About the Execution of LoLA for LamportFastMutEx-COL-8
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
3221.464 | 16248.00 | 16963.00 | 52.80 | TTTFTTFTTFTTTTTT | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2023-input.r230-tall-167856414600391.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
............................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool lola
Input is LamportFastMutEx-COL-8, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r230-tall-167856414600391
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 472K
-rw-r--r-- 1 mcc users 6.5K Feb 25 13:46 CTLCardinality.txt
-rw-r--r-- 1 mcc users 65K Feb 25 13:46 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.4K Feb 25 13:44 CTLFireability.txt
-rw-r--r-- 1 mcc users 65K Feb 25 13:44 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:20 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 16:20 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Feb 25 16:20 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 16:20 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.5K Feb 25 13:51 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 86K Feb 25 13:51 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.7K Feb 25 13:50 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 74K Feb 25 13:50 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 16:20 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:20 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 equiv_pt
-rw-r--r-- 1 mcc users 2 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 44K Mar 5 18:22 model.pnml
--------------------
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 LamportFastMutEx-COL-8-ReachabilityFireability-00
FORMULA_NAME LamportFastMutEx-COL-8-ReachabilityFireability-01
FORMULA_NAME LamportFastMutEx-COL-8-ReachabilityFireability-02
FORMULA_NAME LamportFastMutEx-COL-8-ReachabilityFireability-03
FORMULA_NAME LamportFastMutEx-COL-8-ReachabilityFireability-04
FORMULA_NAME LamportFastMutEx-COL-8-ReachabilityFireability-05
FORMULA_NAME LamportFastMutEx-COL-8-ReachabilityFireability-06
FORMULA_NAME LamportFastMutEx-COL-8-ReachabilityFireability-07
FORMULA_NAME LamportFastMutEx-COL-8-ReachabilityFireability-08
FORMULA_NAME LamportFastMutEx-COL-8-ReachabilityFireability-09
FORMULA_NAME LamportFastMutEx-COL-8-ReachabilityFireability-10
FORMULA_NAME LamportFastMutEx-COL-8-ReachabilityFireability-11
FORMULA_NAME LamportFastMutEx-COL-8-ReachabilityFireability-12
FORMULA_NAME LamportFastMutEx-COL-8-ReachabilityFireability-13
FORMULA_NAME LamportFastMutEx-COL-8-ReachabilityFireability-14
FORMULA_NAME LamportFastMutEx-COL-8-ReachabilityFireability-15
=== Now, execution of the tool begins
BK_START 1679460786756
bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=lola
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=LamportFastMutEx-COL-8
Not applying reductions.
Model is COL
ReachabilityFireability COL
starting LoLA
BK_INPUT LamportFastMutEx-COL-8
BK_EXAMINATION: ReachabilityFireability
bin directory: /home/mcc/BenchKit/bin//../lola/bin/
current directory: /home/mcc/execution
ReachabilityFireability
FORMULA LamportFastMutEx-COL-8-ReachabilityFireability-13 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA LamportFastMutEx-COL-8-ReachabilityFireability-01 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA LamportFastMutEx-COL-8-ReachabilityFireability-05 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA LamportFastMutEx-COL-8-ReachabilityFireability-11 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA LamportFastMutEx-COL-8-ReachabilityFireability-00 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA LamportFastMutEx-COL-8-ReachabilityFireability-09 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA LamportFastMutEx-COL-8-ReachabilityFireability-04 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA LamportFastMutEx-COL-8-ReachabilityFireability-10 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA LamportFastMutEx-COL-8-ReachabilityFireability-03 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA LamportFastMutEx-COL-8-ReachabilityFireability-14 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA LamportFastMutEx-COL-8-ReachabilityFireability-15 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA LamportFastMutEx-COL-8-ReachabilityFireability-08 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA LamportFastMutEx-COL-8-ReachabilityFireability-07 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA LamportFastMutEx-COL-8-ReachabilityFireability-12 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA LamportFastMutEx-COL-8-ReachabilityFireability-02 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA LamportFastMutEx-COL-8-ReachabilityFireability-06 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
