
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 06:11:37 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5301.37.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/grafo5301.37.lp
Reading time = 0.14 seconds
: 37727 rows, 1531 columns, 114199 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 37727 rows, 1531 columns and 114199 nonzeros
Model fingerprint: 0x3658dc6b
Variable types: 37 continuous, 1494 integer (1494 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 4331 rows and 36 columns
Presolve time: 0.33s
Presolved: 33396 rows, 1495 columns, 101518 nonzeros
Variable types: 0 continuous, 1495 integer (1458 binary)
Found heuristic solution: objective 3.0000000
Root relaxation presolved: 17856 rows, 17035 columns, 70438 nonzeros


Root relaxation: objective 3.200000e+01, 3137 iterations, 1.86 seconds (1.08 work units)

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

     0     0   32.00000    0  498    3.00000   32.00000   967%     -    5s
H    0     0                       4.0000000   32.00000   700%     -    5s
H    0     0                       5.0000000   32.00000   540%     -    5s
H    0     0                       6.0000000   32.00000   433%     -    7s
     0     0   32.00000    0  740    6.00000   32.00000   433%     -   13s
H    0     0                       7.0000000   32.00000   357%     -   14s
     0     0   32.00000    0  667    7.00000   32.00000   357%     -   14s
     0     0   32.00000    0  378    7.00000   32.00000   357%     -   25s
H    0     0                       8.0000000   32.00000   300%     -   26s
     0     0   32.00000    0  378    8.00000   32.00000   300%     -   26s
H    0     0                       9.0000000   32.00000   256%     -   40s
     0     0   32.00000    0  248    9.00000   32.00000   256%     -   40s
     0     0   32.00000    0  348    9.00000   32.00000   256%     -   40s
     0     0   32.00000    0  327    9.00000   32.00000   256%     -   48s
     0     0          -    0         9.00000   32.00000   256%     -   50s

Cutting planes:
  Gomory: 3
  MIR: 55
  GUB cover: 1
  RLT: 22

Explored 1 nodes (53740 simplex iterations) in 50.08 seconds (29.12 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 9 8 7 ... -0

Time limit reached
Best objective 9.000000000000e+00, best bound 3.200000000000e+01, gap 255.5556%

Wrote result file './lp_solutions/grafo5301.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 04:37:43 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5301.37.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/grafo5301.37.lp
Reading time = 0.09 seconds
: 37727 rows, 1531 columns, 114199 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 37727 rows, 1531 columns and 114199 nonzeros
Model fingerprint: 0x3658dc6b
Variable types: 37 continuous, 1494 integer (1494 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 4331 rows and 36 columns
Presolve time: 0.32s
Presolved: 33396 rows, 1495 columns, 101518 nonzeros
Variable types: 0 continuous, 1495 integer (1458 binary)
Found heuristic solution: objective 3.0000000
Root relaxation presolved: 17856 rows, 17035 columns, 70438 nonzeros


Root relaxation: objective 3.200000e+01, 3137 iterations, 1.65 seconds (1.08 work units)

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

     0     0   32.00000    0  498    3.00000   32.00000   967%     -    4s
H    0     0                       4.0000000   32.00000   700%     -    4s
H    0     0                       5.0000000   32.00000   540%     -    4s
H    0     0                       6.0000000   32.00000   433%     -    6s
     0     0   32.00000    0  740    6.00000   32.00000   433%     -   12s
H    0     0                       7.0000000   32.00000   357%     -   12s
     0     0   32.00000    0  667    7.00000   32.00000   357%     -   12s
     0     0   32.00000    0  378    7.00000   32.00000   357%     -   25s
H    0     0                       8.0000000   32.00000   300%     -   26s
     0     0   32.00000    0  378    8.00000   32.00000   300%     -   26s
H    0     0                       9.0000000   32.00000   256%     -   42s
     0     0   32.00000    0  248    9.00000   32.00000   256%     -   42s
     0     0   32.00000    0  348    9.00000   32.00000   256%     -   42s
     0     0   32.00000    0  441    9.00000   32.00000   256%     -   50s

Cutting planes:
  Gomory: 3
  Cover: 31
  MIR: 145
  GUB cover: 4
  Zero half: 51
  RLT: 52
  BQP: 1

Explored 1 nodes (49993 simplex iterations) in 50.06 seconds (27.26 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 9 8 7 ... -0

Time limit reached
Best objective 9.000000000000e+00, best bound 3.200000000000e+01, gap 255.5556%

Wrote result file './lp_solutions/grafo5301.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 20 05:40:35 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5301.37.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/grafo5301.37.lp
Reading time = 0.07 seconds
: 37727 rows, 1531 columns, 114199 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 37727 rows, 1531 columns and 114199 nonzeros
Model fingerprint: 0x3658dc6b
Variable types: 37 continuous, 1494 integer (1494 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 4331 rows and 36 columns
Presolve time: 0.27s
Presolved: 33396 rows, 1495 columns, 101518 nonzeros
Variable types: 0 continuous, 1495 integer (1458 binary)
Found heuristic solution: objective 3.0000000
Root relaxation presolved: 17856 rows, 17035 columns, 70438 nonzeros


Root relaxation: objective 3.200000e+01, 3137 iterations, 1.51 seconds (1.08 work units)

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

     0     0   32.00000    0  498    3.00000   32.00000   967%     -    4s
H    0     0                       4.0000000   32.00000   700%     -    4s
H    0     0                       5.0000000   32.00000   540%     -    4s
H    0     0                       6.0000000   32.00000   433%     -    5s
     0     0   32.00000    0  740    6.00000   32.00000   433%     -   10s
H    0     0                       7.0000000   32.00000   357%     -   10s
     0     0   32.00000    0  667    7.00000   32.00000   357%     -   11s
     0     0   32.00000    0  378    7.00000   32.00000   357%     -   20s
H    0     0                       8.0000000   32.00000   300%     -   20s
     0     0   32.00000    0  378    8.00000   32.00000   300%     -   20s
H    0     0                       9.0000000   32.00000   256%     -   32s
     0     0   32.00000    0  248    9.00000   32.00000   256%     -   32s
     0     0   32.00000    0  348    9.00000   32.00000   256%     -   33s
     0     0   32.00000    0  327    9.00000   32.00000   256%     -   39s
     0     0   32.00000    0  427    9.00000   32.00000   256%     -   40s
     0     0   32.00000    0  268    9.00000   32.00000   256%     -   46s
     0     0   32.00000    0  310    9.00000   32.00000   256%     -   46s
     0     0   32.00000    0  426    9.00000   32.00000   256%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 31
  MIR: 131
  GUB cover: 3
  Zero half: 48
  RLT: 48
  BQP: 1

Explored 1 nodes (67715 simplex iterations) in 50.03 seconds (35.63 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 9 8 7 ... -0

Time limit reached
Best objective 9.000000000000e+00, best bound 3.200000000000e+01, gap 255.5556%

Wrote result file './lp_solutions/grafo5301.37.sol'

