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.r373-tall-171683788600129.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 ShieldIIPt-PT-002B, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r373-tall-171683788600129
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 472K
-rw-r--r-- 1 mcc users 7.9K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 91K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K May 18 16:43 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.5K Apr 23 07:52 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Apr 23 07:52 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Apr 23 07:52 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Apr 23 07:52 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.4K Apr 12 20:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 85K Apr 12 20:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.3K Apr 12 20:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 84K Apr 12 20:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 23 07:52 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 23 07:52 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 5 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 34K May 18 16:43 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 ShieldIIPt-PT-002B-ReachabilityCardinality-2024-00
FORMULA_NAME ShieldIIPt-PT-002B-ReachabilityCardinality-2024-01
FORMULA_NAME ShieldIIPt-PT-002B-ReachabilityCardinality-2024-02
FORMULA_NAME ShieldIIPt-PT-002B-ReachabilityCardinality-2024-03
FORMULA_NAME ShieldIIPt-PT-002B-ReachabilityCardinality-2024-04
FORMULA_NAME ShieldIIPt-PT-002B-ReachabilityCardinality-2024-05
FORMULA_NAME ShieldIIPt-PT-002B-ReachabilityCardinality-2024-06
FORMULA_NAME ShieldIIPt-PT-002B-ReachabilityCardinality-2024-07
FORMULA_NAME ShieldIIPt-PT-002B-ReachabilityCardinality-2024-08
FORMULA_NAME ShieldIIPt-PT-002B-ReachabilityCardinality-2024-09
FORMULA_NAME ShieldIIPt-PT-002B-ReachabilityCardinality-2024-10
FORMULA_NAME ShieldIIPt-PT-002B-ReachabilityCardinality-2024-11
FORMULA_NAME ShieldIIPt-PT-002B-ReachabilityCardinality-2024-12
FORMULA_NAME ShieldIIPt-PT-002B-ReachabilityCardinality-2024-13
FORMULA_NAME ShieldIIPt-PT-002B-ReachabilityCardinality-2024-14
FORMULA_NAME ShieldIIPt-PT-002B-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1716949593317

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=ShieldIIPt-PT-002B
Applying reductions before tool lola
Invoking reducer
Running Version 202304061127
[2024-05-29 02:26:35] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -timeout, 360, -rebuildPNML]
[2024-05-29 02:26:35] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-29 02:26:35] [INFO ] Load time of PNML (sax parser for PT used): 46 ms
[2024-05-29 02:26:35] [INFO ] Transformed 143 places.
[2024-05-29 02:26:35] [INFO ] Transformed 133 transitions.
[2024-05-29 02:26:35] [INFO ] Found NUPN structural information;
[2024-05-29 02:26:35] [INFO ] Parsed PT model containing 143 places and 133 transitions and 330 arcs in 119 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 14 ms.
Working with output stream class java.io.PrintStream
FORMULA ShieldIIPt-PT-002B-ReachabilityCardinality-2024-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldIIPt-PT-002B-ReachabilityCardinality-2024-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldIIPt-PT-002B-ReachabilityCardinality-2024-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldIIPt-PT-002B-ReachabilityCardinality-2024-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 2 resets, run finished after 338 ms. (steps per millisecond=29 ) properties (out of 12) seen :9
FORMULA ShieldIIPt-PT-002B-ReachabilityCardinality-2024-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldIIPt-PT-002B-ReachabilityCardinality-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldIIPt-PT-002B-ReachabilityCardinality-2024-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldIIPt-PT-002B-ReachabilityCardinality-2024-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldIIPt-PT-002B-ReachabilityCardinality-2024-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldIIPt-PT-002B-ReachabilityCardinality-2024-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldIIPt-PT-002B-ReachabilityCardinality-2024-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldIIPt-PT-002B-ReachabilityCardinality-2024-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldIIPt-PT-002B-ReachabilityCardinality-2024-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 58 ms. (steps per millisecond=172 ) properties (out of 3) seen :1
FORMULA ShieldIIPt-PT-002B-ReachabilityCardinality-2024-04 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 60 ms. (steps per millisecond=166 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 2) seen :0
Running SMT prover for 2 properties.
