
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 11:18:23 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10840.36.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/grafo10840.36.lp
Reading time = 0.16 seconds
: 90890 rows, 1908 columns, 274267 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 90890 rows, 1908 columns and 274267 nonzeros
Model fingerprint: 0xecfa6004
Variable types: 44 continuous, 1864 integer (1864 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 28939 rows and 27 columns
Presolve time: 0.70s
Presolved: 61951 rows, 1881 columns, 187798 nonzeros
Variable types: 0 continuous, 1881 integer (1837 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 1878 rows, 63829 columns, 189679 nonzeros


Root relaxation: objective 4.900000e+01, 1639 iterations, 0.43 seconds (0.39 work units)

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

     0     0   49.00000    0  418    5.00000   49.00000   880%     -    4s
H    0     0                       6.0000000   49.00000   717%     -    4s
H    0     0                       9.0000000   49.00000   444%     -    4s
     0     0   49.00000    0  858    9.00000   49.00000   444%     -   19s
H    0     0                      10.0000000   49.00000   390%     -   19s
     0     0   49.00000    0  763   10.00000   49.00000   390%     -   20s
     0     0   49.00000    0  603   10.00000   49.00000   390%     -   50s

Cutting planes:
  Gomory: 3
  Cover: 10
  Clique: 16
  MIR: 112
  Zero half: 49
  RLT: 60
  BQP: 4

Explored 1 nodes (31976 simplex iterations) in 50.09 seconds (37.00 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 10 9 6 ... 1

Time limit reached
Best objective 1.000000000000e+01, best bound 4.900000000000e+01, gap 390.0000%

Wrote result file './lp_solutions/grafo10840.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 02:20:33 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10840.36.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/grafo10840.36.lp
Reading time = 0.22 seconds
: 90890 rows, 1908 columns, 274267 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 90890 rows, 1908 columns and 274267 nonzeros
Model fingerprint: 0xecfa6004
Variable types: 44 continuous, 1864 integer (1864 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 28939 rows and 27 columns
Presolve time: 0.93s
Presolved: 61951 rows, 1881 columns, 187798 nonzeros
Variable types: 0 continuous, 1881 integer (1837 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 1878 rows, 63829 columns, 189679 nonzeros


Root relaxation: objective 4.900000e+01, 1639 iterations, 0.61 seconds (0.39 work units)
Total elapsed time = 5.14s (DegenMoves)

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

     0     0   49.00000    0  418    5.00000   49.00000   880%     -    5s
H    0     0                       6.0000000   49.00000   717%     -    5s
H    0     0                       9.0000000   49.00000   444%     -    5s
     0     0   49.00000    0  858    9.00000   49.00000   444%     -   23s
H    0     0                      10.0000000   49.00000   390%     -   23s
     0     0   49.00000    0  763   10.00000   49.00000   390%     -   25s
     0     0   49.00000    0  843   10.00000   49.00000   390%     -   50s

Cutting planes:
  Gomory: 3
  Cover: 10
  Clique: 16
  MIR: 112
  Zero half: 49
  RLT: 60
  BQP: 4

Explored 1 nodes (26968 simplex iterations) in 50.10 seconds (31.55 work units)
Thread count was 8 (of 8 available processors)

Solution count 5: 10 9 6 ... 1

Time limit reached
Best objective 1.000000000000e+01, best bound 4.900000000000e+01, gap 390.0000%

Wrote result file './lp_solutions/grafo10840.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 06:48:02 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo10840.36.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/grafo10840.36.lp
Reading time = 0.15 seconds
: 90890 rows, 1908 columns, 274267 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 90890 rows, 1908 columns and 274267 nonzeros
Model fingerprint: 0xecfa6004
Variable types: 44 continuous, 1864 integer (1864 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 28939 rows and 27 columns
Presolve time: 0.67s
Presolved: 61951 rows, 1881 columns, 187798 nonzeros
Variable types: 0 continuous, 1881 integer (1837 binary)
Found heuristic solution: objective 5.0000000
Root relaxation presolved: 1878 rows, 63829 columns, 189679 nonzeros


Root relaxation: objective 4.900000e+01, 1639 iterations, 0.40 seconds (0.39 work units)

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

     0     0   49.00000    0  418    5.00000   49.00000   880%     -    4s
H    0     0                       6.0000000   49.00000   717%     -    4s
H    0     0                       9.0000000   49.00000   444%     -    4s
     0     0   49.00000    0  858    9.00000   49.00000   444%     -   16s
H    0     0                      10.0000000   49.00000   390%     -   16s
     0     0   49.00000    0  763   10.00000   49.00000   390%     -   17s
H    0     0                      11.0000000   49.00000   345%     -   41s
H    0     0                      12.0000000   49.00000   308%     -   41s
H    0     0                      13.0000000   49.00000   277%     -   41s
     0     0   49.00000    0  436   13.00000   49.00000   277%     -   41s
     0     0   49.00000    0  396   13.00000   49.00000   277%     -   42s
     0     0          -    0        13.00000   49.00000   277%     -   50s

Cutting planes:
  Cover: 38
  Clique: 14
  MIR: 143
  StrongCG: 1
  GUB cover: 4
  Zero half: 111
  RLT: 67
  BQP: 1

Explored 1 nodes (38499 simplex iterations) in 50.08 seconds (44.83 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 13 12 11 ... 1

Time limit reached
Best objective 1.300000000000e+01, best bound 4.900000000000e+01, gap 276.9231%

Wrote result file './lp_solutions/grafo10840.36.sol'

