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.r455-smll-167912647300415.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)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is StigmergyCommit-PT-03a, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r455-smll-167912647300415
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 472K
-rw-r--r-- 1 mcc users 7.3K Feb 26 10:56 CTLCardinality.txt
-rw-r--r-- 1 mcc users 79K Feb 26 10:56 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K Feb 26 10:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K Feb 26 10:54 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 17:11 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 17:11 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 17:11 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 17:11 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.4K Feb 26 10:58 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 95K Feb 26 10:58 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 4.8K Feb 26 10:57 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 33K Feb 26 10:57 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 17:11 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 17:11 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 98K Mar 5 18:23 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 StigmergyCommit-PT-03a-ReachabilityFireability-00
FORMULA_NAME StigmergyCommit-PT-03a-ReachabilityFireability-01
FORMULA_NAME StigmergyCommit-PT-03a-ReachabilityFireability-02
FORMULA_NAME StigmergyCommit-PT-03a-ReachabilityFireability-03
FORMULA_NAME StigmergyCommit-PT-03a-ReachabilityFireability-04
FORMULA_NAME StigmergyCommit-PT-03a-ReachabilityFireability-05
FORMULA_NAME StigmergyCommit-PT-03a-ReachabilityFireability-06
FORMULA_NAME StigmergyCommit-PT-03a-ReachabilityFireability-07
FORMULA_NAME StigmergyCommit-PT-03a-ReachabilityFireability-08
FORMULA_NAME StigmergyCommit-PT-03a-ReachabilityFireability-09
FORMULA_NAME StigmergyCommit-PT-03a-ReachabilityFireability-10
FORMULA_NAME StigmergyCommit-PT-03a-ReachabilityFireability-11
FORMULA_NAME StigmergyCommit-PT-03a-ReachabilityFireability-12
FORMULA_NAME StigmergyCommit-PT-03a-ReachabilityFireability-13
FORMULA_NAME StigmergyCommit-PT-03a-ReachabilityFireability-14
FORMULA_NAME StigmergyCommit-PT-03a-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1679244214082

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=lolaxred
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=StigmergyCommit-PT-03a
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-19 16:43:37] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2023-03-19 16:43:37] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-19 16:43:37] [INFO ] Load time of PNML (sax parser for PT used): 115 ms
[2023-03-19 16:43:37] [INFO ] Transformed 148 places.
[2023-03-19 16:43:37] [INFO ] Transformed 332 transitions.
[2023-03-19 16:43:37] [INFO ] Found NUPN structural information;
[2023-03-19 16:43:37] [INFO ] Parsed PT model containing 148 places and 332 transitions and 1538 arcs in 242 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 11 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 110 transitions
Reduce redundant transitions removed 110 transitions.
Incomplete random walk after 10000 steps, including 25 resets, run finished after 366 ms. (steps per millisecond=27 ) properties (out of 16) seen :15
FORMULA StigmergyCommit-PT-03a-ReachabilityFireability-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA StigmergyCommit-PT-03a-ReachabilityFireability-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA StigmergyCommit-PT-03a-ReachabilityFireability-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA StigmergyCommit-PT-03a-ReachabilityFireability-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA StigmergyCommit-PT-03a-ReachabilityFireability-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA StigmergyCommit-PT-03a-ReachabilityFireability-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA StigmergyCommit-PT-03a-ReachabilityFireability-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA StigmergyCommit-PT-03a-ReachabilityFireability-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA StigmergyCommit-PT-03a-ReachabilityFireability-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA StigmergyCommit-PT-03a-ReachabilityFireability-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA StigmergyCommit-PT-03a-ReachabilityFireability-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA StigmergyCommit-PT-03a-ReachabilityFireability-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA StigmergyCommit-PT-03a-ReachabilityFireability-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA StigmergyCommit-PT-03a-ReachabilityFireability-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA StigmergyCommit-PT-03a-ReachabilityFireability-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 8 resets, run finished after 104 ms. (steps per millisecond=96 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-19 16:43:37] [INFO ] Flow matrix only has 210 transitions (discarded 12 similar events)
// Phase 1: matrix 210 rows 148 cols
[2023-03-19 16:43:38] [INFO ] Computed 5 place invariants in 16 ms
[2023-03-19 16:43:38] [INFO ] After 403ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 16:43:38] [INFO ] After 124ms SMT Verify possible using all constraints in natural domain returned unsat :1 sat :0
FORMULA StigmergyCommit-PT-03a-ReachabilityFireability-12 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 1 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 1 ms.
All properties solved without resorting to model-checking.
Total runtime 1515 ms.
starting LoLA
BK_INPUT StigmergyCommit-PT-03a
BK_EXAMINATION: ReachabilityFireability
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution
ReachabilityFireability

