About the Execution of Tapaal for S_TCPcondis-PT-35
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
14293.720 | 2023061.00 | 2333518.00 | 260.50 | ?TF?T?T?T?TFTTFT | 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 S_TCPcondis-PT-35, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r159-ebro-149443465600229
=====================================================================
--------------------
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 TCPcondis-PT-35-CTLFireability-0
FORMULA_NAME TCPcondis-PT-35-CTLFireability-1
FORMULA_NAME TCPcondis-PT-35-CTLFireability-10
FORMULA_NAME TCPcondis-PT-35-CTLFireability-11
FORMULA_NAME TCPcondis-PT-35-CTLFireability-12
FORMULA_NAME TCPcondis-PT-35-CTLFireability-13
FORMULA_NAME TCPcondis-PT-35-CTLFireability-14
FORMULA_NAME TCPcondis-PT-35-CTLFireability-15
FORMULA_NAME TCPcondis-PT-35-CTLFireability-2
FORMULA_NAME TCPcondis-PT-35-CTLFireability-3
FORMULA_NAME TCPcondis-PT-35-CTLFireability-4
FORMULA_NAME TCPcondis-PT-35-CTLFireability-5
FORMULA_NAME TCPcondis-PT-35-CTLFireability-6
FORMULA_NAME TCPcondis-PT-35-CTLFireability-7
FORMULA_NAME TCPcondis-PT-35-CTLFireability-8
FORMULA_NAME TCPcondis-PT-35-CTLFireability-9
=== Now, execution of the tool begins
BK_START 1496264799406
---> tapaal --- TAPAAL
Total timeout: 3600
*************************************
* TAPAAL verifying CTLFireability *
*************************************
---------------------------------------------------
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 ----------------------
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 -q 0 -d 10 ./model.pnml ./CTLFireability.xml -x 1
Parameters: -s DFS -d 10 ./model.pnml ./CTLFireability.xml -x 1
------------------- QUERY 2 ----------------------
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 ./CTLFireability.xml -x 2
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./CTLFireability.xml -x 2
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: ((((EX ((FINACK >= 1) and (xCLOSING >= 1)) or (not (not ((SYNRCVD >= 1) and (xSYNACK >= 1))))) or (((not ((SYN >= 1) and (xSYNSENT >= 1))) and (not ((xFINACK >= 1) and (LASTACK >= 1)))) and EF ((FINACK >= 1) and (xLASTACK >= 1)))) or (not (not AX (CLOSEWAIT >= 1)))) or EF EG (((SYN >= 1) and ((xSYNSENT >= 1) and (SYNACK >= 1))) or ((FINACK >= 1) and (xFINWAIT1 >= 1))))
Query after reduction: ((((EX ((FINACK >= 1) and (xCLOSING >= 1)) or ((SYNRCVD >= 1) and (xSYNACK >= 1))) or ((((SYN < 1) or (xSYNSENT < 1)) and ((xFINACK < 1) or (LASTACK < 1))) and EF ((FINACK >= 1) and (xLASTACK >= 1)))) or AX (CLOSEWAIT >= 1)) or EF EG (((SYN >= 1) and ((xSYNSENT >= 1) and (SYNACK >= 1))) or ((FINACK >= 1) and (xFINWAIT1 >= 1))))
Query size reduced from 68 to 68 nodes (0.00 percent reduction).
Query reduction finished after 0.006660 seconds.
Query is satisfied.
