About the Execution of Tapaal for SmallOperatingSystem-PT-MT2048DC0512
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
14274.150 | 1130585.00 | 1550177.00 | 152.70 | F?FTTTFF?FTFT?FF | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Waiting for the VM to be ready (probing ssh)
...........................
=====================================================================
Generated by BenchKit 2-3253
Executing tool tapaal
Input is SmallOperatingSystem-PT-MT2048DC0512, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r079-ebro-149441009200012
=====================================================================
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of booleans
BOOL_VECTOR
here is the order used to build the result vector(from text file)
FORMULA_NAME SmallOperatingSystem-PT-MT2048DC0512-CTLCardinality-0
FORMULA_NAME SmallOperatingSystem-PT-MT2048DC0512-CTLCardinality-1
FORMULA_NAME SmallOperatingSystem-PT-MT2048DC0512-CTLCardinality-10
FORMULA_NAME SmallOperatingSystem-PT-MT2048DC0512-CTLCardinality-11
FORMULA_NAME SmallOperatingSystem-PT-MT2048DC0512-CTLCardinality-12
FORMULA_NAME SmallOperatingSystem-PT-MT2048DC0512-CTLCardinality-13
FORMULA_NAME SmallOperatingSystem-PT-MT2048DC0512-CTLCardinality-14
FORMULA_NAME SmallOperatingSystem-PT-MT2048DC0512-CTLCardinality-15
FORMULA_NAME SmallOperatingSystem-PT-MT2048DC0512-CTLCardinality-2
FORMULA_NAME SmallOperatingSystem-PT-MT2048DC0512-CTLCardinality-3
FORMULA_NAME SmallOperatingSystem-PT-MT2048DC0512-CTLCardinality-4
FORMULA_NAME SmallOperatingSystem-PT-MT2048DC0512-CTLCardinality-5
FORMULA_NAME SmallOperatingSystem-PT-MT2048DC0512-CTLCardinality-6
FORMULA_NAME SmallOperatingSystem-PT-MT2048DC0512-CTLCardinality-7
FORMULA_NAME SmallOperatingSystem-PT-MT2048DC0512-CTLCardinality-8
FORMULA_NAME SmallOperatingSystem-PT-MT2048DC0512-CTLCardinality-9
=== Now, execution of the tool begins
BK_START 1494952572081
---> tapaal --- TAPAAL
Total timeout: 3600
*************************************
* TAPAAL verifying CTLCardinality *
*************************************
---------------------------------------------------
Step 1: Parallel processing
---------------------------------------------------
Doing parallel verification of individual queries (16 in total)
Each query is verified by 2 parallel strategies for 60 seconds
------------------- QUERY 1 ----------------------
Solution found
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = (unset),
LC_ALL = (unset),
LANG = "fr_FR.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = (unset),
LC_ALL = (unset),
LANG = "fr_FR.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./CTLCardinality.xml -x 1
Parameters: -s DFS -d 10 ./model.pnml ./CTLCardinality.xml -x 1
Search=DFS,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=DISABLED,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Query is NOT satisfied.
STATS:
Time (seconds): 33.47
Configurations: 7335947
Markings: 7335939
Edges: 17281555
Processed Edges: 9444356
Processed N. Edges: 5
Explored Configs: 3145737
Query: ((!(EFtokens-count(CPUUnit) le tokens-count(TransferToDisk)) & (!((integer-constant(2) le tokens-count(TaskSuspended) & tokens-count(LoadingMem) le tokens-count(LoadingMem))) & EXinteger-constant(2) le tokens-count(TaskOnDisk))) | EX!(AF!(tokens-count(LoadingMem) le tokens-count(TaskReady))))
Search=DFS,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=ENABLED,QSTimeout=30,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Query before reduction: (((not EF (CPUUnit <= TransferToDisk)) and ((not ((2 <= TaskSuspended) and (LoadingMem <= LoadingMem))) and EX (2 <= TaskOnDisk))) or EX EG (LoadingMem <= TaskReady))
Query after reduction: ((AG (CPUUnit > TransferToDisk) and ((2 > TaskSuspended) and (not deadlock))) or EX EG (LoadingMem <= TaskReady))
Query size reduced from 23 to 16 nodes (30.43 percent reduction).
Query reduction finished after 0.005683 seconds.
Query is NOT satisfied.
