
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 04:32:44 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2008.33.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/grafo2008.33.lp
Reading time = 0.11 seconds
: 49136 rows, 1497 columns, 148552 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 49136 rows, 1497 columns and 148552 nonzeros
Model fingerprint: 0x0666faf0
Variable types: 38 continuous, 1459 integer (1459 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 1.0000000
Presolve removed 12650 rows and 27 columns
Presolve time: 0.48s
Presolved: 36486 rows, 1470 columns, 111070 nonzeros
Variable types: 0 continuous, 1470 integer (1432 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 22594 rows, 15362 columns, 83286 nonzeros


Root relaxation: objective 3.500000e+01, 2727 iterations, 1.49 seconds (1.07 work units)
Total elapsed time = 5.22s (DegenMoves)

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

     0     0   35.00000    0  354    7.00000   35.00000   400%     -    5s
H    0     0                       8.0000000   35.00000   338%     -    7s
     0     0   35.00000    0  566    8.00000   35.00000   338%     -   11s
     0     0   35.00000    0  512    8.00000   35.00000   338%     -   12s
H    0     0                       9.0000000   35.00000   289%     -   27s
     0     0   35.00000    0  575    9.00000   35.00000   289%     -   27s
     0     0   35.00000    0  572    9.00000   35.00000   289%     -   30s
H    0     0                      10.0000000   35.00000   250%     -   46s
     0     0   35.00000    0  582   10.00000   35.00000   250%     -   46s
     0     0   35.00000    0  539   10.00000   35.00000   250%     -   48s
     0     0          -    0        10.00000   35.00000   250%     -   50s

Cutting planes:
  Lift-and-project: 1
  Cover: 25
  MIR: 135
  Zero half: 34
  RLT: 53
  Relax-and-lift: 1

Explored 1 nodes (43976 simplex iterations) in 50.06 seconds (31.14 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 10 9 8 ... 1

Time limit reached
Best objective 1.000000000000e+01, best bound 3.500000000000e+01, gap 250.0000%

Wrote result file './lp_solutions/grafo2008.33.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 11:41:01 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2008.33.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/grafo2008.33.lp
Reading time = 0.08 seconds
: 49136 rows, 1497 columns, 148552 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 49136 rows, 1497 columns and 148552 nonzeros
Model fingerprint: 0x0666faf0
Variable types: 38 continuous, 1459 integer (1459 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 1.0000000
Presolve removed 12650 rows and 27 columns
Presolve time: 0.33s
Presolved: 36486 rows, 1470 columns, 111070 nonzeros
Variable types: 0 continuous, 1470 integer (1432 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 22594 rows, 15362 columns, 83286 nonzeros


Root relaxation: objective 3.500000e+01, 2727 iterations, 1.02 seconds (1.07 work units)

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

     0     0   35.00000    0  354    7.00000   35.00000   400%     -    4s
H    0     0                       8.0000000   35.00000   338%     -    4s
     0     0   35.00000    0  566    8.00000   35.00000   338%     -    7s
     0     0   35.00000    0  512    8.00000   35.00000   338%     -    8s
H    0     0                       9.0000000   35.00000   289%     -   18s
     0     0   35.00000    0  575    9.00000   35.00000   289%     -   18s
     0     0   35.00000    0  572    9.00000   35.00000   289%     -   20s
H    0     0                      10.0000000   35.00000   250%     -   32s
     0     0   35.00000    0  582   10.00000   35.00000   250%     -   32s
     0     0   35.00000    0  539   10.00000   35.00000   250%     -   33s
     0     0   35.00000    0  559   10.00000   35.00000   250%     -   50s

Cutting planes:
  Lift-and-project: 1
  Cover: 25
  MIR: 135
  Zero half: 34
  RLT: 53
  Relax-and-lift: 1

Explored 1 nodes (63370 simplex iterations) in 50.03 seconds (46.29 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 10 9 8 ... 1

Time limit reached
Best objective 1.000000000000e+01, best bound 3.500000000000e+01, gap 250.0000%

Wrote result file './lp_solutions/grafo2008.33.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 04:44:09 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo2008.33.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/grafo2008.33.lp
Reading time = 0.09 seconds
: 49136 rows, 1497 columns, 148552 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 49136 rows, 1497 columns and 148552 nonzeros
Model fingerprint: 0x0666faf0
Variable types: 38 continuous, 1459 integer (1459 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 1.0000000
Presolve removed 12650 rows and 27 columns
Presolve time: 0.33s
Presolved: 36486 rows, 1470 columns, 111070 nonzeros
Variable types: 0 continuous, 1470 integer (1432 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 22594 rows, 15362 columns, 83286 nonzeros


Root relaxation: objective 3.500000e+01, 2727 iterations, 1.05 seconds (1.07 work units)

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

     0     0   35.00000    0  354    7.00000   35.00000   400%     -    4s
H    0     0                       8.0000000   35.00000   338%     -    4s
     0     0   35.00000    0  566    8.00000   35.00000   338%     -    7s
     0     0   35.00000    0  512    8.00000   35.00000   338%     -    8s
H    0     0                       9.0000000   35.00000   289%     -   18s
     0     0   35.00000    0  575    9.00000   35.00000   289%     -   19s
     0     0   35.00000    0  572    9.00000   35.00000   289%     -   20s
H    0     0                      10.0000000   35.00000   250%     -   32s
     0     0   35.00000    0  582   10.00000   35.00000   250%     -   32s
     0     0   35.00000    0  539   10.00000   35.00000   250%     -   33s
     0     0   35.00000    0  503   10.00000   35.00000   250%     -   48s
     0     0          -    0        10.00000   35.00000   250%     -   50s

Cutting planes:
  Gomory: 2
  Lift-and-project: 1
  Cover: 3
  MIR: 82
  Zero half: 11
  RLT: 37

Explored 1 nodes (65184 simplex iterations) in 50.04 seconds (47.80 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 10 9 8 ... 1

Time limit reached
Best objective 1.000000000000e+01, best bound 3.500000000000e+01, gap 250.0000%

Wrote result file './lp_solutions/grafo2008.33.sol'