BK_STOP 1679460803004
--------------------
content from stderr:
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/model.pnml
lola: reading pnml
lola: PNML file contains High-Level net
lola: finished parsing
lola: closed net file /home/mcc/execution/model.pnml
lola: Reading HL formula in XML format (--xmlformula)
lola: reading formula from /home/mcc/execution/ReachabilityFireability.xml
lola: rewrite Frontend/Parser/formula_rewrite.k:98
lola: rewrite Frontend/Parser/formula_rewrite.k:159
lola: rewrite Frontend/Parser/formula_rewrite.k:150
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: LAUNCH task # 49 (type SKEL/FNDP) for 0 LamportFastMutEx-COL-8-ReachabilityFireability-00
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 50 (type SKEL/EQUN) for 0 LamportFastMutEx-COL-8-ReachabilityFireability-00
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 59 (type SKEL/SRCH) for 0 LamportFastMutEx-COL-8-ReachabilityFireability-00
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 60 (type SKEL/SRCH) for 0 LamportFastMutEx-COL-8-ReachabilityFireability-00
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: LAUNCH INITIAL
lola: LAUNCH task # 41 (type SKEL/CNST) for 39 LamportFastMutEx-COL-8-ReachabilityFireability-13
lola: time limit : 0 sec
lola: memory limit: 0 pages
lola: FINISHED task # 59 (type SKEL/SRCH) for LamportFastMutEx-COL-8-ReachabilityFireability-00
lola: result : true
lola: markings : 14
lola: fired transitions : 13
lola: time used : 0.000000
lola: memory pages used : 1
lola: CANCELED task # 49 (type FNDP) for LamportFastMutEx-COL-8-ReachabilityFireability-00 (obsolete)
lola: CANCELED task # 50 (type EQUN) for LamportFastMutEx-COL-8-ReachabilityFireability-00 (obsolete)
lola: CANCELED task # 60 (type SRCH) for LamportFastMutEx-COL-8-ReachabilityFireability-00 (obsolete)
lola: LAUNCH task # 63 (type SKEL/FNDP) for 15 LamportFastMutEx-COL-8-ReachabilityFireability-05
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: TR BINDINGS
lola: LAUNCH task # 64 (type SKEL/EQUN) for 15 LamportFastMutEx-COL-8-ReachabilityFireability-05
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: LAUNCH task # 66 (type SKEL/SRCH) for 15 LamportFastMutEx-COL-8-ReachabilityFireability-05
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: FINISHED task # 41 (type SKEL/CNST) for LamportFastMutEx-COL-8-ReachabilityFireability-13
lola: result : true
lola: LAUNCH task # 70 (type SKEL/FNDP) for 12 LamportFastMutEx-COL-8-ReachabilityFireability-04
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: FINISHED task # 49 (type SKEL/FNDP) for LamportFastMutEx-COL-8-ReachabilityFireability-00
lola: result : true
lola: fired transitions : 12
lola: tried executions : 1
lola: time used : 0.000000
lola: memory pages used : 0
lola: FINISHED task # 66 (type SKEL/SRCH) for LamportFastMutEx-COL-8-ReachabilityFireability-05
lola: result : true
lola: markings : 2
lola: fired transitions : 1
lola: time used : 0.000000
lola: memory pages used : 1
lola: CANCELED task # 63 (type FNDP) for LamportFastMutEx-COL-8-ReachabilityFireability-05 (obsolete)
lola: CANCELED task # 64 (type EQUN) for LamportFastMutEx-COL-8-ReachabilityFireability-05 (obsolete)
lola: LAUNCH task # 52 (type SKEL/FNDP) for 30 LamportFastMutEx-COL-8-ReachabilityFireability-10
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 54 (type SKEL/EQUN) for 30 LamportFastMutEx-COL-8-ReachabilityFireability-10
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 56 (type SKEL/SRCH) for 30 LamportFastMutEx-COL-8-ReachabilityFireability-10
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: FINISHED task # 64 (type SKEL/EQUN) for LamportFastMutEx-COL-8-ReachabilityFireability-05
lola: result : unknown
lola: rewrite Frontend/Parser/formula_rewrite.k:711
sara: try reading problem file /home/mcc/execution/ReachabilityFireability-50.sara.