STATS:
Time (seconds): 33.82
Configurations: 7335945
Markings: 7335939
Edges: 17281553
Processed Edges: 9444352
Processed N. Edges: 5
Explored Configs: 3145735
Query: ((!(EF!(tokens-count(CPUUnit) gr tokens-count(TransferToDisk))) & (integer-constant(2) gr tokens-count(TaskSuspended) & !(deadlock))) | EX!(AF!(tokens-count(LoadingMem) le tokens-count(TaskReady))))
parallel: This job succeeded:
/home/mcc/BenchKit/start.sh 14500000 /home/mcc/BenchKit/bin/verifypn-linux64 -s\ DFS\ -q\ 0\ -d\ 10 ./model.pnml ./CTLCardinality.xml -x 1
FORMULA SmallOperatingSystem-PT-MT2048DC0512-CTLCardinality-0 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STRUCTURAL_REDUCTION STATE_COMPRESSION STUBBORN_SETS
------------------- QUERY 2 ----------------------
No solution found
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = (unset),
LC_ALL = (unset),
LANG = "fr_FR.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = (unset),
LC_ALL = (unset),
LANG = "fr_FR.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
Parameters: -s DFS -d 10 ./model.pnml ./CTLCardinality.xml -x 2
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./CTLCardinality.xml -x 2
------------------- QUERY 3 ----------------------
No solution found
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = (unset),
LC_ALL = (unset),
LANG = "fr_FR.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = (unset),
LC_ALL = (unset),
LANG = "fr_FR.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
Parameters: -s DFS -d 10 ./model.pnml ./CTLCardinality.xml -x 3
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./CTLCardinality.xml -x 3
------------------- QUERY 4 ----------------------
Solution found
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = (unset),
LC_ALL = (unset),
LANG = "fr_FR.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = (unset),
LC_ALL = (unset),
LANG = "fr_FR.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
Parameters: -s DFS -d 10 ./model.pnml ./CTLCardinality.xml -x 4
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./CTLCardinality.xml -x 4
Search=DFS,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=DISABLED,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Query is NOT satisfied.
STATS:
Time (seconds): 12.65
Configurations: 3425820
Markings: 1843725
Edges: 6713125
Processed Edges: 4749348
Processed N. Edges: 2373142
Explored Configs: 2373142
Query: !(EF!(EXtokens-count(TaskSuspended) le tokens-count(DiskControllerUnit)))
Search=DFS,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=ENABLED,QSTimeout=30,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Query before reduction: AG EX (TaskSuspended <= DiskControllerUnit)
Query after reduction: AG EX (TaskSuspended <= DiskControllerUnit)
Query size reduced from 5 to 5 nodes (0.00 percent reduction).
Query reduction finished after 0.000487 seconds.
Query is NOT satisfied.
STATS:
Time (seconds): 12.96
Configurations: 3425820
Markings: 1843725
Edges: 6713125
Processed Edges: 4749348
Processed N. Edges: 2373142
Explored Configs: 2373142
Query: !(EF!(EXtokens-count(TaskSuspended) le tokens-count(DiskControllerUnit)))
parallel: This job succeeded:
/home/mcc/BenchKit/start.sh 14500000 /home/mcc/BenchKit/bin/verifypn-linux64 -s\ DFS\ -q\ 0\ -d\ 10 ./model.pnml ./CTLCardinality.xml -x 4
FORMULA SmallOperatingSystem-PT-MT2048DC0512-CTLCardinality-3 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STRUCTURAL_REDUCTION STATE_COMPRESSION STUBBORN_SETS
------------------- QUERY 5 ----------------------
Solution found
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = (unset),
LC_ALL = (unset),
LANG = "fr_FR.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = (unset),
LC_ALL = (unset),
LANG = "fr_FR.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
Parameters: -s DFS -d 10 ./model.pnml ./CTLCardinality.xml -x 5
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./CTLCardinality.xml -x 5
Search=DFS,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=ENABLED,QSTimeout=30,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Query before reduction: ((not AG (not (FreeMemSegment <= CPUUnit))) or AG (2 <= LoadingMem))
Query after reduction: (EF (FreeMemSegment <= CPUUnit) or AG (2 <= LoadingMem))
Query size reduced from 9 to 9 nodes (0.00 percent reduction).
Query reduction finished after 0.001526 seconds.
Query is satisfied.
