
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 06:24:17 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3681.38.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/grafo3681.38.lp
Reading time = 0.10 seconds
: 54003 rows, 2010 columns, 163725 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 54003 rows, 2010 columns and 163725 nonzeros
Model fingerprint: 0xef3a8d99
Variable types: 46 continuous, 1964 integer (1964 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]
Presolve removed 4414 rows and 10 columns
Presolve time: 0.50s
Presolved: 49589 rows, 2000 columns, 150753 nonzeros
Variable types: 0 continuous, 2000 integer (1954 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 25973 rows, 25616 columns, 103521 nonzeros


Root relaxation: objective 4.200000e+01, 3744 iterations, 3.00 seconds (1.69 work units)
Total elapsed time = 9.07s (DegenMoves)
Total elapsed time = 10.00s (DegenMoves)

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

     0     0   42.00000    0  714    6.00000   42.00000   600%     -   10s
H    0     0                       7.0000000   42.00000   500%     -   10s
H    0     0                       8.0000000   42.00000   425%     -   10s
     0     0   42.00000    0  963    8.00000   42.00000   425%     -   29s
H    0     0                      11.0000000   42.00000   282%     -   29s
     0     0   42.00000    0  919   11.00000   42.00000   282%     -   34s
     0     0   42.00000    0  933   11.00000   42.00000   282%     -   50s

Cutting planes:
  Gomory: 3
  Cover: 8
  Clique: 2
  MIR: 155
  Zero half: 74
  RLT: 85
  BQP: 2
  PSD: 2

Explored 1 nodes (31440 simplex iterations) in 50.09 seconds (29.07 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 11 8 7 6 

Time limit reached
Best objective 1.100000000000e+01, best bound 4.200000000000e+01, gap 281.8182%

Wrote result file './lp_solutions/grafo3681.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 09:23:01 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3681.38.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/grafo3681.38.lp
Reading time = 0.09 seconds
: 54003 rows, 2010 columns, 163725 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 54003 rows, 2010 columns and 163725 nonzeros
Model fingerprint: 0xef3a8d99
Variable types: 46 continuous, 1964 integer (1964 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]
Presolve removed 4414 rows and 10 columns
Presolve time: 0.31s
Presolved: 49589 rows, 2000 columns, 150753 nonzeros
Variable types: 0 continuous, 2000 integer (1954 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 25973 rows, 25616 columns, 103521 nonzeros


Root relaxation: objective 4.200000e+01, 3744 iterations, 1.91 seconds (1.69 work units)
Total elapsed time = 6.17s (DegenMoves)

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

     0     0   42.00000    0  714    6.00000   42.00000   600%     -    7s
H    0     0                       7.0000000   42.00000   500%     -    7s
H    0     0                       8.0000000   42.00000   425%     -    7s
     0     0   42.00000    0  963    8.00000   42.00000   425%     -   21s
H    0     0                      11.0000000   42.00000   282%     -   21s
     0     0   42.00000    0  919   11.00000   42.00000   282%     -   25s
     0     0   42.00000    0  933   11.00000   42.00000   282%     -   50s

Cutting planes:
  Gomory: 3
  Cover: 8
  Clique: 2
  MIR: 155
  Zero half: 74
  RLT: 85
  BQP: 2
  PSD: 2

Explored 1 nodes (40827 simplex iterations) in 50.07 seconds (38.06 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 11 8 7 6 

Time limit reached
Best objective 1.100000000000e+01, best bound 4.200000000000e+01, gap 281.8182%

Wrote result file './lp_solutions/grafo3681.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 02:18:22 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo3681.38.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/grafo3681.38.lp
Reading time = 0.09 seconds
: 54003 rows, 2010 columns, 163725 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 54003 rows, 2010 columns and 163725 nonzeros
Model fingerprint: 0xef3a8d99
Variable types: 46 continuous, 1964 integer (1964 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]
Presolve removed 4414 rows and 10 columns
Presolve time: 0.29s
Presolved: 49589 rows, 2000 columns, 150753 nonzeros
Variable types: 0 continuous, 2000 integer (1954 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 25973 rows, 25616 columns, 103521 nonzeros


Root relaxation: objective 4.200000e+01, 3744 iterations, 1.83 seconds (1.69 work units)
Total elapsed time = 5.99s (DegenMoves)

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

     0     0   42.00000    0  714    6.00000   42.00000   600%     -    6s
H    0     0                       7.0000000   42.00000   500%     -    7s
H    0     0                       8.0000000   42.00000   425%     -    7s
     0     0   42.00000    0  963    8.00000   42.00000   425%     -   20s
H    0     0                      11.0000000   42.00000   282%     -   20s
     0     0   42.00000    0  919   11.00000   42.00000   282%     -   23s
     0     0   42.00000    0  933   11.00000   42.00000   282%     -   50s

Cutting planes:
  Gomory: 3
  Cover: 8
  Clique: 2
  MIR: 155
  Zero half: 74
  RLT: 85
  BQP: 2
  PSD: 2

Explored 1 nodes (44066 simplex iterations) in 50.06 seconds (40.69 work units)
Thread count was 8 (of 8 available processors)

Solution count 4: 11 8 7 6 

Time limit reached
Best objective 1.100000000000e+01, best bound 4.200000000000e+01, gap 281.8182%

Wrote result file './lp_solutions/grafo3681.38.sol'

