Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2023-input.r421-tajo-167905975000278.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2023-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool itstools
Input is ShieldRVt-PT-020A, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r421-tajo-167905975000278
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 488K
-rw-r--r-- 1 mcc users 7.7K Feb 25 23:37 CTLCardinality.txt
-rw-r--r-- 1 mcc users 88K Feb 25 23:37 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K Feb 25 23:17 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K Feb 25 23:17 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Jan 29 11:41 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 17:04 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 17:04 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 17:04 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 17:04 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.7K Feb 25 23:56 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 103K Feb 25 23:56 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.2K Feb 25 23:46 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 61K Feb 25 23:46 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 17:04 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 17:04 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 54K 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 ShieldRVt-PT-020A-ReachabilityCardinality-00
FORMULA_NAME ShieldRVt-PT-020A-ReachabilityCardinality-01
FORMULA_NAME ShieldRVt-PT-020A-ReachabilityCardinality-02
FORMULA_NAME ShieldRVt-PT-020A-ReachabilityCardinality-03
FORMULA_NAME ShieldRVt-PT-020A-ReachabilityCardinality-04
FORMULA_NAME ShieldRVt-PT-020A-ReachabilityCardinality-05
FORMULA_NAME ShieldRVt-PT-020A-ReachabilityCardinality-06
FORMULA_NAME ShieldRVt-PT-020A-ReachabilityCardinality-07
FORMULA_NAME ShieldRVt-PT-020A-ReachabilityCardinality-08
FORMULA_NAME ShieldRVt-PT-020A-ReachabilityCardinality-09
FORMULA_NAME ShieldRVt-PT-020A-ReachabilityCardinality-10
FORMULA_NAME ShieldRVt-PT-020A-ReachabilityCardinality-11
FORMULA_NAME ShieldRVt-PT-020A-ReachabilityCardinality-12
FORMULA_NAME ShieldRVt-PT-020A-ReachabilityCardinality-13
FORMULA_NAME ShieldRVt-PT-020A-ReachabilityCardinality-14
FORMULA_NAME ShieldRVt-PT-020A-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1679171260362