STATS:
Time (seconds): 32.18
Configurations: 7328775
Markings: 7328772
Edges: 17263129
Processed Edges: 9434104
Processed N. Edges: 3
Explored Configs: 3142660
Query: (EFtokens-count(FreeMemSegment) le tokens-count(CPUUnit) | !(EF!(integer-constant(2) le tokens-count(LoadingMem))))
Search=DFS,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=DISABLED,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Query is satisfied.
STATS:
Time (seconds): 33.01
Configurations: 7328777
Markings: 7328772
Edges: 17263131
Processed Edges: 9434104
Processed N. Edges: 7
Explored Configs: 3142662
Query: (!(!(EF!(!(tokens-count(FreeMemSegment) le tokens-count(CPUUnit))))) | !(EF!(integer-constant(2) le tokens-count(LoadingMem))))
parallel: This job succeeded:
/home/mcc/BenchKit/start.sh 7250000 /home/mcc/BenchKit/bin/verifypn-linux64 -s\ DFS\ -d\ 10 ./model.pnml ./CTLCardinality.xml -x 5
FORMULA SmallOperatingSystem-PT-MT2048DC0512-CTLCardinality-4 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STRUCTURAL_REDUCTION STATE_COMPRESSION STUBBORN_SETS
------------------- QUERY 6 ----------------------
Solution found
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = (unset),
LC_ALL = (unset),
LANG = "fr_FR.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = (unset),
LC_ALL = (unset),
LANG = "fr_FR.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
Parameters: -s DFS -d 10 ./model.pnml ./CTLCardinality.xml -x 6
Search=DFS,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=ENABLED,QSTimeout=30,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Query before reduction: (not AG AG (TransferToDisk <= TaskOnDisk))
Query after reduction: false
Query size reduced from 5 to 1 nodes (80.00 percent reduction).
Query reduction finished after 0.000681 seconds.
Query is NOT satisfied.
Query solved by Query Simplification.
parallel: This job succeeded:
/home/mcc/BenchKit/start.sh 7250000 /home/mcc/BenchKit/bin/verifypn-linux64 -s\ DFS\ -d\ 10 ./model.pnml ./CTLCardinality.xml -x 6
FORMULA SmallOperatingSystem-PT-MT2048DC0512-CTLCardinality-5 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STRUCTURAL_REDUCTION STATE_COMPRESSION STUBBORN_SETS
------------------- QUERY 7 ----------------------
Solution found
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = (unset),
LC_ALL = (unset),
LANG = "fr_FR.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = (unset),
LC_ALL = (unset),
LANG = "fr_FR.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
Parameters: -s DFS -d 10 ./model.pnml ./CTLCardinality.xml -x 7
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./CTLCardinality.xml -x 7
Search=DFS,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=ENABLED,QSTimeout=30,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Query before reduction: E (AX (LoadingMem <= DiskControllerUnit) U (not ((ExecutingTask <= FreeMemSegment) or (TaskOnDisk <= FreeMemSegment))))
Query after reduction: E (AX (LoadingMem <= DiskControllerUnit) U ((ExecutingTask > FreeMemSegment) and (TaskOnDisk > FreeMemSegment)))
Query size reduced from 12 to 12 nodes (0.00 percent reduction).
Query reduction finished after 0.001824 seconds.
Query is satisfied.
STATS:
Time (seconds): 53.17
Configurations: 10496003
Markings: 7346178
Edges: 20453891
Processed Edges: 15756286
Processed N. Edges: 0
Explored Configs: 6299651
Query: E(AXtokens-count(LoadingMem) le tokens-count(DiskControllerUnit)) U ((tokens-count(ExecutingTask) gr tokens-count(FreeMemSegment) & tokens-count(TaskOnDisk) gr tokens-count(FreeMemSegment)))
Search=DFS,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=DISABLED,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Query is satisfied.
