
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 11:41:43 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11244.36.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/grafo11244.36.lp
Reading time = 0.11 seconds
: 65878 rows, 2018 columns, 199493 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 65878 rows, 2018 columns and 199493 nonzeros
Model fingerprint: 0xac4bce8a
Variable types: 47 continuous, 1971 integer (1971 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 4.0000000
Presolve removed 11415 rows and 27 columns
Presolve time: 0.46s
Presolved: 54463 rows, 1991 columns, 165637 nonzeros
Variable types: 0 continuous, 1991 integer (1944 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 1988 rows, 56451 columns, 167628 nonzeros


Root relaxation: objective 4.700000e+01, 1157 iterations, 0.26 seconds (0.22 work units)

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

     0     0   47.00000    0  346    9.00000   47.00000   422%     -    1s
H    0     0                      10.0000000   47.00000   370%     -    1s
H    0     0                      13.0000000   47.00000   262%     -    1s
     0     0   47.00000    0  829   13.00000   47.00000   262%     -   15s
H    0     0                      14.0000000   47.00000   236%     -   15s
     0     0   47.00000    0  792   14.00000   47.00000   236%     -   17s
     0     0   47.00000    0  426   14.00000   47.00000   236%     -   33s
H    0     0                      15.0000000   47.00000   213%     -   33s
     0     0   47.00000    0  406   15.00000   47.00000   213%     -   33s
H    0     0                      16.0000000   47.00000   194%     -   48s
H    0     0                      17.0000000   47.00000   176%     -   48s
     0     0   47.00000    0  407   17.00000   47.00000   176%     -   48s
     0     0   47.00000    0  379   17.00000   47.00000   176%     -   48s
     0     0          -    0        17.00000   47.00000   176%     -   50s

Cutting planes:
  Cover: 42
  Clique: 3
  MIR: 156
  GUB cover: 7
  Zero half: 51
  RLT: 67

Explored 1 nodes (42662 simplex iterations) in 50.06 seconds (36.17 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 17 16 15 ... 4

Time limit reached
Best objective 1.700000000000e+01, best bound 4.700000000000e+01, gap 176.4706%

Wrote result file './lp_solutions/grafo11244.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 14 02:39:00 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11244.36.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/grafo11244.36.lp
Reading time = 0.13 seconds
: 65878 rows, 2018 columns, 199493 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 65878 rows, 2018 columns and 199493 nonzeros
Model fingerprint: 0xac4bce8a
Variable types: 47 continuous, 1971 integer (1971 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 4.0000000
Presolve removed 11415 rows and 27 columns
Presolve time: 0.61s
Presolved: 54463 rows, 1991 columns, 165637 nonzeros
Variable types: 0 continuous, 1991 integer (1944 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 1988 rows, 56451 columns, 167628 nonzeros


Root relaxation: objective 4.700000e+01, 1157 iterations, 0.51 seconds (0.22 work units)

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

     0     0   47.00000    0  346    9.00000   47.00000   422%     -    2s
H    0     0                      10.0000000   47.00000   370%     -    2s
H    0     0                      13.0000000   47.00000   262%     -    2s
     0     0   47.00000    0  829   13.00000   47.00000   262%     -   19s
H    0     0                      14.0000000   47.00000   236%     -   19s
     0     0   47.00000    0  792   14.00000   47.00000   236%     -   21s
     0     0   47.00000    0  426   14.00000   47.00000   236%     -   41s
H    0     0                      15.0000000   47.00000   213%     -   41s
     0     0   47.00000    0  406   15.00000   47.00000   213%     -   41s
     0     0          -    0        15.00000   47.00000   213%     -   50s

Cutting planes:
  Cover: 49
  Clique: 1
  MIR: 195
  GUB cover: 7
  Zero half: 58
  RLT: 63

Explored 1 nodes (31743 simplex iterations) in 50.07 seconds (28.67 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 15 14 13 ... 4

Time limit reached
Best objective 1.500000000000e+01, best bound 4.700000000000e+01, gap 213.3333%

Wrote result file './lp_solutions/grafo11244.36.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Thu Nov 21 06:53:03 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo11244.36.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/grafo11244.36.lp
Reading time = 0.11 seconds
: 65878 rows, 2018 columns, 199493 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 65878 rows, 2018 columns and 199493 nonzeros
Model fingerprint: 0xac4bce8a
Variable types: 47 continuous, 1971 integer (1971 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 4.0000000
Presolve removed 11415 rows and 27 columns
Presolve time: 0.45s
Presolved: 54463 rows, 1991 columns, 165637 nonzeros
Variable types: 0 continuous, 1991 integer (1944 binary)
Found heuristic solution: objective 9.0000000
Root relaxation presolved: 1988 rows, 56451 columns, 167628 nonzeros


Root relaxation: objective 4.700000e+01, 1157 iterations, 0.26 seconds (0.22 work units)

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

     0     0   47.00000    0  346    9.00000   47.00000   422%     -    1s
H    0     0                      10.0000000   47.00000   370%     -    1s
H    0     0                      13.0000000   47.00000   262%     -    1s
     0     0   47.00000    0  829   13.00000   47.00000   262%     -   13s
H    0     0                      14.0000000   47.00000   236%     -   13s
     0     0   47.00000    0  792   14.00000   47.00000   236%     -   15s
     0     0   47.00000    0  426   14.00000   47.00000   236%     -   29s
H    0     0                      15.0000000   47.00000   213%     -   29s
     0     0   47.00000    0  406   15.00000   47.00000   213%     -   29s
H    0     0                      16.0000000   47.00000   194%     -   42s
H    0     0                      17.0000000   47.00000   176%     -   42s
     0     0   47.00000    0  407   17.00000   47.00000   176%     -   42s
     0     0   47.00000    0  379   17.00000   47.00000   176%     -   43s
     0     0   47.00000    0  576   17.00000   47.00000   176%     -   50s

Cutting planes:
  Cover: 42
  Clique: 3
  MIR: 156
  GUB cover: 7
  Zero half: 51
  RLT: 67

Explored 1 nodes (48252 simplex iterations) in 50.09 seconds (41.15 work units)
Thread count was 8 (of 8 available processors)

Solution count 8: 17 16 15 ... 4

Time limit reached
Best objective 1.700000000000e+01, best bound 4.700000000000e+01, gap 176.4706%

Wrote result file './lp_solutions/grafo11244.36.sol'

