
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 21:04:49 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3363.37.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/grafo3363.37.lp
Reading time = 0.15 seconds
: 93344 rows, 1757 columns, 281367 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 93344 rows, 1757 columns and 281367 nonzeros
Model fingerprint: 0x94ede06a
Variable types: 40 continuous, 1717 integer (1717 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 32433 rows and 19 columns
Presolve time: 0.69s
Presolved: 60911 rows, 1738 columns, 184309 nonzeros
Variable types: 0 continuous, 1738 integer (1698 binary)
Found heuristic solution: objective 8.0000000
Root relaxation presolved: 1738 rows, 62649 columns, 186047 nonzeros


Root relaxation: objective 4.300000e+01, 3040 iterations, 1.20 seconds (1.50 work units)
Total elapsed time = 8.06s (DegenMoves)

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

     0     0   43.00000    0  538    8.00000   43.00000   437%     -   18s
H    0     0                       9.0000000   43.00000   378%     -   18s
     0     0   43.00000    0  716    9.00000   43.00000   378%     -   28s
     0     0   43.00000    0  680    9.00000   43.00000   378%     -   29s
H    0     0                      11.0000000   43.00000   291%     -   43s
     0     0   43.00000    0  349   11.00000   43.00000   291%     -   43s
     0     0   43.00000    0  398   11.00000   43.00000   291%     -   44s
     0     0          -    0        11.00000   43.00000   291%     -   50s

Cutting planes:
  Cover: 45
  Clique: 19
  MIR: 216
  GUB cover: 3
  Zero half: 62
  RLT: 75
  BQP: 3

Explored 1 nodes (42948 simplex iterations) in 50.09 seconds (54.65 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 11 9 8 

Time limit reached
Best objective 1.100000000000e+01, best bound 4.300000000000e+01, gap 290.9091%

Wrote result file './lp_solutions/grafo3363.37.sol'

