
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Tue Nov 26 00:50:53 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7114.40.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/grafo7114.40.lp
Reading time = 0.21 seconds
: 106888 rows, 1835 columns, 321971 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 106888 rows, 1835 columns and 321971 nonzeros
Model fingerprint: 0x46ec72d8
Variable types: 38 continuous, 1797 integer (1797 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 38308 rows and 9 columns
Presolve time: 0.83s
Presolved: 68580 rows, 1826 columns, 207289 nonzeros
Variable types: 0 continuous, 1826 integer (1788 binary)
Root relaxation presolved: 1823 rows, 70403 columns, 209115 nonzeros


Root relaxation: objective 3.900000e+01, 2518 iterations, 0.89 seconds (0.72 work units)
Total elapsed time = 9.60s (DegenMoves)
Total elapsed time = 10.17s (DegenMoves)

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

     0     0   39.00000    0  425          -   39.00000      -     -   10s
H    0     0                       7.0000000   39.00000   457%     -   10s
H    0     0                       9.0000000   39.00000   333%     -   10s
     0     0   39.00000    0  585    9.00000   39.00000   333%     -   20s
H    0     0                      10.0000000   39.00000   290%     -   21s
     0     0   39.00000    0  579   10.00000   39.00000   290%     -   21s
H    0     0                      11.0000000   39.00000   255%     -   43s
H    0     0                      14.0000000   39.00000   179%     -   43s
     0     0   39.00000    0  534   14.00000   39.00000   179%     -   43s
     0     0   39.00000    0  501   14.00000   39.00000   179%     -   44s
     0     0          -    0        14.00000   39.00000   179%     -   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 1
  Cover: 24
  Clique: 14
  MIR: 91
  StrongCG: 2
  Zero half: 48
  RLT: 64
  BQP: 2

Explored 1 nodes (28593 simplex iterations) in 50.15 seconds (36.06 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 14 11 10 ... 7

Time limit reached
Best objective 1.400000000000e+01, best bound 3.900000000000e+01, gap 178.5714%

Wrote result file './lp_solutions/grafo7114.40.sol'