STATS:
Time (seconds): 53.43
Configurations: 10496003
Markings: 7346178
Edges: 20453891
Processed Edges: 15756286
Processed N. Edges: 0
Explored Configs: 6299651
Query: E(AXtokens-count(LoadingMem) le tokens-count(DiskControllerUnit)) U (!((tokens-count(ExecutingTask) le tokens-count(FreeMemSegment) | tokens-count(TaskOnDisk) le tokens-count(FreeMemSegment))))
parallel: This job succeeded:
/home/mcc/BenchKit/start.sh 7250000 /home/mcc/BenchKit/bin/verifypn-linux64 -s\ DFS\ -d\ 10 ./model.pnml ./CTLCardinality.xml -x 7
FORMULA SmallOperatingSystem-PT-MT2048DC0512-CTLCardinality-6 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STRUCTURAL_REDUCTION STATE_COMPRESSION STUBBORN_SETS
------------------- QUERY 8 ----------------------
No solution found
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = (unset),
LC_ALL = (unset),
LANG = "fr_FR.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = (unset),
LC_ALL = (unset),
LANG = "fr_FR.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
Parameters: -s DFS -d 10 ./model.pnml ./CTLCardinality.xml -x 8
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./CTLCardinality.xml -x 8
------------------- QUERY 9 ----------------------
Solution found
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = (unset),
LC_ALL = (unset),
LANG = "fr_FR.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = (unset),
LC_ALL = (unset),
LANG = "fr_FR.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
Parameters: -s DFS -d 10 ./model.pnml ./CTLCardinality.xml -x 9
Search=DFS,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=ENABLED,QSTimeout=30,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Query before reduction: A (((not (CPUUnit <= TaskOnDisk)) and (1 <= TaskOnDisk)) U AG (LoadingMem <= DiskControllerUnit))
Query after reduction: AG (LoadingMem <= DiskControllerUnit)
Query size reduced from 12 to 4 nodes (66.67 percent reduction).
Query reduction finished after 0.001730 seconds.
Size of net before structural reductions: 9 places, 8 transitions
Size of net after structural reductions: 8 places, 8 transitions
Structural reduction finished after 0.000108 seconds
Net reduction is enabled.
Removed transitions: 0
Removed places: 1
Applications of rule A: 0
Applications of rule B: 0
Applications of rule C: 1
Applications of rule D: 0
Applications of rule E: 0
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./CTLCardinality.xml -x 9
Query is NOT satisfied.
STATS:
discovered states: 5081
explored states: 4052
expanded states: 1530
max tokens: 3584
parallel: This job succeeded:
/home/mcc/BenchKit/start.sh 7250000 /home/mcc/BenchKit/bin/verifypn-linux64 -s\ DFS\ -d\ 10 ./model.pnml ./CTLCardinality.xml -x 9
FORMULA SmallOperatingSystem-PT-MT2048DC0512-CTLCardinality-8 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STRUCTURAL_REDUCTION STATE_COMPRESSION STUBBORN_SETS
------------------- QUERY 10 ----------------------
Solution found
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = (unset),
LC_ALL = (unset),
LANG = "fr_FR.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = (unset),
LC_ALL = (unset),
LANG = "fr_FR.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
Parameters: -s DFS -d 10 ./model.pnml ./CTLCardinality.xml -x 10
Search=DFS,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=ENABLED,QSTimeout=30,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Query before reduction: (not AG (CPUUnit <= CPUUnit))
Query after reduction: false
Query size reduced from 4 to 1 nodes (75.00 percent reduction).
Query reduction finished after 0.000029 seconds.
Query is NOT satisfied.
Query solved by Query Simplification.
parallel: This job succeeded:
/home/mcc/BenchKit/start.sh 7250000 /home/mcc/BenchKit/bin/verifypn-linux64 -s\ DFS\ -d\ 10 ./model.pnml ./CTLCardinality.xml -x 10
FORMULA SmallOperatingSystem-PT-MT2048DC0512-CTLCardinality-9 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STRUCTURAL_REDUCTION STATE_COMPRESSION STUBBORN_SETS
------------------- QUERY 11 ----------------------
Solution found
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = (unset),
LC_ALL = (unset),
LANG = "fr_FR.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = (unset),
LC_ALL = (unset),
LANG = "fr_FR.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
Parameters: -s DFS -d 10 ./model.pnml ./CTLCardinality.xml -x 11
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./CTLCardinality.xml -x 11
Search=DFS,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=ENABLED,QSTimeout=30,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Query before reduction: AG AG (not (FreeMemSegment <= CPUUnit))
Query after reduction: AG AG (FreeMemSegment > CPUUnit)
Query size reduced from 5 to 5 nodes (0.00 percent reduction).
Query reduction finished after 0.000563 seconds.
Query is NOT satisfied.
