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.r499-tall-167912722900619.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)
..............
=====================================================================
Generated by BenchKit 2-5348
Executing tool itstools
Input is UtilityControlRoom-COL-Z2T4N02, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r499-tall-167912722900619
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 468K
-rw-r--r-- 1 mcc users 6.7K Feb 26 14:50 CTLCardinality.txt
-rw-r--r-- 1 mcc users 58K Feb 26 14:50 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Feb 26 14:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 39K Feb 26 14:48 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.1K Feb 25 17:24 LTLCardinality.txt
-rw-r--r-- 1 mcc users 22K Feb 25 17:24 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Feb 25 17:24 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 17:24 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Feb 26 14:52 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 140K Feb 26 14:52 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Feb 26 14:52 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 75K Feb 26 14:52 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Feb 25 17:24 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Feb 25 17:24 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_pt
-rw-r--r-- 1 mcc users 8 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 29K 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

FORMULA_NAME Liveness

=== Now, execution of the tool begins

BK_START 1679508663487

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=UtilityControlRoom-COL-Z2T4N02
Not applying reductions.
Model is COL
Liveness COL
Running Version 202303021504
[2023-03-22 18:11:05] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2023-03-22 18:11:05] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-22 18:11:05] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2023-03-22 18:11:05] [WARNING] Using fallBack plugin, rng conformance not checked
[2023-03-22 18:11:06] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 614 ms
[2023-03-22 18:11:06] [INFO ] Imported 13 HL places and 12 HL transitions for a total of 38 PT places and 54.0 transition bindings in 17 ms.
[2023-03-22 18:11:06] [INFO ] Built PT skeleton of HLPN with 13 places and 12 transitions 37 arcs in 5 ms.
[2023-03-22 18:11:06] [INFO ] Skeletonized 0 HLPN properties in 0 ms.
[2023-03-22 18:11:06] [INFO ] Unfolded HLPN to a Petri net with 38 places and 54 transitions 170 arcs in 15 ms.
[2023-03-22 18:11:06] [INFO ] Unfolded 0 HLPN properties in 0 ms.
[2023-03-22 18:11:06] [INFO ] Unfolded HLPN to a Petri net with 38 places and 54 transitions 170 arcs in 19 ms.
[2023-03-22 18:11:06] [INFO ] Unfolded 12 HLPN properties in 0 ms.
[2023-03-22 18:11:06] [INFO ] Reduced 2 identical enabling conditions.
[2023-03-22 18:11:06] [INFO ] Built PT skeleton of HLPN with 13 places and 12 transitions 37 arcs in 0 ms.
[2023-03-22 18:11:06] [INFO ] Skeletonized 12 HLPN properties in 1 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Prefix of Interest using HLPN skeleton for deadlock discarded 0 places and 0 transitions.
Transition timeout forces synchronizations/join behavior on parameter c of sort Cli
Domain [Cli(2), Z(2), Z(2)] of place MovetoZ breaks symmetries in sort Z
[2023-03-22 18:11:06] [INFO ] Unfolded HLPN to a Petri net with 38 places and 54 transitions 170 arcs in 10 ms.
[2023-03-22 18:11:06] [INFO ] Unfolded 12 HLPN properties in 0 ms.
[2023-03-22 18:11:06] [INFO ] Reduced 2 identical enabling conditions.
Ensure Unique test removed 8 transitions
Reduce redundant transitions removed 8 transitions.
Built sparse matrix representations for Structural reductions in 0 ms.25722KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 38/38 places, 46/46 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Drop transitions removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 38 transition count 42
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 4 rules in 31 ms. Remains 38 /38 variables (removed 0) and now considering 42/46 (removed 4) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 32 ms. Remains : 38/38 places, 42/46 transitions.
Random walk for 1250000 steps, including 0 resets, run took 1057 ms (no deadlock found). (steps per millisecond=1182 )
Random directed walk for 1250002 steps, including 0 resets, run took 602 ms (no deadlock found). (steps per millisecond=2076 )
// Phase 1: matrix 42 rows 38 cols
[2023-03-22 18:11:08] [INFO ] Computed 7 place invariants in 9 ms
[2023-03-22 18:11:08] [INFO ] [Real]Absence check using 7 positive place invariants in 4 ms returned unsat
[2023-03-22 18:11:08] [INFO ] Unfolded HLPN to a Petri net with 38 places and 54 transitions 170 arcs in 1 ms.
[2023-03-22 18:11:08] [INFO ] Unfolded 12 HLPN properties in 0 ms.
Initial state reduction rules removed 1 formulas.
[2023-03-22 18:11:08] [INFO ] Reduced 2 identical enabling conditions.
Ensure Unique test removed 8 transitions
Reduce redundant transitions removed 8 transitions.
Finished random walk after 36 steps, including 0 resets, run visited all 11 properties in 17 ms. (steps per millisecond=2 )
[2023-03-22 18:11:08] [INFO ] Flatten gal took : 20 ms
[2023-03-22 18:11:08] [INFO ] Flatten gal took : 7 ms
[2023-03-22 18:11:08] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13461047179632586210.gal : 6 ms
[2023-03-22 18:11:08] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12294043141423361586.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13461047179632586210.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12294043141423361586.prop' '--nowitness' '--gen-order' 'FOLLOW'
ITS runner failed with exception null

