
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 07:19:51 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6442.45.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/grafo6442.45.lp
Reading time = 0.20 seconds
: 79062 rows, 2511 columns, 239251 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 79062 rows, 2511 columns and 239251 nonzeros
Model fingerprint: 0xd960144f
Variable types: 50 continuous, 2461 integer (2461 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 1.0000000
Presolve removed 7252 rows and 1 columns
Presolve time: 0.68s
Presolved: 71810 rows, 2510 columns, 217778 nonzeros
Variable types: 0 continuous, 2510 integer (2460 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 2477 rows, 74287 columns, 220288 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   17171    5.0921172e+01   0.000000e+00   3.631429e+04      5s
   33491    5.0906393e+01   0.000000e+00   4.219398e+03     10s
   48791    5.0904248e+01   0.000000e+00   1.085528e+01     15s
   50983    5.1000000e+01   0.000000e+00   0.000000e+00     16s
   50983    5.1000000e+01   0.000000e+00   0.000000e+00     16s
   50983    5.1000000e+01   0.000000e+00   0.000000e+00     16s

Root relaxation: objective 5.100000e+01, 50983 iterations, 15.10 seconds (8.84 work units)
Total elapsed time = 35.93s (DegenMoves)
Total elapsed time = 40.88s (DegenMoves)

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

     0     0   51.00000    0  737   10.00000   51.00000   410%     -   42s
H    0     0                      13.0000000   51.00000   292%     -   43s
     0     0          -    0        13.00000   51.00000   292%     -   50s

Cutting planes:
  Gomory: 34
  Cover: 37
  MIR: 231
  Zero half: 73
  RLT: 56
  BQP: 2

Explored 1 nodes (71978 simplex iterations) in 50.16 seconds (33.29 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 13 10 1 

Time limit reached
Best objective 1.300000000000e+01, best bound 5.100000000000e+01, gap 292.3077%

Wrote result file './lp_solutions/grafo6442.45.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 05:12:06 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6442.45.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/grafo6442.45.lp
Reading time = 0.17 seconds
: 79062 rows, 2511 columns, 239251 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 79062 rows, 2511 columns and 239251 nonzeros
Model fingerprint: 0xd960144f
Variable types: 50 continuous, 2461 integer (2461 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 1.0000000
Presolve removed 7252 rows and 1 columns
Presolve time: 0.58s
Presolved: 71810 rows, 2510 columns, 217778 nonzeros
Variable types: 0 continuous, 2510 integer (2460 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 2477 rows, 74287 columns, 220288 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   17511    5.0920599e+01   0.000000e+00   3.261982e+04      5s
   33831    5.0906280e+01   0.000000e+00   3.710448e+03     10s
   47431    5.0904274e+01   0.000000e+00   1.768718e+01     15s
   50983    5.1000000e+01   0.000000e+00   0.000000e+00     16s
   50983    5.1000000e+01   0.000000e+00   0.000000e+00     16s
   50983    5.1000000e+01   0.000000e+00   0.000000e+00     16s

Root relaxation: objective 5.100000e+01, 50983 iterations, 15.67 seconds (8.84 work units)
Total elapsed time = 37.26s (DegenMoves)
Total elapsed time = 42.33s (DegenMoves)

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

     0     0   51.00000    0  737   10.00000   51.00000   410%     -   44s
H    0     0                      13.0000000   51.00000   292%     -   44s
     0     0          -    0        13.00000   51.00000   292%     -   50s

Cutting planes:
  Gomory: 34
  Cover: 37
  MIR: 231
  Zero half: 73
  RLT: 56
  BQP: 2

Explored 1 nodes (71358 simplex iterations) in 50.20 seconds (32.65 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 13 10 1 

Time limit reached
Best objective 1.300000000000e+01, best bound 5.100000000000e+01, gap 292.3077%

Wrote result file './lp_solutions/grafo6442.45.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 20 06:14:55 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo6442.45.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/grafo6442.45.lp
Reading time = 0.15 seconds
: 79062 rows, 2511 columns, 239251 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 79062 rows, 2511 columns and 239251 nonzeros
Model fingerprint: 0xd960144f
Variable types: 50 continuous, 2461 integer (2461 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 1.0000000
Presolve removed 7252 rows and 1 columns
Presolve time: 0.51s
Presolved: 71810 rows, 2510 columns, 217778 nonzeros
Variable types: 0 continuous, 2510 integer (2460 binary)
Found heuristic solution: objective 10.0000000
Root relaxation presolved: 2477 rows, 74287 columns, 220288 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   19211    5.0918097e+01   0.000000e+00   9.731611e+04      5s
   37231    5.0905203e+01   0.000000e+00   1.234377e+04     10s
   50983    5.1000000e+01   0.000000e+00   0.000000e+00     14s
   50983    5.1000000e+01   0.000000e+00   0.000000e+00     14s
   50983    5.1000000e+01   0.000000e+00   0.000000e+00     14s

Root relaxation: objective 5.100000e+01, 50983 iterations, 13.46 seconds (8.84 work units)
Total elapsed time = 32.67s (DegenMoves)
Total elapsed time = 37.08s (DegenMoves)

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

     0     0   51.00000    0  737   10.00000   51.00000   410%     -   38s
H    0     0                      13.0000000   51.00000   292%     -   38s
     0     0          -    0        13.00000   51.00000   292%     -   50s

Cutting planes:
  Gomory: 34
  Cover: 37
  MIR: 231
  Zero half: 73
  RLT: 56
  BQP: 2

Explored 1 nodes (74796 simplex iterations) in 50.11 seconds (36.59 work units)
Thread count was 8 (of 8 available processors)

Solution count 3: 13 10 1 

Time limit reached
Best objective 1.300000000000e+01, best bound 5.100000000000e+01, gap 292.3077%

Wrote result file './lp_solutions/grafo6442.45.sol'

