
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 05:30:35 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2968.32.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/grafo2968.32.lp
Reading time = 0.12 seconds
: 60490 rows, 1380 columns, 182488 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 60490 rows, 1380 columns and 182488 nonzeros
Model fingerprint: 0x8f6cf6b8
Variable types: 36 continuous, 1344 integer (1344 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 20994 rows and 24 columns
Presolve time: 0.68s
Presolved: 39496 rows, 1356 columns, 119742 nonzeros
Variable types: 0 continuous, 1356 integer (1320 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 27396 rows, 13456 columns, 95542 nonzeros


Root relaxation: objective 3.800000e+01, 3780 iterations, 3.21 seconds (2.45 work units)
Total elapsed time = 7.31s (DegenMoves)

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

     0     0   38.00000    0  296    6.00000   38.00000   533%     -    9s
H    0     0                      10.0000000   38.00000   280%     -    9s
H    0     0                      11.0000000   38.00000   245%     -   10s
     0     0   38.00000    0  458   11.00000   38.00000   245%     -   14s
     0     0   38.00000    0  418   11.00000   38.00000   245%     -   15s
H    0     0                      12.0000000   38.00000   217%     -   19s
H    0     0                      13.0000000   38.00000   192%     -   30s
     0     0   38.00000    0  384   13.00000   38.00000   192%     -   30s
     0     0   38.00000    0  365   13.00000   38.00000   192%     -   30s
     0     0   38.00000    0  418   13.00000   38.00000   192%     -   43s
     0     0   38.00000    0  411   13.00000   38.00000   192%     -   45s
     0     0   38.00000    0  449   13.00000   38.00000   192%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 26
  Clique: 20
  MIR: 175
  StrongCG: 1
  Zero half: 38
  RLT: 73
  BQP: 2

Explored 1 nodes (39727 simplex iterations) in 50.07 seconds (32.42 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 13 12 11 ... -0

Time limit reached
Best objective 1.300000000000e+01, best bound 3.800000000000e+01, gap 192.3077%

Wrote result file './lp_solutions/grafo2968.32.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 11:05:28 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2968.32.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/grafo2968.32.lp
Reading time = 0.10 seconds
: 60490 rows, 1380 columns, 182488 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 60490 rows, 1380 columns and 182488 nonzeros
Model fingerprint: 0x8f6cf6b8
Variable types: 36 continuous, 1344 integer (1344 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 20994 rows and 24 columns
Presolve time: 0.39s
Presolved: 39496 rows, 1356 columns, 119742 nonzeros
Variable types: 0 continuous, 1356 integer (1320 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 27396 rows, 13456 columns, 95542 nonzeros


Root relaxation: objective 3.800000e+01, 3780 iterations, 2.34 seconds (2.45 work units)
Total elapsed time = 5.17s (DegenMoves)

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

     0     0   38.00000    0  296    6.00000   38.00000   533%     -    6s
H    0     0                      10.0000000   38.00000   280%     -    6s
H    0     0                      11.0000000   38.00000   245%     -    7s
     0     0   38.00000    0  458   11.00000   38.00000   245%     -   10s
     0     0   38.00000    0  418   11.00000   38.00000   245%     -   10s
H    0     0                      12.0000000   38.00000   217%     -   12s
H    0     0                      13.0000000   38.00000   192%     -   21s
     0     0   38.00000    0  384   13.00000   38.00000   192%     -   21s
     0     0   38.00000    0  365   13.00000   38.00000   192%     -   21s
     0     0   38.00000    0  418   13.00000   38.00000   192%     -   30s
     0     0   38.00000    0  411   13.00000   38.00000   192%     -   31s
     0     0   38.00000    0  390   13.00000   38.00000   192%     -   36s
     0     0   38.00000    0  410   13.00000   38.00000   192%     -   37s
H    0     0                      14.0000000   38.00000   171%     -   44s
     0     0   38.00000    0  520   14.00000   38.00000   171%     -   44s
     0     0   38.00000    0  490   14.00000   38.00000   171%     -   44s
     0     0   38.00000    0  461   14.00000   38.00000   171%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 11
  Clique: 11
  MIR: 98
  GUB cover: 2
  Zero half: 79
  RLT: 69
  Relax-and-lift: 1

Explored 1 nodes (60500 simplex iterations) in 50.04 seconds (47.06 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 14 13 12 ... -0

Time limit reached
Best objective 1.400000000000e+01, best bound 3.800000000000e+01, gap 171.4286%

Wrote result file './lp_solutions/grafo2968.32.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 04:09:01 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2968.32.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/grafo2968.32.lp
Reading time = 0.10 seconds
: 60490 rows, 1380 columns, 182488 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 60490 rows, 1380 columns and 182488 nonzeros
Model fingerprint: 0x8f6cf6b8
Variable types: 36 continuous, 1344 integer (1344 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 20994 rows and 24 columns
Presolve time: 0.41s
Presolved: 39496 rows, 1356 columns, 119742 nonzeros
Variable types: 0 continuous, 1356 integer (1320 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 27396 rows, 13456 columns, 95542 nonzeros


Root relaxation: objective 3.800000e+01, 3780 iterations, 2.36 seconds (2.45 work units)
Total elapsed time = 5.23s (DegenMoves)

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

     0     0   38.00000    0  296    6.00000   38.00000   533%     -    6s
H    0     0                      10.0000000   38.00000   280%     -    6s
H    0     0                      11.0000000   38.00000   245%     -    7s
     0     0   38.00000    0  458   11.00000   38.00000   245%     -   10s
     0     0   38.00000    0  418   11.00000   38.00000   245%     -   10s
H    0     0                      12.0000000   38.00000   217%     -   12s
H    0     0                      13.0000000   38.00000   192%     -   20s
     0     0   38.00000    0  384   13.00000   38.00000   192%     -   20s
     0     0   38.00000    0  365   13.00000   38.00000   192%     -   20s
     0     0   38.00000    0  418   13.00000   38.00000   192%     -   30s
     0     0   38.00000    0  411   13.00000   38.00000   192%     -   31s
     0     0   38.00000    0  390   13.00000   38.00000   192%     -   36s
     0     0   38.00000    0  410   13.00000   38.00000   192%     -   36s
H    0     0                      14.0000000   38.00000   171%     -   44s
     0     0   38.00000    0  520   14.00000   38.00000   171%     -   44s
     0     0   38.00000    0  490   14.00000   38.00000   171%     -   44s
     0     0   38.00000    0  461   14.00000   38.00000   171%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 11
  Clique: 11
  MIR: 98
  GUB cover: 2
  Zero half: 79
  RLT: 69
  Relax-and-lift: 1

Explored 1 nodes (61026 simplex iterations) in 50.04 seconds (47.64 work units)
Thread count was 8 (of 8 available processors)

Solution count 7: 14 13 12 ... -0

Time limit reached
Best objective 1.400000000000e+01, best bound 3.800000000000e+01, gap 171.4286%

Wrote result file './lp_solutions/grafo2968.32.sol'

