Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r153-tall-171631151400229.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=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 2-5568
Executing tool gold2023
Input is DiscoveryGPU-PT-06a, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r153-tall-171631151400229
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 500K
-rw-r--r-- 1 mcc users 6.8K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 74K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K Apr 22 14:40 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Apr 22 14:40 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Apr 22 14:40 LTLFireability.txt
-rw-r--r-- 1 mcc users 14K Apr 22 14:40 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Apr 12 01:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 132K Apr 12 01:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.1K Apr 12 01:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 83K Apr 12 01:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 22 14:40 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 22 14:40 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 4 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 22K May 18 16:42 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 DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-00
FORMULA_NAME DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-01
FORMULA_NAME DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-02
FORMULA_NAME DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-03
FORMULA_NAME DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-04
FORMULA_NAME DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-05
FORMULA_NAME DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-06
FORMULA_NAME DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-07
FORMULA_NAME DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-08
FORMULA_NAME DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-09
FORMULA_NAME DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-10
FORMULA_NAME DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-11
FORMULA_NAME DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-12
FORMULA_NAME DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-13
FORMULA_NAME DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-14
FORMULA_NAME DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1716420847299

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=gold2023
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DiscoveryGPU-PT-06a
Applying reductions before tool lola
Invoking reducer
Running Version 202304061127
[2024-05-22 23:34:08] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -timeout, 360, -rebuildPNML]
[2024-05-22 23:34:08] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-22 23:34:08] [INFO ] Load time of PNML (sax parser for PT used): 34 ms
[2024-05-22 23:34:08] [INFO ] Transformed 63 places.
[2024-05-22 23:34:08] [INFO ] Transformed 85 transitions.
[2024-05-22 23:34:08] [INFO ] Found NUPN structural information;
[2024-05-22 23:34:08] [INFO ] Parsed PT model containing 63 places and 85 transitions and 273 arcs in 97 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 16 ms.
Working with output stream class java.io.PrintStream
FORMULA DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 155 resets, run finished after 308 ms. (steps per millisecond=32 ) properties (out of 8) seen :5
FORMULA DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 149 ms. (steps per millisecond=67 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 31 resets, run finished after 76 ms. (steps per millisecond=131 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 66 ms. (steps per millisecond=151 ) properties (out of 3) seen :0
Running SMT prover for 3 properties.
[2024-05-22 23:34:09] [INFO ] Flow matrix only has 79 transitions (discarded 6 similar events)
// Phase 1: matrix 79 rows 63 cols
[2024-05-22 23:34:09] [INFO ] Computed 2 invariants in 7 ms
[2024-05-22 23:34:09] [INFO ] After 202ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2024-05-22 23:34:09] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-05-22 23:34:09] [INFO ] After 47ms SMT Verify possible using state equation in natural domain returned unsat :2 sat :1
[2024-05-22 23:34:09] [INFO ] State equation strengthened by 48 read => feed constraints.
[2024-05-22 23:34:09] [INFO ] After 23ms SMT Verify possible using 48 Read/Feed constraints in natural domain returned unsat :2 sat :1
[2024-05-22 23:34:09] [INFO ] After 44ms SMT Verify possible using trap constraints in natural domain returned unsat :2 sat :1
Attempting to minimize the solution found.
Minimization took 22 ms.
[2024-05-22 23:34:10] [INFO ] After 190ms SMT Verify possible using all constraints in natural domain returned unsat :2 sat :1
FORMULA DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-07 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-02 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 2 ms.
Support contains 30 out of 63 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 63/63 places, 85/85 transitions.
Graph (complete) has 128 edges and 63 vertex of which 50 are kept as prefixes of interest. Removing 13 places using SCC suffix rule.1 ms
Discarding 13 places :
Also discarding 8 output transitions
Drop transitions removed 8 transitions
Drop transitions removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 0 with 11 rules applied. Total rules applied 12 place count 50 transition count 66
Drop transitions removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 1 with 4 rules applied. Total rules applied 16 place count 50 transition count 62
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 16 place count 50 transition count 61
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 18 place count 49 transition count 61
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 19 place count 49 transition count 61
Drop transitions removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 20 place count 49 transition count 60
Applied a total of 20 rules in 24 ms. Remains 49 /63 variables (removed 14) and now considering 60/85 (removed 25) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24 ms. Remains : 49/63 places, 60/85 transitions.
Finished random walk after 1469 steps, including 23 resets, run visited all 1 properties in 3 ms. (steps per millisecond=489 )
FORMULA DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Parikh walk visited 0 properties in 0 ms.
All properties solved without resorting to model-checking.
Total runtime 1283 ms.
starting LoLA
BK_INPUT DiscoveryGPU-PT-06a
BK_EXAMINATION: ReachabilityCardinality
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution
ReachabilityCardinality

FORMULA DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-07 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-04 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-03 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-12 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-14 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-00 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-06 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-05 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-02 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-01 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-08 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-13 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-09 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-10 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-15 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-11 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1716420851409

