Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r329-tall-167889202600853.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is RingSingleMessageInMbox-PT-d1m020, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r329-tall-167889202600853
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 6.3M
-rw-r--r-- 1 mcc users 8.8K Feb 26 05:06 CTLCardinality.txt
-rw-r--r-- 1 mcc users 93K Feb 26 05:06 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Feb 26 05:04 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K Feb 26 05:04 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K Feb 25 16:46 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 16:46 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Feb 25 16:46 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:46 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Feb 26 05:11 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 141K Feb 26 05:11 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.3K Feb 26 05:09 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 66K Feb 26 05:09 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Feb 25 16:46 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Feb 25 16:46 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 5.8M 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 positive values
NUM_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME RingSingleMessageInMbox-PT-d1m020-UpperBounds-00
FORMULA_NAME RingSingleMessageInMbox-PT-d1m020-UpperBounds-01
FORMULA_NAME RingSingleMessageInMbox-PT-d1m020-UpperBounds-02
FORMULA_NAME RingSingleMessageInMbox-PT-d1m020-UpperBounds-03
FORMULA_NAME RingSingleMessageInMbox-PT-d1m020-UpperBounds-04
FORMULA_NAME RingSingleMessageInMbox-PT-d1m020-UpperBounds-05
FORMULA_NAME RingSingleMessageInMbox-PT-d1m020-UpperBounds-06
FORMULA_NAME RingSingleMessageInMbox-PT-d1m020-UpperBounds-07
FORMULA_NAME RingSingleMessageInMbox-PT-d1m020-UpperBounds-08
FORMULA_NAME RingSingleMessageInMbox-PT-d1m020-UpperBounds-09
FORMULA_NAME RingSingleMessageInMbox-PT-d1m020-UpperBounds-10
FORMULA_NAME RingSingleMessageInMbox-PT-d1m020-UpperBounds-11
FORMULA_NAME RingSingleMessageInMbox-PT-d1m020-UpperBounds-12
FORMULA_NAME RingSingleMessageInMbox-PT-d1m020-UpperBounds-13
FORMULA_NAME RingSingleMessageInMbox-PT-d1m020-UpperBounds-14
FORMULA_NAME RingSingleMessageInMbox-PT-d1m020-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1679176336951