STATS:
Time (seconds): 0.009334
Configurations: 1655
Markings: 1503
Edges: 867
Processed Edges: 764
Processed N. Edges: 218
Explored Configs: 543
Query: ((((EX(tokens-count(FINACK) ge integer-constant(1) & tokens-count(xCLOSING) ge integer-constant(1)) | (tokens-count(SYNRCVD) ge integer-constant(1) & tokens-count(xSYNACK) ge integer-constant(1))) | (((tokens-count(SYN) ls integer-constant(1) | tokens-count(xSYNSENT) ls integer-constant(1)) & (tokens-count(xFINACK) ls integer-constant(1) | tokens-count(LASTACK) ls integer-constant(1))) & EF(tokens-count(FINACK) ge integer-constant(1) & tokens-count(xLASTACK) ge integer-constant(1)))) | AXtokens-count(CLOSEWAIT) ge integer-constant(1)) | EF!(AF!(((tokens-count(SYN) ge integer-constant(1) & (tokens-count(xSYNSENT) ge integer-constant(1) & tokens-count(SYNACK) ge integer-constant(1))) | (tokens-count(FINACK) ge integer-constant(1) & tokens-count(xFINWAIT1) ge integer-constant(1))))))
parallel: This job succeeded:
/home/mcc/BenchKit/start.sh 7250000 /home/mcc/BenchKit/bin/verifypn-linux64 -s\ DFS\ -d\ 10 ./model.pnml ./CTLFireability.xml -x 2
FORMULA TCPcondis-PT-35-CTLFireability-1 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STRUCTURAL_REDUCTION STATE_COMPRESSION STUBBORN_SETS
------------------- QUERY 3 ----------------------
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 ./CTLFireability.xml -x 3
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./CTLFireability.xml -x 3
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: EF (not (not EG (CLOSED >= 1)))
Query after reduction: EF EG (CLOSED >= 1)
Query size reduced from 5 to 5 nodes (0.00 percent reduction).
Query reduction finished after 0.000435 seconds.
Query is satisfied.
STATS:
Time (seconds): 0.008203
Configurations: 1290
Markings: 1284
Edges: 324
Processed Edges: 324
Processed N. Edges: 2
Explored Configs: 320
Query: EF!(AF!(tokens-count(CLOSED) ge integer-constant(1)))
parallel: This job succeeded:
/home/mcc/BenchKit/start.sh 7250000 /home/mcc/BenchKit/bin/verifypn-linux64 -s\ DFS\ -d\ 10 ./model.pnml ./CTLFireability.xml -x 3
FORMULA TCPcondis-PT-35-CTLFireability-2 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STRUCTURAL_REDUCTION STATE_COMPRESSION STUBBORN_SETS
------------------- QUERY 4 ----------------------
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 ./CTLFireability.xml -x 4
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./CTLFireability.xml -x 4
------------------- 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 ./CTLFireability.xml -x 5
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./CTLFireability.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 EX (((SYNRCVD >= 1) and (xSYNACK >= 1)) or (LISTEN >= 1)))
Query after reduction: EF AX (((SYNRCVD < 1) or (xSYNACK < 1)) and (LISTEN < 1))
Query size reduced from 13 to 13 nodes (0.00 percent reduction).
Query reduction finished after 0.001150 seconds.
Query is satisfied.
STATS:
Time (seconds): 0.009567
Configurations: 1589
Markings: 1275
Edges: 1693
Processed Edges: 1255
Processed N. Edges: 0
Explored Configs: 628
Query: EFAX((tokens-count(SYNRCVD) ls integer-constant(1) | tokens-count(xSYNACK) ls integer-constant(1)) & tokens-count(LISTEN) ls integer-constant(1))
parallel: This job succeeded:
/home/mcc/BenchKit/start.sh 7250000 /home/mcc/BenchKit/bin/verifypn-linux64 -s\ DFS\ -d\ 10 ./model.pnml ./CTLFireability.xml -x 5
FORMULA TCPcondis-PT-35-CTLFireability-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 ./CTLFireability.xml -x 6
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./CTLFireability.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: ((AG ((FIN >= 1) and (xESTAB >= 1)) or AX AF (CLOSEWAIT >= 1)) and (A (((CLOSED >= 1) or (CLOSED >= 1)) U ((FIN >= 1) and (xFINWAIT1 >= 1))) and EX (((xTIMEWAIT >= 1) and ((xFINACK >= 1) and (CLOSING >= 1))) or ((xCLOSED >= 1) or (xCLOSED >= 1)))))
Query after reduction: ((AG ((FIN >= 1) and (xESTAB >= 1)) or AX AF (CLOSEWAIT >= 1)) and (A (((CLOSED >= 1) or (CLOSED >= 1)) U ((FIN >= 1) and (xFINWAIT1 >= 1))) and EX (((xTIMEWAIT >= 1) and ((xFINACK >= 1) and (CLOSING >= 1))) or ((xCLOSED >= 1) or (xCLOSED >= 1)))))
Query size reduced from 51 to 51 nodes (0.00 percent reduction).