--------------------
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//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202304061127.jar
+ VERSION=202304061127
+ echo 'Running Version 202304061127'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityCardinality -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/ReachabilityCardinality.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: 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: 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: Rule S: 0 transitions removed,0 places removed
lola: LAUNCH INITIAL
lola: LAUNCH task # 22 (type CNST) for 21 DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-07
lola: time limit : 0 sec
lola: memory limit: 0 pages
lola: FINISHED task # 22 (type CNST) for DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-07
lola: result : true
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 # 49 (type SKEL/FNDP) for 12 DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-04
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 50 (type SKEL/EQUN) for 12 DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-04
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 52 (type SKEL/SRCH) for 12 DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-04
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 53 (type SKEL/SRCH) for 12 DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-04
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: FINISHED task # 53 (type SKEL/SRCH) for DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-04
lola: result : false
lola: markings : 62
lola: fired transitions : 85
lola: time used : 0.000000
lola: memory pages used : 1
lola: CANCELED task # 49 (type FNDP) for DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-04 (obsolete)
lola: CANCELED task # 50 (type EQUN) for DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-04 (obsolete)
lola: CANCELED task # 52 (type SRCH) for DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-04 (obsolete)
lola: FINISHED task # 50 (type SKEL/EQUN) for DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-04
lola: result : unknown
lola: planning for DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-04 stopped (result already fixed).
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: LAUNCH task # 64 (type EXCL) for 9 DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-03
lola: time limit : 276 sec
lola: memory limit: 32 pages
lola: LAUNCH task # 56 (type FNDP) for 9 DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-03
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 61 (type EQUN) for 9 DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-03
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 63 (type SRCH) for 9 DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-03
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: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 # 63 (type SRCH) for DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-03
lola: result : false
lola: markings : 10
lola: fired transitions : 11
lola: time used : 0.000000
lola: memory pages used : 1
lola: CANCELED task # 56 (type FNDP) for DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-03 (obsolete)
lola: CANCELED task # 61 (type EQUN) for DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-03 (obsolete)
lola: CANCELED task # 64 (type EXCL) for DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-03 (obsolete)
lola: LAUNCH task # 67 (type EXCL) for 36 DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-12
lola: time limit : 276 sec
lola: memory limit: 32 pages
lola: LAUNCH task # 75 (type FNDP) for 0 DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-00
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 77 (type EQUN) for 0 DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-00
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 79 (type SRCH) for 0 DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-00
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: FINISHED task # 56 (type FNDP) for DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-03
lola: result : unknown
lola: fired transitions : 1228
lola: tried executions : 115
lola: time used : 0.000000
lola: memory pages used : 0
lola: FINISHED task # 67 (type EXCL) for DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-12
lola: result : false
lola: markings : 3
lola: fired transitions : 4
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 73 (type EXCL) for 42 DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-14
lola: time limit : 300 sec
lola: memory limit: 32 pages
lola: FINISHED task # 73 (type EXCL) for DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-14
lola: result : false
lola: markings : 83
lola: fired transitions : 104
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 80 (type EXCL) for 0 DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-00
lola: time limit : 327 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: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: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: FINISHED task # 80 (type EXCL) for DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-00
lola: result : true
lola: markings : 11
lola: fired transitions : 11
lola: time used : 0.000000
lola: memory pages used : 1
lola: CANCELED task # 75 (type FNDP) for DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-00 (obsolete)
lola: CANCELED task # 77 (type EQUN) for DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-00 (obsolete)
lola: CANCELED task # 79 (type SRCH) for DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-00 (obsolete)
lola: LAUNCH task # 93 (type EXCL) for 18 DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-06
lola: time limit : 400 sec
lola: memory limit: 32 pages
lola: LAUNCH task # 97 (type FNDP) for 6 DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-02
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: LAUNCH task # 98 (type EQUN) for 6 DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-02
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: LAUNCH task # 100 (type SRCH) for 6 DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-02
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: 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: FINISHED task # 93 (type EXCL) for DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-06
lola: result : false
lola: markings : 61
lola: fired transitions : 77
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 116 (type EXCL) for 15 DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-05
lola: time limit : 514 sec
lola: memory limit: 32 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: FINISHED task # 116 (type EXCL) for DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-05
lola: result : false
lola: markings : 3
lola: fired transitions : 4
lola: time used : 0.000000
lola: memory pages used : 1
sara: try reading problem file /home/mcc/execution/ReachabilityCardinality-61.sara.
lola: LAUNCH task # 87 (type EXCL) for 24 DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-08
lola: time limit : 514 sec
lola: memory limit: 32 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: rewrite Frontend/Parser/formula_rewrite.k:711
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 # 100 (type SRCH) for DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-02
lola: result : false
lola: markings : 878
lola: fired transitions : 1856
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: CANCELED task # 97 (type FNDP) for DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-02 (obsolete)
lola: CANCELED task # 98 (type EQUN) for DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-02 (obsolete)
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: LAUNCH task # 102 (type FNDP) for 3 DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-01
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 103 (type EQUN) for 3 DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-01
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 105 (type SRCH) for 3 DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-01
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: FINISHED task # 75 (type FNDP) for DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-00
lola: result : true
lola: fired transitions : 9
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: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: FINISHED task # 87 (type EXCL) for DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-08
lola: result : true
lola: markings : 2
lola: fired transitions : 1
lola: time used : 0.000000
lola: memory pages used : 1
lola: FINISHED task # 105 (type SRCH) for DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-01
lola: result : false
lola: markings : 2
lola: fired transitions : 2
lola: time used : 0.000000
lola: memory pages used : 1
sara: try reading problem file /home/mcc/execution/ReachabilityCardinality-103.sara.
sara: place or transition ordering is non-deterministic