// Phase 1: matrix 133 rows 143 cols
[2024-05-29 02:26:36] [INFO ] Computed 19 invariants in 10 ms
[2024-05-29 02:26:36] [INFO ] After 248ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2024-05-29 02:26:36] [INFO ] [Nat]Absence check using 19 positive place invariants in 7 ms returned sat
[2024-05-29 02:26:36] [INFO ] After 70ms SMT Verify possible using state equation in natural domain returned unsat :1 sat :1
[2024-05-29 02:26:36] [INFO ] Deduced a trap composed of 13 places in 74 ms of which 9 ms to minimize.
[2024-05-29 02:26:36] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 92 ms
[2024-05-29 02:26:36] [INFO ] After 169ms SMT Verify possible using trap constraints in natural domain returned unsat :1 sat :1
Attempting to minimize the solution found.
Minimization took 9 ms.
[2024-05-29 02:26:36] [INFO ] After 279ms SMT Verify possible using all constraints in natural domain returned unsat :1 sat :1
FORMULA ShieldIIPt-PT-002B-ReachabilityCardinality-2024-07 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 3 ms.
Support contains 3 out of 143 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 143/143 places, 133/133 transitions.
Drop transitions removed 35 transitions
Trivial Post-agglo rules discarded 35 transitions
Performed 35 trivial Post agglomeration. Transition count delta: 35
Iterating post reduction 0 with 35 rules applied. Total rules applied 35 place count 143 transition count 98
Reduce places removed 35 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 1 with 37 rules applied. Total rules applied 72 place count 108 transition count 96
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 73 place count 107 transition count 96
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 9 Pre rules applied. Total rules applied 73 place count 107 transition count 87
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 3 with 18 rules applied. Total rules applied 91 place count 98 transition count 87
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 105 place count 84 transition count 73
Iterating global reduction 3 with 14 rules applied. Total rules applied 119 place count 84 transition count 73
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 6 Pre rules applied. Total rules applied 119 place count 84 transition count 67
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 3 with 12 rules applied. Total rules applied 131 place count 78 transition count 67
Performed 30 Post agglomeration using F-continuation condition.Transition count delta: 30
Deduced a syphon composed of 30 places in 0 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 3 with 60 rules applied. Total rules applied 191 place count 48 transition count 37
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 201 place count 43 transition count 40
Drop transitions removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 202 place count 43 transition count 39
Partial Free-agglomeration rule applied 2 times.
Drop transitions removed 2 transitions
Iterating global reduction 4 with 2 rules applied. Total rules applied 204 place count 43 transition count 39
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 205 place count 42 transition count 38
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 207 place count 40 transition count 38
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 207 place count 40 transition count 37
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 209 place count 39 transition count 37
Applied a total of 209 rules in 64 ms. Remains 39 /143 variables (removed 104) and now considering 37/133 (removed 96) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 64 ms. Remains : 39/143 places, 37/133 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 63 ms. (steps per millisecond=158 ) properties (out of 1) seen :0
Finished Best-First random walk after 27 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=27 )
FORMULA ShieldIIPt-PT-002B-ReachabilityCardinality-2024-14 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Parikh walk visited 0 properties in 0 ms.
All properties solved without resorting to model-checking.