Query reduction finished after 0.005560 seconds.
Query is NOT satisfied.
STATS:
Time (seconds): 0.007149
Configurations: 1266
Markings: 1262
Edges: 312
Processed Edges: 624
Processed N. Edges: 0
Explored Configs: 313
Query: ((!(EF!((tokens-count(FIN) ge integer-constant(1) & tokens-count(xESTAB) ge integer-constant(1)))) | AXAFtokens-count(CLOSEWAIT) ge integer-constant(1)) & (A((tokens-count(CLOSED) ge integer-constant(1) | tokens-count(CLOSED) ge integer-constant(1))) U ((tokens-count(FIN) ge integer-constant(1) & tokens-count(xFINWAIT1) ge integer-constant(1))) & EX((tokens-count(xTIMEWAIT) ge integer-constant(1) & (tokens-count(xFINACK) ge integer-constant(1) & tokens-count(CLOSING) ge integer-constant(1))) | (tokens-count(xCLOSED) ge integer-constant(1) | tokens-count(xCLOSED) ge integer-constant(1)))))
parallel: This job succeeded:
/home/mcc/BenchKit/start.sh 7250000 /home/mcc/BenchKit/bin/verifypn-linux64 -s\ DFS\ -d\ 10 ./model.pnml ./CTLFireability.xml -x 6
FORMULA TCPcondis-PT-35-CTLFireability-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 ./CTLFireability.xml -x 7
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./CTLFireability.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: AX EG (not (((xFINACK >= 1) and (LASTACK >= 1)) or ((xFIN >= 1) and (FINWAIT2 >= 1))))
Query after reduction: AX EG (((xFINACK < 1) or (LASTACK < 1)) and ((xFIN < 1) or (FINWAIT2 < 1)))
Query size reduced from 17 to 17 nodes (0.00 percent reduction).
Query reduction finished after 0.001356 seconds.
Query is satisfied.
STATS:
Time (seconds): 0.01181
Configurations: 1893
Markings: 1889
Edges: 644
Processed Edges: 821
Processed N. Edges: 8
Explored Configs: 644
Query: AX!(AF!(((tokens-count(xFINACK) ls integer-constant(1) | tokens-count(LASTACK) ls integer-constant(1)) & (tokens-count(xFIN) ls integer-constant(1) | tokens-count(FINWAIT2) ls integer-constant(1)))))
parallel: This job succeeded:
/home/mcc/BenchKit/start.sh 7250000 /home/mcc/BenchKit/bin/verifypn-linux64 -s\ DFS\ -d\ 10 ./model.pnml ./CTLFireability.xml -x 7
FORMULA TCPcondis-PT-35-CTLFireability-6 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STRUCTURAL_REDUCTION STATE_COMPRESSION STUBBORN_SETS
------------------- QUERY 8 ----------------------
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 ./CTLFireability.xml -x 8
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./CTLFireability.xml -x 8
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): 0.008971
Configurations: 1571
Markings: 1323
Edges: 423
Processed Edges: 523
Processed N. Edges: 2
Explored Configs: 423
Query: ((!(AF!((tokens-count(CLOSED) ge integer-constant(1) | !((tokens-count(FIN) ge integer-constant(1) & tokens-count(xFINWAIT2) ge integer-constant(1)))))) | (A(tokens-count(xCLOSED) ge integer-constant(1)) U ((tokens-count(SYN) ge integer-constant(1) & (tokens-count(xSYNSENT) ge integer-constant(1) & tokens-count(SYNACK) ge integer-constant(1)))) & (tokens-count(CLOSED) ge integer-constant(1) | ((tokens-count(xCLOSEWAIT) ge integer-constant(1) | tokens-count(CLOSED) ge integer-constant(1)) & ((tokens-count(SYNRCVD) ge integer-constant(1) & tokens-count(xSYNACK) ge integer-constant(1)) | (tokens-count(FINACK) ge integer-constant(1) & tokens-count(xLASTACK) ge integer-constant(1))))))) | (!(((!((tokens-count(FIN) ge integer-constant(1) & tokens-count(xESTAB) ge integer-constant(1))) & (tokens-count(ESTAB) ge integer-constant(1) | (tokens-count(FIN) ge integer-constant(1) & tokens-count(xFINWAIT1) ge integer-constant(1)))) | AFtokens-count(CLOSEWAIT) ge integer-constant(1))) & tokens-count(xTIMEWAIT) ge integer-constant(1)))
