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.r055-tajo-167813707000478.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)
.................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is CANInsertWithFailure-PT-080, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r055-tajo-167813707000478
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 39M
-rw-r--r-- 1 mcc users 9.3K Feb 26 01:01 CTLCardinality.txt
-rw-r--r-- 1 mcc users 79K Feb 26 01:01 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.0K Feb 26 00:43 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Feb 26 00:43 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Feb 25 15:41 LTLCardinality.txt
-rw-r--r-- 1 mcc users 22K Feb 25 15:41 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.1K Feb 25 15:41 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 15:41 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Feb 26 01:24 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 100K Feb 26 01:24 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 15K Feb 26 01:10 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 93K Feb 26 01:10 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Feb 25 15:41 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Feb 25 15:41 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 39M Mar 5 18:22 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME StableMarking

=== Now, execution of the tool begins

BK_START 1679034731998

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=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CANInsertWithFailure-PT-080
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-17 06:32:13] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -timeout, 180, -rebuildPNML]
[2023-03-17 06:32:13] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-17 06:32:14] [INFO ] Load time of PNML (sax parser for PT used): 832 ms
[2023-03-17 06:32:14] [INFO ] Transformed 13764 places.
[2023-03-17 06:32:14] [INFO ] Transformed 38880 transitions.
[2023-03-17 06:32:14] [INFO ] Parsed PT model containing 13764 places and 38880 transitions and 104000 arcs in 1117 ms.
Incomplete random walk after 10000 steps, including 5 resets, run finished after 1668 ms. (steps per millisecond=5 ) properties (out of 13764) seen :2015
Running SMT prover for 11749 properties.
// Phase 1: matrix 38880 rows 13764 cols
[2023-03-17 06:32:26] [INFO ] Computed 83 place invariants in 9266 ms
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.assertInvariants(DeadlockTester.java:2340)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:618)
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.global.GlobalPropertySolver.applyReachabilitySolver(GlobalPropertySolver.java:724)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.solveProperty(GlobalPropertySolver.java:558)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.preSolveLiveness(GlobalPropertySolver.java:412)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.preStableMarking(GlobalPropertySolver.java:321)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.solveProperty(GlobalPropertySolver.java:294)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:386)
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)
[2023-03-17 06:32:51] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 06:32:51] [INFO ] After 25112ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 11749 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 3 ms.
Support contains 11749 out of 13764 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 13764/13764 places, 38880/38880 transitions.
Graph (complete) has 52401 edges and 13764 vertex of which 13763 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.79 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions removed 319 transitions
Trivial Post-agglo rules discarded 319 transitions
Performed 319 trivial Post agglomeration. Transition count delta: 319
Iterating post reduction 0 with 319 rules applied. Total rules applied 320 place count 13763 transition count 38561
Reduce places removed 319 places and 0 transitions.
Iterating post reduction 1 with 319 rules applied. Total rules applied 639 place count 13444 transition count 38561
Performed 407 Post agglomeration using F-continuation condition.Transition count delta: 407
Deduced a syphon composed of 407 places in 40 ms
Reduce places removed 407 places and 0 transitions.
Iterating global reduction 2 with 814 rules applied. Total rules applied 1453 place count 13037 transition count 38154
Partial Free-agglomeration rule applied 871 times.
Drop transitions removed 871 transitions
Iterating global reduction 2 with 871 rules applied. Total rules applied 2324 place count 13037 transition count 38154
Applied a total of 2324 rules in 1849 ms. Remains 13037 /13764 variables (removed 727) and now considering 38154/38880 (removed 726) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1856 ms. Remains : 13037/13764 places, 38154/38880 transitions.
Interrupted random walk after 223443 steps, including 271 resets, run timeout after 30001 ms. (steps per millisecond=7 ) properties seen 11677
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 248 ms. (steps per millisecond=403 ) properties (out of 72) seen :2
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 252 ms. (steps per millisecond=396 ) properties (out of 70) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 244 ms. (steps per millisecond=409 ) properties (out of 70) seen :3
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 240 ms. (steps per millisecond=416 ) properties (out of 67) seen :3
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 244 ms. (steps per millisecond=409 ) properties (out of 64) seen :4
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 235 ms. (steps per millisecond=425 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 241 ms. (steps per millisecond=414 ) properties (out of 60) seen :4
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 237 ms. (steps per millisecond=421 ) properties (out of 56) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 238 ms. (steps per millisecond=420 ) properties (out of 56) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 240 ms. (steps per millisecond=416 ) properties (out of 56) seen :4
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 236 ms. (steps per millisecond=423 ) properties (out of 52) seen :2
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 239 ms. (steps per millisecond=418 ) properties (out of 50) seen :2
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 234 ms. (steps per millisecond=427 ) properties (out of 48) seen :2
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 243 ms. (steps per millisecond=411 ) properties (out of 46) seen :2
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 238 ms. (steps per millisecond=420 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 234 ms. (steps per millisecond=427 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 233 ms. (steps per millisecond=429 ) properties (out of 44) seen :1
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 238 ms. (steps per millisecond=420 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 230 ms. (steps per millisecond=434 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 239 ms. (steps per millisecond=418 ) properties (out of 43) seen :1
