
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 05:48:10 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo388.13.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/grafo388.13.lp
Reading time = 0.00 seconds
: 1950 rows, 211 columns, 5908 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 1950 rows, 211 columns and 5908 nonzeros
Model fingerprint: 0x34979fc0
Variable types: 13 continuous, 198 integer (198 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 1.0000000
Presolve removed 521 rows and 9 columns
Presolve time: 0.02s
Presolved: 1429 rows, 202 columns, 4429 nonzeros
Variable types: 0 continuous, 202 integer (189 binary)
Found heuristic solution: objective 2.0000000

Root relaxation: objective 8.000000e+00, 166 iterations, 0.01 seconds (0.01 work units)

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

     0     0    8.00000    0   86    2.00000    8.00000   300%     -    0s
H    0     0                       3.0000000    8.00000   167%     -    0s
H    0     0                       4.0000000    8.00000   100%     -    0s
     0     0    8.00000    0   76    4.00000    8.00000   100%     -    0s
     0     0    8.00000    0   76    4.00000    8.00000   100%     -    0s
H    0     0                       5.0000000    8.00000  60.0%     -    0s
     0     0    8.00000    0   25    5.00000    8.00000  60.0%     -    0s
     0     0    7.50000    0   38    5.00000    7.50000  50.0%     -    0s
     0     0    7.00000    0   39    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   38    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   38    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   42    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   38    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   40    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   44    5.00000    7.00000  40.0%     -    0s
     0     0    7.00000    0   34    5.00000    7.00000  40.0%     -    0s
     0     2    7.00000    0   34    5.00000    7.00000  40.0%     -    0s
*  276    95              14       6.0000000    7.00000  16.7%  29.2    1s

Cutting planes:
  Gomory: 1
  Cover: 7
  Clique: 2
  MIR: 45
  StrongCG: 6
  Inf proof: 14
  Zero half: 5
  RLT: 13
  BQP: 2

Explored 388 nodes (12204 simplex iterations) in 1.34 seconds (0.46 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 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/grafo388.13.sol'

