
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 07:17:09 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5226.36.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/grafo5226.36.lp
Reading time = 0.12 seconds
: 56159 rows, 1753 columns, 169868 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 56159 rows, 1753 columns and 169868 nonzeros
Model fingerprint: 0xcbd3fffe
Variable types: 42 continuous, 1711 integer (1711 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 -0.0000000
Presolve removed 11465 rows and 36 columns
Presolve time: 0.60s
Presolved: 44694 rows, 1717 columns, 135837 nonzeros
Variable types: 0 continuous, 1717 integer (1675 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 26074 rows, 20337 columns, 98597 nonzeros


Root relaxation: objective 4.100000e+01, 3294 iterations, 2.24 seconds (1.44 work units)
Total elapsed time = 6.95s (DegenMoves)

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

     0     0   41.00000    0  401    9.00000   41.00000   356%     -    8s
H    0     0                      10.0000000   41.00000   310%     -    9s
H    0     0                      13.0000000   41.00000   215%     -   11s
     0     0   41.00000    0  747   13.00000   41.00000   215%     -   21s
     0     0   41.00000    0  743   13.00000   41.00000   215%     -   22s
     0     0   41.00000    0  541   13.00000   41.00000   215%     -   50s

Cutting planes:
  Gomory: 2
  Cover: 21
  Clique: 2
  MIR: 115
  StrongCG: 1
  GUB cover: 2
  Zero half: 78
  RLT: 72

Explored 1 nodes (40821 simplex iterations) in 50.05 seconds (35.89 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 13 10 9 -0 

Time limit reached
Best objective 1.300000000000e+01, best bound 4.100000000000e+01, gap 215.3846%

Wrote result file './lp_solutions/grafo5226.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 07:27:24 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5226.36.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/grafo5226.36.lp
Reading time = 0.09 seconds
: 56159 rows, 1753 columns, 169868 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 56159 rows, 1753 columns and 169868 nonzeros
Model fingerprint: 0xcbd3fffe
Variable types: 42 continuous, 1711 integer (1711 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 -0.0000000
Presolve removed 11465 rows and 36 columns
Presolve time: 0.38s
Presolved: 44694 rows, 1717 columns, 135837 nonzeros
Variable types: 0 continuous, 1717 integer (1675 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 26074 rows, 20337 columns, 98597 nonzeros


Root relaxation: objective 4.100000e+01, 3294 iterations, 1.49 seconds (1.44 work units)
Total elapsed time = 5.45s (DegenMoves)

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

     0     0   41.00000    0  401    9.00000   41.00000   356%     -    6s
H    0     0                      10.0000000   41.00000   310%     -    6s
H    0     0                      13.0000000   41.00000   215%     -    7s
     0     0   41.00000    0  747   13.00000   41.00000   215%     -   14s
     0     0   41.00000    0  743   13.00000   41.00000   215%     -   15s
H    0     0                      14.0000000   41.00000   193%     -   38s
     0     0   41.00000    0  541   14.00000   41.00000   193%     -   39s
     0     0   41.00000    0  545   14.00000   41.00000   193%     -   40s
     0     0  postponed    0        14.00000   41.00000   193%     -   50s

Cutting planes:
  Cover: 22
  Clique: 5
  MIR: 149
  StrongCG: 2
  GUB cover: 6
  Zero half: 47
  RLT: 68

Explored 1 nodes (51210 simplex iterations) in 50.04 seconds (47.01 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 14 13 10 ... -0

Time limit reached
Best objective 1.400000000000e+01, best bound 4.100000000000e+01, gap 192.8571%

Wrote result file './lp_solutions/grafo5226.36.sol'

