About the Execution of ITS-Tools for DLCflexbar-PT-4b
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
2053.907 | 108912.00 | 69892.00 | 36063.50 | F?T?T???FF?????? | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2021-input.r064-tall-162038396800205.qcow2', fmt=qcow2 size=4294967296 backing_file='/data/fkordon/mcc2021-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
.........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-4028
Executing tool itstools
Input is DLCflexbar-PT-4b, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r064-tall-162038396800205
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.5M
-rw-r--r-- 1 mcc users 14K May 5 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 123K May 5 16:58 CTLCardinality.xml
-rw-r--r-- 1 mcc users 11K May 5 16:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 86K May 5 16:58 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 6 14:48 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K May 6 14:48 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.6K Mar 28 15:57 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 28 15:57 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.9K Mar 28 15:57 LTLFireability.txt
-rw-r--r-- 1 mcc users 15K Mar 28 15:57 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.4K Mar 23 03:50 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 17K Mar 23 03:50 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Mar 22 13:49 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 16K Mar 22 13:49 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 22 09:10 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 22 09:10 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 5 16:51 equiv_col
-rw-r--r-- 1 mcc users 3 May 5 16:51 instance
-rw-r--r-- 1 mcc users 6 May 5 16:51 iscolored
-rw-r--r-- 1 mcc users 4.1M May 5 16:51 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 DLCflexbar-PT-4b-00
FORMULA_NAME DLCflexbar-PT-4b-01
FORMULA_NAME DLCflexbar-PT-4b-02
FORMULA_NAME DLCflexbar-PT-4b-03
FORMULA_NAME DLCflexbar-PT-4b-04
FORMULA_NAME DLCflexbar-PT-4b-05
FORMULA_NAME DLCflexbar-PT-4b-06
FORMULA_NAME DLCflexbar-PT-4b-07
FORMULA_NAME DLCflexbar-PT-4b-08
FORMULA_NAME DLCflexbar-PT-4b-09
FORMULA_NAME DLCflexbar-PT-4b-10
FORMULA_NAME DLCflexbar-PT-4b-11
FORMULA_NAME DLCflexbar-PT-4b-12
FORMULA_NAME DLCflexbar-PT-4b-13
FORMULA_NAME DLCflexbar-PT-4b-14
FORMULA_NAME DLCflexbar-PT-4b-15
=== Now, execution of the tool begins
BK_START 1620493251234
Running Version 0
[2021-05-08 17:01:11] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -spotpath, /home/mcc/BenchKit/bin//..//ltlfilt, -z3path, /home/mcc/BenchKit/bin//..//z3/bin/z3, -yices2path, /home/mcc/BenchKit/bin//..//yices/bin/yices, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2021-05-08 17:01:11] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-05-08 17:01:12] [INFO ] Load time of PNML (sax parser for PT used): 437 ms
[2021-05-08 17:01:12] [INFO ] Transformed 11440 places.
[2021-05-08 17:01:12] [INFO ] Transformed 17128 transitions.
[2021-05-08 17:01:12] [INFO ] Found NUPN structural information;
[2021-05-08 17:01:12] [INFO ] Parsed PT model containing 11440 places and 17128 transitions in 888 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 15 ms.
Working with output stream class java.io.PrintStream
[2021-05-08 17:01:12] [INFO ] Initial state test concluded for 4 properties.
FORMULA DLCflexbar-PT-4b-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCflexbar-PT-4b-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 35 out of 11440 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 11440/11440 places, 17128/17128 transitions.