parallel: This job succeeded:
/home/mcc/BenchKit/start.sh 14500000 /home/mcc/BenchKit/bin/verifypn-linux64 -s\ DFS\ -q\ 0\ -d\ 10 ./model.pnml ./CTLFireability.xml -x 8
FORMULA TCPcondis-PT-35-CTLFireability-7 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STRUCTURAL_REDUCTION STATE_COMPRESSION STUBBORN_SETS
------------------- 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 ./CTLFireability.xml -x 9
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./CTLFireability.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: EG AF AX ((xSYN >= 1) and (SYNSENT >= 1))
Query after reduction: EG AF AX ((xSYN >= 1) and (SYNSENT >= 1))
Query size reduced from 10 to 10 nodes (0.00 percent reduction).
Query reduction finished after 0.001069 seconds.
Query is NOT satisfied.
STATS:
Time (seconds): 0.009333
Configurations: 1618
Markings: 1290
Edges: 646
Processed Edges: 965
Processed N. Edges: 4
Explored Configs: 645
Query: !(AF!(AFAX(tokens-count(xSYN) ge integer-constant(1) & tokens-count(SYNSENT) ge integer-constant(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): 0.009272
Configurations: 1618
Markings: 1290
Edges: 646
Processed Edges: 965
Processed N. Edges: 4
Explored Configs: 645
Query: !(AF!(AFAX(tokens-count(xSYN) ge integer-constant(1) & tokens-count(SYNSENT) ge integer-constant(1))))
parallel: This job succeeded:
/home/mcc/BenchKit/start.sh 7250000 /home/mcc/BenchKit/bin/verifypn-linux64 -s\ DFS\ -d\ 10 ./model.pnml ./CTLFireability.xml -x 9
parallel: This job succeeded:
/home/mcc/BenchKit/start.sh 14500000 /home/mcc/BenchKit/bin/verifypn-linux64 -s\ DFS\ -q\ 0\ -d\ 10 ./model.pnml ./CTLFireability.xml -x 9
FORMULA TCPcondis-PT-35-CTLFireability-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 ./CTLFireability.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: EF ((xFINACK >= 1) and (CLOSING >= 1))
Query after reduction: EF ((xFINACK >= 1) and (CLOSING >= 1))
Query size reduced from 8 to 8 nodes (0.00 percent reduction).
Query reduction finished after 0.001532 seconds.
Size of net before structural reductions: 30 places, 32 transitions
Size of net after structural reductions: 26 places, 28 transitions
Structural reduction finished after 0.000141 seconds
Net reduction is enabled.
Removed transitions: 4
Removed places: 4
Applications of rule A: 2
Applications of rule B: 2
Applications of rule C: 0
Applications of rule D: 0
Applications of rule E: 0
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./CTLFireability.xml -x 10
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: 30 places, 32 transitions
Size of net after structural reductions: 26 places, 28 transitions
Structural reduction finished after 0.000137 seconds
Net reduction is enabled.