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=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ShieldRVt-PT-020A
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202303021504
[2023-03-18 20:27:42] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2023-03-18 20:27:42] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-18 20:27:42] [INFO ] Load time of PNML (sax parser for PT used): 54 ms
[2023-03-18 20:27:42] [INFO ] Transformed 163 places.
[2023-03-18 20:27:42] [INFO ] Transformed 163 transitions.
[2023-03-18 20:27:42] [INFO ] Found NUPN structural information;
[2023-03-18 20:27:42] [INFO ] Parsed PT model containing 163 places and 163 transitions and 686 arcs in 148 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 17 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
FORMULA ShieldRVt-PT-020A-ReachabilityCardinality-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldRVt-PT-020A-ReachabilityCardinality-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldRVt-PT-020A-ReachabilityCardinality-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-18 20:27:43] [INFO ] Flatten gal took : 69 ms
[2023-03-18 20:27:43] [INFO ] Flatten gal took : 27 ms
[2023-03-18 20:27:43] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2398511158580286874.gal : 21 ms
[2023-03-18 20:27:43] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3274465597325315328.prop : 5 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality2398511158580286874.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3274465597325315328.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality3274465597325315328.prop.
SDD proceeding with computation,13 properties remain. new max is 4
SDD size :3 after 7
SDD proceeding with computation,13 properties remain. new max is 8
SDD size :7 after 17
Reachability property ShieldRVt-PT-020A-ReachabilityCardinality-11 is true.
FORMULA ShieldRVt-PT-020A-ReachabilityCardinality-11 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,12 properties remain. new max is 8
SDD size :17 after 35
Incomplete random walk after 10000 steps, including 2 resets, run finished after 595 ms. (steps per millisecond=16 ) properties (out of 13) seen :5
FORMULA ShieldRVt-PT-020A-ReachabilityCardinality-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldRVt-PT-020A-ReachabilityCardinality-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldRVt-PT-020A-ReachabilityCardinality-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldRVt-PT-020A-ReachabilityCardinality-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldRVt-PT-020A-ReachabilityCardinality-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
SDD proceeding with computation,12 properties remain. new max is 16
SDD size :35 after 53
Invariant property ShieldRVt-PT-020A-ReachabilityCardinality-02 does not hold.
FORMULA ShieldRVt-PT-020A-ReachabilityCardinality-02 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,11 properties remain. new max is 16
SDD size :53 after 191
SDD proceeding with computation,11 properties remain. new max is 32
SDD size :191 after 320
Invariant property ShieldRVt-PT-020A-ReachabilityCardinality-13 does not hold.
FORMULA ShieldRVt-PT-020A-ReachabilityCardinality-13 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Invariant property ShieldRVt-PT-020A-ReachabilityCardinality-04 does not hold.
FORMULA ShieldRVt-PT-020A-ReachabilityCardinality-04 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :320 after 4027
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :4027 after 8215
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :8215 after 786457
Reachability property ShieldRVt-PT-020A-ReachabilityCardinality-05 is true.
SDD proceeding with computation,8 properties remain. new max is 128
SDD size :786457 after 5.36871e+08
SDD proceeding with computation,8 properties remain. new max is 256
SDD size :5.36871e+08 after 1.92415e+12
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 66 ms. (steps per millisecond=151 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 63 ms. (steps per millisecond=158 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 65 ms. (steps per millisecond=153 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 68 ms. (steps per millisecond=147 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 69 ms. (steps per millisecond=144 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 86 ms. (steps per millisecond=116 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 176 ms. (steps per millisecond=56 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 47 ms. (steps per millisecond=212 ) properties (out of 8) seen :0
Running SMT prover for 8 properties.
// Phase 1: matrix 162 rows 163 cols
[2023-03-18 20:27:44] [INFO ] Computed 81 place invariants in 19 ms
[2023-03-18 20:27:44] [INFO ] [Real]Absence check using 81 positive place invariants in 20 ms returned sat
[2023-03-18 20:27:44] [INFO ] After 228ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:8
[2023-03-18 20:27:44] [INFO ] [Nat]Absence check using 81 positive place invariants in 10 ms returned sat
[2023-03-18 20:27:44] [INFO ] After 173ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :8
[2023-03-18 20:27:45] [INFO ] After 348ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :8
Attempting to minimize the solution found.
Minimization took 155 ms.
[2023-03-18 20:27:45] [INFO ] After 636ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :8
Parikh walk visited 0 properties in 92 ms.
Support contains 12 out of 163 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 163/163 places, 162/162 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 162 transition count 161
Partial Free-agglomeration rule applied 16 times.
Drop transitions removed 16 transitions
Iterating global reduction 0 with 16 rules applied. Total rules applied 18 place count 162 transition count 161
Drop transitions removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 0 with 16 rules applied. Total rules applied 34 place count 162 transition count 145
Applied a total of 34 rules in 49 ms. Remains 162 /163 variables (removed 1) and now considering 145/162 (removed 17) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 49 ms. Remains : 162/163 places, 145/162 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 137 ms. (steps per millisecond=72 ) properties (out of 4) seen :2
FORMULA ShieldRVt-PT-020A-ReachabilityCardinality-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldRVt-PT-020A-ReachabilityCardinality-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 2) seen :0
Running SMT prover for 2 properties.
// Phase 1: matrix 145 rows 162 cols
[2023-03-18 20:27:45] [INFO ] Computed 81 place invariants in 3 ms
[2023-03-18 20:27:45] [INFO ] [Real]Absence check using 81 positive place invariants in 9 ms returned sat
[2023-03-18 20:27:45] [INFO ] After 80ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-18 20:27:45] [INFO ] [Nat]Absence check using 81 positive place invariants in 11 ms returned sat
[2023-03-18 20:27:45] [INFO ] After 54ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-18 20:27:45] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-18 20:27:45] [INFO ] After 13ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-18 20:27:45] [INFO ] After 33ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 12 ms.
[2023-03-18 20:27:45] [INFO ] After 177ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 9 ms.
Support contains 8 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 145/145 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 162 transition count 145
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 162 transition count 144
Applied a total of 2 rules in 18 ms. Remains 162 /162 variables (removed 0) and now considering 144/145 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 162/162 places, 144/145 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 84 ms. (steps per millisecond=119 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 2) seen :0
Finished probabilistic random walk after 1915 steps, run visited all 2 properties in 24 ms. (steps per millisecond=79 )
Probabilistic random walk after 1915 steps, saw 1835 distinct states, run finished after 25 ms. (steps per millisecond=76 ) properties seen :2
FORMULA ShieldRVt-PT-020A-ReachabilityCardinality-07 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA ShieldRVt-PT-020A-ReachabilityCardinality-00 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
ITS runner failed with exception null
java.lang.InterruptedException
at java.base/java.lang.Object.wait(Native Method)
at java.base/java.lang.Thread.join(Thread.java:1304)
at java.base/java.lang.Thread.join(Thread.java:1372)
at fr.lip6.move.gal.application.runner.AbstractRunner.join(AbstractRunner.java:27)
at fr.lip6.move.gal.application.runner.its.ITSRunner.join(ITSRunner.java:177)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.verifyWithSDD(GlobalPropertySolver.java:675)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.lambda$2(ReachabilitySolver.java:63)
at java.base/java.lang.Thread.run(Thread.java:833)
All properties solved without resorting to model-checking.
Total runtime 3225 ms.

BK_STOP 1679171266439

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ 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//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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="ShieldRVt-PT-020A"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="itstools"
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 itstools"
echo " Input is ShieldRVt-PT-020A, 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 r421-tajo-167905975000278"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldRVt-PT-020A.tgz
mv ShieldRVt-PT-020A 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 ;