
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 19:13:45 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3124.34.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/grafo3124.34.lp
Reading time = 0.12 seconds
: 74121 rows, 1576 columns, 223649 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 74121 rows, 1576 columns and 223649 nonzeros
Model fingerprint: 0xc4de47fb
Variable types: 39 continuous, 1537 integer (1537 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 24296 rows and 22 columns
Presolve time: 0.57s
Presolved: 49825 rows, 1554 columns, 150987 nonzeros
Variable types: 0 continuous, 1554 integer (1515 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 1554 rows, 51379 columns, 152541 nonzeros


Root relaxation: objective 3.500000e+01, 2722 iterations, 0.77 seconds (0.93 work units)
Total elapsed time = 7.17s (DegenMoves)
Total elapsed time = 10.84s (DegenMoves)

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

     0     0   35.00000    0  493    7.00000   35.00000   400%     -   12s
H    0     0                       8.0000000   35.00000   337%     -   12s
     0     0   35.00000    0  645    8.00000   35.00000   337%     -   19s
     0     0   35.00000    0  622    8.00000   35.00000   337%     -   21s
H    0     0                      11.0000000   35.00000   218%     -   41s
     0     0   35.00000    0  324   11.00000   35.00000   218%     -   41s
     0     0   35.00000    0  319   11.00000   35.00000   218%     -   42s
     0     0   35.00000    0  308   11.00000   35.00000   218%     -   48s
     0     0   35.00000    0  418   11.00000   35.00000   218%     -   49s

Cutting planes:
  Lift-and-project: 1
  Cover: 37
  Clique: 16
  MIR: 104
  GUB cover: 2
  Zero half: 1
  RLT: 29
  Relax-and-lift: 1
  BQP: 3

Explored 1 nodes (51669 simplex iterations) in 50.05 seconds (50.31 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 11 8 7 

Time limit reached
Best objective 1.100000000000e+01, best bound 3.500000000000e+01, gap 218.1818%

Wrote result file './lp_solutions/grafo3124.34.sol'

