
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 07:17:11 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6325.42.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/grafo6325.42.lp
Reading time = 0.13 seconds
: 61776 rows, 2175 columns, 187096 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 61776 rows, 2175 columns and 187096 nonzeros
Model fingerprint: 0xcda54645
Variable types: 47 continuous, 2128 integer (2128 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 4121 rows and 1 columns
Presolve time: 0.51s
Presolved: 57655 rows, 2174 columns, 175031 nonzeros
Variable types: 0 continuous, 2174 integer (2127 binary)
Found heuristic solution: objective 2.0000000
Root relaxation presolved: 29960 rows, 29869 columns, 119641 nonzeros


Root relaxation: objective 3.600000e+01, 2768 iterations, 1.80 seconds (1.00 work units)
Total elapsed time = 6.88s (DegenMoves)

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

     0     0   36.00000    0  524    2.00000   36.00000  1700%     -    7s
H    0     0                      11.0000000   36.00000   227%     -    7s
H    0     0                      12.0000000   36.00000   200%     -    7s
     0     0   36.00000    0  855   12.00000   36.00000   200%     -   19s
     0     0   36.00000    0  847   12.00000   36.00000   200%     -   20s
     0     0   36.00000    0  767   12.00000   36.00000   200%     -   50s

Cutting planes:
  Gomory: 3
  Lift-and-project: 22
  Cover: 13
  MIR: 106
  Zero half: 35
  RLT: 59

Explored 1 nodes (32098 simplex iterations) in 50.08 seconds (29.49 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 12 11 2 

Time limit reached
Best objective 1.200000000000e+01, best bound 3.600000000000e+01, gap 200.0000%

Wrote result file './lp_solutions/grafo6325.42.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 05:04:32 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6325.42.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/grafo6325.42.lp
Reading time = 0.13 seconds
: 61776 rows, 2175 columns, 187096 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 61776 rows, 2175 columns and 187096 nonzeros
Model fingerprint: 0xcda54645
Variable types: 47 continuous, 2128 integer (2128 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 4121 rows and 1 columns
Presolve time: 0.47s
Presolved: 57655 rows, 2174 columns, 175031 nonzeros
Variable types: 0 continuous, 2174 integer (2127 binary)
Found heuristic solution: objective 2.0000000
Root relaxation presolved: 29960 rows, 29869 columns, 119641 nonzeros


Root relaxation: objective 3.600000e+01, 2768 iterations, 1.56 seconds (1.00 work units)
Total elapsed time = 6.72s (DegenMoves)

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

     0     0   36.00000    0  524    2.00000   36.00000  1700%     -    7s
H    0     0                      11.0000000   36.00000   227%     -    7s
H    0     0                      12.0000000   36.00000   200%     -    7s
     0     0   36.00000    0  855   12.00000   36.00000   200%     -   19s
     0     0   36.00000    0  847   12.00000   36.00000   200%     -   19s
     0     0   36.00000    0  767   12.00000   36.00000   200%     -   50s

Cutting planes:
  Gomory: 3
  Lift-and-project: 22
  Cover: 13
  MIR: 106
  Zero half: 35
  RLT: 59

Explored 1 nodes (29930 simplex iterations) in 50.10 seconds (26.24 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 12 11 2 

Time limit reached
Best objective 1.200000000000e+01, best bound 3.600000000000e+01, gap 200.0000%

Wrote result file './lp_solutions/grafo6325.42.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 20 06:07:22 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6325.42.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/grafo6325.42.lp
Reading time = 0.11 seconds
: 61776 rows, 2175 columns, 187096 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 61776 rows, 2175 columns and 187096 nonzeros
Model fingerprint: 0xcda54645
Variable types: 47 continuous, 2128 integer (2128 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 4121 rows and 1 columns
Presolve time: 0.40s
Presolved: 57655 rows, 2174 columns, 175031 nonzeros
Variable types: 0 continuous, 2174 integer (2127 binary)
Found heuristic solution: objective 2.0000000
Root relaxation presolved: 29960 rows, 29869 columns, 119641 nonzeros


Root relaxation: objective 3.600000e+01, 2768 iterations, 1.33 seconds (1.00 work units)
Total elapsed time = 5.69s (DegenMoves)

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

     0     0   36.00000    0  524    2.00000   36.00000  1700%     -    6s
H    0     0                      11.0000000   36.00000   227%     -    6s
H    0     0                      12.0000000   36.00000   200%     -    6s
     0     0   36.00000    0  855   12.00000   36.00000   200%     -   15s
     0     0   36.00000    0  847   12.00000   36.00000   200%     -   16s
     0     0   36.00000    0  750   12.00000   36.00000   200%     -   50s

Cutting planes:
  Gomory: 3
  Lift-and-project: 22
  Cover: 13
  MIR: 106
  Zero half: 35
  RLT: 59

Explored 1 nodes (38021 simplex iterations) in 50.06 seconds (37.65 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 12 11 2 

Time limit reached
Best objective 1.200000000000e+01, best bound 3.600000000000e+01, gap 200.0000%

Wrote result file './lp_solutions/grafo6325.42.sol'

