
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 04:20:11 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1698.33.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/grafo1698.33.lp
Reading time = 0.08 seconds
: 45347 rows, 1461 columns, 137099 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 45347 rows, 1461 columns and 137099 nonzeros
Model fingerprint: 0x1e88aa8b
Variable types: 37 continuous, 1424 integer (1424 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 11575 rows and 31 columns
Presolve time: 0.38s
Presolved: 33772 rows, 1430 columns, 102731 nonzeros
Variable types: 0 continuous, 1430 integer (1393 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 20546 rows, 14656 columns, 76279 nonzeros


Root relaxation: objective 4.000000e+01, 5241 iterations, 4.34 seconds (2.54 work units)
Total elapsed time = 9.50s (DegenMoves)
Total elapsed time = 11.71s (DegenMoves)

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

     0     0   40.00000    0  531    7.00000   40.00000   471%     -   13s
H    0     0                       9.0000000   40.00000   344%     -   13s
     0     0   40.00000    0  667    9.00000   40.00000   344%     -   23s
     0     0   40.00000    0  675    9.00000   40.00000   344%     -   24s
H    0     0                      10.0000000   40.00000   300%     -   38s
     0     0   39.00000    0  407   10.00000   39.00000   290%     -   38s
     0     0   39.00000    0  398   10.00000   39.00000   290%     -   38s
     0     0   39.00000    0  438   10.00000   39.00000   290%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 34
  Clique: 6
  MIR: 169
  StrongCG: 1
  GUB cover: 4
  Zero half: 32
  RLT: 64

Explored 1 nodes (46031 simplex iterations) in 50.05 seconds (33.47 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 10 9 7 2 

Time limit reached
Best objective 1.000000000000e+01, best bound 3.900000000000e+01, gap 290.0000%

Wrote result file './lp_solutions/grafo1698.33.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 11:39:20 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1698.33.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/grafo1698.33.lp
Reading time = 0.07 seconds
: 45347 rows, 1461 columns, 137099 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 45347 rows, 1461 columns and 137099 nonzeros
Model fingerprint: 0x1e88aa8b
Variable types: 37 continuous, 1424 integer (1424 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 11575 rows and 31 columns
Presolve time: 0.30s
Presolved: 33772 rows, 1430 columns, 102731 nonzeros
Variable types: 0 continuous, 1430 integer (1393 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 20546 rows, 14656 columns, 76279 nonzeros


Root relaxation: objective 4.000000e+01, 5241 iterations, 2.61 seconds (2.54 work units)
Total elapsed time = 6.51s (DegenMoves)

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

     0     0   40.00000    0  531    7.00000   40.00000   471%     -    9s
H    0     0                       9.0000000   40.00000   344%     -    9s
     0     0   40.00000    0  667    9.00000   40.00000   344%     -   16s
     0     0   40.00000    0  675    9.00000   40.00000   344%     -   17s
H    0     0                      10.0000000   40.00000   300%     -   27s
     0     0   39.00000    0  407   10.00000   39.00000   290%     -   27s
     0     0   39.00000    0  398   10.00000   39.00000   290%     -   27s
H    0     0                      11.0000000   39.00000   255%     -   35s
     0     0   39.00000    0  438   11.00000   39.00000   255%     -   35s
     0     0   39.00000    0  483   11.00000   39.00000   255%     -   36s
H    0     0                      13.0000000   39.00000   200%     -   43s
     0     0   39.00000    0  469   13.00000   39.00000   200%     -   43s
     0     0   39.00000    0  421   13.00000   39.00000   200%     -   44s
     0     0   39.00000    0  490   13.00000   39.00000   200%     -   50s

Cutting planes:
  Cover: 22
  Clique: 5
  MIR: 154
  StrongCG: 3
  GUB cover: 2
  Zero half: 26
  RLT: 64

Explored 1 nodes (68504 simplex iterations) in 50.03 seconds (47.60 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 13 11 10 ... 2

Time limit reached
Best objective 1.300000000000e+01, best bound 3.900000000000e+01, gap 200.0000%

Wrote result file './lp_solutions/grafo1698.33.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 04:42:29 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo1698.33.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/grafo1698.33.lp
Reading time = 0.08 seconds
: 45347 rows, 1461 columns, 137099 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 45347 rows, 1461 columns and 137099 nonzeros
Model fingerprint: 0x1e88aa8b
Variable types: 37 continuous, 1424 integer (1424 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 11575 rows and 31 columns
Presolve time: 0.31s
Presolved: 33772 rows, 1430 columns, 102731 nonzeros
Variable types: 0 continuous, 1430 integer (1393 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 20546 rows, 14656 columns, 76279 nonzeros


Root relaxation: objective 4.000000e+01, 5241 iterations, 2.64 seconds (2.54 work units)
Total elapsed time = 6.63s (DegenMoves)

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

     0     0   40.00000    0  531    7.00000   40.00000   471%     -    9s
H    0     0                       9.0000000   40.00000   344%     -    9s
     0     0   40.00000    0  667    9.00000   40.00000   344%     -   16s
     0     0   40.00000    0  675    9.00000   40.00000   344%     -   17s
H    0     0                      10.0000000   40.00000   300%     -   26s
     0     0   39.00000    0  407   10.00000   39.00000   290%     -   26s
     0     0   39.00000    0  398   10.00000   39.00000   290%     -   26s
H    0     0                      11.0000000   39.00000   255%     -   34s
     0     0   39.00000    0  438   11.00000   39.00000   255%     -   34s
     0     0   39.00000    0  483   11.00000   39.00000   255%     -   35s
H    0     0                      13.0000000   39.00000   200%     -   42s
     0     0   39.00000    0  469   13.00000   39.00000   200%     -   42s
     0     0   39.00000    0  421   13.00000   39.00000   200%     -   43s
     0     0   39.00000    0  434   13.00000   39.00000   200%     -   49s
     0     0          -    0        13.00000   39.00000   200%     -   50s

Cutting planes:
  Cover: 4
  Clique: 4
  MIR: 77
  StrongCG: 1
  Zero half: 6
  RLT: 36

Explored 1 nodes (69909 simplex iterations) in 50.03 seconds (48.54 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 13 11 10 ... 2

Time limit reached
Best objective 1.300000000000e+01, best bound 3.900000000000e+01, gap 200.0000%

Wrote result file './lp_solutions/grafo1698.33.sol'

