
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 06:56:34 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5904.37.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/grafo5904.37.lp
Reading time = 0.14 seconds
: 61972 rows, 2016 columns, 187693 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 61972 rows, 2016 columns and 187693 nonzeros
Model fingerprint: 0x0d3361b4
Variable types: 47 continuous, 1969 integer (1969 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 8834 rows and 39 columns
Presolve time: 0.60s
Presolved: 53138 rows, 1977 columns, 161560 nonzeros
Variable types: 0 continuous, 1977 integer (1930 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 29153 rows, 25962 columns, 113590 nonzeros


Root relaxation: objective 4.500000e+01, 4509 iterations, 3.56 seconds (2.28 work units)
Total elapsed time = 11.08s (DegenMoves)

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

     0     0   45.00000    0  476    7.00000   45.00000   543%     -   13s
H    0     0                       8.0000000   45.00000   463%     -   13s
H    0     0                      10.0000000   45.00000   350%     -   16s
     0     0   45.00000    0  848   10.00000   45.00000   350%     -   29s
H    0     0                      11.0000000   45.00000   309%     -   30s
     0     0   45.00000    0  801   11.00000   45.00000   309%     -   32s
     0     0   45.00000    0  846   11.00000   45.00000   309%     -   50s

Cutting planes:
  Gomory: 5
  Cover: 14
  MIR: 180
  Zero half: 66
  RLT: 64

Explored 1 nodes (32049 simplex iterations) in 50.07 seconds (29.43 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 11 10 8 ... -0

Time limit reached
Best objective 1.100000000000e+01, best bound 4.500000000000e+01, gap 309.0909%

Wrote result file './lp_solutions/grafo5904.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 04:40:13 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5904.37.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/grafo5904.37.lp
Reading time = 0.13 seconds
: 61972 rows, 2016 columns, 187693 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 61972 rows, 2016 columns and 187693 nonzeros
Model fingerprint: 0x0d3361b4
Variable types: 47 continuous, 1969 integer (1969 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 8834 rows and 39 columns
Presolve time: 0.62s
Presolved: 53138 rows, 1977 columns, 161560 nonzeros
Variable types: 0 continuous, 1977 integer (1930 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 29153 rows, 25962 columns, 113590 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
    4259    4.4999841e+01   2.877497e+00   0.000000e+00      5s
    4509    4.5000000e+01   0.000000e+00   0.000000e+00      5s
    4509    4.5000000e+01   0.000000e+00   0.000000e+00      5s

Root relaxation: objective 4.500000e+01, 4509 iterations, 4.57 seconds (2.28 work units)
Total elapsed time = 12.05s (DegenMoves)

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

     0     0   45.00000    0  476    7.00000   45.00000   543%     -   14s
H    0     0                       8.0000000   45.00000   463%     -   14s
H    0     0                      10.0000000   45.00000   350%     -   16s
     0     0   45.00000    0  848   10.00000   45.00000   350%     -   31s
H    0     0                      11.0000000   45.00000   309%     -   32s
     0     0   45.00000    0  801   11.00000   45.00000   309%     -   33s
     0     0   45.00000    0  846   11.00000   45.00000   309%     -   50s

Cutting planes:
  Gomory: 5
  Cover: 14
  MIR: 180
  Zero half: 66
  RLT: 64

Explored 1 nodes (29076 simplex iterations) in 50.06 seconds (27.48 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 11 10 8 ... -0

Time limit reached
Best objective 1.100000000000e+01, best bound 4.500000000000e+01, gap 309.0909%

Wrote result file './lp_solutions/grafo5904.37.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 20 05:43:05 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo5904.37.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/grafo5904.37.lp
Reading time = 0.11 seconds
: 61972 rows, 2016 columns, 187693 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 61972 rows, 2016 columns and 187693 nonzeros
Model fingerprint: 0x0d3361b4
Variable types: 47 continuous, 1969 integer (1969 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 8834 rows and 39 columns
Presolve time: 0.48s
Presolved: 53138 rows, 1977 columns, 161560 nonzeros
Variable types: 0 continuous, 1977 integer (1930 binary)
Found heuristic solution: objective 7.0000000
Root relaxation presolved: 29153 rows, 25962 columns, 113590 nonzeros


Root relaxation: objective 4.500000e+01, 4509 iterations, 3.06 seconds (2.28 work units)
Total elapsed time = 9.62s (DegenMoves)
Total elapsed time = 10.28s (DegenMoves)

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

     0     0   45.00000    0  476    7.00000   45.00000   543%     -   11s
H    0     0                       8.0000000   45.00000   463%     -   11s
H    0     0                      10.0000000   45.00000   350%     -   13s
     0     0   45.00000    0  848   10.00000   45.00000   350%     -   25s
H    0     0                      11.0000000   45.00000   309%     -   25s
     0     0   45.00000    0  801   11.00000   45.00000   309%     -   27s
     0     0   45.00000    0  383   11.00000   45.00000   309%     -   48s
     0     0   45.00000    0  381   11.00000   45.00000   309%     -   48s
     0     0          -    0        11.00000   45.00000   309%     -   50s

Cutting planes:
  Gomory: 1
  Cover: 43
  MIR: 261
  GUB cover: 10
  Zero half: 54
  RLT: 67

Explored 1 nodes (40098 simplex iterations) in 50.08 seconds (34.04 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 11 10 8 ... -0

Time limit reached
Best objective 1.100000000000e+01, best bound 4.500000000000e+01, gap 309.0909%

Wrote result file './lp_solutions/grafo5904.37.sol'