STATS:
Time (seconds): 32.55
Configurations: 7328777
Markings: 7328772
Edges: 17263130
Processed Edges: 9434101
Processed N. Edges: 6
Explored Configs: 3142661
Query: !(EF!(!(EF!(tokens-count(FreeMemSegment) gr tokens-count(CPUUnit)))))
Search=DFS,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=DISABLED,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Query is NOT satisfied.
STATS:
Time (seconds): 32.98
Configurations: 7328777
Markings: 7328772
Edges: 17263130
Processed Edges: 9434101
Processed N. Edges: 6
Explored Configs: 3142661
Query: !(EF!(!(EF!(!(tokens-count(FreeMemSegment) le tokens-count(CPUUnit))))))
parallel: This job succeeded:
/home/mcc/BenchKit/start.sh 7250000 /home/mcc/BenchKit/bin/verifypn-linux64 -s\ DFS\ -d\ 10 ./model.pnml ./CTLCardinality.xml -x 11
FORMULA SmallOperatingSystem-PT-MT2048DC0512-CTLCardinality-10 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STRUCTURAL_REDUCTION STATE_COMPRESSION STUBBORN_SETS
------------------- QUERY 12 ----------------------
Solution found
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = (unset),
LC_ALL = (unset),
LANG = "fr_FR.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = (unset),
LC_ALL = (unset),
LANG = "fr_FR.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
Parameters: -s DFS -d 10 ./model.pnml ./CTLCardinality.xml -x 12
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./CTLCardinality.xml -x 12
Search=DFS,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=DISABLED,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Query is satisfied.
STATS:
Time (seconds): 31.42
Configurations: 7343107
Markings: 7343104
Edges: 17296899
Processed Edges: 9452539
Processed N. Edges: 4
Explored Configs: 3148804
Query: !(AX!(EF!(tokens-count(CPUUnit) le tokens-count(FreeMemSegment))))
Search=DFS,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=ENABLED,QSTimeout=30,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Query before reduction: (not AX AG (CPUUnit <= FreeMemSegment))
Query after reduction: EX EF (CPUUnit > FreeMemSegment)
Query size reduced from 5 to 5 nodes (0.00 percent reduction).
Query reduction finished after 0.000551 seconds.
Query is satisfied.
STATS:
Time (seconds): 32.63
Configurations: 7343105
Markings: 7343104
Edges: 17296897
Processed Edges: 9452539
Processed N. Edges: 0
Explored Configs: 3148802
Query: EXEFtokens-count(CPUUnit) gr tokens-count(FreeMemSegment)
parallel: This job succeeded:
/home/mcc/BenchKit/start.sh 14500000 /home/mcc/BenchKit/bin/verifypn-linux64 -s\ DFS\ -q\ 0\ -d\ 10 ./model.pnml ./CTLCardinality.xml -x 12
FORMULA SmallOperatingSystem-PT-MT2048DC0512-CTLCardinality-11 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STRUCTURAL_REDUCTION STATE_COMPRESSION STUBBORN_SETS
------------------- QUERY 13 ----------------------
Solution found
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = (unset),
LC_ALL = (unset),
LANG = "fr_FR.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = (unset),
LC_ALL = (unset),
LANG = "fr_FR.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
Parameters: -s DFS -d 10 ./model.pnml ./CTLCardinality.xml -x 13
Search=DFS,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=ENABLED,QSTimeout=30,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Query before reduction: (not (not EF (FreeMemSegment <= TransferToDisk)))
Query after reduction: EF (FreeMemSegment <= TransferToDisk)
Query size reduced from 4 to 4 nodes (0.00 percent reduction).
Query reduction finished after 0.000553 seconds.
Size of net before structural reductions: 9 places, 8 transitions
Size of net after structural reductions: 7 places, 7 transitions
Structural reduction finished after 7.6e-05 seconds
Net reduction is enabled.
Removed transitions: 1
Removed places: 2
Applications of rule A: 0
Applications of rule B: 1
Applications of rule C: 1
Applications of rule D: 0
Applications of rule E: 0
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./CTLCardinality.xml -x 13
Search=DFS,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=DISABLED,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Size of net before structural reductions: 9 places, 8 transitions
Size of net after structural reductions: 7 places, 7 transitions
Structural reduction finished after 7.6e-05 seconds
Net reduction is enabled.
Removed transitions: 1
Removed places: 2
Applications of rule A: 0
Applications of rule B: 1
Applications of rule C: 1
Applications of rule D: 0
Applications of rule E: 0
Query is satisfied.
