
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 07:25:34 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6595.38.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/grafo6595.38.lp
Reading time = 0.16 seconds
: 71287 rows, 2236 columns, 215896 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 71287 rows, 2236 columns and 215896 nonzeros
Model fingerprint: 0x52ada271
Variable types: 50 continuous, 2186 integer (2186 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 -0.0000000
Presolve removed 9658 rows and 0 columns
Presolve time: 0.64s
Presolved: 61629 rows, 2236 columns, 187237 nonzeros
Variable types: 0 continuous, 2236 integer (2186 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 2197 rows, 63826 columns, 189473 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   18324    5.2928998e+01   0.000000e+00   2.280659e+04      5s
   35895    5.2921871e+01   0.000000e+00   2.147608e+02     10s
   45285    5.3000000e+01   0.000000e+00   0.000000e+00     13s
   45285    5.3000000e+01   0.000000e+00   0.000000e+00     13s
   45285    5.3000000e+01   0.000000e+00   0.000000e+00     13s

Root relaxation: objective 5.300000e+01, 45285 iterations, 12.22 seconds (7.25 work units)
Total elapsed time = 28.94s (DegenMoves)
Total elapsed time = 32.31s (DegenMoves)

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

     0     0   53.00000    0  686    5.00000   53.00000   960%     -   34s
H    0     0                       7.0000000   53.00000   657%     -   34s
     0     0          -    0         7.00000   53.00000   657%     -   50s

Cutting planes:
  Gomory: 41
  Cover: 46
  MIR: 158
  Zero half: 84
  RLT: 50

Explored 1 nodes (69207 simplex iterations) in 50.13 seconds (32.98 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 7 5 -0 

Time limit reached
Best objective 7.000000000000e+00, best bound 5.300000000000e+01, gap 657.1429%

Wrote result file './lp_solutions/grafo6595.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 04:47:46 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6595.38.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/grafo6595.38.lp
Reading time = 0.23 seconds
: 71287 rows, 2236 columns, 215896 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 71287 rows, 2236 columns and 215896 nonzeros
Model fingerprint: 0x52ada271
Variable types: 50 continuous, 2186 integer (2186 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 -0.0000000
Presolve removed 9658 rows and 0 columns
Presolve time: 0.71s
Presolved: 61629 rows, 2236 columns, 187237 nonzeros
Variable types: 0 continuous, 2236 integer (2186 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 2197 rows, 63826 columns, 189473 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   14868    5.2932924e+01   0.000000e+00   3.691793e+04      5s
   32151    5.2922491e+01   0.000000e+00   1.088794e+03     10s
   45285    5.3000000e+01   0.000000e+00   0.000000e+00     14s
   45285    5.3000000e+01   0.000000e+00   0.000000e+00     14s
   45285    5.3000000e+01   0.000000e+00   0.000000e+00     14s

Root relaxation: objective 5.300000e+01, 45285 iterations, 13.56 seconds (7.25 work units)
Total elapsed time = 31.10s (DegenMoves)
Total elapsed time = 35.48s (DegenMoves)

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

     0     0   53.00000    0  686    5.00000   53.00000   960%     -   36s
H    0     0                       7.0000000   53.00000   657%     -   36s
     0     0          -    0         7.00000   53.00000   657%     -   50s

Cutting planes:
  Gomory: 41
  Cover: 46
  MIR: 158
  Zero half: 84
  RLT: 50

Explored 1 nodes (67418 simplex iterations) in 50.17 seconds (30.90 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 7 5 -0 

Time limit reached
Best objective 7.000000000000e+00, best bound 5.300000000000e+01, gap 657.1429%

Wrote result file './lp_solutions/grafo6595.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 20 05:50:37 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6595.38.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/grafo6595.38.lp
Reading time = 0.16 seconds
: 71287 rows, 2236 columns, 215896 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 71287 rows, 2236 columns and 215896 nonzeros
Model fingerprint: 0x52ada271
Variable types: 50 continuous, 2186 integer (2186 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 -0.0000000
Presolve removed 9658 rows and 0 columns
Presolve time: 0.47s
Presolved: 61629 rows, 2236 columns, 187237 nonzeros
Variable types: 0 continuous, 2236 integer (2186 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 2197 rows, 63826 columns, 189473 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   20052    5.2927513e+01   0.000000e+00   1.260533e+04      5s
   38775    5.2921597e+01   0.000000e+00   2.887207e+02     10s
   45285    5.3000000e+01   0.000000e+00   0.000000e+00     12s
   45285    5.3000000e+01   0.000000e+00   0.000000e+00     12s
   45285    5.3000000e+01   0.000000e+00   0.000000e+00     12s

Root relaxation: objective 5.300000e+01, 45285 iterations, 11.18 seconds (7.25 work units)
Total elapsed time = 25.71s (DegenMoves)
Total elapsed time = 30.14s (DegenMoves)

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

     0     0   53.00000    0  686    5.00000   53.00000   960%     -   30s
H    0     0                       7.0000000   53.00000   657%     -   30s
     0     0   53.00000    0  837    7.00000   53.00000   657%     -   45s
     0     0          -    0         7.00000   53.00000   657%     -   50s

Cutting planes:
  Gomory: 4
  Cover: 4
  MIR: 100
  Zero half: 17
  RLT: 45

Explored 1 nodes (72056 simplex iterations) in 50.06 seconds (36.97 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 7 5 -0 

Time limit reached
Best objective 7.000000000000e+00, best bound 5.300000000000e+01, gap 657.1429%

Wrote result file './lp_solutions/grafo6595.38.sol'