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 235 ms. (steps per millisecond=425 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 236 ms. (steps per millisecond=423 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 238 ms. (steps per millisecond=420 ) properties (out of 42) seen :1
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 237 ms. (steps per millisecond=421 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 238 ms. (steps per millisecond=420 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 233 ms. (steps per millisecond=429 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 241 ms. (steps per millisecond=414 ) properties (out of 41) seen :1
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 239 ms. (steps per millisecond=418 ) properties (out of 40) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 234 ms. (steps per millisecond=427 ) properties (out of 40) seen :2
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 236 ms. (steps per millisecond=423 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 237 ms. (steps per millisecond=421 ) properties (out of 38) seen :1
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 236 ms. (steps per millisecond=423 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 233 ms. (steps per millisecond=429 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 242 ms. (steps per millisecond=413 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 234 ms. (steps per millisecond=427 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 236 ms. (steps per millisecond=423 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 237 ms. (steps per millisecond=421 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 236 ms. (steps per millisecond=423 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 235 ms. (steps per millisecond=425 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 211 ms. (steps per millisecond=473 ) properties (out of 37) seen :1
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 203 ms. (steps per millisecond=492 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 203 ms. (steps per millisecond=492 ) properties (out of 36) seen :1
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 207 ms. (steps per millisecond=483 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 206 ms. (steps per millisecond=485 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 208 ms. (steps per millisecond=480 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 206 ms. (steps per millisecond=485 ) properties (out of 35) seen :1
Running SMT prover for 34 properties.
[2023-03-17 06:33:34] [INFO ] Flow matrix only has 38097 transitions (discarded 57 similar events)
// Phase 1: matrix 38097 rows 13037 cols
[2023-03-17 06:33:42] [INFO ] Computed 82 place invariants in 7911 ms
[2023-03-17 06:33:51] [INFO ] After 9185ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:34
[2023-03-17 06:34:00] [INFO ] [Nat]Absence check using 80 positive place invariants in 175 ms returned sat
[2023-03-17 06:34:00] [INFO ] [Nat]Absence check using 80 positive and 2 generalized place invariants in 290 ms returned sat
[2023-03-17 06:35:09] [INFO ] After 61613ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :34
[2023-03-17 06:35:09] [INFO ] State equation strengthened by 14257 read => feed constraints.
[2023-03-17 06:35:54] [INFO ] After 44768ms SMT Verify possible using 14257 Read/Feed constraints in natural domain returned unsat :0 sat :33
[2023-03-17 06:36:43] [INFO ] After 93516ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :33
Attempting to minimize the solution found.
Minimization took 30790 ms.
[2023-03-17 06:37:14] [INFO ] After 202387ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :33
Fused 34 Parikh solutions to 2 different solutions.
Parikh walk visited 1 properties in 476 ms.
Support contains 33 out of 13037 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 13037/13037 places, 38154/38154 transitions.
Drop transitions removed 236 transitions
Trivial Post-agglo rules discarded 236 transitions
Performed 236 trivial Post agglomeration. Transition count delta: 236
Iterating post reduction 0 with 236 rules applied. Total rules applied 236 place count 13037 transition count 37918
Reduce places removed 236 places and 0 transitions.
Iterating post reduction 1 with 236 rules applied. Total rules applied 472 place count 12801 transition count 37918
Performed 5841 Post agglomeration using F-continuation condition.Transition count delta: 5841
Deduced a syphon composed of 5841 places in 18 ms
Reduce places removed 5841 places and 0 transitions.
Iterating global reduction 2 with 11682 rules applied. Total rules applied 12154 place count 6960 transition count 32077
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 2 with 2 rules applied. Total rules applied 12156 place count 6960 transition count 32075
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 12158 place count 6958 transition count 32075
Partial Free-agglomeration rule applied 5815 times.
Drop transitions removed 5815 transitions
Iterating global reduction 3 with 5815 rules applied. Total rules applied 17973 place count 6958 transition count 32075
Applied a total of 17973 rules in 13729 ms. Remains 6958 /13037 variables (removed 6079) and now considering 32075/38154 (removed 6079) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13729 ms. Remains : 6958/13037 places, 32075/38154 transitions.
Finished random walk after 130534 steps, including 268 resets, run visited all 33 properties in 6599 ms. (steps per millisecond=19 )
Able to resolve query StableMarking after proving 13764 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK PARIKH_WALK BESTFIRST_WALK TOPOLOGICAL
Total runtime 321242 ms.
ITS solved all properties within timeout

BK_STOP 1679035055214

--------------------
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 StableMarking -timeout 180 -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="CANInsertWithFailure-PT-080"
export BK_EXAMINATION="StableMarking"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 CANInsertWithFailure-PT-080, examination is StableMarking"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r055-tajo-167813707000478"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CANInsertWithFailure-PT-080.tgz
mv CANInsertWithFailure-PT-080 execution
cd execution
if [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "UpperBounds" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] || [ "StableMarking" = "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 [ "StableMarking" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "StableMarking" != "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 "StableMarking.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property StableMarking.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "StableMarking.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 '' StableMarking.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] ; then
echo "FORMULA_NAME StableMarking"
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 ;