STATS:
discovered states: 13820
explored states: 9726
expanded states: 4607
max tokens: 3584
parallel: This job succeeded:
/home/mcc/BenchKit/start.sh 7250000 /home/mcc/BenchKit/bin/verifypn-linux64 -s\ DFS\ -d\ 10 ./model.pnml ./CTLCardinality.xml -x 13
FORMULA SmallOperatingSystem-PT-MT2048DC0512-CTLCardinality-12 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STRUCTURAL_REDUCTION STATE_COMPRESSION STUBBORN_SETS
------------------- QUERY 14 ----------------------
Solution found
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = (unset),
LC_ALL = (unset),
LANG = "fr_FR.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = (unset),
LC_ALL = (unset),
LANG = "fr_FR.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
Parameters: -s DFS -d 10 ./model.pnml ./CTLCardinality.xml -x 14
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./CTLCardinality.xml -x 14
Search=DFS,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=ENABLED,QSTimeout=30,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Query before reduction: ((not (not (1 <= DiskControllerUnit))) and AG (3 <= TaskOnDisk))
Query after reduction: (1 <= DiskControllerUnit)
Query size reduced from 8 to 3 nodes (62.50 percent reduction).
Query reduction finished after 0.001425 seconds.
Query is satisfied.
STATS:
Time (seconds): 1.2e-05
Configurations: 1
Markings: 1
Edges: 1
Processed Edges: 1
Processed N. Edges: 0
Explored Configs: 1
Query: integer-constant(1) le tokens-count(DiskControllerUnit)
parallel: This job succeeded:
/home/mcc/BenchKit/start.sh 7250000 /home/mcc/BenchKit/bin/verifypn-linux64 -s\ DFS\ -d\ 10 ./model.pnml ./CTLCardinality.xml -x 14
FORMULA SmallOperatingSystem-PT-MT2048DC0512-CTLCardinality-13 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STRUCTURAL_REDUCTION STATE_COMPRESSION STUBBORN_SETS
------------------- QUERY 15 ----------------------
Solution found
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = (unset),
LC_ALL = (unset),
LANG = "fr_FR.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = (unset),
LC_ALL = (unset),
LANG = "fr_FR.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
Parameters: -s DFS -d 10 ./model.pnml ./CTLCardinality.xml -x 15
Search=DFS,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=ENABLED,QSTimeout=30,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Query before reduction: AG (((TaskReady <= TaskSuspended) and ((2 <= LoadingMem) or (3 <= TaskOnDisk))) or (ExecutingTask <= DiskControllerUnit))
Query after reduction: AG ((TaskReady <= TaskSuspended) or (ExecutingTask <= DiskControllerUnit))
Query size reduced from 16 to 8 nodes (50.00 percent reduction).
Query reduction finished after 0.002363 seconds.
Size of net before structural reductions: 9 places, 8 transitions
Size of net after structural reductions: 8 places, 8 transitions
Structural reduction finished after 0.000103 seconds
Net reduction is enabled.
Removed transitions: 0
Removed places: 1
Applications of rule A: 0
Applications of rule B: 0
Applications of rule C: 1
Applications of rule D: 0
Applications of rule E: 0
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./CTLCardinality.xml -x 15
Search=DFS,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=DISABLED,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Size of net before structural reductions: 9 places, 8 transitions
Size of net after structural reductions: 9 places, 8 transitions
Structural reduction finished after 3.8e-05 seconds
Net reduction is enabled.
Removed transitions: 0
Removed places: 0
Applications of rule A: 0
Applications of rule B: 0
Applications of rule C: 0
Applications of rule D: 0
Applications of rule E: 0
Query is NOT satisfied.
STATS:
discovered states: 17113
explored states: 11236
expanded states: 4347
max tokens: 3584
parallel: This job succeeded:
/home/mcc/BenchKit/start.sh 7250000 /home/mcc/BenchKit/bin/verifypn-linux64 -s\ DFS\ -d\ 10 ./model.pnml ./CTLCardinality.xml -x 15
FORMULA SmallOperatingSystem-PT-MT2048DC0512-CTLCardinality-14 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STRUCTURAL_REDUCTION STATE_COMPRESSION STUBBORN_SETS
------------------- QUERY 16 ----------------------
Solution found
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = (unset),
LC_ALL = (unset),
LANG = "fr_FR.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = (unset),
LC_ALL = (unset),
LANG = "fr_FR.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
Parameters: -s DFS -d 10 ./model.pnml ./CTLCardinality.xml -x 16
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./CTLCardinality.xml -x 16
Search=DFS,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=ENABLED,QSTimeout=30,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Query before reduction: AG AG (not (DiskControllerUnit <= TaskSuspended))
Query after reduction: AG AG (DiskControllerUnit > TaskSuspended)
Query size reduced from 5 to 5 nodes (0.00 percent reduction).