lola: CANCELED task # 102 (type FNDP) for DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-01 (obsolete)
lola: CANCELED task # 103 (type EQUN) for DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-01 (obsolete)
lola: LAUNCH task # 146 (type EXCL) for 27 DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-09
lola: time limit : 720 sec
lola: memory limit: 32 pages
lola: LAUNCH task # 135 (type FNDP) for 39 DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-13
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 138 (type EQUN) for 39 DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-13
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 140 (type SRCH) for 39 DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-13
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: FINISHED task # 135 (type FNDP) for DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-13
lola: result : true
lola: fired transitions : 460
lola: tried executions : 39
lola: time used : 0.000000
lola: memory pages used : 0
lola: CANCELED task # 138 (type EQUN) for DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-13 (obsolete)
lola: CANCELED task # 140 (type SRCH) for DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-13 (obsolete)
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: LAUNCH task # 106 (type FNDP) for 30 DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-10
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 123 (type EQUN) for 30 DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-10
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 132 (type SRCH) for 30 DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-10
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: FINISHED task # 146 (type EXCL) for DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-09
lola: result : true
lola: markings : 37
lola: fired transitions : 41
lola: time used : 0.000000
lola: memory pages used : 1
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: LAUNCH task # 127 (type EXCL) for 45 DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-15
lola: time limit : 1200 sec
lola: memory limit: 32 pages
lola: FINISHED task # 132 (type SRCH) for DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-10
lola: result : false
lola: markings : 2
lola: fired transitions : 1
lola: time used : 0.000000
lola: memory pages used : 1
lola: CANCELED task # 106 (type FNDP) for DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-10 (obsolete)
lola: CANCELED task # 123 (type EQUN) for DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-10 (obsolete)
lola: LAUNCH task # 112 (type FNDP) for 33 DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-11
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 119 (type EQUN) for 33 DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-11
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
sara: try reading problem file /home/mcc/execution/ReachabilityCardinality-98.sara.
sara: try reading problem file /home/mcc/execution/ReachabilityCardinality-77.sara.
lola: LAUNCH task # 129 (type SRCH) for 33 DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-11
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: FINISHED task # 61 (type EQUN) for DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-03
lola: result : false
lola: rewrite Frontend/Parser/formula_rewrite.k:711
sara: place or transition ordering is non-deterministic
sara: try reading problem file /home/mcc/execution/ReachabilityCardinality-138.sara.
sara: place or transition ordering is non-deterministic
sara: place or transition ordering is non-deterministic
lola: FINISHED task # 103 (type EQUN) for DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-01
lola: result : false
lola: FINISHED task # 127 (type EXCL) for DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-15
lola: result : true
lola: markings : 33
lola: fired transitions : 36
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 130 (type EXCL) for 33 DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-11
lola: time limit : 3600 sec
lola: memory limit: 32 pages
lola: FINISHED task # 112 (type FNDP) for DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-11
lola: result : true
lola: fired transitions : 19
lola: tried executions : 1
lola: time used : 0.000000
lola: memory pages used : 0
lola: CANCELED task # 119 (type EQUN) for DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-11 (obsolete)
lola: CANCELED task # 129 (type SRCH) for DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-11 (obsolete)
lola: CANCELED task # 130 (type EXCL) for DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-11 (obsolete)
lola: Portfolio finished: no open formulas

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-00: EF true tandem / relaxed
DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-01: AG true tandem / insertion
DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-02: AG true tandem / insertion
DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-03: AG true tandem / insertion
DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-04: EF false skeleton: tandem / relaxed
DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-05: AG true tandem / relaxed
DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-06: EF false tandem / relaxed
DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-07: INITIAL true preprocessing
DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-08: AG false tandem / relaxed
DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-09: AG false tandem / relaxed
DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-10: EF false tandem / insertion
DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-11: EF true findpath
DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-12: AG true tandem / relaxed
DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-13: EF true findpath
DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-14: AG true tandem / relaxed
DiscoveryGPU-PT-06a-ReachabilityCardinality-2024-15: AG false tandem / relaxed


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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="DiscoveryGPU-PT-06a"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="gold2023"
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 2-5568"
echo " Executing tool gold2023"
echo " Input is DiscoveryGPU-PT-06a, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r153-tall-171631151400229"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DiscoveryGPU-PT-06a.tgz
mv DiscoveryGPU-PT-06a execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;