
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 03:51:55 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1969.14.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/grafo1969.14.lp
Reading time = 0.01 seconds
: 1638 rows, 205 columns, 4965 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 1638 rows, 205 columns and 4965 nonzeros
Model fingerprint: 0x9b8e9de6
Variable types: 12 continuous, 193 integer (193 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 3.0000000
Presolve removed 281 rows and 7 columns
Presolve time: 0.02s
Presolved: 1357 rows, 198 columns, 4179 nonzeros
Variable types: 0 continuous, 198 integer (186 binary)

Root relaxation: objective 7.000000e+00, 59 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    7.00000    0   37    3.00000    7.00000   133%     -    0s
H    0     0                       5.0000000    7.00000  40.0%     -    0s
     0     0    7.00000    0   35    5.00000    7.00000  40.0%     -    0s
     0     0    6.50000    0   36    5.00000    6.50000  30.0%     -    0s
     0     0    6.00000    0   27    5.00000    6.00000  20.0%     -    0s
     0     0    6.00000    0   15    5.00000    6.00000  20.0%     -    0s
     0     0    6.00000    0   14    5.00000    6.00000  20.0%     -    0s
     0     0    6.00000    0   25    5.00000    6.00000  20.0%     -    0s
     0     0    6.00000    0   22    5.00000    6.00000  20.0%     -    0s
     0     0    6.00000    0   29    5.00000    6.00000  20.0%     -    0s
     0     0    6.00000    0   27    5.00000    6.00000  20.0%     -    0s
     0     0    6.00000    0   25    5.00000    6.00000  20.0%     -    0s
     0     0    6.00000    0   25    5.00000    6.00000  20.0%     -    0s
     0     2    6.00000    0   24    5.00000    6.00000  20.0%     -    0s

Cutting planes:
  Gomory: 1
  Cover: 4
  Clique: 5
  MIR: 20
  Inf proof: 7
  Zero half: 1
  RLT: 13
  BQP: 3

Explored 113 nodes (3313 simplex iterations) in 0.90 seconds (0.18 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 5 3 

Optimal solution found (tolerance 1.00e-04)
Best objective 5.000000000000e+00, best bound 5.000000000000e+00, gap 0.0000%

Wrote result file './lp_solutions/grafo1969.14.sol'