Query reduction finished after 0.000499 seconds.
Query is NOT satisfied.
STATS:
Time (seconds): 8.766
Configurations: 1829385
Markings: 1829380
Edges: 4306202
Processed Edges: 2357749
Processed N. Edges: 6
Explored Configs: 784901
Query: !(EF!(!(EF!(tokens-count(DiskControllerUnit) gr tokens-count(TaskSuspended)))))
Search=DFS,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=10,Stubborn_Reduction=ENABLED,Query_Simplication=DISABLED,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Query is NOT satisfied.
STATS:
Time (seconds): 8.972
Configurations: 1829385
Markings: 1829380
Edges: 4306202
Processed Edges: 2357749
Processed N. Edges: 6
Explored Configs: 784901
Query: !(EF!(!(EF!(!(tokens-count(DiskControllerUnit) le tokens-count(TaskSuspended))))))
parallel: This job succeeded:
/home/mcc/BenchKit/start.sh 7250000 /home/mcc/BenchKit/bin/verifypn-linux64 -s\ DFS\ -d\ 10 ./model.pnml ./CTLCardinality.xml -x 16
FORMULA SmallOperatingSystem-PT-MT2048DC0512-CTLCardinality-15 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STRUCTURAL_REDUCTION STATE_COMPRESSION STUBBORN_SETS
---------------------------------------------------
Step 2: Sequential processing
---------------------------------------------------
Remaining queries are verified sequentially.
Each query is verified for a dynamic timeout (at least 480 seconds)
------------------- QUERY 2 ----------------------
Running query 2 for 1060 seconds. Remaining: 3 queries and 3174 seconds
Parameters: -s DFS -d 100 -q 100 ./model.pnml ./CTLCardinality.xml -x 2
No solution found
------------------- QUERY 3 ----------------------
Running query 3 for 1504 seconds. Remaining: 2 queries and 3004 seconds
Parameters: -s DFS -d 100 -q 100 ./model.pnml ./CTLCardinality.xml -x 3
Search=DFS,Trace=DISABLED,State_Space_Exploration=DISABLED,Structural_Reduction=AGGRESSIVE,Struct_Red_Timout=100,Stubborn_Reduction=ENABLED,Query_Simplication=ENABLED,QSTimeout=100,Siphon_Trap=DISABLED,LPSolve_Timeout=10
Query before reduction: EF AX (not (1 <= FreeMemSegment))
Query after reduction: EF AX (1 > FreeMemSegment)
Query size reduced from 5 to 5 nodes (0.00 percent reduction).
Query reduction finished after 0.000841 seconds.
No solution found
------------------- QUERY 8 ----------------------
Running query 8 for 2823 seconds. Remaining: 1 queries and 2821 seconds
Parameters: -s DFS -d 100 -q 100 ./model.pnml ./CTLCardinality.xml -x 8
No solution found
---------------------------------------------------
Step 3: Multiquery processing
---------------------------------------------------
Remaining 3 queries are solved using multiquery
Time remaining: 2640 seconds of the initial 3600 seconds
Running multiquery on -x 2,3,8 for 2640 seconds
Parameters: -s DFS -d 100 -q 100 -p ./model.pnml ./CTLCardinality.xml -x 2,3,8
End of script.
