
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 11:04:34 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10618.38.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/grafo10618.38.lp
Reading time = 0.17 seconds
: 95701 rows, 2300 columns, 289200 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 95701 rows, 2300 columns and 289200 nonzeros
Model fingerprint: 0x1d613f39
Variable types: 50 continuous, 2250 integer (2250 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 23151 rows and 36 columns
Presolve time: 0.73s
Presolved: 72550 rows, 2264 columns, 220282 nonzeros
Variable types: 0 continuous, 2264 integer (2214 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 2258 rows, 74808 columns, 222546 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   19131    5.0778206e+01   0.000000e+00   2.737404e+04      5s
   36047    5.1000000e+01   0.000000e+00   0.000000e+00     10s
   36047    5.1000000e+01   0.000000e+00   0.000000e+00     10s
   36047    5.1000000e+01   0.000000e+00   0.000000e+00     10s

Root relaxation: objective 5.100000e+01, 36047 iterations, 8.84 seconds (5.59 work units)
Total elapsed time = 22.39s (DegenMoves)

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

     0     0   51.00000    0  730    5.00000   51.00000   920%     -   50s

Explored 1 nodes (69244 simplex iterations) in 50.02 seconds (57.63 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 5 -0 

Time limit reached
Best objective 5.000000000000e+00, best bound 5.100000000000e+01, gap 920.0000%

Wrote result file './lp_solutions/grafo10618.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 02:10:29 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10618.38.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/grafo10618.38.lp
Reading time = 0.24 seconds
: 95701 rows, 2300 columns, 289200 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 95701 rows, 2300 columns and 289200 nonzeros
Model fingerprint: 0x1d613f39
Variable types: 50 continuous, 2250 integer (2250 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 23151 rows and 36 columns
Presolve time: 1.00s
Presolved: 72550 rows, 2264 columns, 220282 nonzeros
Variable types: 0 continuous, 2264 integer (2214 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 2258 rows, 74808 columns, 222546 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   16227    5.0789744e+01   0.000000e+00   5.073840e+04      5s
   34014    5.0761105e+01   0.000000e+00   9.341872e+02     10s
   36047    5.1000000e+01   0.000000e+00   0.000000e+00     11s
   36047    5.1000000e+01   0.000000e+00   0.000000e+00     11s
   36047    5.1000000e+01   0.000000e+00   0.000000e+00     11s

Root relaxation: objective 5.100000e+01, 36047 iterations, 9.73 seconds (5.59 work units)
Total elapsed time = 25.11s (DegenMoves)

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

     0     0   51.00000    0  730    5.00000   51.00000   920%     -   50s

Explored 1 nodes (66130 simplex iterations) in 50.03 seconds (50.68 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 5 -0 

Time limit reached
Best objective 5.000000000000e+00, best bound 5.100000000000e+01, gap 920.0000%

Wrote result file './lp_solutions/grafo10618.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 09:06:15 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10618.38.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/grafo10618.38.lp
Reading time = 0.16 seconds
: 95701 rows, 2300 columns, 289200 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 95701 rows, 2300 columns and 289200 nonzeros
Model fingerprint: 0x1d613f39
Variable types: 50 continuous, 2250 integer (2250 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 23151 rows and 36 columns
Presolve time: 0.68s
Presolved: 72550 rows, 2264 columns, 220282 nonzeros
Variable types: 0 continuous, 2264 integer (2214 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 2258 rows, 74808 columns, 222546 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   23124    5.0769769e+01   0.000000e+00   1.654047e+04      5s
   36047    5.1000000e+01   0.000000e+00   0.000000e+00      8s
   36047    5.1000000e+01   0.000000e+00   0.000000e+00      8s
   36047    5.1000000e+01   0.000000e+00   0.000000e+00      8s

Root relaxation: objective 5.100000e+01, 36047 iterations, 7.04 seconds (5.59 work units)
Total elapsed time = 19.13s (DegenMoves)
Total elapsed time = 20.17s (DegenMoves)

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

     0     0   51.00000    0  730    5.00000   51.00000   920%     -   44s
H    0     0                      10.0000000   51.00000   410%     -   44s
     0     0          -    0        10.00000   51.00000   410%     -   50s

Cutting planes:
  Gomory: 23
  Cover: 33
  Clique: 31
  MIR: 131
  StrongCG: 2
  GUB cover: 9
  Zero half: 50
  RLT: 57
  BQP: 3

Explored 1 nodes (71191 simplex iterations) in 50.09 seconds (62.08 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 10 5 -0 

Time limit reached
Best objective 1.000000000000e+01, best bound 5.100000000000e+01, gap 410.0000%

Wrote result file './lp_solutions/grafo10618.38.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 02:01:36 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10618.38.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/grafo10618.38.lp
Reading time = 0.16 seconds
: 95701 rows, 2300 columns, 289200 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 95701 rows, 2300 columns and 289200 nonzeros
Model fingerprint: 0x1d613f39
Variable types: 50 continuous, 2250 integer (2250 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 23151 rows and 36 columns
Presolve time: 0.67s
Presolved: 72550 rows, 2264 columns, 220282 nonzeros
Variable types: 0 continuous, 2264 integer (2214 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 2258 rows, 74808 columns, 222546 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   23487    5.0769258e+01   0.000000e+00   6.347812e+03      5s
   36047    5.1000000e+01   0.000000e+00   0.000000e+00      8s
   36047    5.1000000e+01   0.000000e+00   0.000000e+00      8s
   36047    5.1000000e+01   0.000000e+00   0.000000e+00      8s

Root relaxation: objective 5.100000e+01, 36047 iterations, 6.86 seconds (5.59 work units)
Total elapsed time = 18.53s (DegenMoves)
Total elapsed time = 20.67s (DegenMoves)

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

     0     0   51.00000    0  730    5.00000   51.00000   920%     -   43s
H    0     0                      10.0000000   51.00000   410%     -   43s
     0     0          -    0        10.00000   51.00000   410%     -   50s

Cutting planes:
  Gomory: 23
  Cover: 33
  Clique: 31
  MIR: 131
  StrongCG: 2
  GUB cover: 9
  Zero half: 50
  RLT: 57
  BQP: 3

Explored 1 nodes (71933 simplex iterations) in 50.08 seconds (63.15 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 10 5 -0 

Time limit reached
Best objective 1.000000000000e+01, best bound 5.100000000000e+01, gap 410.0000%

Wrote result file './lp_solutions/grafo10618.38.sol'