lola: TR BINDINGS DONE
lola: Places: 315, Transitions: 666
lola: FINISHED task # 63 (type SKEL/FNDP) for LamportFastMutEx-COL-8-ReachabilityFireability-05
lola: result : true
lola: tried executions : 1
lola: time used : 0.000000
lola: memory pages used : 0
lola: FINISHED task # 70 (type SKEL/FNDP) for LamportFastMutEx-COL-8-ReachabilityFireability-04
lola: result : true
lola: tried executions : 1
lola: time used : 0.000000
lola: memory pages used : 0
lola: LAUNCH task # 57 (type SKEL/SRCH) for 30 LamportFastMutEx-COL-8-ReachabilityFireability-10
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: FINISHED task # 57 (type SKEL/SRCH) for LamportFastMutEx-COL-8-ReachabilityFireability-10
lola: result : true
lola: markings : 21
lola: fired transitions : 21
lola: time used : 0.000000
lola: memory pages used : 1
lola: CANCELED task # 52 (type FNDP) for LamportFastMutEx-COL-8-ReachabilityFireability-10 (obsolete)
lola: CANCELED task # 54 (type EQUN) for LamportFastMutEx-COL-8-ReachabilityFireability-10 (obsolete)
lola: CANCELED task # 56 (type SRCH) for LamportFastMutEx-COL-8-ReachabilityFireability-10 (obsolete)
lola: FINISHED task # 54 (type SKEL/EQUN) for LamportFastMutEx-COL-8-ReachabilityFireability-10
lola: result : unknown
lola: FINISHED task # 52 (type SKEL/FNDP) for LamportFastMutEx-COL-8-ReachabilityFireability-10
lola: result : true
lola: fired transitions : 2
lola: tried executions : 1
lola: time used : 0.000000
lola: memory pages used : 0
lola: FINISHED task # 50 (type SKEL/EQUN) for LamportFastMutEx-COL-8-ReachabilityFireability-00
lola: result : true
lola: @ trans T-setbi_24
lola: @ trans T-yne0_4
lola: @ trans T-fordo_12
lola: @ trans T-xeqi_10
lola: @ trans T-sety_9
lola: @ trans T-setbi_2
lola: @ trans T-awaity
lola: @ trans T-setbi_11
lola: @ trans T-ynei_15
lola: @ trans T-forod_13
lola: @ trans T-setbi_5
lola: @ trans T-xnei_10
lola: @ trans T-await_13
lola: @ trans T-yeq0_4
lola: @ trans T-yeqi_15
lola: @ trans T-sety0_23
lola: @ trans T-setx_3
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
LamportFastMutEx-COL-8-ReachabilityFireability-13: INITIAL true skeleton: preprocessing
PENDING FORMULAS: CATEGORY IDL ACT RUN SUS FIN C/T C/M OBS
LamportFastMutEx-COL-8-ReachabilityFireability-00: EF 0 0 0 0 3 0 0 2
LamportFastMutEx-COL-8-ReachabilityFireability-01: EF 0 0 0 0 1 0 0 0
LamportFastMutEx-COL-8-ReachabilityFireability-02: EF 0 0 0 0 1 0 0 0
LamportFastMutEx-COL-8-ReachabilityFireability-03: AG 0 0 0 0 1 0 0 0
LamportFastMutEx-COL-8-ReachabilityFireability-04: EF 0 0 0 0 1 0 0 4
LamportFastMutEx-COL-8-ReachabilityFireability-05: EF 0 0 0 0 3 0 0 2
LamportFastMutEx-COL-8-ReachabilityFireability-06: AG 0 0 0 0 1 0 0 0
LamportFastMutEx-COL-8-ReachabilityFireability-07: EF 0 0 0 0 1 0 0 0
LamportFastMutEx-COL-8-ReachabilityFireability-08: EF 0 0 0 0 1 0 0 0
LamportFastMutEx-COL-8-ReachabilityFireability-09: AG 0 0 0 0 1 0 0 0
LamportFastMutEx-COL-8-ReachabilityFireability-10: EF 0 0 0 0 3 0 0 2
LamportFastMutEx-COL-8-ReachabilityFireability-11: EF 0 0 0 0 1 0 0 0
LamportFastMutEx-COL-8-ReachabilityFireability-12: EF 0 0 0 0 1 0 0 0
LamportFastMutEx-COL-8-ReachabilityFireability-14: EF 0 0 0 0 1 0 0 0
LamportFastMutEx-COL-8-ReachabilityFireability-15: EF 0 0 0 0 1 0 0 0
TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS
Time elapsed: 6 secs. Pages in use: 1
# running tasks: 0 of 4 Visible: 16
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
LamportFastMutEx-COL-8-ReachabilityFireability-13: INITIAL true skeleton: preprocessing
PENDING FORMULAS: CATEGORY IDL ACT RUN SUS FIN C/T C/M OBS
LamportFastMutEx-COL-8-ReachabilityFireability-00: EF 0 0 0 0 3 0 0 2
LamportFastMutEx-COL-8-ReachabilityFireability-01: EF 0 0 0 0 1 0 0 0