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=ltsminxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=RingSingleMessageInMbox-PT-d1m020
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-18 21:52:18] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2023-03-18 21:52:18] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-18 21:52:18] [INFO ] Load time of PNML (sax parser for PT used): 370 ms
[2023-03-18 21:52:18] [INFO ] Transformed 6690 places.
[2023-03-18 21:52:18] [INFO ] Transformed 11934 transitions.
[2023-03-18 21:52:18] [INFO ] Parsed PT model containing 6690 places and 11934 transitions and 47736 arcs in 594 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 14 ms.
Deduced a syphon composed of 4305 places in 28 ms
Reduce places removed 4305 places and 0 transitions.
FORMULA RingSingleMessageInMbox-PT-d1m020-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m020-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m020-UpperBounds-02 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m020-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m020-UpperBounds-05 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m020-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m020-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m020-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m020-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m020-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RingSingleMessageInMbox-PT-d1m020-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
// Phase 1: matrix 11934 rows 2385 cols
[2023-03-18 21:52:20] [INFO ] Computed 5 place invariants in 1055 ms
Incomplete random walk after 10000 steps, including 1479 resets, run finished after 832 ms. (steps per millisecond=12 ) properties (out of 5) seen :2
FORMULA RingSingleMessageInMbox-PT-d1m020-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA RingSingleMessageInMbox-PT-d1m020-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 55 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 34 resets, run finished after 24 ms. (steps per millisecond=416 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 59 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 3) seen :0
[2023-03-18 21:52:21] [INFO ] Invariant cache hit.
[2023-03-18 21:52:21] [INFO ] [Real]Absence check using 2 positive place invariants in 35 ms returned sat
[2023-03-18 21:52:21] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 46 ms returned sat
[2023-03-18 21:52:21] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 21:52:24] [INFO ] [Real]Absence check using state equation in 2422 ms returned sat
[2023-03-18 21:52:24] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 21:52:24] [INFO ] [Nat]Absence check using 2 positive place invariants in 33 ms returned sat
[2023-03-18 21:52:24] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 31 ms returned sat
[2023-03-18 21:52:24] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 21:52:27] [INFO ] [Nat]Absence check using state equation in 2632 ms returned sat
[2023-03-18 21:52:28] [INFO ] State equation strengthened by 9690 read => feed constraints.
[2023-03-18 21:52:29] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 0
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:908)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2620)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:186)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:714)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-18 21:52:29] [INFO ] [Real]Absence check using 2 positive place invariants in 28 ms returned sat
[2023-03-18 21:52:29] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 46 ms returned sat
[2023-03-18 21:52:29] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 21:52:32] [INFO ] [Real]Absence check using state equation in 3052 ms returned sat
[2023-03-18 21:52:32] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 21:52:33] [INFO ] [Nat]Absence check using 2 positive place invariants in 31 ms returned sat
[2023-03-18 21:52:33] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 31 ms returned sat
[2023-03-18 21:52:33] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 21:52:36] [INFO ] [Nat]Absence check using state equation in 2988 ms returned sat
[2023-03-18 21:52:38] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ... while checking expression at index 1
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:908)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2620)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:186)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:714)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-18 21:52:38] [INFO ] [Real]Absence check using 2 positive place invariants in 32 ms returned sat
[2023-03-18 21:52:38] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 35 ms returned sat
[2023-03-18 21:52:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 21:52:40] [INFO ] [Real]Absence check using state equation in 2664 ms returned sat
[2023-03-18 21:52:41] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 21:52:41] [INFO ] [Nat]Absence check using 2 positive place invariants in 41 ms returned sat
[2023-03-18 21:52:41] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 31 ms returned sat
[2023-03-18 21:52:41] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 21:52:43] [INFO ] [Nat]Absence check using state equation in 2465 ms returned unsat
Current structural bounds on expressions (after SMT) : [1, 1, 0] Max seen :[0, 0, 0]
FORMULA RingSingleMessageInMbox-PT-d1m020-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Support contains 2 out of 2385 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2385/2385 places, 11934/11934 transitions.
Graph (complete) has 16557 edges and 2385 vertex of which 2367 are kept as prefixes of interest. Removing 18 places using SCC suffix rule.24 ms
Discarding 18 places :
Also discarding 0 output transitions
Drop transitions removed 9 transitions
Ensure Unique test removed 102 transitions
Reduce isomorphic transitions removed 111 transitions.
Iterating post reduction 0 with 111 rules applied. Total rules applied 112 place count 2367 transition count 11823
Discarding 1105 places :
Symmetric choice reduction at 1 with 1105 rule applications. Total rules 1217 place count 1262 transition count 2414
Iterating global reduction 1 with 1105 rules applied. Total rules applied 2322 place count 1262 transition count 2414
Ensure Unique test removed 72 transitions
Reduce isomorphic transitions removed 72 transitions.
Iterating post reduction 1 with 72 rules applied. Total rules applied 2394 place count 1262 transition count 2342
Discarding 941 places :
Symmetric choice reduction at 2 with 941 rule applications. Total rules 3335 place count 321 transition count 1401
Iterating global reduction 2 with 941 rules applied. Total rules applied 4276 place count 321 transition count 1401
Ensure Unique test removed 894 transitions
Reduce isomorphic transitions removed 894 transitions.
Iterating post reduction 2 with 894 rules applied. Total rules applied 5170 place count 321 transition count 507
Discarding 130 places :
Symmetric choice reduction at 3 with 130 rule applications. Total rules 5300 place count 191 transition count 377
Iterating global reduction 3 with 130 rules applied. Total rules applied 5430 place count 191 transition count 377
Ensure Unique test removed 98 transitions
Reduce isomorphic transitions removed 98 transitions.
Iterating post reduction 3 with 98 rules applied. Total rules applied 5528 place count 191 transition count 279
Discarding 9 places :
Symmetric choice reduction at 4 with 9 rule applications. Total rules 5537 place count 182 transition count 258
Iterating global reduction 4 with 9 rules applied. Total rules applied 5546 place count 182 transition count 258
Applied a total of 5546 rules in 432 ms. Remains 182 /2385 variables (removed 2203) and now considering 258/11934 (removed 11676) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 432 ms. Remains : 182/2385 places, 258/11934 transitions.
// Phase 1: matrix 258 rows 182 cols
[2023-03-18 21:52:44] [INFO ] Computed 4 place invariants in 4 ms
Incomplete random walk after 1000000 steps, including 182703 resets, run finished after 1632 ms. (steps per millisecond=612 ) properties (out of 2) seen :2
FORMULA RingSingleMessageInMbox-PT-d1m020-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA RingSingleMessageInMbox-PT-d1m020-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
All properties solved without resorting to model-checking.
Total runtime 27736 ms.
ITS solved all properties within timeout

BK_STOP 1679176366879

--------------------
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_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -timeout 360 -rebuildPNML

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="RingSingleMessageInMbox-PT-d1m020"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="ltsminxred"
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 ltsminxred"
echo " Input is RingSingleMessageInMbox-PT-d1m020, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r329-tall-167889202600853"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RingSingleMessageInMbox-PT-d1m020.tgz
mv RingSingleMessageInMbox-PT-d1m020 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property UpperBounds.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "UpperBounds.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 '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;