Discarding 1900 places :
Symmetric choice reduction at 0 with 1900 rule applications. Total rules 1900 place count 9540 transition count 15228
Iterating global reduction 0 with 1900 rules applied. Total rules applied 3800 place count 9540 transition count 15228
Discarding 1661 places :
Symmetric choice reduction at 0 with 1661 rule applications. Total rules 5461 place count 7879 transition count 13567
Iterating global reduction 0 with 1661 rules applied. Total rules applied 7122 place count 7879 transition count 13567
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7128 place count 7879 transition count 13561
Discarding 329 places :
Symmetric choice reduction at 1 with 329 rule applications. Total rules 7457 place count 7550 transition count 12901
Iterating global reduction 1 with 329 rules applied. Total rules applied 7786 place count 7550 transition count 12901
Discarding 309 places :
Symmetric choice reduction at 1 with 309 rule applications. Total rules 8095 place count 7241 transition count 12592
Iterating global reduction 1 with 309 rules applied. Total rules applied 8404 place count 7241 transition count 12592
Ensure Unique test removed 43 transitions
Reduce isomorphic transitions removed 43 transitions.
Iterating post reduction 1 with 43 rules applied. Total rules applied 8447 place count 7241 transition count 12549
Discarding 134 places :
Symmetric choice reduction at 2 with 134 rule applications. Total rules 8581 place count 7107 transition count 12415
Iterating global reduction 2 with 134 rules applied. Total rules applied 8715 place count 7107 transition count 12415
Discarding 134 places :
Symmetric choice reduction at 2 with 134 rule applications. Total rules 8849 place count 6973 transition count 12281
Iterating global reduction 2 with 134 rules applied. Total rules applied 8983 place count 6973 transition count 12281
Discarding 133 places :
Symmetric choice reduction at 2 with 133 rule applications. Total rules 9116 place count 6840 transition count 12148
Iterating global reduction 2 with 133 rules applied. Total rules applied 9249 place count 6840 transition count 12148
Discarding 127 places :
Symmetric choice reduction at 2 with 127 rule applications. Total rules 9376 place count 6713 transition count 12021
Iterating global reduction 2 with 127 rules applied. Total rules applied 9503 place count 6713 transition count 12021
Discarding 85 places :
Symmetric choice reduction at 2 with 85 rule applications. Total rules 9588 place count 6628 transition count 11936
Iterating global reduction 2 with 85 rules applied. Total rules applied 9673 place count 6628 transition count 11936
Discarding 85 places :
Symmetric choice reduction at 2 with 85 rule applications. Total rules 9758 place count 6543 transition count 11851
Iterating global reduction 2 with 85 rules applied. Total rules applied 9843 place count 6543 transition count 11851
Applied a total of 9843 rules in 14133 ms. Remains 6543 /11440 variables (removed 4897) and now considering 11851/17128 (removed 5277) transitions.
// Phase 1: matrix 11851 rows 6543 cols
[2021-05-08 17:01:35] [INFO ] Computed 608 place invariants in 88 ms
[2021-05-08 17:01:37] [INFO ] Implicit Places using invariants in 2218 ms returned []
Implicit Place search using SMT only with invariants took 10620 ms to find 0 implicit places.
// Phase 1: matrix 11851 rows 6543 cols
[2021-05-08 17:01:38] [INFO ] Computed 608 place invariants in 76 ms
[2021-05-08 17:01:56] [INFO ] Dead Transitions using invariants and state equation in 18138 ms returned []
Finished structural reductions, in 1 iterations. Remains : 6543/11440 places, 11851/17128 transitions.
[2021-05-08 17:01:57] [INFO ] Initial state reduction rules for LTL removed 3 formulas.
[2021-05-08 17:01:57] [INFO ] Flatten gal took : 1049 ms
FORMULA DLCflexbar-PT-4b-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCflexbar-PT-4b-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCflexbar-PT-4b-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2021-05-08 17:01:58] [INFO ] Flatten gal took : 687 ms
[2021-05-08 17:01:59] [INFO ] Input system was already deterministic with 11851 transitions.
Incomplete random walk after 100000 steps, including 2 resets, run finished after 1909 ms. (steps per millisecond=52 ) properties (out of 22) seen :21
Running SMT prover for 1 properties.
