.00000    0  121    4.00000    9.00000   125%     -    0s
     0     0    9.00000    0  120    4.00000    9.00000   125%     -    0s
     0     0    9.00000    0   55    4.00000    9.00000   125%     -    0s
H    0     0                       6.0000000    9.00000  50.0%     -    0s
     0     0    9.00000    0   54    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   68    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   58    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   86    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   61    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   63    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   64    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   69    6.00000    9.00000  50.0%     -    0s
     0     0    9.00000    0   52    6.00000    9.00000  50.0%     -    0s
     0     2    9.00000    0   39    6.00000    9.00000  50.0%     -    0s
* 1466   214              17       7.0000000    7.00000  0.00%  62.8    3s

Cutting planes:
  Gomory: 1
  Cover: 12
  MIR: 46
  Inf proof: 23
  Zero half: 3
  RLT: 21

Explored 1646 nodes (110605 simplex iterations) in 3.87 seconds (2.76 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 7 6 4 ... -0

Optimal solution found (tolerance 1.00e-04)
Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo2872.13.sol'

