
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 05:49:57 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo403.14.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/grafo403.14.lp
Reading time = 0.01 seconds
: 1968 rows, 217 columns, 5958 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 1968 rows, 217 columns and 5958 nonzeros
Model fingerprint: 0x446b2942
Variable types: 12 continuous, 205 integer (205 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 2.0000000
Presolve removed 490 rows and 6 columns
Presolve time: 0.02s
Presolved: 1478 rows, 211 columns, 4542 nonzeros
Variable types: 0 continuous, 211 integer (199 binary)

Root relaxation: objective 1.000000e+01, 189 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   10.00000    0   60    2.00000   10.00000   400%     -    0s
H    0     0                       3.0000000   10.00000   233%     -    0s
H    0     0                       4.0000000   10.00000   150%     -    0s
     0     0   10.00000    0  120    4.00000   10.00000   150%     -    0s
     0     0   10.00000    0  120    4.00000   10.00000   150%     -    0s
     0     0   10.00000    0   35    4.00000   10.00000   150%     -    0s
H    0     0                       5.0000000   10.00000   100%     -    0s
     0     0   10.00000    0   50    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   36    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   39    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   67    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   58    5.00000   10.00000   100%     -    0s
     0     0   10.00000    0   51    5.00000   10.00000   100%     -    0s
     0     0    9.66667    0   47    5.00000    9.66667  93.3%     -    0s
     0     0    9.66667    0   31    5.00000    9.66667  93.3%     -    0s
     0     0    9.66667    0   28    5.00000    9.66667  93.3%     -    0s
     0     0    9.50000    0   52    5.00000    9.50000  90.0%     -    0s
     0     0    9.50000    0   52    5.00000    9.50000  90.0%     -    0s
     0     2    9.50000    0   32    5.00000    9.50000  90.0%     -    0s
*  448   241              29       6.0000000    9.50000  58.3%  23.9    1s

Cutting planes:
  Gomory: 1
  Cover: 15
  Clique: 3
  MIR: 34
  Inf proof: 43
  Zero half: 13
  RLT: 25
  BQP: 3
  PSD: 1

Explored 2136 nodes (54926 simplex iterations) in 2.33 seconds (1.18 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 6 5 4 ... 2

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/grafo403.14.sol'