Removed transitions: 4
Removed places: 4
Applications of rule A: 2
Applications of rule B: 2
Applications of rule C: 0
Applications of rule D: 0
Applications of rule E: 0
Query is satisfied.
STATS:
discovered states: 1322
explored states: 1212
expanded states: 328
max tokens: 140
parallel: This job succeeded:
/home/mcc/BenchKit/start.sh 7250000 /home/mcc/BenchKit/bin/verifypn-linux64 -s\ DFS\ -d\ 10 ./model.pnml ./CTLFireability.xml -x 10
FORMULA TCPcondis-PT-35-CTLFireability-9 TRUE 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 ./CTLFireability.xml -x 11
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./CTLFireability.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: AF (xCLOSEWAIT >= 1)
Query after reduction: AF (xCLOSEWAIT >= 1)
Query size reduced from 4 to 4 nodes (0.00 percent reduction).
Query reduction finished after 0.000650 seconds.
Query is NOT satisfied.
STATS:
Time (seconds): 0.009485
Configurations: 1290
Markings: 1290
Edges: 321
Processed Edges: 321
Processed N. Edges: 0
Explored Configs: 321
Query: AFtokens-count(xCLOSEWAIT) ge integer-constant(1)
parallel: This job succeeded:
/home/mcc/BenchKit/start.sh 7250000 /home/mcc/BenchKit/bin/verifypn-linux64 -s\ DFS\ -d\ 10 ./model.pnml ./CTLFireability.xml -x 11
FORMULA TCPcondis-PT-35-CTLFireability-10 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STRUCTURAL_REDUCTION STATE_COMPRESSION STUBBORN_SETS
------------------- QUERY 12 ----------------------
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 ./CTLFireability.xml -x 12
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./CTLFireability.xml -x 12
------------------- 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 ./CTLFireability.xml -x 13
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./CTLFireability.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: ((LISTEN >= 1) or EF AX ((xFIN >= 1) and (ESTAB >= 1)))
Query after reduction: ((LISTEN >= 1) or EF AX ((xFIN >= 1) and (ESTAB >= 1)))
Query size reduced from 13 to 13 nodes (0.00 percent reduction).
Query reduction finished after 0.001371 seconds.
Query is satisfied.
STATS:
Time (seconds): 0.1155
Configurations: 29150
Markings: 22276
Edges: 44117
Processed Edges: 39279
Processed N. Edges: 0
Explored Configs: 13747
Query: (tokens-count(LISTEN) ge integer-constant(1) | EFAX(tokens-count(xFIN) ge integer-constant(1) & tokens-count(ESTAB) ge integer-constant(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 satisfied.
STATS:
Time (seconds): 0.1216
Configurations: 29150
Markings: 22276
Edges: 44117
Processed Edges: 39279
Processed N. Edges: 0
Explored Configs: 13747
Query: (tokens-count(LISTEN) ge integer-constant(1) | EFAX(tokens-count(xFIN) ge integer-constant(1) & tokens-count(ESTAB) ge integer-constant(1)))
parallel: This job succeeded:
/home/mcc/BenchKit/start.sh 7250000 /home/mcc/BenchKit/bin/verifypn-linux64 -s\ DFS\ -d\ 10 ./model.pnml ./CTLFireability.xml -x 13
FORMULA TCPcondis-PT-35-CTLFireability-12 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STRUCTURAL_REDUCTION STATE_COMPRESSION STUBBORN_SETS
------------------- QUERY 14 ----------------------
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 ./CTLFireability.xml -x 14
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./CTLFireability.xml -x 14
------------------- 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 ./CTLFireability.xml -x 15
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./CTLFireability.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: (not AF AX ((xCLOSED >= 1) and ((xSYN >= 1) and ((SYNSENT >= 1) and (xSYNACK >= 1)))))
Query after reduction: EG EX ((xCLOSED < 1) or ((xSYN < 1) or ((SYNSENT < 1) or (xSYNACK < 1))))
Query size reduced from 17 to 17 nodes (0.00 percent reduction).