// Phase 1: matrix 11851 rows 6543 cols
[2021-05-08 17:02:15] [INFO ] Computed 608 place invariants in 72 ms
[2021-05-08 17:02:17] [INFO ] [Real]Absence check using 608 positive place invariants in 1102 ms returned sat
[2021-05-08 17:02:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-08 17:02:24] [INFO ] [Real]Absence check using state equation in 6188 ms returned unsat :0 sat :1 real:0
Attempting to minimize the solution found.
Minimization took 382 ms.
[2021-05-08 17:02:24] [INFO ] SMT Verify possible in real domain returnedunsat :0 sat :1 real:0
Application raised an uncaught exception Subprocess running CommandLine [args=[/home/mcc/BenchKit/bin//..//ltlfilt, --lbt, -r, --unabbreviate=eiMRW^, -f, (G((F(p0)&&F(G(p1)))) U p2), -f, (G(F(p3))&&F(p4)), -f, (G((p5&&F(p6)))||G((F(p6)&&F(G(p7))))), -f, X(X((p8 U (G(p8)||p9)))), -f, F(G(p10)), -f, X(X(X((F(G(p11)) U p12)))), -f, X(F(p13)), -f, X(F(p14)), -f, G(p15), -f, X(F((p16||(p17 U (p18||G(p17)))))), -f, X(G((p19||X(X(X(F((p20&&F(p21)))))))))], workingDir=/home/mcc/execution] killed by timeout after 10 SECONDS
java.util.concurrent.TimeoutException: Subprocess running CommandLine [args=[/home/mcc/BenchKit/bin//..//ltlfilt, --lbt, -r, --unabbreviate=eiMRW^, -f, (G((F(p0)&&F(G(p1)))) U p2), -f, (G(F(p3))&&F(p4)), -f, (G((p5&&F(p6)))||G((F(p6)&&F(G(p7))))), -f, X(X((p8 U (G(p8)||p9)))), -f, F(G(p10)), -f, X(X(X((F(G(p11)) U p12)))), -f, X(F(p13)), -f, X(F(p14)), -f, G(p15), -f, X(F((p16||(p17 U (p18||G(p17)))))), -f, X(G((p19||X(X(X(F((p20&&F(p21)))))))))], workingDir=/home/mcc/execution] killed by timeout after 10 SECONDS
at fr.lip6.move.gal.process.Runner.waitForOrTimeout(Runner.java:76)
at fr.lip6.move.gal.process.Runner.runTool(Runner.java:138)
at fr.lip6.move.gal.process.Runner.runTool(Runner.java:112)
at fr.lip6.move.gal.application.SpotRunner.runLTLSimplifications(SpotRunner.java:152)
at fr.lip6.move.gal.application.LTLPropertySolver.preSolveForLogic(LTLPropertySolver.java:139)
at fr.lip6.move.gal.application.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:55)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:470)
at fr.lip6.move.gal.application.Application.start(Application.java:140)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:43)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401)
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:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:653)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:590)
at org.eclipse.equinox.launcher.Main.run(Main.java:1461)
at org.eclipse.equinox.launcher.Main.main(Main.java:1434)
BK_STOP 1620493360146
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ cut -d . -f 9
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202104292328.jar
+ VERSION=0
+ echo 'Running Version 0'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data /home/mcc/execution/workspace -pnfolder /home/mcc/execution -examination LTLFireability -spotpath /home/mcc/BenchKit/bin//..//ltlfilt -z3path /home/mcc/BenchKit/bin//..//z3/bin/z3 -yices2path /home/mcc/BenchKit/bin//..//yices/bin/yices -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss128m -Xms40m -Xmx16000m
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="DLCflexbar-PT-4b"
export BK_EXAMINATION="LTLFireability"
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 2-4028"
echo " Executing tool itstools"
echo " Input is DLCflexbar-PT-4b, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r064-tall-162038396800205"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DLCflexbar-PT-4b.tgz
mv DLCflexbar-PT-4b execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "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 [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLFireability.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 [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
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 ;