LamportFastMutEx-COL-8-ReachabilityFireability-02: EF 0 0 0 0 1 0 0 0
LamportFastMutEx-COL-8-ReachabilityFireability-03: AG 0 0 0 0 1 0 0 0
LamportFastMutEx-COL-8-ReachabilityFireability-04: EF 0 0 0 0 1 0 0 4
LamportFastMutEx-COL-8-ReachabilityFireability-05: EF 0 0 0 0 3 0 0 2
LamportFastMutEx-COL-8-ReachabilityFireability-06: AG 0 0 0 0 1 0 0 0
LamportFastMutEx-COL-8-ReachabilityFireability-07: EF 0 0 0 0 1 0 0 0
LamportFastMutEx-COL-8-ReachabilityFireability-08: EF 0 0 0 0 1 0 0 0
LamportFastMutEx-COL-8-ReachabilityFireability-09: AG 0 0 0 0 1 0 0 0
LamportFastMutEx-COL-8-ReachabilityFireability-10: EF 0 0 0 0 3 0 0 2
LamportFastMutEx-COL-8-ReachabilityFireability-11: EF 0 0 0 0 1 0 0 0
LamportFastMutEx-COL-8-ReachabilityFireability-12: EF 0 0 0 0 1 0 0 0
LamportFastMutEx-COL-8-ReachabilityFireability-14: EF 0 0 0 0 1 0 0 0
LamportFastMutEx-COL-8-ReachabilityFireability-15: EF 0 0 0 0 1 0 0 0
TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS
Time elapsed: 11 secs. Pages in use: 1
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FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
LamportFastMutEx-COL-8-ReachabilityFireability-13: INITIAL true skeleton: preprocessing
PENDING FORMULAS: CATEGORY IDL ACT RUN SUS FIN C/T C/M OBS
LamportFastMutEx-COL-8-ReachabilityFireability-00: EF 0 0 0 0 3 0 0 2
LamportFastMutEx-COL-8-ReachabilityFireability-01: EF 0 0 0 0 1 0 0 0
LamportFastMutEx-COL-8-ReachabilityFireability-02: EF 0 0 0 0 1 0 0 0
LamportFastMutEx-COL-8-ReachabilityFireability-03: AG 0 0 0 0 1 0 0 0
LamportFastMutEx-COL-8-ReachabilityFireability-04: EF 0 0 0 0 1 0 0 4
LamportFastMutEx-COL-8-ReachabilityFireability-05: EF 0 0 0 0 3 0 0 2
LamportFastMutEx-COL-8-ReachabilityFireability-06: AG 0 0 0 0 1 0 0 0
LamportFastMutEx-COL-8-ReachabilityFireability-07: EF 0 0 0 0 1 0 0 0
LamportFastMutEx-COL-8-ReachabilityFireability-08: EF 0 0 0 0 1 0 0 0
LamportFastMutEx-COL-8-ReachabilityFireability-09: AG 0 0 0 0 1 0 0 0
LamportFastMutEx-COL-8-ReachabilityFireability-10: EF 0 0 0 0 3 0 0 2
LamportFastMutEx-COL-8-ReachabilityFireability-11: EF 0 0 0 0 1 0 0 0
LamportFastMutEx-COL-8-ReachabilityFireability-12: EF 0 0 0 0 1 0 0 0
LamportFastMutEx-COL-8-ReachabilityFireability-14: EF 0 0 0 0 1 0 0 0
LamportFastMutEx-COL-8-ReachabilityFireability-15: EF 0 0 0 0 1 0 0 0
TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS
Time elapsed: 16 secs. Pages in use: 1
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lola: Rule S: 82 transitions removed,49 places removed
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: LAUNCH task # 80 (type EXCL) for 3 LamportFastMutEx-COL-8-ReachabilityFireability-01
lola: time limit : 238 sec
lola: memory limit: 32 pages
lola: LAUNCH task # 76 (type FNDP) for 3 LamportFastMutEx-COL-8-ReachabilityFireability-01
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 77 (type EQUN) for 3 LamportFastMutEx-COL-8-ReachabilityFireability-01
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 79 (type SRCH) for 3 LamportFastMutEx-COL-8-ReachabilityFireability-01
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: FINISHED task # 80 (type EXCL) for LamportFastMutEx-COL-8-ReachabilityFireability-01
lola: result : true
lola: markings : 53
lola: fired transitions : 52
lola: time used : 0.000000
lola: memory pages used : 1
lola: CANCELED task # 76 (type FNDP) for LamportFastMutEx-COL-8-ReachabilityFireability-01 (obsolete)
lola: CANCELED task # 77 (type EQUN) for LamportFastMutEx-COL-8-ReachabilityFireability-01 (obsolete)
lola: CANCELED task # 79 (type SRCH) for LamportFastMutEx-COL-8-ReachabilityFireability-01 (obsolete)
lola: LAUNCH task # 98 (type EXCL) for 15 LamportFastMutEx-COL-8-ReachabilityFireability-05
