
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 08:07:26 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5562.38.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/grafo5562.38.lp
Reading time = 0.19 seconds
: 84196 rows, 1797 columns, 253902 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 84196 rows, 1797 columns and 253902 nonzeros
Model fingerprint: 0x84495915
Variable types: 40 continuous, 1757 integer (1757 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 28050 rows and 28 columns
Presolve time: 0.96s
Presolved: 56146 rows, 1769 columns, 170111 nonzeros
Variable types: 0 continuous, 1769 integer (1729 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 1766 rows, 57912 columns, 171880 nonzeros


Root relaxation: objective 4.200000e+01, 2370 iterations, 1.00 seconds (0.80 work units)
Total elapsed time = 10.14s (DegenMoves)

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

     0     0   42.00000    0  517    6.00000   42.00000   600%     -   13s
H    0     0                       8.0000000   42.00000   425%     -   13s
H    0     0                      11.0000000   42.00000   282%     -   13s
     0     0   42.00000    0  615   11.00000   42.00000   282%     -   25s
H    0     0                      12.0000000   42.00000   250%     -   25s
     0     0   42.00000    0  591   12.00000   42.00000   250%     -   26s
     0     0   41.96667    0  496   12.00000   41.96667   250%     -   50s

Cutting planes:
  Gomory: 5
  Lift-and-project: 48
  Cover: 18
  Clique: 13
  MIR: 133
  StrongCG: 2
  GUB cover: 6
  Zero half: 32
  RLT: 52
  BQP: 2

Explored 1 nodes (34400 simplex iterations) in 50.09 seconds (35.06 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 12 11 8 ... 2

Time limit reached
Best objective 1.200000000000e+01, best bound 4.100000000000e+01, gap 241.6667%

Wrote result file './lp_solutions/grafo5562.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 09:36:26 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5562.38.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/grafo5562.38.lp
Reading time = 0.15 seconds
: 84196 rows, 1797 columns, 253902 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 84196 rows, 1797 columns and 253902 nonzeros
Model fingerprint: 0x84495915
Variable types: 40 continuous, 1757 integer (1757 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 28050 rows and 28 columns
Presolve time: 0.68s
Presolved: 56146 rows, 1769 columns, 170111 nonzeros
Variable types: 0 continuous, 1769 integer (1729 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 1766 rows, 57912 columns, 171880 nonzeros


Root relaxation: objective 4.200000e+01, 2370 iterations, 0.75 seconds (0.80 work units)
Total elapsed time = 8.64s (DegenMoves)
Total elapsed time = 10.38s (DegenMoves)

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

     0     0   42.00000    0  517    6.00000   42.00000   600%     -   11s
H    0     0                       8.0000000   42.00000   425%     -   11s
H    0     0                      11.0000000   42.00000   282%     -   11s
     0     0   42.00000    0  615   11.00000   42.00000   282%     -   20s
H    0     0                      12.0000000   42.00000   250%     -   21s
     0     0   42.00000    0  591   12.00000   42.00000   250%     -   21s
     0     0   41.96667    0  400   12.00000   41.96667   250%     -   45s
     0     0   41.96667    0  510   12.00000   41.96667   250%     -   47s
     0     0          -    0        12.00000   41.96667   250%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 39
  Clique: 10
  MIR: 145
  GUB cover: 4
  Zero half: 89
  RLT: 72
  BQP: 5

Explored 1 nodes (40408 simplex iterations) in 50.07 seconds (42.47 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 12 11 8 ... 2

Time limit reached
Best objective 1.200000000000e+01, best bound 4.100000000000e+01, gap 241.6667%

Wrote result file './lp_solutions/grafo5562.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 02:31:46 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5562.38.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/grafo5562.38.lp
Reading time = 0.14 seconds
: 84196 rows, 1797 columns, 253902 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 84196 rows, 1797 columns and 253902 nonzeros
Model fingerprint: 0x84495915
Variable types: 40 continuous, 1757 integer (1757 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 28050 rows and 28 columns
Presolve time: 0.61s
Presolved: 56146 rows, 1769 columns, 170111 nonzeros
Variable types: 0 continuous, 1769 integer (1729 binary)
Found heuristic solution: objective 6.0000000
Root relaxation presolved: 1766 rows, 57912 columns, 171880 nonzeros


Root relaxation: objective 4.200000e+01, 2370 iterations, 0.70 seconds (0.80 work units)
Total elapsed time = 7.54s (DegenMoves)

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

     0     0   42.00000    0  517    6.00000   42.00000   600%     -   10s
H    0     0                       8.0000000   42.00000   425%     -   10s
H    0     0                      11.0000000   42.00000   282%     -   10s
     0     0   42.00000    0  615   11.00000   42.00000   282%     -   17s
H    0     0                      12.0000000   42.00000   250%     -   18s
     0     0   42.00000    0  591   12.00000   42.00000   250%     -   18s
     0     0   41.96667    0  400   12.00000   41.96667   250%     -   38s
     0     0   41.96667    0  510   12.00000   41.96667   250%     -   40s
     0     0   41.96667    0  683   12.00000   41.96667   250%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 39
  Clique: 10
  MIR: 145
  GUB cover: 4
  Zero half: 89
  RLT: 72
  BQP: 5

Explored 1 nodes (47061 simplex iterations) in 50.07 seconds (49.08 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 12 11 8 ... 2

Time limit reached
Best objective 1.200000000000e+01, best bound 4.100000000000e+01, gap 241.6667%

Wrote result file './lp_solutions/grafo5562.38.sol'

