
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 07:54:02 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5485.34.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/grafo5485.34.lp
Reading time = 0.13 seconds
: 54254 rows, 1391 columns, 163691 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 54254 rows, 1391 columns and 163691 nonzeros
Model fingerprint: 0x35a50e97
Variable types: 35 continuous, 1356 integer (1356 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 16978 rows and 30 columns
Presolve time: 0.61s
Presolved: 37276 rows, 1361 columns, 113062 nonzeros
Variable types: 0 continuous, 1361 integer (1326 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 24747 rows, 13890 columns, 88004 nonzeros


Root relaxation: objective 3.300000e+01, 1928 iterations, 1.09 seconds (0.71 work units)
Total elapsed time = 5.09s (DegenMoves)

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

     0     0   33.00000    0  360    6.00000   33.00000   450%     -    7s
H    0     0                       7.0000000   33.00000   371%     -    9s
     0     0   33.00000    0  580    7.00000   33.00000   371%     -   15s
     0     0   33.00000    0  497    7.00000   33.00000   371%     -   16s
     0     0   33.00000    0  339    7.00000   33.00000   371%     -   28s
H    0     0                       8.0000000   33.00000   312%     -   28s
     0     0   33.00000    0  342    8.00000   33.00000   312%     -   28s
     0     0   33.00000    0  337    8.00000   33.00000   312%     -   36s
     0     0   33.00000    0  314    8.00000   33.00000   312%     -   37s
     0     0   33.00000    0  351    8.00000   33.00000   312%     -   48s
     0     0   33.00000    0  372    8.00000   33.00000   312%     -   49s

Cutting planes:
  Cover: 11
  Clique: 18
  MIR: 81
  GUB cover: 4
  RLT: 32
  BQP: 2

Explored 1 nodes (43838 simplex iterations) in 50.07 seconds (33.55 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 8 7 6 -0 

Time limit reached
Best objective 8.000000000000e+00, best bound 3.300000000000e+01, gap 312.5000%

Wrote result file './lp_solutions/grafo5485.34.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 05:32:41 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5485.34.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/grafo5485.34.lp
Reading time = 0.09 seconds
: 54254 rows, 1391 columns, 163691 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 54254 rows, 1391 columns and 163691 nonzeros
Model fingerprint: 0x35a50e97
Variable types: 35 continuous, 1356 integer (1356 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 16978 rows and 30 columns
Presolve time: 0.38s
Presolved: 37276 rows, 1361 columns, 113062 nonzeros
Variable types: 0 continuous, 1361 integer (1326 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 24747 rows, 13890 columns, 88004 nonzeros


Root relaxation: objective 3.300000e+01, 1928 iterations, 0.72 seconds (0.71 work units)

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

     0     0   33.00000    0  360    6.00000   33.00000   450%     -    4s
H    0     0                       7.0000000   33.00000   371%     -    5s
     0     0   33.00000    0  580    7.00000   33.00000   371%     -    9s
     0     0   33.00000    0  497    7.00000   33.00000   371%     -   10s
     0     0   33.00000    0  339    7.00000   33.00000   371%     -   18s
H    0     0                       8.0000000   33.00000   312%     -   18s
     0     0   33.00000    0  342    8.00000   33.00000   312%     -   18s
     0     0   33.00000    0  337    8.00000   33.00000   312%     -   24s
     0     0   33.00000    0  314    8.00000   33.00000   312%     -   24s
     0     0   33.00000    0  351    8.00000   33.00000   312%     -   33s
     0     0   33.00000    0  372    8.00000   33.00000   312%     -   33s
     0     0   33.00000    0  293    8.00000   33.00000   312%     -   40s
     0     0   33.00000    0  278    8.00000   33.00000   312%     -   40s
     0     0   33.00000    0  276    8.00000   33.00000   312%     -   43s
     0     0   33.00000    0  305    8.00000   33.00000   312%     -   43s
     0     0   33.00000    0  354    8.00000   33.00000   312%     -   50s

Cutting planes:
  Cover: 37
  Clique: 14
  MIR: 123
  GUB cover: 2
  Zero half: 30
  RLT: 56
  BQP: 1

Explored 1 nodes (67553 simplex iterations) in 50.05 seconds (50.31 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 8 7 6 -0 

Time limit reached
Best objective 8.000000000000e+00, best bound 3.300000000000e+01, gap 312.5000%

Wrote result file './lp_solutions/grafo5485.34.sol'