FORMULA StigmergyCommit-PT-03a-ReachabilityFireability-04 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA StigmergyCommit-PT-03a-ReachabilityFireability-02 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA StigmergyCommit-PT-03a-ReachabilityFireability-06 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA StigmergyCommit-PT-03a-ReachabilityFireability-05 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA StigmergyCommit-PT-03a-ReachabilityFireability-00 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA StigmergyCommit-PT-03a-ReachabilityFireability-11 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA StigmergyCommit-PT-03a-ReachabilityFireability-09 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA StigmergyCommit-PT-03a-ReachabilityFireability-03 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA StigmergyCommit-PT-03a-ReachabilityFireability-10 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA StigmergyCommit-PT-03a-ReachabilityFireability-12 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA StigmergyCommit-PT-03a-ReachabilityFireability-01 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA StigmergyCommit-PT-03a-ReachabilityFireability-15 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA StigmergyCommit-PT-03a-ReachabilityFireability-13 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA StigmergyCommit-PT-03a-ReachabilityFireability-08 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA StigmergyCommit-PT-03a-ReachabilityFireability-14 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA StigmergyCommit-PT-03a-ReachabilityFireability-07 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1679244220364

--------------------
content from stderr:

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -timeout 360 -rebuildPNML
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 place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/ReachabilityFireability.xml
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Rule S: 0 transitions removed,0 places removed
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
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 # 52 (type EXCL) for 12 StigmergyCommit-PT-03a-ReachabilityFireability-04
lola: time limit : 171 sec
lola: memory limit: 32 pages
lola: LAUNCH task # 48 (type FNDP) for 12 StigmergyCommit-PT-03a-ReachabilityFireability-04
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 49 (type EQUN) for 12 StigmergyCommit-PT-03a-ReachabilityFireability-04
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 51 (type SRCH) for 12 StigmergyCommit-PT-03a-ReachabilityFireability-04
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: Created skeleton in 0.000000 secs.
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: FINISHED task # 52 (type EXCL) for StigmergyCommit-PT-03a-ReachabilityFireability-04
lola: result : true
lola: markings : 2
lola: fired transitions : 1
lola: time used : 0.000000
lola: memory pages used : 1
lola: CANCELED task # 48 (type FNDP) for StigmergyCommit-PT-03a-ReachabilityFireability-04 (obsolete)
lola: CANCELED task # 49 (type EQUN) for StigmergyCommit-PT-03a-ReachabilityFireability-04 (obsolete)
lola: CANCELED task # 51 (type SRCH) for StigmergyCommit-PT-03a-ReachabilityFireability-04 (obsolete)
lola: FINISHED task # 48 (type FNDP) for StigmergyCommit-PT-03a-ReachabilityFireability-04
lola: result : true
lola: tried executions : 1
lola: time used : 0.000000
lola: memory pages used : 0
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
sara: try reading problem file /home/mcc/execution/ReachabilityFireability-49.sara.
lola: Created skeleton in 0.000000 secs.
sara: place or transition ordering is non-deterministic

