
Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 13 07:35:30 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7046.48.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/grafo7046.48.lp
Reading time = 0.14 seconds
: 63356 rows, 2268 columns, 191563 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 63356 rows, 2268 columns and 191563 nonzeros
Model fingerprint: 0xf64e08b0
Variable types: 44 continuous, 2224 integer (2224 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 1578 rows and 0 columns
Presolve time: 0.69s
Presolved: 61778 rows, 2268 columns, 187132 nonzeros
Variable types: 0 continuous, 2268 integer (2224 binary)
Found heuristic solution: objective 3.0000000
Root relaxation presolved: 2211 rows, 63989 columns, 189400 nonzeros


Root relaxation: objective 2.700000e+01, 19893 iterations, 3.99 seconds (2.52 work units)
Total elapsed time = 5.03s (DegenMoves)
Total elapsed time = 13.35s (DegenMoves)
Total elapsed time = 16.28s (DegenMoves)

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

     0     0   27.00000    0  560    3.00000   27.00000   800%     -   18s
H    0     0                       4.0000000   27.00000   575%     -   18s
H    0     0                       5.0000000   27.00000   440%     -   18s
H    0     0                       7.0000000   27.00000   286%     -   18s
H    0     0                       9.0000000   27.00000   200%     -   23s
     0     0   27.00000    0  807    9.00000   27.00000   200%     -   35s
H    0     0                      10.0000000   27.00000   170%     -   37s
     0     0   27.00000    0  807   10.00000   27.00000   170%     -   37s
     0     0   27.00000    0  763   10.00000   27.00000   170%     -   50s

Cutting planes:
  Gomory: 2
  Lift-and-project: 24
  Cover: 6
  Clique: 1
  MIR: 65
  Zero half: 7
  RLT: 50

Explored 1 nodes (43742 simplex iterations) in 50.08 seconds (28.13 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 10 9 7 ... 3

Time limit reached
Best objective 1.000000000000e+01, best bound 2.700000000000e+01, gap 170.0000%

Wrote result file './lp_solutions/grafo7046.48.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Mon Nov 18 05:20:30 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7046.48.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/grafo7046.48.lp
Reading time = 0.13 seconds
: 63356 rows, 2268 columns, 191563 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 63356 rows, 2268 columns and 191563 nonzeros
Model fingerprint: 0xf64e08b0
Variable types: 44 continuous, 2224 integer (2224 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 1578 rows and 0 columns
Presolve time: 0.47s
Presolved: 61778 rows, 2268 columns, 187132 nonzeros
Variable types: 0 continuous, 2268 integer (2224 binary)
Found heuristic solution: objective 3.0000000
Root relaxation presolved: 2211 rows, 63989 columns, 189400 nonzeros


Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   19515    2.6975312e+01   0.000000e+00   8.446885e+01      5s
   19893    2.7000000e+01   0.000000e+00   0.000000e+00      5s
   19893    2.7000000e+01   0.000000e+00   0.000000e+00      5s
   19893    2.7000000e+01   0.000000e+00   0.000000e+00      5s

Root relaxation: objective 2.700000e+01, 19893 iterations, 4.55 seconds (2.52 work units)
Total elapsed time = 13.75s (DegenMoves)
Total elapsed time = 16.39s (DegenMoves)

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

     0     0   27.00000    0  560    3.00000   27.00000   800%     -   18s
H    0     0                       4.0000000   27.00000   575%     -   18s
H    0     0                       5.0000000   27.00000   440%     -   18s
H    0     0                       7.0000000   27.00000   286%     -   18s
H    0     0                       9.0000000   27.00000   200%     -   23s
     0     0   27.00000    0  807    9.00000   27.00000   200%     -   37s
H    0     0                      10.0000000   27.00000   170%     -   38s
     0     0   27.00000    0  807   10.00000   27.00000   170%     -   38s
     0     0          -    0        10.00000   27.00000   170%     -   50s

Cutting planes:
  Gomory: 2
  Lift-and-project: 24
  Cover: 6
  Clique: 1
  MIR: 65
  Zero half: 7
  RLT: 50

Explored 1 nodes (42796 simplex iterations) in 50.13 seconds (27.23 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 10 9 7 ... 3

Time limit reached
Best objective 1.000000000000e+01, best bound 2.700000000000e+01, gap 170.0000%

Wrote result file './lp_solutions/grafo7046.48.sol'


Gurobi 11.0.1 (mac64[x86], gurobi_cl) logging started Wed Nov 20 06:23:18 2024

Set parameter Username
Set parameter TimeLimit to value 50
Set parameter LogFile to value "./lp_solutions/grafo7046.48.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/grafo7046.48.lp
Reading time = 0.11 seconds
: 63356 rows, 2268 columns, 191563 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 63356 rows, 2268 columns and 191563 nonzeros
Model fingerprint: 0xf64e08b0
Variable types: 44 continuous, 2224 integer (2224 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 1578 rows and 0 columns
Presolve time: 0.40s
Presolved: 61778 rows, 2268 columns, 187132 nonzeros
Variable types: 0 continuous, 2268 integer (2224 binary)
Found heuristic solution: objective 3.0000000
Root relaxation presolved: 2211 rows, 63989 columns, 189400 nonzeros


Root relaxation: objective 2.700000e+01, 19893 iterations, 3.47 seconds (2.52 work units)
Total elapsed time = 11.64s (DegenMoves)

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

     0     0   27.00000    0  560    3.00000   27.00000   800%     -   15s
H    0     0                       4.0000000   27.00000   575%     -   15s
H    0     0                       5.0000000   27.00000   440%     -   15s
H    0     0                       7.0000000   27.00000   286%     -   15s
H    0     0                       9.0000000   27.00000   200%     -   19s
     0     0   27.00000    0  807    9.00000   27.00000   200%     -   30s
H    0     0                      10.0000000   27.00000   170%     -   31s
     0     0   27.00000    0  807   10.00000   27.00000   170%     -   31s
     0     0   27.00000    0  763   10.00000   27.00000   170%     -   50s

Cutting planes:
  Gomory: 2
  Lift-and-project: 24
  Cover: 6
  Clique: 1
  MIR: 65
  Zero half: 7
  RLT: 50

Explored 1 nodes (47819 simplex iterations) in 50.10 seconds (31.67 work units)
Thread count was 8 (of 8 available processors)

Solution count 6: 10 9 7 ... 3

Time limit reached
Best objective 1.000000000000e+01, best bound 2.700000000000e+01, gap 170.0000%

Wrote result file './lp_solutions/grafo7046.48.sol'

