
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 03:29:01 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11588.36.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/grafo11588.36.lp
Reading time = 0.14 seconds
: 51619 rows, 1605 columns, 156049 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 51619 rows, 1605 columns and 156049 nonzeros
Model fingerprint: 0x20694adb
Variable types: 38 continuous, 1567 integer (1567 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 5.0000000
Presolve removed 11953 rows and 19 columns
Presolve time: 0.75s
Presolved: 39666 rows, 1586 columns, 120526 nonzeros
Variable types: 0 continuous, 1586 integer (1548 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 24090 rows, 17162 columns, 89374 nonzeros


Root relaxation: objective 3.800000e+01, 1129 iterations, 0.66 seconds (0.26 work units)

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

     0     0   38.00000    0  287    9.00000   38.00000   322%     -    2s
H    0     0                      13.0000000   38.00000   192%     -    4s
     0     0   38.00000    0  545   13.00000   38.00000   192%     -    8s
H    0     0                      14.0000000   38.00000   171%     -    8s
     0     0   38.00000    0  503   14.00000   38.00000   171%     -    9s
H    0     0                      15.0000000   38.00000   153%     -   29s
H    0     0                      16.0000000   38.00000   137%     -   29s
     0     0   38.00000    0  441   16.00000   38.00000   137%     -   29s
     0     0   38.00000    0  426   16.00000   38.00000   137%     -   31s
     0     0   38.00000    0  450   16.00000   38.00000   137%     -   43s
     0     0   38.00000    0  501   16.00000   38.00000   137%     -   46s
     0     0          -    0        16.00000   38.00000   137%     -   50s

Cutting planes:
  Cover: 31
  Clique: 7
  MIR: 126
  StrongCG: 1
  Zero half: 44
  RLT: 51

Explored 1 nodes (39156 simplex iterations) in 50.09 seconds (26.51 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 16 15 14 ... 5

Time limit reached
Best objective 1.600000000000e+01, best bound 3.800000000000e+01, gap 137.5000%

Wrote result file './lp_solutions/grafo11588.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 07:06:28 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11588.36.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/grafo11588.36.lp
Reading time = 0.09 seconds
: 51619 rows, 1605 columns, 156049 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 51619 rows, 1605 columns and 156049 nonzeros
Model fingerprint: 0x20694adb
Variable types: 38 continuous, 1567 integer (1567 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 5.0000000
Presolve removed 11953 rows and 19 columns
Presolve time: 0.36s
Presolved: 39666 rows, 1586 columns, 120526 nonzeros
Variable types: 0 continuous, 1586 integer (1548 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 24090 rows, 17162 columns, 89374 nonzeros


Root relaxation: objective 3.800000e+01, 1129 iterations, 0.31 seconds (0.26 work units)

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

     0     0   38.00000    0  287    9.00000   38.00000   322%     -    1s
H    0     0                      13.0000000   38.00000   192%     -    2s
     0     0   38.00000    0  545   13.00000   38.00000   192%     -    4s
H    0     0                      14.0000000   38.00000   171%     -    4s
     0     0   38.00000    0  503   14.00000   38.00000   171%     -    4s
H    0     0                      15.0000000   38.00000   153%     -   17s
H    0     0                      16.0000000   38.00000   137%     -   17s
     0     0   38.00000    0  441   16.00000   38.00000   137%     -   17s
     0     0   38.00000    0  426   16.00000   38.00000   137%     -   18s
     0     0   38.00000    0  450   16.00000   38.00000   137%     -   26s
     0     0   38.00000    0  501   16.00000   38.00000   137%     -   28s
     0     0   38.00000    0  448   16.00000   38.00000   137%     -   38s
     0     0   38.00000    0  467   16.00000   38.00000   137%     -   39s
     0     0   38.00000    0  457   16.00000   38.00000   137%     -   49s
     0     0   38.00000    0  427   16.00000   38.00000   137%     -   49s
     0     0          -    0        16.00000   38.00000   137%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 5
  Clique: 3
  MIR: 93
  StrongCG: 1
  Zero half: 43
  RLT: 47

Explored 1 nodes (60641 simplex iterations) in 50.05 seconds (41.80 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 16 15 14 ... 5

Time limit reached
Best objective 1.600000000000e+01, best bound 3.800000000000e+01, gap 137.5000%

Wrote result file './lp_solutions/grafo11588.36.sol'