lola: Created skeleton in 0.000000 secs.
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 # 58 (type EXCL) for 6 StigmergyCommit-PT-03a-ReachabilityFireability-02
lola: time limit : 239 sec
lola: memory limit: 32 pages
lola: LAUNCH task # 54 (type FNDP) for 6 StigmergyCommit-PT-03a-ReachabilityFireability-02
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 55 (type EQUN) for 6 StigmergyCommit-PT-03a-ReachabilityFireability-02
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: LAUNCH task # 57 (type SRCH) for 6 StigmergyCommit-PT-03a-ReachabilityFireability-02
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: FINISHED task # 57 (type SRCH) for StigmergyCommit-PT-03a-ReachabilityFireability-02
lola: result : true
lola: markings : 2
lola: fired transitions : 1
lola: time used : 0.000000
lola: memory pages used : 1
lola: FINISHED task # 49 (type EQUN) for StigmergyCommit-PT-03a-ReachabilityFireability-04
lola: result : true
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: CANCELED task # 54 (type FNDP) for StigmergyCommit-PT-03a-ReachabilityFireability-02 (obsolete)
lola: CANCELED task # 55 (type EQUN) for StigmergyCommit-PT-03a-ReachabilityFireability-02 (obsolete)
lola: CANCELED task # 58 (type EXCL) for StigmergyCommit-PT-03a-ReachabilityFireability-02 (obsolete)
lola: LAUNCH task # 72 (type EXCL) for 18 StigmergyCommit-PT-03a-ReachabilityFireability-06
lola: time limit : 276 sec
lola: memory limit: 32 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: LAUNCH task # 67 (type FNDP) for 18 StigmergyCommit-PT-03a-ReachabilityFireability-06
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: LAUNCH task # 69 (type EQUN) for 18 StigmergyCommit-PT-03a-ReachabilityFireability-06
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 71 (type SRCH) for 18 StigmergyCommit-PT-03a-ReachabilityFireability-06
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: FINISHED task # 58 (type EXCL) for StigmergyCommit-PT-03a-ReachabilityFireability-02
lola: result : true
lola: markings : 2
lola: fired transitions : 1
lola: time used : 0.000000
lola: memory pages used : 1
sara: try reading problem file /home/mcc/execution/ReachabilityFireability-55.sara.
sara: place or transition ordering is non-deterministic

