
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 07:47:20 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5452.34.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/grafo5452.34.lp
Reading time = 0.07 seconds
: 35409 rows, 1312 columns, 107045 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 35409 rows, 1312 columns and 107045 nonzeros
Model fingerprint: 0x6a6ead8a
Variable types: 33 continuous, 1279 integer (1279 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 2.0000000
Presolve removed 7756 rows and 21 columns
Presolve time: 0.29s
Presolved: 27653 rows, 1291 columns, 84054 nonzeros
Variable types: 0 continuous, 1291 integer (1258 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 16213 rows, 12731 columns, 61174 nonzeros


Root relaxation: objective 3.600000e+01, 1721 iterations, 0.79 seconds (0.43 work units)

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

     0     0   36.00000    0  312    7.00000   36.00000   414%     -    3s
H    0     0                       8.0000000   36.00000   350%     -    3s
H    0     0                       9.0000000   36.00000   300%     -    4s
     0     0   36.00000    0  370    9.00000   36.00000   300%     -    5s
     0     0   36.00000    0  415    9.00000   36.00000   300%     -    5s
H    0     0                      10.0000000   36.00000   260%     -   10s
     0     0   36.00000    0  346   10.00000   36.00000   260%     -   10s
     0     0   36.00000    0  405   10.00000   36.00000   260%     -   11s
H    0     0                      11.0000000   36.00000   227%     -   22s
     0     0   36.00000    0  296   11.00000   36.00000   227%     -   23s
     0     0   36.00000    0  353   11.00000   36.00000   227%     -   23s
     0     0   36.00000    0  447   11.00000   36.00000   227%     -   29s
     0     0   36.00000    0  411   11.00000   36.00000   227%     -   30s
H    0     0                      12.0000000   36.00000   200%     -   34s
     0     0   36.00000    0  375   12.00000   36.00000   200%     -   34s
     0     0   36.00000    0  391   12.00000   36.00000   200%     -   35s
     0     0   36.00000    0  365   12.00000   36.00000   200%     -   40s
     0     0   36.00000    0  365   12.00000   36.00000   200%     -   42s
     0     2   36.00000    0  342   12.00000   36.00000   200%     -   49s
     3     5  postponed    2        12.00000   36.00000   200%  1327   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 1
  Cover: 2
  MIR: 108
  Zero half: 9
  RLT: 57

Explored 4 nodes (62249 simplex iterations) in 50.04 seconds (32.62 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 12 11 10 ... 2

Time limit reached
Best objective 1.200000000000e+01, best bound 3.600000000000e+01, gap 200.0000%

Wrote result file './lp_solutions/grafo5452.34.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 05:31:01 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5452.34.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/grafo5452.34.lp
Reading time = 0.06 seconds
: 35409 rows, 1312 columns, 107045 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 35409 rows, 1312 columns and 107045 nonzeros
Model fingerprint: 0x6a6ead8a
Variable types: 33 continuous, 1279 integer (1279 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 2.0000000
Presolve removed 7756 rows and 21 columns
Presolve time: 0.23s
Presolved: 27653 rows, 1291 columns, 84054 nonzeros
Variable types: 0 continuous, 1291 integer (1258 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 16213 rows, 12731 columns, 61174 nonzeros


Root relaxation: objective 3.600000e+01, 1721 iterations, 0.43 seconds (0.43 work units)

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

     0     0   36.00000    0  312    7.00000   36.00000   414%     -    2s
H    0     0                       8.0000000   36.00000   350%     -    2s
H    0     0                       9.0000000   36.00000   300%     -    2s
     0     0   36.00000    0  370    9.00000   36.00000   300%     -    3s
     0     0   36.00000    0  415    9.00000   36.00000   300%     -    3s
H    0     0                      10.0000000   36.00000   260%     -    7s
     0     0   36.00000    0  346   10.00000   36.00000   260%     -    7s
     0     0   36.00000    0  405   10.00000   36.00000   260%     -    7s
H    0     0                      11.0000000   36.00000   227%     -   15s
     0     0   36.00000    0  296   11.00000   36.00000   227%     -   15s
     0     0   36.00000    0  353   11.00000   36.00000   227%     -   15s
     0     0   36.00000    0  447   11.00000   36.00000   227%     -   18s
     0     0   36.00000    0  411   11.00000   36.00000   227%     -   19s
H    0     0                      12.0000000   36.00000   200%     -   22s
     0     0   36.00000    0  375   12.00000   36.00000   200%     -   22s
     0     0   36.00000    0  391   12.00000   36.00000   200%     -   22s
     0     0   36.00000    0  365   12.00000   36.00000   200%     -   26s
     0     0   36.00000    0  365   12.00000   36.00000   200%     -   27s
     0     2   36.00000    0  342   12.00000   36.00000   200%     -   32s
    15    20   36.00000    5  615   12.00000   36.00000   200%  1175   37s
    46    55   35.00000   10  386   12.00000   36.00000   200%   721   40s
   148   159   31.50000   28  400   12.00000   36.00000   200%   376   45s
   172   175   29.50000   38  353   12.00000   36.00000   200%   384   50s

Cutting planes:
  Gomory: 1
  Lift-and-project: 1
  Cover: 2
  MIR: 105
  Zero half: 8
  RLT: 56

Explored 174 nodes (125331 simplex iterations) in 50.04 seconds (59.58 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 12 11 10 ... 2

Time limit reached
Best objective 1.200000000000e+01, best bound 3.600000000000e+01, gap 200.0000%

Wrote result file './lp_solutions/grafo5452.34.sol'