lola: time limit : 325 sec
lola: memory limit: 32 pages
lola: LAUNCH task # 88 (type FNDP) for 33 LamportFastMutEx-COL-8-ReachabilityFireability-11
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 89 (type EQUN) for 33 LamportFastMutEx-COL-8-ReachabilityFireability-11
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 91 (type SRCH) for 33 LamportFastMutEx-COL-8-ReachabilityFireability-11
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: FINISHED task # 98 (type EXCL) for LamportFastMutEx-COL-8-ReachabilityFireability-05
lola: result : true
lola: markings : 28
lola: fired transitions : 27
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 86 (type EXCL) for 0 LamportFastMutEx-COL-8-ReachabilityFireability-00
lola: time limit : 358 sec
lola: memory limit: 32 pages
lola: FINISHED task # 76 (type FNDP) for LamportFastMutEx-COL-8-ReachabilityFireability-01
lola: result : true
lola: fired transitions : 2458
lola: tried executions : 1
lola: time used : 0.000000
lola: memory pages used : 0
lola: FINISHED task # 88 (type FNDP) for LamportFastMutEx-COL-8-ReachabilityFireability-11
lola: result : true
lola: fired transitions : 5
lola: tried executions : 1
lola: time used : 0.000000
lola: memory pages used : 0
lola: CANCELED task # 89 (type EQUN) for LamportFastMutEx-COL-8-ReachabilityFireability-11 (obsolete)
lola: CANCELED task # 91 (type SRCH) for LamportFastMutEx-COL-8-ReachabilityFireability-11 (obsolete)
lola: LAUNCH task # 113 (type FNDP) for 27 LamportFastMutEx-COL-8-ReachabilityFireability-09
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 114 (type EQUN) for 27 LamportFastMutEx-COL-8-ReachabilityFireability-09
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 116 (type SRCH) for 27 LamportFastMutEx-COL-8-ReachabilityFireability-09
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: FINISHED task # 89 (type EQUN) for LamportFastMutEx-COL-8-ReachabilityFireability-11
lola: result : unknown
lola: FINISHED task # 113 (type FNDP) for LamportFastMutEx-COL-8-ReachabilityFireability-09
lola: result : true
lola: fired transitions : 301
lola: tried executions : 1
lola: time used : 0.000000
lola: memory pages used : 0
lola: FINISHED task # 86 (type EXCL) for LamportFastMutEx-COL-8-ReachabilityFireability-00
lola: result : true
lola: markings : 756
lola: fired transitions : 833
lola: time used : 0.000000
lola: memory pages used : 1
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: CANCELED task # 114 (type EQUN) for LamportFastMutEx-COL-8-ReachabilityFireability-09 (obsolete)
lola: CANCELED task # 116 (type SRCH) for LamportFastMutEx-COL-8-ReachabilityFireability-09 (obsolete)
lola: LAUNCH task # 149 (type EXCL) for 12 LamportFastMutEx-COL-8-ReachabilityFireability-04
lola: time limit : 398 sec
lola: memory limit: 32 pages
lola: LAUNCH task # 139 (type FNDP) for 9 LamportFastMutEx-COL-8-ReachabilityFireability-03
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 140 (type EQUN) for 9 LamportFastMutEx-COL-8-ReachabilityFireability-03
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 142 (type SRCH) for 9 LamportFastMutEx-COL-8-ReachabilityFireability-03
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: FINISHED task # 149 (type EXCL) for LamportFastMutEx-COL-8-ReachabilityFireability-04
lola: result : true
lola: markings : 28
lola: fired transitions : 27
lola: time used : 0.000000
lola: memory pages used : 1
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: LAUNCH task # 133 (type EXCL) for 30 LamportFastMutEx-COL-8-ReachabilityFireability-10
lola: time limit : 398 sec
lola: memory limit: 32 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: FINISHED task # 133 (type EXCL) for LamportFastMutEx-COL-8-ReachabilityFireability-10