lola: FINISHED task # 54 (type FNDP) for StigmergyCommit-PT-03a-ReachabilityFireability-02
lola: result : true
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: tried executions : 1
lola: time used : 0.000000
lola: memory pages used : 0
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 # 67 (type FNDP) for StigmergyCommit-PT-03a-ReachabilityFireability-06
lola: result : true
lola: fired transitions : 141
lola: tried executions : 1
lola: time used : 0.000000
lola: memory pages used : 0
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: CANCELED task # 69 (type EQUN) for StigmergyCommit-PT-03a-ReachabilityFireability-06 (obsolete)
lola: CANCELED task # 71 (type SRCH) for StigmergyCommit-PT-03a-ReachabilityFireability-06 (obsolete)
lola: CANCELED task # 72 (type EXCL) for StigmergyCommit-PT-03a-ReachabilityFireability-06 (obsolete)
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: LAUNCH task # 65 (type EXCL) for 15 StigmergyCommit-PT-03a-ReachabilityFireability-05
lola: time limit : 599 sec
lola: memory limit: 32 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: LAUNCH task # 61 (type FNDP) for 15 StigmergyCommit-PT-03a-ReachabilityFireability-05
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: LAUNCH task # 62 (type EQUN) for 15 StigmergyCommit-PT-03a-ReachabilityFireability-05
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 64 (type SRCH) for 15 StigmergyCommit-PT-03a-ReachabilityFireability-05
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: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: FINISHED task # 71 (type SRCH) for StigmergyCommit-PT-03a-ReachabilityFireability-06
lola: result : true
lola: markings : 31
lola: fired transitions : 49
lola: time used : 0.000000
lola: memory pages used : 1
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
sara: lola: try reading problem file /home/mcc/execution/ReachabilityFireability-69.sara.
rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: FINISHED task # 61 (type FNDP) for StigmergyCommit-PT-03a-ReachabilityFireability-05
lola: result : true
lola: fired transitions : 1
lola: tried executions : 1
lola: time used : 0.000000
lola: memory pages used : 0
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: CANCELED task # 62 (type EQUN) for StigmergyCommit-PT-03a-ReachabilityFireability-05 (obsolete)
lola: CANCELED task # 64 (type SRCH) for StigmergyCommit-PT-03a-ReachabilityFireability-05 (obsolete)
lola: CANCELED task # 65 (type EXCL) for StigmergyCommit-PT-03a-ReachabilityFireability-05 (obsolete)
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: LAUNCH task # 90 (type EXCL) for 33 StigmergyCommit-PT-03a-ReachabilityFireability-11
lola: time limit : 359 sec
lola: memory limit: 32 pages
lola: LAUNCH task # 109 (type FNDP) for 0 StigmergyCommit-PT-03a-ReachabilityFireability-00
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 110 (type EQUN) for 0 StigmergyCommit-PT-03a-ReachabilityFireability-00
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: LAUNCH task # 112 (type SRCH) for 0 StigmergyCommit-PT-03a-ReachabilityFireability-00
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: FINISHED task # 55 (type EQUN) for StigmergyCommit-PT-03a-ReachabilityFireability-02
lola: result : true
lola: FINISHED task # 64 (type SRCH) for StigmergyCommit-PT-03a-ReachabilityFireability-05
lola: result : true
lola: markings : 3
lola: fired transitions : 2
lola: time used : 0.000000
lola: memory pages used : 1
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
sara: place or transition ordering is non-deterministic
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: FINISHED task # 109 (type FNDP) for StigmergyCommit-PT-03a-ReachabilityFireability-00
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: result : true
lola: fired transitions : 3
lola: tried executions : 1
lola: time used : 0.000000
lola: memory pages used : 0
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: CANCELED task # 110 (type EQUN) for StigmergyCommit-PT-03a-ReachabilityFireability-00 (obsolete)
lola: CANCELED task # 112 (type SRCH) for StigmergyCommit-PT-03a-ReachabilityFireability-00 (obsolete)
lola: LAUNCH task # 93 (type FNDP) for 27 StigmergyCommit-PT-03a-ReachabilityFireability-09
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 105 (type EQUN) for 27 StigmergyCommit-PT-03a-ReachabilityFireability-09
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 # 107 (type SRCH) for 27 StigmergyCommit-PT-03a-ReachabilityFireability-09
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: FINISHED task # 90 (type EXCL) for StigmergyCommit-PT-03a-ReachabilityFireability-11
lola: result : true
lola: markings : 51
lola: fired transitions : 70
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 118 (type EXCL) for 30 StigmergyCommit-PT-03a-ReachabilityFireability-10
lola: time limit : 399 sec
lola: memory limit: 32 pages
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: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: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 # 107 (type SRCH) for StigmergyCommit-PT-03a-ReachabilityFireability-09
lola: result : true
lola: markings : 2
lola: fired transitions : 1
lola: time used : 0.000000
lola: memory pages used : 1
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: CANCELED task # 93 (type FNDP) for StigmergyCommit-PT-03a-ReachabilityFireability-09 (obsolete)
lola: CANCELED task # 105 (type EQUN) for StigmergyCommit-PT-03a-ReachabilityFireability-09 (obsolete)
lola: LAUNCH task # 68 (type FNDP) for 9 StigmergyCommit-PT-03a-ReachabilityFireability-03
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
sara: try reading problem file /home/mcc/execution/ReachabilityFireability-62.sara.
sara: place or transition ordering is non-deterministic


lola: LAUNCH task # 75 (type EQUN) for 9 StigmergyCommit-PT-03a-ReachabilityFireability-03
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: LAUNCH task # 125 (type SRCH) for 9 StigmergyCommit-PT-03a-ReachabilityFireability-03
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
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: FINISHED task # 125 (type SRCH) for StigmergyCommit-PT-03a-ReachabilityFireability-03
lola: result : true
lola: markings : 2
lola: fired transitions : 1
lola: time used : 0.000000
lola: memory pages used : 1
lola: CANCELED task # 68 (type FNDP) for StigmergyCommit-PT-03a-ReachabilityFireability-03 (obsolete)
lola: CANCELED task # 75 (type EQUN) for StigmergyCommit-PT-03a-ReachabilityFireability-03 (obsolete)
lola: LAUNCH task # 91 (type FNDP) for 36 StigmergyCommit-PT-03a-ReachabilityFireability-12
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 119 (type EQUN) for 36 StigmergyCommit-PT-03a-ReachabilityFireability-12
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 128 (type SRCH) for 36 StigmergyCommit-PT-03a-ReachabilityFireability-12
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: FINISHED task # 69 (type EQUN) for StigmergyCommit-PT-03a-ReachabilityFireability-06
lola: result : true
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: FINISHED task # 62 (type EQUN) for StigmergyCommit-PT-03a-ReachabilityFireability-05
lola: result : true
lola: FINISHED task # 93 (type FNDP) for StigmergyCommit-PT-03a-ReachabilityFireability-09
lola: result : true
lola: tried executions : 1
lola: time used : 0.000000
lola: memory pages used : 0
lola: FINISHED task # 118 (type EXCL) for StigmergyCommit-PT-03a-ReachabilityFireability-10
lola: result : true
lola: markings : 5
lola: fired transitions : 4
lola: time used : 0.000000
lola: memory pages used : 1
sara: try reading problem file /home/mcc/execution/ReachabilityFireability-105.sara.
sara: place or transition ordering is non-deterministic

