
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov  1 21:18:12 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10034.40.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/grafo10034.40.lp
Reading time = 0.35 seconds
: 101637 rows, 2290 columns, 306896 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 101637 rows, 2290 columns and 306896 nonzeros
Model fingerprint: 0x8dbdd243
Variable types: 48 continuous, 2242 integer (2242 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 27319 rows and 18 columns
Presolve time: 1.31s
Presolved: 74318 rows, 2272 columns, 225321 nonzeros
Variable types: 0 continuous, 2272 integer (2224 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 2266 rows, 76584 columns, 227593 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   10448    5.9415015e+01   0.000000e+00   1.881844e+05      5s
   23576    5.5692221e+01   0.000000e+00   1.785305e+04     10s
   36644    5.5680855e+01   0.000000e+00   3.066150e+03     15s
   51527    5.5675921e+01   0.000000e+00   5.293252e+02     20s
   57590    5.6000000e+01   0.000000e+00   0.000000e+00     22s
   57590    5.6000000e+01   0.000000e+00   0.000000e+00     22s
   57590    5.6000000e+01   0.000000e+00   0.000000e+00     22s

Root relaxation: objective 5.600000e+01, 57590 iterations, 20.44 seconds (8.71 work units)
Total elapsed time = 41.36s (DegenMoves)

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

     0     0   56.00000    0  809    7.00000   56.00000   700%     -   50s

Explored 1 nodes (74347 simplex iterations) in 50.03 seconds (32.20 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 7 

Time limit reached
Best objective 7.000000000000e+00, best bound 5.600000000000e+01, gap 700.0000%

Wrote result file './lp_solutions/grafo10034.40.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 10:36:04 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10034.40.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/grafo10034.40.lp
Reading time = 0.17 seconds
: 101637 rows, 2290 columns, 306896 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 101637 rows, 2290 columns and 306896 nonzeros
Model fingerprint: 0x8dbdd243
Variable types: 48 continuous, 2242 integer (2242 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 27319 rows and 18 columns
Presolve time: 0.96s
Presolved: 74318 rows, 2272 columns, 225321 nonzeros
Variable types: 0 continuous, 2272 integer (2224 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 2266 rows, 76584 columns, 227593 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   16677    5.5710856e+01   0.000000e+00   5.640281e+04      5s
   37370    5.5680461e+01   0.000000e+00   5.562844e+04     10s
   57590    5.6000000e+01   0.000000e+00   0.000000e+00     15s
   57590    5.6000000e+01   0.000000e+00   0.000000e+00     15s
   57590    5.6000000e+01   0.000000e+00   0.000000e+00     15s

Root relaxation: objective 5.600000e+01, 57590 iterations, 13.79 seconds (8.71 work units)
Total elapsed time = 15.21s (DegenMoves)
Total elapsed time = 31.74s (DegenMoves)

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

     0     0   56.00000    0  809    7.00000   56.00000   700%     -   50s

Explored 1 nodes (82564 simplex iterations) in 50.03 seconds (48.20 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 7 

Time limit reached
Best objective 7.000000000000e+00, best bound 5.600000000000e+01, gap 700.0000%

Wrote result file './lp_solutions/grafo10034.40.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 01:47:51 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10034.40.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/grafo10034.40.lp
Reading time = 0.32 seconds
: 101637 rows, 2290 columns, 306896 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 101637 rows, 2290 columns and 306896 nonzeros
Model fingerprint: 0x8dbdd243
Variable types: 48 continuous, 2242 integer (2242 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 27319 rows and 18 columns
Presolve time: 1.14s
Presolved: 74318 rows, 2272 columns, 225321 nonzeros
Variable types: 0 continuous, 2272 integer (2224 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 2266 rows, 76584 columns, 227593 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   13757    5.5730036e+01   0.000000e+00   8.103661e+04      5s
   29384    5.5685841e+01   0.000000e+00   2.245852e+04     10s
   46808    5.5676768e+01   0.000000e+00   3.060117e+03     15s
   57590    5.6000000e+01   0.000000e+00   0.000000e+00     18s
   57590    5.6000000e+01   0.000000e+00   0.000000e+00     18s
   57590    5.6000000e+01   0.000000e+00   0.000000e+00     18s

Root relaxation: objective 5.600000e+01, 57590 iterations, 16.76 seconds (8.71 work units)
Total elapsed time = 34.70s (DegenMoves)

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

     0     0   56.00000    0  809    7.00000   56.00000   700%     -   50s

Explored 1 nodes (80706 simplex iterations) in 50.03 seconds (44.50 work units)
Thread count was 8 (of 8 available processors)

Solution count 1: 7 

Time limit reached
Best objective 7.000000000000e+00, best bound 5.600000000000e+01, gap 700.0000%

Wrote result file './lp_solutions/grafo10034.40.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Fri Nov 22 03:54:14 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10034.40.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/grafo10034.40.lp
Reading time = 0.16 seconds
: 101637 rows, 2290 columns, 306896 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 101637 rows, 2290 columns and 306896 nonzeros
Model fingerprint: 0x8dbdd243
Variable types: 48 continuous, 2242 integer (2242 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 27319 rows and 18 columns
Presolve time: 0.67s
Presolved: 74318 rows, 2272 columns, 225321 nonzeros
Variable types: 0 continuous, 2272 integer (2224 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 2266 rows, 76584 columns, 227593 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   23576    5.5692221e+01   0.000000e+00   1.785305e+04      5s
   48260    5.5676456e+01   0.000000e+00   7.568416e+02     10s
   57590    5.6000000e+01   0.000000e+00   0.000000e+00     12s
   57590    5.6000000e+01   0.000000e+00   0.000000e+00     12s
   57590    5.6000000e+01   0.000000e+00   0.000000e+00     12s

Root relaxation: objective 5.600000e+01, 57590 iterations, 11.10 seconds (8.71 work units)
Total elapsed time = 25.17s (DegenMoves)
Total elapsed time = 42.28s (DegenMoves)
Total elapsed time = 45.44s (DegenMoves)

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

     0     0   56.00000    0  524    7.00000   56.00000   700%     -   49s
H    0     0                      13.0000000   56.00000   331%     -   49s

Cutting planes:
  Cover: 55
  Clique: 29
  MIR: 172
  GUB cover: 5

Explored 1 nodes (93666 simplex iterations) in 50.07 seconds (61.39 work units)
Thread count was 8 (of 8 available processors)

Solution count 2: 13 7 

Time limit reached
Best objective 1.300000000000e+01, best bound 5.600000000000e+01, gap 330.7692%

Wrote result file './lp_solutions/grafo10034.40.sol'