lola: result : true
lola: markings : 27
lola: fired transitions : 26
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 154 (type EXCL) for 45 LamportFastMutEx-COL-8-ReachabilityFireability-15
lola: time limit : 448 sec
lola: memory limit: 32 pages
lola: FINISHED task # 139 (type FNDP) for LamportFastMutEx-COL-8-ReachabilityFireability-03
lola: result : true
lola: fired transitions : 254
lola: tried executions : 1
lola: time used : 0.000000
lola: memory pages used : 0
lola: CANCELED task # 140 (type EQUN) for LamportFastMutEx-COL-8-ReachabilityFireability-03 (obsolete)
lola: CANCELED task # 142 (type SRCH) for LamportFastMutEx-COL-8-ReachabilityFireability-03 (obsolete)
lola: LAUNCH task # 163 (type FNDP) for 42 LamportFastMutEx-COL-8-ReachabilityFireability-14
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 164 (type EQUN) for 42 LamportFastMutEx-COL-8-ReachabilityFireability-14
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 166 (type SRCH) for 42 LamportFastMutEx-COL-8-ReachabilityFireability-14
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: FINISHED task # 166 (type SRCH) for LamportFastMutEx-COL-8-ReachabilityFireability-14
lola: result : true
lola: markings : 9
lola: fired transitions : 8
lola: time used : 0.000000
lola: memory pages used : 1
lola: CANCELED task # 163 (type FNDP) for LamportFastMutEx-COL-8-ReachabilityFireability-14 (obsolete)
lola: CANCELED task # 164 (type EQUN) for LamportFastMutEx-COL-8-ReachabilityFireability-14 (obsolete)
lola: LAUNCH task # 100 (type FNDP) for 24 LamportFastMutEx-COL-8-ReachabilityFireability-08
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 101 (type EQUN) for 24 LamportFastMutEx-COL-8-ReachabilityFireability-08
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: LAUNCH task # 103 (type SRCH) for 24 LamportFastMutEx-COL-8-ReachabilityFireability-08
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: FINISHED task # 140 (type EQUN) for LamportFastMutEx-COL-8-ReachabilityFireability-03
lola: result : unknown
lola: FINISHED task # 154 (type EXCL) for LamportFastMutEx-COL-8-ReachabilityFireability-15
lola: result : true
lola: markings : 52
lola: fired transitions : 51
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 136 (type EXCL) for 21 LamportFastMutEx-COL-8-ReachabilityFireability-07
lola: time limit : 716 sec
lola: memory limit: 32 pages
lola: FINISHED task # 100 (type FNDP) for LamportFastMutEx-COL-8-ReachabilityFireability-08
lola: result : true
lola: fired transitions : 1160
lola: tried executions : 1
lola: time used : 0.000000
lola: memory pages used : 0
lola: CANCELED task # 101 (type EQUN) for LamportFastMutEx-COL-8-ReachabilityFireability-08 (obsolete)
lola: CANCELED task # 103 (type SRCH) for LamportFastMutEx-COL-8-ReachabilityFireability-08 (obsolete)
lola: LAUNCH task # 125 (type FNDP) for 36 LamportFastMutEx-COL-8-ReachabilityFireability-12
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 127 (type EQUN) for 36 LamportFastMutEx-COL-8-ReachabilityFireability-12
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: LAUNCH task # 129 (type SRCH) for 36 LamportFastMutEx-COL-8-ReachabilityFireability-12
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: FINISHED task # 136 (type EXCL) for LamportFastMutEx-COL-8-ReachabilityFireability-07
lola: result : true
lola: markings : 23
lola: fired transitions : 22
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 110 (type EXCL) for 6 LamportFastMutEx-COL-8-ReachabilityFireability-02
lola: time limit : 1194 sec
lola: memory limit: 32 pages
lola: FINISHED task # 129 (type SRCH) for LamportFastMutEx-COL-8-ReachabilityFireability-12