lola: FINISHED task # 68 (type FNDP) for StigmergyCommit-PT-03a-ReachabilityFireability-03
lola: result : true
lola: tried executions : 1
lola: time used : 0.000000
lola: memory pages used : 0
lola: LAUNCH task # 144 (type EXCL) for 3 StigmergyCommit-PT-03a-ReachabilityFireability-01
lola: time limit : 514 sec
lola: memory limit: 32 pages
sara: try reading problem file /home/mcc/execution/ReachabilityFireability-75.sara.
lola: FINISHED task # 128 (type SRCH) for StigmergyCommit-PT-03a-ReachabilityFireability-12
lola: result : false
lola: markings : 234
lola: fired transitions : 416
sara: lola: place or transition ordering is non-deterministic
time used : 0.000000
lola: memory pages used : 1
lola: CANCELED task # 91 (type FNDP) for StigmergyCommit-PT-03a-ReachabilityFireability-12 (obsolete)
lola: CANCELED task # 119 (type EQUN) for StigmergyCommit-PT-03a-ReachabilityFireability-12 (obsolete)

lola: LAUNCH task # 92 (type FNDP) for 45 StigmergyCommit-PT-03a-ReachabilityFireability-15
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 121 (type EQUN) for 45 StigmergyCommit-PT-03a-ReachabilityFireability-15
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 135 (type SRCH) for 45 StigmergyCommit-PT-03a-ReachabilityFireability-15
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: FINISHED task # 75 (type EQUN) for StigmergyCommit-PT-03a-ReachabilityFireability-03
lola: result : true
lola: FINISHED task # 105 (type EQUN) for StigmergyCommit-PT-03a-ReachabilityFireability-09
lola: result : true
lola: FINISHED task # 144 (type EXCL) for StigmergyCommit-PT-03a-ReachabilityFireability-01
lola: result : true
lola: markings : 5
lola: fired transitions : 4
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 142 (type EXCL) for 39 StigmergyCommit-PT-03a-ReachabilityFireability-13
lola: time limit : 719 sec
lola: memory limit: 32 pages
lola: FINISHED task # 92 (type FNDP) for StigmergyCommit-PT-03a-ReachabilityFireability-15
lola: result : true
lola: fired transitions : 459
lola: tried executions : 1
lola: time used : 0.000000
lola: memory pages used : 0
lola: CANCELED task # 121 (type EQUN) for StigmergyCommit-PT-03a-ReachabilityFireability-15 (obsolete)
lola: CANCELED task # 135 (type SRCH) for StigmergyCommit-PT-03a-ReachabilityFireability-15 (obsolete)
lola: LAUNCH task # 81 (type FNDP) for 24 StigmergyCommit-PT-03a-ReachabilityFireability-08
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 94 (type EQUN) for 24 StigmergyCommit-PT-03a-ReachabilityFireability-08
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 # 133 (type SRCH) for 24 StigmergyCommit-PT-03a-ReachabilityFireability-08
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: FINISHED task # 142 (type EXCL) for StigmergyCommit-PT-03a-ReachabilityFireability-13
lola: result : true
lola: markings : 5
lola: fired transitions : 4
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 151 (type EXCL) for 21 StigmergyCommit-PT-03a-ReachabilityFireability-07
lola: time limit : 1199 sec
lola: memory limit: 32 pages
lola: FINISHED task # 81 (type FNDP) for StigmergyCommit-PT-03a-ReachabilityFireability-08
lola: result : true
lola: fired transitions : 2535
lola: tried executions : 1
lola: time used : 0.000000
lola: memory pages used : 0
lola: CANCELED task # 94 (type EQUN) for StigmergyCommit-PT-03a-ReachabilityFireability-08 (obsolete)
lola: CANCELED task # 133 (type SRCH) for StigmergyCommit-PT-03a-ReachabilityFireability-08 (obsolete)
lola: LAUNCH task # 98 (type FNDP) for 42 StigmergyCommit-PT-03a-ReachabilityFireability-14
