
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 04:40:17 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo208.38.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/grafo208.38.lp
Reading time = 0.17 seconds
: 82668 rows, 1907 columns, 249559 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 82668 rows, 1907 columns and 249559 nonzeros
Model fingerprint: 0x29112e14
Variable types: 43 continuous, 1864 integer (1864 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 23397 rows and 21 columns
Presolve time: 0.85s
Presolved: 59271 rows, 1886 columns, 179617 nonzeros
Variable types: 0 continuous, 1886 integer (1843 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 1883 rows, 61154 columns, 181503 nonzeros


Root relaxation: objective 4.300000e+01, 2728 iterations, 1.29 seconds (0.98 work units)
Total elapsed time = 10.96s (DegenMoves)

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

     0     0   43.00000    0  549   10.00000   43.00000   330%     -   11s
H    0     0                      11.0000000   43.00000   291%     -   11s
H    0     0                      12.0000000   43.00000   258%     -   42s
     0     0   43.00000    0 1029   12.00000   43.00000   258%     -   42s
     0     0   43.00000    0  970   12.00000   43.00000   258%     -   44s
     0     0          -    0        12.00000   43.00000   258%     -   50s

Cutting planes:
  Gomory: 7
  Cover: 9
  Clique: 19
  MIR: 125
  StrongCG: 1
  Zero half: 82
  RLT: 61
  BQP: 6

Explored 1 nodes (24441 simplex iterations) in 50.08 seconds (30.04 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 12 11 10 

Time limit reached
Best objective 1.200000000000e+01, best bound 4.300000000000e+01, gap 258.3333%

Wrote result file './lp_solutions/grafo208.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 09:13:48 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo208.38.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/grafo208.38.lp
Reading time = 0.14 seconds
: 82668 rows, 1907 columns, 249559 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 82668 rows, 1907 columns and 249559 nonzeros
Model fingerprint: 0x29112e14
Variable types: 43 continuous, 1864 integer (1864 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 23397 rows and 21 columns
Presolve time: 0.61s
Presolved: 59271 rows, 1886 columns, 179617 nonzeros
Variable types: 0 continuous, 1886 integer (1843 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 1883 rows, 61154 columns, 181503 nonzeros


Root relaxation: objective 4.300000e+01, 2728 iterations, 0.83 seconds (0.98 work units)
Total elapsed time = 8.47s (DegenMoves)

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

     0     0   43.00000    0  549   10.00000   43.00000   330%     -    8s
H    0     0                      11.0000000   43.00000   291%     -    8s
H    0     0                      12.0000000   43.00000   258%     -   32s
     0     0   43.00000    0 1029   12.00000   43.00000   258%     -   32s
     0     0   43.00000    0  970   12.00000   43.00000   258%     -   33s
     0     0   43.00000    0  959   12.00000   43.00000   258%     -   50s

Cutting planes:
  Gomory: 7
  Cover: 9
  Clique: 19
  MIR: 125
  StrongCG: 1
  Zero half: 82
  RLT: 61
  BQP: 6

Explored 1 nodes (34429 simplex iterations) in 50.07 seconds (41.46 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 12 11 10 

Time limit reached
Best objective 1.200000000000e+01, best bound 4.300000000000e+01, gap 258.3333%

Wrote result file './lp_solutions/grafo208.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 02:09:09 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo208.38.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/grafo208.38.lp
Reading time = 0.13 seconds
: 82668 rows, 1907 columns, 249559 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 82668 rows, 1907 columns and 249559 nonzeros
Model fingerprint: 0x29112e14
Variable types: 43 continuous, 1864 integer (1864 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 23397 rows and 21 columns
Presolve time: 0.57s
Presolved: 59271 rows, 1886 columns, 179617 nonzeros
Variable types: 0 continuous, 1886 integer (1843 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 1883 rows, 61154 columns, 181503 nonzeros


Root relaxation: objective 4.300000e+01, 2728 iterations, 0.84 seconds (0.98 work units)
Total elapsed time = 8.29s (DegenMoves)

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

     0     0   43.00000    0  549   10.00000   43.00000   330%     -    8s
H    0     0                      11.0000000   43.00000   291%     -    8s
H    0     0                      12.0000000   43.00000   258%     -   31s
     0     0   43.00000    0 1029   12.00000   43.00000   258%     -   31s
     0     0   43.00000    0  970   12.00000   43.00000   258%     -   32s
     0     0   43.00000    0  959   12.00000   43.00000   258%     -   50s

Cutting planes:
  Gomory: 7
  Cover: 9
  Clique: 19
  MIR: 125
  StrongCG: 1
  Zero half: 82
  RLT: 61
  BQP: 6

Explored 1 nodes (35807 simplex iterations) in 50.08 seconds (42.55 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 12 11 10 

Time limit reached
Best objective 1.200000000000e+01, best bound 4.300000000000e+01, gap 258.3333%

Wrote result file './lp_solutions/grafo208.38.sol'

