
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 08:01:34 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5528.36.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/grafo5528.36.lp
Reading time = 0.11 seconds
: 52582 rows, 1448 columns, 158705 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 52582 rows, 1448 columns and 158705 nonzeros
Model fingerprint: 0xedabf3d3
Variable types: 35 continuous, 1413 integer (1413 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 14475 rows and 27 columns
Presolve time: 0.46s
Presolved: 38107 rows, 1421 columns, 115537 nonzeros
Variable types: 0 continuous, 1421 integer (1386 binary)
Found heuristic solution: objective 3.0000000
Root relaxation presolved: 24422 rows, 15106 columns, 88167 nonzeros


Root relaxation: objective 3.100000e+01, 2584 iterations, 1.58 seconds (1.11 work units)

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

     0     0   31.00000    0  394    3.00000   31.00000   933%     -    4s
H    0     0                       5.0000000   31.00000   520%     -    4s
H    0     0                       6.0000000   31.00000   417%     -    4s
     0     0   31.00000    0  537    6.00000   31.00000   417%     -   10s
H    0     0                       9.0000000   31.00000   244%     -   11s
     0     0   31.00000    0  542    9.00000   31.00000   244%     -   11s
H    0     0                      10.0000000   31.00000   210%     -   28s
H    0     0                      11.0000000   31.00000   182%     -   28s
     0     0   31.00000    0  454   11.00000   31.00000   182%     -   28s
     0     0   31.00000    0  433   11.00000   31.00000   182%     -   28s
     0     0   31.00000    0  494   11.00000   31.00000   182%     -   42s
     0     0   31.00000    0  512   11.00000   31.00000   182%     -   43s
     0     0   31.00000    0  487   11.00000   31.00000   182%     -   50s

Cutting planes:
  Cover: 7
  Clique: 7
  MIR: 59
  Zero half: 23
  RLT: 46

Explored 1 nodes (44481 simplex iterations) in 50.06 seconds (32.33 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 11 10 9 ... 3

Time limit reached
Best objective 1.100000000000e+01, best bound 3.100000000000e+01, gap 181.8182%

Wrote result file './lp_solutions/grafo5528.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 07:37:27 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5528.36.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/grafo5528.36.lp
Reading time = 0.09 seconds
: 52582 rows, 1448 columns, 158705 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 52582 rows, 1448 columns and 158705 nonzeros
Model fingerprint: 0xedabf3d3
Variable types: 35 continuous, 1413 integer (1413 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 14475 rows and 27 columns
Presolve time: 0.37s
Presolved: 38107 rows, 1421 columns, 115537 nonzeros
Variable types: 0 continuous, 1421 integer (1386 binary)
Found heuristic solution: objective 3.0000000
Root relaxation presolved: 24422 rows, 15106 columns, 88167 nonzeros


Root relaxation: objective 3.100000e+01, 2584 iterations, 1.04 seconds (1.11 work units)

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

     0     0   31.00000    0  394    3.00000   31.00000   933%     -    3s
H    0     0                       5.0000000   31.00000   520%     -    3s
H    0     0                       6.0000000   31.00000   417%     -    3s
     0     0   31.00000    0  537    6.00000   31.00000   417%     -    6s
H    0     0                       9.0000000   31.00000   244%     -    7s
     0     0   31.00000    0  542    9.00000   31.00000   244%     -    7s
H    0     0                      10.0000000   31.00000   210%     -   19s
H    0     0                      11.0000000   31.00000   182%     -   19s
     0     0   31.00000    0  454   11.00000   31.00000   182%     -   19s
     0     0   31.00000    0  433   11.00000   31.00000   182%     -   19s
     0     0   31.00000    0  494   11.00000   31.00000   182%     -   29s
     0     0   31.00000    0  512   11.00000   31.00000   182%     -   29s
     0     0   31.00000    0  466   11.00000   31.00000   182%     -   35s
     0     0   31.00000    0  524   11.00000   31.00000   182%     -   37s
H    0     0                      12.0000000   31.00000   158%     -   46s
     0     0   31.00000    0  449   12.00000   31.00000   158%     -   46s
     0     0   31.00000    0  459   12.00000   31.00000   158%     -   47s
     0     0   31.00000    0  539   12.00000   31.00000   158%     -   50s

Cutting planes:
  Cover: 16
  Clique: 17
  MIR: 86
  StrongCG: 2
  GUB cover: 2
  Zero half: 27
  RLT: 56
  BQP: 2

Explored 1 nodes (64735 simplex iterations) in 50.05 seconds (47.60 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 12 11 10 ... 3

Time limit reached
Best objective 1.200000000000e+01, best bound 3.100000000000e+01, gap 158.3333%

Wrote result file './lp_solutions/grafo5528.36.sol'