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 99 (type EQUN) for 42 StigmergyCommit-PT-03a-ReachabilityFireability-14
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 101 (type SRCH) for 42 StigmergyCommit-PT-03a-ReachabilityFireability-14
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: FINISHED task # 98 (type FNDP) for StigmergyCommit-PT-03a-ReachabilityFireability-14
lola: result : true
lola: fired transitions : 5
lola: tried executions : 1
lola: time used : 0.000000
lola: memory pages used : 0
lola: CANCELED task # 99 (type EQUN) for StigmergyCommit-PT-03a-ReachabilityFireability-14 (obsolete)
lola: CANCELED task # 101 (type SRCH) for StigmergyCommit-PT-03a-ReachabilityFireability-14 (obsolete)
lola: LAUNCH task # 138 (type FNDP) for 21 StigmergyCommit-PT-03a-ReachabilityFireability-07
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 145 (type EQUN) for 21 StigmergyCommit-PT-03a-ReachabilityFireability-07
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 150 (type SRCH) for 21 StigmergyCommit-PT-03a-ReachabilityFireability-07
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: FINISHED task # 151 (type EXCL) for StigmergyCommit-PT-03a-ReachabilityFireability-07
lola: result : true
lola: markings : 5
lola: fired transitions : 4
lola: time used : 0.000000
lola: memory pages used : 1
lola: CANCELED task # 138 (type FNDP) for StigmergyCommit-PT-03a-ReachabilityFireability-07 (obsolete)
lola: CANCELED task # 145 (type EQUN) for StigmergyCommit-PT-03a-ReachabilityFireability-07 (obsolete)
lola: CANCELED task # 150 (type SRCH) for StigmergyCommit-PT-03a-ReachabilityFireability-07 (obsolete)
lola: Portfolio finished: no open formulas

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
StigmergyCommit-PT-03a-ReachabilityFireability-00: EF true findpath
StigmergyCommit-PT-03a-ReachabilityFireability-01: AG false tandem / relaxed
StigmergyCommit-PT-03a-ReachabilityFireability-02: EF true tandem / insertion
StigmergyCommit-PT-03a-ReachabilityFireability-03: AG false tandem / insertion
StigmergyCommit-PT-03a-ReachabilityFireability-04: EF true tandem / relaxed
StigmergyCommit-PT-03a-ReachabilityFireability-05: AG false findpath
StigmergyCommit-PT-03a-ReachabilityFireability-06: EF true findpath
StigmergyCommit-PT-03a-ReachabilityFireability-07: EF true tandem / relaxed
StigmergyCommit-PT-03a-ReachabilityFireability-08: AG false findpath
StigmergyCommit-PT-03a-ReachabilityFireability-09: AG false tandem / insertion
StigmergyCommit-PT-03a-ReachabilityFireability-10: AG false tandem / relaxed
StigmergyCommit-PT-03a-ReachabilityFireability-11: EF true tandem / relaxed
StigmergyCommit-PT-03a-ReachabilityFireability-12: AG true tandem / insertion
StigmergyCommit-PT-03a-ReachabilityFireability-13: EF true tandem / relaxed
StigmergyCommit-PT-03a-ReachabilityFireability-14: AG false findpath
StigmergyCommit-PT-03a-ReachabilityFireability-15: AG false findpath


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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="StigmergyCommit-PT-03a"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="lolaxred"
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 lolaxred"
echo " Input is StigmergyCommit-PT-03a, 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 r455-smll-167912647300415"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/StigmergyCommit-PT-03a.tgz
mv StigmergyCommit-PT-03a 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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
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 ;