Query reduction finished after 0.001589 seconds.
Query is satisfied.
STATS:
Time (seconds): 0.01306
Configurations: 1933
Markings: 1290
Edges: 1285
Processed Edges: 1284
Processed N. Edges: 965
Explored Configs: 964
Query: !(AF!(EX(tokens-count(xCLOSED) ls integer-constant(1) | (tokens-count(xSYN) ls integer-constant(1) | (tokens-count(SYNSENT) ls integer-constant(1) | tokens-count(xSYNACK) ls integer-constant(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 satisfied.
STATS:
Time (seconds): 0.0103
Configurations: 1612
Markings: 1290
Edges: 643
Processed Edges: 963
Processed N. Edges: 2
Explored Configs: 643
Query: !(AFAX(tokens-count(xCLOSED) ge integer-constant(1) & (tokens-count(xSYN) ge integer-constant(1) & (tokens-count(SYNSENT) ge integer-constant(1) & tokens-count(xSYNACK) ge integer-constant(1)))))
parallel: This job succeeded:
/home/mcc/BenchKit/start.sh 7250000 /home/mcc/BenchKit/bin/verifypn-linux64 -s\ DFS\ -d\ 10 ./model.pnml ./CTLFireability.xml -x 15
FORMULA TCPcondis-PT-35-CTLFireability-14 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STRUCTURAL_REDUCTION STATE_COMPRESSION STUBBORN_SETS
------------------- QUERY 16 ----------------------
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 ./CTLFireability.xml -x 16
Parameters: -s DFS -q 0 -d 10 ./model.pnml ./CTLFireability.xml -x 16
---------------------------------------------------
Step 2: Sequential processing
---------------------------------------------------
Remaining queries are verified sequentially.
Each query is verified for a dynamic timeout (at least 480 seconds)
------------------- QUERY 1 ----------------------
Running query 1 for 658 seconds. Remaining: 5 queries and 3283 seconds
Parameters: -s DFS -d 100 -q 100 ./model.pnml ./CTLFireability.xml -x 1
No solution found
------------------- QUERY 4 ----------------------
Running query 4 for 759 seconds. Remaining: 4 queries and 3031 seconds
Parameters: -s DFS -d 100 -q 100 ./model.pnml ./CTLFireability.xml -x 4
No solution found
------------------- QUERY 12 ----------------------
Running query 12 for 896 seconds. Remaining: 3 queries and 2684 seconds
Parameters: -s DFS -d 100 -q 100 ./model.pnml ./CTLFireability.xml -x 12
No solution found
------------------- QUERY 14 ----------------------
Running query 14 for 1225 seconds. Remaining: 2 queries and 2446 seconds
Parameters: -s DFS -d 100 -q 100 ./model.pnml ./CTLFireability.xml -x 14
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: A (EF (((SYNRCVD >= 1) and (xSYNACK >= 1)) and ((xFIN >= 1) and (FINWAIT2 >= 1))) U AX (not (CLOSED >= 1)))
Query after reduction: A (EF (((SYNRCVD >= 1) and (xSYNACK >= 1)) and ((xFIN >= 1) and (FINWAIT2 >= 1))) U AX (CLOSED < 1))
Query size reduced from 21 to 21 nodes (0.00 percent reduction).
Query reduction finished after 0.004987 seconds.
No solution found
------------------- QUERY 16 ----------------------
Running query 16 for 2209 seconds. Remaining: 1 queries and 2207 seconds
Parameters: -s DFS -d 100 -q 100 ./model.pnml ./CTLFireability.xml -x 16
No solution found
---------------------------------------------------
Step 3: Multiquery processing
---------------------------------------------------
Remaining 5 queries are solved using multiquery
Time remaining: 1821 seconds of the initial 3600 seconds
Running multiquery on -x 1,4,12,14,16 for 1821 seconds
Parameters: -s DFS -d 100 -q 100 -p ./model.pnml ./CTLFireability.xml -x 1,4,12,14,16
End of script.