lola: result : true
lola: markings : 82
lola: fired transitions : 82
lola: time used : 0.000000
lola: memory pages used : 1
lola: CANCELED task # 125 (type FNDP) for LamportFastMutEx-COL-8-ReachabilityFireability-12 (obsolete)
lola: CANCELED task # 127 (type EQUN) for LamportFastMutEx-COL-8-ReachabilityFireability-12 (obsolete)
lola: LAUNCH task # 157 (type FNDP) for 18 LamportFastMutEx-COL-8-ReachabilityFireability-06
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 158 (type EQUN) for 18 LamportFastMutEx-COL-8-ReachabilityFireability-06
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: LAUNCH task # 160 (type SRCH) for 18 LamportFastMutEx-COL-8-ReachabilityFireability-06
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: FINISHED task # 110 (type EXCL) for LamportFastMutEx-COL-8-ReachabilityFireability-02
lola: result : true
lola: markings : 67
lola: fired transitions : 67
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 161 (type EXCL) for 18 LamportFastMutEx-COL-8-ReachabilityFireability-06
lola: time limit : 3584 sec
lola: memory limit: 32 pages
lola: FINISHED task # 160 (type SRCH) for LamportFastMutEx-COL-8-ReachabilityFireability-06
lola: result : true
lola: markings : 1273
lola: fired transitions : 2484
lola: time used : 0.000000
lola: memory pages used : 1
lola: CANCELED task # 157 (type FNDP) for LamportFastMutEx-COL-8-ReachabilityFireability-06 (obsolete)
lola: CANCELED task # 158 (type EQUN) for LamportFastMutEx-COL-8-ReachabilityFireability-06 (obsolete)
lola: CANCELED task # 161 (type EXCL) for LamportFastMutEx-COL-8-ReachabilityFireability-06 (obsolete)
lola: Portfolio finished: no open formulas
FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
LamportFastMutEx-COL-8-ReachabilityFireability-00: EF true tandem / relaxed
LamportFastMutEx-COL-8-ReachabilityFireability-01: EF true tandem / relaxed
LamportFastMutEx-COL-8-ReachabilityFireability-02: EF true tandem / relaxed
LamportFastMutEx-COL-8-ReachabilityFireability-03: AG false findpath
LamportFastMutEx-COL-8-ReachabilityFireability-04: EF true tandem / relaxed
LamportFastMutEx-COL-8-ReachabilityFireability-05: EF true tandem / relaxed
LamportFastMutEx-COL-8-ReachabilityFireability-06: AG false tandem / insertion
LamportFastMutEx-COL-8-ReachabilityFireability-07: EF true tandem / relaxed
LamportFastMutEx-COL-8-ReachabilityFireability-08: EF true findpath
LamportFastMutEx-COL-8-ReachabilityFireability-09: AG false findpath
LamportFastMutEx-COL-8-ReachabilityFireability-10: EF true tandem / relaxed
LamportFastMutEx-COL-8-ReachabilityFireability-11: EF true findpath
LamportFastMutEx-COL-8-ReachabilityFireability-12: EF true tandem / insertion
LamportFastMutEx-COL-8-ReachabilityFireability-13: INITIAL true skeleton: preprocessing
LamportFastMutEx-COL-8-ReachabilityFireability-14: EF true tandem / insertion
LamportFastMutEx-COL-8-ReachabilityFireability-15: EF true tandem / relaxed
Time elapsed: 16 secs. Pages in use: 3
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="LamportFastMutEx-COL-8"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="lola"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# 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
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool lola"
echo " Input is LamportFastMutEx-COL-8, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r230-tall-167856414600391"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/LamportFastMutEx-COL-8.tgz
mv LamportFastMutEx-COL-8 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityFireability.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
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;