Total runtime 1417 ms.
starting LoLA
BK_INPUT ShieldIIPt-PT-002B
BK_EXAMINATION: ReachabilityCardinality
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution
ReachabilityCardinality

FORMULA ShieldIIPt-PT-002B-ReachabilityCardinality-2024-02 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA ShieldIIPt-PT-002B-ReachabilityCardinality-2024-03 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA ShieldIIPt-PT-002B-ReachabilityCardinality-2024-05 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA ShieldIIPt-PT-002B-ReachabilityCardinality-2024-09 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA ShieldIIPt-PT-002B-ReachabilityCardinality-2024-06 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA ShieldIIPt-PT-002B-ReachabilityCardinality-2024-07 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA ShieldIIPt-PT-002B-ReachabilityCardinality-2024-00 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA ShieldIIPt-PT-002B-ReachabilityCardinality-2024-15 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA ShieldIIPt-PT-002B-ReachabilityCardinality-2024-13 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA ShieldIIPt-PT-002B-ReachabilityCardinality-2024-11 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA ShieldIIPt-PT-002B-ReachabilityCardinality-2024-10 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA ShieldIIPt-PT-002B-ReachabilityCardinality-2024-01 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA ShieldIIPt-PT-002B-ReachabilityCardinality-2024-14 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA ShieldIIPt-PT-002B-ReachabilityCardinality-2024-12 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA ShieldIIPt-PT-002B-ReachabilityCardinality-2024-08 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA ShieldIIPt-PT-002B-ReachabilityCardinality-2024-04 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1716949600168

--------------------
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: 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: 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: 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 6 ShieldIIPt-PT-002B-ReachabilityCardinality-2024-02
lola: time limit : 224 sec
lola: memory limit: 32 pages
lola: LAUNCH task # 48 (type FNDP) for 6 ShieldIIPt-PT-002B-ReachabilityCardinality-2024-02
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 49 (type EQUN) for 6 ShieldIIPt-PT-002B-ReachabilityCardinality-2024-02
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: LAUNCH task # 51 (type SRCH) for 6 ShieldIIPt-PT-002B-ReachabilityCardinality-2024-02
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: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: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: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: 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: 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: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
sara: try reading problem file /home/mcc/execution/ReachabilityCardinality-49.sara.
sara: place or transition ordering is non-deterministic

lola: FINISHED task # 49 (type EQUN) for ShieldIIPt-PT-002B-ReachabilityCardinality-2024-02
lola: result : false
lola: CANCELED task # 48 (type FNDP) for ShieldIIPt-PT-002B-ReachabilityCardinality-2024-02 (obsolete)
lola: CANCELED task # 51 (type SRCH) for ShieldIIPt-PT-002B-ReachabilityCardinality-2024-02 (obsolete)
lola: CANCELED task # 52 (type EXCL) for ShieldIIPt-PT-002B-ReachabilityCardinality-2024-02 (obsolete)
lola: LAUNCH task # 117 (type EXCL) for 9 ShieldIIPt-PT-002B-ReachabilityCardinality-2024-03
lola: time limit : 239 sec
lola: memory limit: 32 pages
lola: LAUNCH task # 83 (type FNDP) for 15 ShieldIIPt-PT-002B-ReachabilityCardinality-2024-05
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 84 (type EQUN) for 15 ShieldIIPt-PT-002B-ReachabilityCardinality-2024-05
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 86 (type SRCH) for 15 ShieldIIPt-PT-002B-ReachabilityCardinality-2024-05
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: FINISHED task # 48 (type FNDP) for ShieldIIPt-PT-002B-ReachabilityCardinality-2024-02
lola: result : unknown
lola: fired transitions : 2109330
lola: tried executions : 242
lola: time used : 1.000000
lola: memory pages used : 0
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: FINISHED task # 117 (type EXCL) for ShieldIIPt-PT-002B-ReachabilityCardinality-2024-03
lola: result : true
lola: markings : 2
lola: fired transitions : 1
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 135 (type EXCL) for 27 ShieldIIPt-PT-002B-ReachabilityCardinality-2024-09
lola: time limit : 257 sec
lola: memory limit: 32 pages
lola: FINISHED task # 86 (type SRCH) for ShieldIIPt-PT-002B-ReachabilityCardinality-2024-05
lola: result : false
lola: markings : 2
lola: fired transitions : 1
lola: time used : 0.000000
lola: memory pages used : 1
lola: CANCELED task # 83 (type FNDP) for ShieldIIPt-PT-002B-ReachabilityCardinality-2024-05 (obsolete)
lola: CANCELED task # 84 (type EQUN) for ShieldIIPt-PT-002B-ReachabilityCardinality-2024-05 (obsolete)
lola: LAUNCH task # 90 (type FNDP) for 21 ShieldIIPt-PT-002B-ReachabilityCardinality-2024-07
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 93 (type EQUN) for 21 ShieldIIPt-PT-002B-ReachabilityCardinality-2024-07
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 95 (type SRCH) for 21 ShieldIIPt-PT-002B-ReachabilityCardinality-2024-07
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 # 135 (type EXCL) for ShieldIIPt-PT-002B-ReachabilityCardinality-2024-09
lola: result : true
lola: markings : 48
lola: fired transitions : 54
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 108 (type EXCL) for 18 ShieldIIPt-PT-002B-ReachabilityCardinality-2024-06
lola: time limit : 299 sec
lola: memory limit: 32 pages
sara: try reading problem file /home/mcc/execution/ReachabilityCardinality-84.sara.