BK_STOP 1494953702666
--------------------
content from stderr:
Command terminated by signal 11
Command being timed: "timeout 1060 /home/mcc/BenchKit/bin/verifypn-linux64 -s DFS -d 100 -q 100 ./model.pnml ./CTLCardinality.xml -x 2"
User time (seconds): 157.69
System time (seconds): 11.96
Percent of CPU this job got: 99%
Elapsed (wall clock) time (h:mm:ss or m:ss): 2:49.67
Average shared text size (kbytes): 0
Average unshared data size (kbytes): 0
Average stack size (kbytes): 0
Average total size (kbytes): 0
Maximum resident set size (kbytes): 14048284
Average resident set size (kbytes): 0
Major (requiring I/O) page faults: 0
Minor (reclaiming a frame) page faults: 3773763
Voluntary context switches: 3
Involuntary context switches: 307
Swaps: 0
File system inputs: 0
File system outputs: 0
Socket messages sent: 0
Socket messages received: 0
Signals delivered: 0
Page size (bytes): 4096
Exit status: 0
terminate called after throwing an instance of 'std::bad_alloc'
what(): std::bad_alloc
Command terminated by signal 6
Command being timed: "timeout 1504 /home/mcc/BenchKit/bin/verifypn-linux64 -s DFS -d 100 -q 100 ./model.pnml ./CTLCardinality.xml -x 3"
User time (seconds): 169.43
System time (seconds): 13.66
Percent of CPU this job got: 99%
Elapsed (wall clock) time (h:mm:ss or m:ss): 3:03.11
Average shared text size (kbytes): 0
Average unshared data size (kbytes): 0
Average stack size (kbytes): 0
Average total size (kbytes): 0
Maximum resident set size (kbytes): 14480152
Average resident set size (kbytes): 0
Major (requiring I/O) page faults: 0
Minor (reclaiming a frame) page faults: 3750584
Voluntary context switches: 5
Involuntary context switches: 323
Swaps: 0
File system inputs: 384
File system outputs: 8
Socket messages sent: 0
Socket messages received: 0
Signals delivered: 0
Page size (bytes): 4096
Exit status: 0
Command terminated by signal 11
Command being timed: "timeout 2823 /home/mcc/BenchKit/bin/verifypn-linux64 -s DFS -d 100 -q 100 ./model.pnml ./CTLCardinality.xml -x 8"
User time (seconds): 170.49
System time (seconds): 12.57
Percent of CPU this job got: 99%
Elapsed (wall clock) time (h:mm:ss or m:ss): 3:03.08
Average shared text size (kbytes): 0
Average unshared data size (kbytes): 0
Average stack size (kbytes): 0
Average total size (kbytes): 0
Maximum resident set size (kbytes): 14479948
Average resident set size (kbytes): 0
Major (requiring I/O) page faults: 0
Minor (reclaiming a frame) page faults: 3750621
Voluntary context switches: 3
Involuntary context switches: 323
Swaps: 0
File system inputs: 0
File system outputs: 0
Socket messages sent: 0
Socket messages received: 0
Signals delivered: 0
Page size (bytes): 4096
Exit status: 0
Command terminated by signal 11
Command being timed: "timeout 2640 /home/mcc/BenchKit/bin/verifypn-linux64 -s DFS -d 100 -q 100 -p ./model.pnml ./CTLCardinality.xml -x 2,3,8"
User time (seconds): 156.20
System time (seconds): 11.86
Percent of CPU this job got: 99%
Elapsed (wall clock) time (h:mm:ss or m:ss): 2:48.07
Average shared text size (kbytes): 0
Average unshared data size (kbytes): 0
Average stack size (kbytes): 0
Average total size (kbytes): 0
Maximum resident set size (kbytes): 14048240
Average resident set size (kbytes): 0
Major (requiring I/O) page faults: 0
Minor (reclaiming a frame) page faults: 3773837
Voluntary context switches: 3
Involuntary context switches: 296
Swaps: 0
File system inputs: 0
File system outputs: 0
Socket messages sent: 0
Socket messages received: 0
Signals delivered: 0
Page size (bytes): 4096
Exit status: 0
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="SmallOperatingSystem-PT-MT2048DC0512"
export BK_EXAMINATION="CTLCardinality"
export BK_TOOL="tapaal"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
tar xzf /home/mcc/BenchKit/INPUTS/SmallOperatingSystem-PT-MT2048DC0512.tgz
mv SmallOperatingSystem-PT-MT2048DC0512 execution
# this is for BenchKit: explicit launching of the test
cd execution
echo "====================================================================="
echo " Generated by BenchKit 2-3253"
echo " Executing tool tapaal"
echo " Input is SmallOperatingSystem-PT-MT2048DC0512, examination is CTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r079-ebro-149441009200012"
echo "====================================================================="
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "CTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLCardinality" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "CTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLCardinality.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;