About the Execution of LTSMin+red for RingSingleMessageInMbox-PT-d2m020
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 16219.983 | 3600000.00 | 1055658.00 | 2058211.00 | [undef] | Time out reached |
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-167889202600898.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-d2m020, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r329-tall-167889202600898
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 102M
-rw-r--r-- 1 mcc users 8.9K Feb 26 05:23 CTLCardinality.txt
-rw-r--r-- 1 mcc users 96K Feb 26 05:23 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Feb 26 05:17 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K Feb 26 05:17 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Feb 25 16:46 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 16:46 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K 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 9.2K Feb 26 05:41 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 87K Feb 26 05:41 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.5K Feb 26 05:35 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 56K Feb 26 05:35 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 102M 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 RingSingleMessageInMbox-PT-d2m020-CTLFireability-00
FORMULA_NAME RingSingleMessageInMbox-PT-d2m020-CTLFireability-01
FORMULA_NAME RingSingleMessageInMbox-PT-d2m020-CTLFireability-02
FORMULA_NAME RingSingleMessageInMbox-PT-d2m020-CTLFireability-03
FORMULA_NAME RingSingleMessageInMbox-PT-d2m020-CTLFireability-04
FORMULA_NAME RingSingleMessageInMbox-PT-d2m020-CTLFireability-05
FORMULA_NAME RingSingleMessageInMbox-PT-d2m020-CTLFireability-06
FORMULA_NAME RingSingleMessageInMbox-PT-d2m020-CTLFireability-07
FORMULA_NAME RingSingleMessageInMbox-PT-d2m020-CTLFireability-08
FORMULA_NAME RingSingleMessageInMbox-PT-d2m020-CTLFireability-09
FORMULA_NAME RingSingleMessageInMbox-PT-d2m020-CTLFireability-10
FORMULA_NAME RingSingleMessageInMbox-PT-d2m020-CTLFireability-11
FORMULA_NAME RingSingleMessageInMbox-PT-d2m020-CTLFireability-12
FORMULA_NAME RingSingleMessageInMbox-PT-d2m020-CTLFireability-13
FORMULA_NAME RingSingleMessageInMbox-PT-d2m020-CTLFireability-14
FORMULA_NAME RingSingleMessageInMbox-PT-d2m020-CTLFireability-15
=== Now, execution of the tool begins
BK_START 1679191820091
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=CTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=RingSingleMessageInMbox-PT-d2m020
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-19 02:10:21] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-19 02:10:21] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-19 02:10:24] [INFO ] Load time of PNML (sax parser for PT used): 3013 ms
[2023-03-19 02:10:24] [INFO ] Transformed 66950 places.
[2023-03-19 02:10:25] [INFO ] Transformed 213625 transitions.
[2023-03-19 02:10:25] [INFO ] Parsed PT model containing 66950 places and 213625 transitions and 854500 arcs in 3643 ms.
Parsed 16 properties from file /home/mcc/execution/CTLFireability.xml in 42 ms.
Deduced a syphon composed of 36863 places in 328 ms
Reduce places removed 36863 places and 0 transitions.
Support contains 80 out of 30087 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 30087/30087 places, 213625/213625 transitions.
Reduce places removed 35 places and 0 transitions.
Ensure Unique test removed 300 transitions
Reduce isomorphic transitions removed 300 transitions.
Iterating post reduction 0 with 335 rules applied. Total rules applied 335 place count 30052 transition count 213325
Discarding 249 places :
Symmetric choice reduction at 1 with 249 rule applications. Total rules 584 place count 29803 transition count 148376
Iterating global reduction 1 with 249 rules applied. Total rules applied 833 place count 29803 transition count 148376
Applied a total of 833 rules in 4267 ms. Remains 29803 /30087 variables (removed 284) and now considering 148376/213625 (removed 65249) transitions.
// Phase 1: matrix 148376 rows 29803 cols
[2023-03-19 02:11:55] [INFO ] Computed 3 place invariants in 81401 ms
[2023-03-19 02:11:58] [INFO ] Implicit Places using invariants in 85988 ms returned []
Implicit Place search using SMT only with invariants took 87717 ms to find 0 implicit places.
[2023-03-19 02:11:58] [INFO ] Invariant cache hit.
[2023-03-19 02:12:00] [INFO ] Dead Transitions using invariants and state equation in 2581 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 29803/30087 places, 148376/213625 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 94580 ms. Remains : 29803/30087 places, 148376/213625 transitions.
Support contains 80 out of 29803 places after structural reductions.
[2023-03-19 02:12:07] [INFO ] Flatten gal took : 3362 ms
[2023-03-19 02:12:10] [INFO ] Flatten gal took : 2969 ms
[2023-03-19 02:12:16] [INFO ] Input system was already deterministic with 148376 transitions.