lola: FINISHED task # 84 (type EQUN) for ShieldIIPt-PT-002B-ReachabilityCardinality-2024-05
lola: result : false
lola: FINISHED task # 108 (type EXCL) for ShieldIIPt-PT-002B-ReachabilityCardinality-2024-06
lola: result : true
lola: markings : 22
lola: fired transitions : 23
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 68 (type EXCL) for 0 ShieldIIPt-PT-002B-ReachabilityCardinality-2024-00
lola: time limit : 327 sec
lola: memory limit: 32 pages
sara: try reading problem file /home/mcc/execution/ReachabilityCardinality-93.sara.
sara: place or transition ordering is non-deterministic

lola: FINISHED task # 93 (type EQUN) for ShieldIIPt-PT-002B-ReachabilityCardinality-2024-07
lola: result : false
lola: CANCELED task # 90 (type FNDP) for ShieldIIPt-PT-002B-ReachabilityCardinality-2024-07 (obsolete)
lola: CANCELED task # 95 (type SRCH) for ShieldIIPt-PT-002B-ReachabilityCardinality-2024-07 (obsolete)
lola: LAUNCH task # 76 (type FNDP) for 39 ShieldIIPt-PT-002B-ReachabilityCardinality-2024-13
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 77 (type EQUN) for 39 ShieldIIPt-PT-002B-ReachabilityCardinality-2024-13
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 # 79 (type SRCH) for 39 ShieldIIPt-PT-002B-ReachabilityCardinality-2024-13
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: FINISHED task # 90 (type FNDP) for ShieldIIPt-PT-002B-ReachabilityCardinality-2024-07
lola: result : unknown
lola: fired transitions : 42508
lola: tried executions : 2
lola: time used : 1.000000
lola: memory pages used : 0
sara: try reading problem file /home/mcc/execution/ReachabilityCardinality-77.sara.