BK_STOP 1496266822467
--------------------
content from stderr:
Command terminated by signal 11
Command being timed: "timeout 658 /home/mcc/BenchKit/bin/verifypn-linux64 -s DFS -d 100 -q 100 ./model.pnml ./CTLFireability.xml -x 1"
User time (seconds): 239.46
System time (seconds): 12.24
Percent of CPU this job got: 99%
Elapsed (wall clock) time (h:mm:ss or m:ss): 4:11.72
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): 14383844
Average resident set size (kbytes): 0
Major (requiring I/O) page faults: 0
Minor (reclaiming a frame) page faults: 3726713
Voluntary context switches: 3
Involuntary context switches: 471
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 759 /home/mcc/BenchKit/bin/verifypn-linux64 -s DFS -d 100 -q 100 ./model.pnml ./CTLFireability.xml -x 4"
User time (seconds): 336.36
System time (seconds): 10.18
Percent of CPU this job got: 99%
Elapsed (wall clock) time (h:mm:ss or m:ss): 5:47.03
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): 14499480
Average resident set size (kbytes): 0
Major (requiring I/O) page faults: 0
Minor (reclaiming a frame) page faults: 3624445
Voluntary context switches: 3
Involuntary context switches: 782
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 896 /home/mcc/BenchKit/bin/verifypn-linux64 -s DFS -d 100 -q 100 ./model.pnml ./CTLFireability.xml -x 12"
User time (seconds): 228.73
System time (seconds): 9.21
Percent of CPU this job got: 99%
Elapsed (wall clock) time (h:mm:ss or m:ss): 3:57.96
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): 14499516
Average resident set size (kbytes): 0
Major (requiring I/O) page faults: 0
Minor (reclaiming a frame) page faults: 3624537
Voluntary context switches: 3
Involuntary context switches: 428
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 1225 /home/mcc/BenchKit/bin/verifypn-linux64 -s DFS -d 100 -q 100 ./model.pnml ./CTLFireability.xml -x 14"
User time (seconds): 229.17
System time (seconds): 9.79
Percent of CPU this job got: 99%
Elapsed (wall clock) time (h:mm:ss or m:ss): 3:58.98
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): 14369920
Average resident set size (kbytes): 0
Major (requiring I/O) page faults: 0
Minor (reclaiming a frame) page faults: 3723095
Voluntary context switches: 5
Involuntary context switches: 438
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 2209 /home/mcc/BenchKit/bin/verifypn-linux64 -s DFS -d 100 -q 100 ./model.pnml ./CTLFireability.xml -x 16"
User time (seconds): 377.68
System time (seconds): 10.08
Percent of CPU this job got: 99%
Elapsed (wall clock) time (h:mm:ss or m:ss): 6:28.26
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): 14499504
Average resident set size (kbytes): 0
Major (requiring I/O) page faults: 0
Minor (reclaiming a frame) page faults: 3624464
Voluntary context switches: 3
Involuntary context switches: 877
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 1821 /home/mcc/BenchKit/bin/verifypn-linux64 -s DFS -d 100 -q 100 -p ./model.pnml ./CTLFireability.xml -x 1,4,12,14,16"
User time (seconds): 231.63
System time (seconds): 10.15
Percent of CPU this job got: 99%
Elapsed (wall clock) time (h:mm:ss or m:ss): 4:01.80
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): 14383864
Average resident set size (kbytes): 0
Major (requiring I/O) page faults: 0
Minor (reclaiming a frame) page faults: 3726955
Voluntary context switches: 3
Involuntary context switches: 426
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="S_TCPcondis-PT-35"
export BK_EXAMINATION="CTLFireability"
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/S_TCPcondis-PT-35.tgz
mv S_TCPcondis-PT-35 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 S_TCPcondis-PT-35, examination is CTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r159-ebro-149443465600229"
echo "====================================================================="
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "CTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLFireability" != "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 "CTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLFireability.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 ;