Incomplete random walk after 10000 steps, including 1462 resets, run finished after 18523 ms. (steps per millisecond=0 ) properties (out of 74) seen :56
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 58 ms. (steps per millisecond=17 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 63 ms. (steps per millisecond=15 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 45 ms. (steps per millisecond=22 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 63 ms. (steps per millisecond=15 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=31 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 1 resets, run finished after 27 ms. (steps per millisecond=37 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 47 ms. (steps per millisecond=21 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 47 ms. (steps per millisecond=21 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 78 ms. (steps per millisecond=12 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 39 ms. (steps per millisecond=25 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 1 resets, run finished after 26 ms. (steps per millisecond=38 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=31 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 18) seen :0
Running SMT prover for 18 properties.
[2023-03-19 02:12:36] [INFO ] Invariant cache hit.
[2023-03-19 02:12:46] [INFO ] [Real]Absence check using 2 positive place invariants in 115 ms returned sat
[2023-03-19 02:12:46] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 7 ms returned sat
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: 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:629)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.logic.AtomicReducerSR.checkAtomicPropositionsLogic(AtomicReducerSR.java:105)
at fr.lip6.move.gal.application.solver.logic.AtomicReducerSR.strongReductions(AtomicReducerSR.java:44)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.preSolveForLogic(LTLPropertySolver.java:176)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:626)
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)
[2023-03-19 02:13:01] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-19 02:13:01] [INFO ] After 25019ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 18 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1 ms.
Support contains 34 out of 29803 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 29803/29803 places, 148376/148376 transitions.
Graph (complete) has 207779 edges and 29803 vertex of which 29777 are kept as prefixes of interest. Removing 26 places using SCC suffix rule.174 ms
Discarding 26 places :
Also discarding 0 output transitions
Drop transitions removed 56 transitions
Reduce isomorphic transitions removed 56 transitions.
Iterating post reduction 0 with 56 rules applied. Total rules applied 57 place count 29777 transition count 148320
Discarding 39 places :
Symmetric choice reduction at 1 with 39 rule applications. Total rules 96 place count 29738 transition count 81005
Iterating global reduction 1 with 39 rules applied. Total rules applied 135 place count 29738 transition count 81005
Applied a total of 135 rules in 4144 ms. Remains 29738 /29803 variables (removed 65) and now considering 81005/148376 (removed 67371) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4147 ms. Remains : 29738/29803 places, 81005/148376 transitions.
Incomplete random walk after 10000 steps, including 1498 resets, run finished after 7989 ms. (steps per millisecond=1 ) properties (out of 18) seen :1
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 1 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 31 ms. (steps per millisecond=32 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 35 ms. (steps per millisecond=28 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 1 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 1 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 1 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 1 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 17) seen :0
Interrupted probabilistic random walk after 83568 steps, run timeout after 24001 ms. (steps per millisecond=3 ) properties seen :{5=1}
Probabilistic random walk after 83568 steps, saw 47658 distinct states, run finished after 24002 ms. (steps per millisecond=3 ) properties seen :1
Running SMT prover for 16 properties.
// Phase 1: matrix 81005 rows 29738 cols
[2023-03-19 02:13:51] [INFO ] Computed 4 place invariants in 13763 ms
[2023-03-19 02:14:01] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 326 ms returned sat
[2023-03-19 02:14:16] [INFO ] After 13372ms SMT Verify possible using state equation in real domain returned unsat :0 sat :5 real:10
pnml2lts-sym model.pnml --lace-workers=4 --vset=lddmc --saturation=sat -rbs,w2W,ru,hf --sylvan-sizes=20,28,20,28 --ctl=/tmp/593/ctl_0_ --ctl=/tmp/593/ctl_1_ --ctl=/tmp/593/ctl_2_ --ctl=/tmp/593/ctl_3_ --ctl=/tmp/593/ctl_4_ --ctl=/tmp/593/ctl_5_ --ctl=/tmp/593/ctl_6_ --ctl=/tmp/593/ctl_7_ --ctl=/tmp/593/ctl_8_ --ctl=/tmp/593/ctl_9_ --ctl=/tmp/593/ctl_10_ --ctl=/tmp/593/ctl_11_ --ctl=/tmp/593/ctl_12_ --ctl=/tmp/593/ctl_13_ --ctl=/tmp/593/ctl_14_ --ctl=/tmp/593/ctl_15_ --mu-par --mu-opt
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16393216 kB
MemFree: 6730944 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16165964 kB
BK_TIME_CONFINEMENT_REACHED
--------------------
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 CTLFireability -timeout 360 -rebuildPNML
mcc2023
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-d2m020"
export BK_EXAMINATION="CTLFireability"
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-d2m020, examination is CTLFireability"
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-167889202600898"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/RingSingleMessageInMbox-PT-d2m020.tgz
mv RingSingleMessageInMbox-PT-d2m020 execution
cd execution
if [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "UpperBounds" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] || [ "CTLFireability" = "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 [ "CTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLFireability" != "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 "CTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLFireability.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 '
echo "FORMULA_NAME $x"
done
elif [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLFireability"
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 ;