sara: place or transition ordering is non-deterministic
lola: FINISHED task # 68 (type EXCL) for ShieldIIPt-PT-002B-ReachabilityCardinality-2024-00
lola: result : false
lola: markings : 56861
lola: fired transitions : 87422
lola: time used : 1.000000
lola: memory pages used : 1
lola: LAUNCH task # 114 (type EXCL) for 45 ShieldIIPt-PT-002B-ReachabilityCardinality-2024-15
lola: time limit : 399 sec
lola: memory limit: 32 pages
lola: FINISHED task # 114 (type EXCL) for ShieldIIPt-PT-002B-ReachabilityCardinality-2024-15
lola: result : true
lola: markings : 48
lola: fired transitions : 54
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 142 (type EXCL) for 33 ShieldIIPt-PT-002B-ReachabilityCardinality-2024-11
lola: time limit : 449 sec
lola: memory limit: 32 pages

lola: FINISHED task # 77 (type EQUN) for ShieldIIPt-PT-002B-ReachabilityCardinality-2024-13
lola: result : false
lola: CANCELED task # 76 (type FNDP) for ShieldIIPt-PT-002B-ReachabilityCardinality-2024-13 (obsolete)
lola: CANCELED task # 79 (type SRCH) for ShieldIIPt-PT-002B-ReachabilityCardinality-2024-13 (obsolete)
lola: LAUNCH task # 64 (type FNDP) for 3 ShieldIIPt-PT-002B-ReachabilityCardinality-2024-01
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 71 (type EQUN) for 3 ShieldIIPt-PT-002B-ReachabilityCardinality-2024-01
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: LAUNCH task # 73 (type SRCH) for 3 ShieldIIPt-PT-002B-ReachabilityCardinality-2024-01
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: FINISHED task # 76 (type FNDP) for ShieldIIPt-PT-002B-ReachabilityCardinality-2024-13
lola: result : unknown
lola: fired transitions : 16020
lola: tried executions : 2
lola: time used : 0.000000
lola: memory pages used : 0
lola: FINISHED task # 142 (type EXCL) for ShieldIIPt-PT-002B-ReachabilityCardinality-2024-11
lola: result : true
lola: markings : 9
lola: fired transitions : 8
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 129 (type EXCL) for 30 ShieldIIPt-PT-002B-ReachabilityCardinality-2024-10
lola: time limit : 599 sec
lola: memory limit: 32 pages
lola: FINISHED task # 129 (type EXCL) for ShieldIIPt-PT-002B-ReachabilityCardinality-2024-10
lola: result : true
lola: markings : 136
lola: fired transitions : 152
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 149 (type EXCL) for 42 ShieldIIPt-PT-002B-ReachabilityCardinality-2024-14
lola: time limit : 719 sec
lola: memory limit: 32 pages
lola: FINISHED task # 73 (type SRCH) for ShieldIIPt-PT-002B-ReachabilityCardinality-2024-01
lola: result : true
lola: markings : 7
lola: fired transitions : 6
lola: time used : 0.000000
lola: memory pages used : 1
lola: CANCELED task # 64 (type FNDP) for ShieldIIPt-PT-002B-ReachabilityCardinality-2024-01 (obsolete)
lola: CANCELED task # 71 (type EQUN) for ShieldIIPt-PT-002B-ReachabilityCardinality-2024-01 (obsolete)
lola: LAUNCH task # 119 (type FNDP) for 36 ShieldIIPt-PT-002B-ReachabilityCardinality-2024-12
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 120 (type EQUN) for 36 ShieldIIPt-PT-002B-ReachabilityCardinality-2024-12
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: LAUNCH task # 122 (type SRCH) for 36 ShieldIIPt-PT-002B-ReachabilityCardinality-2024-12
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: FINISHED task # 64 (type FNDP) for ShieldIIPt-PT-002B-ReachabilityCardinality-2024-01
lola: result : true
lola: fired transitions : 5
lola: tried executions : 1
lola: time used : 0.000000
lola: memory pages used : 0
lola: FINISHED task # 149 (type EXCL) for ShieldIIPt-PT-002B-ReachabilityCardinality-2024-14
lola: result : true
lola: markings : 9
lola: fired transitions : 9
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 103 (type EXCL) for 24 ShieldIIPt-PT-002B-ReachabilityCardinality-2024-08
lola: time limit : 1199 sec
lola: memory limit: 32 pages
lola: FINISHED task # 71 (type EQUN) for ShieldIIPt-PT-002B-ReachabilityCardinality-2024-01
lola: result : unknown
lola: FINISHED task # 122 (type SRCH) for ShieldIIPt-PT-002B-ReachabilityCardinality-2024-12
lola: result : true
lola: markings : 13
lola: fired transitions : 12
lola: time used : 0.000000
lola: memory pages used : 1
lola: CANCELED task # 119 (type FNDP) for ShieldIIPt-PT-002B-ReachabilityCardinality-2024-12 (obsolete)
lola: CANCELED task # 120 (type EQUN) for ShieldIIPt-PT-002B-ReachabilityCardinality-2024-12 (obsolete)
lola: LAUNCH task # 58 (type FNDP) for 12 ShieldIIPt-PT-002B-ReachabilityCardinality-2024-04
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 59 (type EQUN) for 12 ShieldIIPt-PT-002B-ReachabilityCardinality-2024-04
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 61 (type SRCH) for 12 ShieldIIPt-PT-002B-ReachabilityCardinality-2024-04
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: FINISHED task # 119 (type FNDP) for ShieldIIPt-PT-002B-ReachabilityCardinality-2024-12
lola: result : true
lola: fired transitions : 11
lola: tried executions : 1
lola: time used : 0.000000
lola: memory pages used : 0
lola: FINISHED task # 103 (type EXCL) for ShieldIIPt-PT-002B-ReachabilityCardinality-2024-08
lola: result : true
lola: markings : 32
lola: fired transitions : 35
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 62 (type EXCL) for 12 ShieldIIPt-PT-002B-ReachabilityCardinality-2024-04
lola: time limit : 3597 sec
lola: memory limit: 32 pages
sara: try reading problem file /home/mcc/execution/ReachabilityCardinality-120.sara.
sara: place or transition ordering is non-deterministic
lola: FINISHED task # 61 (type SRCH) for ShieldIIPt-PT-002B-ReachabilityCardinality-2024-04
lola: result : true
lola: markings : 28
lola: fired transitions : 27
lola: time used : 0.000000
lola: memory pages used : 1
lola: CANCELED task # 58 (type FNDP) for ShieldIIPt-PT-002B-ReachabilityCardinality-2024-04 (obsolete)
lola: CANCELED task # 59 (type EQUN) for ShieldIIPt-PT-002B-ReachabilityCardinality-2024-04 (obsolete)
lola: CANCELED task # 62 (type EXCL) for ShieldIIPt-PT-002B-ReachabilityCardinality-2024-04 (obsolete)
lola: Portfolio finished: no open formulas

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
ShieldIIPt-PT-002B-ReachabilityCardinality-2024-00: AG true tandem / relaxed
ShieldIIPt-PT-002B-ReachabilityCardinality-2024-01: EF true tandem / insertion
ShieldIIPt-PT-002B-ReachabilityCardinality-2024-02: EF false state equation
ShieldIIPt-PT-002B-ReachabilityCardinality-2024-03: EF true tandem / relaxed
ShieldIIPt-PT-002B-ReachabilityCardinality-2024-04: EF true tandem / insertion
ShieldIIPt-PT-002B-ReachabilityCardinality-2024-05: AG true tandem / insertion
ShieldIIPt-PT-002B-ReachabilityCardinality-2024-06: EF true tandem / relaxed
ShieldIIPt-PT-002B-ReachabilityCardinality-2024-07: AG true state equation
ShieldIIPt-PT-002B-ReachabilityCardinality-2024-08: EF true tandem / relaxed
ShieldIIPt-PT-002B-ReachabilityCardinality-2024-09: EF true tandem / relaxed
ShieldIIPt-PT-002B-ReachabilityCardinality-2024-10: EF true tandem / relaxed
ShieldIIPt-PT-002B-ReachabilityCardinality-2024-11: AG false tandem / relaxed
ShieldIIPt-PT-002B-ReachabilityCardinality-2024-12: EF true tandem / insertion
ShieldIIPt-PT-002B-ReachabilityCardinality-2024-13: AG true state equation
ShieldIIPt-PT-002B-ReachabilityCardinality-2024-14: AG false tandem / relaxed
ShieldIIPt-PT-002B-ReachabilityCardinality-2024-15: AG false tandem / relaxed


Time elapsed: 3 secs. Pages in use: 6

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="ShieldIIPt-PT-002B"
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 ShieldIIPt-PT-002B, 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 r373-tall-171683788600129"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldIIPt-PT-002B.tgz
mv ShieldIIPt-PT-002B 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 ;