java.lang.InterruptedException
at java.base/java.lang.Object.wait(Native Method)
at java.base/java.lang.Thread.join(Thread.java:1304)
at java.base/java.lang.Thread.join(Thread.java:1372)
at fr.lip6.move.gal.application.runner.AbstractRunner.join(AbstractRunner.java:27)
at fr.lip6.move.gal.application.runner.its.ITSRunner.join(ITSRunner.java:177)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.verifyWithSDD(GlobalPropertySolver.java:675)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.lambda$2(ReachabilitySolver.java:63)
at java.base/java.lang.Thread.run(Thread.java:833)
Able to resolve query QuasiLiveness after proving 12 properties.
Ensure Unique test removed 8 transitions
Reduce redundant transitions removed 8 transitions.
[2023-03-22 18:11:08] [INFO ] Flatten gal took : 7 ms
[2023-03-22 18:11:08] [INFO ] Flatten gal took : 6 ms
its-reach command run as :

[2023-03-22 18:11:08] [INFO ] Time to serialize gal into /tmp/CTLFireability6035308226249281412.gal : 1 ms
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
[2023-03-22 18:11:08] [INFO ] Time to serialize properties into /tmp/CTLFireability622880915509874681.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability6035308226249281412.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability622880915509874681.ctl' '--gen-order' 'FOLLOW'

Loading property file /tmp/ReachabilityCardinality12294043141423361586.prop.
its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...282
No direction supplied, using forward translation only.
Parsed 12 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,1092,0.019427,3584,2,156,5,869,6,0,201,639,0


Converting to forward existential form...Done !
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 3 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,3,0.023466,3684,2,55,5,142,6,0,201,47,0
Total reachable state count : 3

original formula: AG(EF(((Clients_0>=1)||(Clients_1>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((Clients_0>=1)||(Clients_1>=1)))))] = FALSE
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,1,0.029299,4196,1,0,6,3467,14,0,949,1137,5
Formula is TRUE !

***************************************

original formula: AG(EF((((((IdleTechs_0>=1)&&(OpenRequests_0>=1))&&(Idles_0>=1))||(((IdleTechs_1>=1)&&(OpenRequests_1>=1))&&(Idles_0>=1)))||((((IdleTechs_...258
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U (((((IdleTechs_0>=1)&&(OpenRequests_0>=1))&&(Idles_0>=1))||(((IdleTechs_1>=1)&&(O...318
(forward)formula 1,1,0.033563,4460,1,0,7,3617,15,0,960,1238,8
Formula is TRUE !

***************************************

original formula: AG(EF(((((((IdleTechs_1>=1)&&(OpenRequests_2>=1))&&(Idles_0>=1))||(((IdleTechs_0>=1)&&(OpenRequests_0>=1))&&(Idles_0>=1)))||((((IdleTechs...494
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((((((IdleTechs_1>=1)&&(OpenRequests_2>=1))&&(Idles_0>=1))||(((IdleTechs_0>=1)&&(...554
(forward)formula 2,1,0.038161,4460,1,0,8,3709,16,0,970,1297,11
Formula is TRUE !

***************************************

original formula: AG(EF(((((MovetoZ_4>=1)||(MovetoZ_5>=1))||((MovetoZ_6>=1)||(MovetoZ_7>=1)))||(((MovetoZ_0>=1)||(MovetoZ_1>=1))||((MovetoZ_2>=1)||(MovetoZ...166
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((((MovetoZ_4>=1)||(MovetoZ_5>=1))||((MovetoZ_6>=1)||(MovetoZ_7>=1)))||(((MovetoZ...226
(forward)formula 3,1,0.040446,4460,1,0,9,3928,17,0,977,1414,14
Formula is TRUE !

***************************************

original formula: AG(EF((((Assigned_0>=1)||(Assigned_1>=1))||((Assigned_2>=1)||(Assigned_3>=1)))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U (((Assigned_0>=1)||(Assigned_1>=1))||((Assigned_2>=1)||(Assigned_3>=1))))))] = FA...158
(forward)formula 4,1,0.042123,4460,1,0,10,4191,18,0,980,1557,17
Formula is TRUE !

***************************************

original formula: AG(EF(((((NumClientsReq_0>=1)&&(DoSecuring_3>=1))||((NumClientsReq_0>=1)&&(DoSecuring_1>=1)))||(((NumClientsReq_0>=1)&&(DoSecuring_2>=1))...202
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((((NumClientsReq_0>=1)&&(DoSecuring_3>=1))||((NumClientsReq_0>=1)&&(DoSecuring_1...262
(forward)formula 5,1,0.044207,4724,1,0,11,4309,19,0,987,1625,20
Formula is TRUE !

***************************************

original formula: AG(EF(((ControlRoomDispatch_0>=1)||(ControlRoomDispatch_1>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((ControlRoomDispatch_0>=1)||(ControlRoomDispatch_1>=1)))))] = FALSE
(forward)formula 6,1,0.045362,4724,1,0,12,4378,20,0,988,1691,23
Formula is TRUE !
ITS tools runner thread asked to quit. Dying gracefully.

***************************************

original formula: AG(EF(((((((IdleTechs_1>=1)&&(OpenRequests_2>=1))&&(Idles_0>=1))||(((IdleTechs_0>=1)&&(OpenRequests_0>=1))&&(Idles_0>=1)))||((((IdleTechs...494
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((((((IdleTechs_1>=1)&&(OpenRequests_2>=1))&&(Idles_0>=1))||(((IdleTechs_0>=1)&&(...554
(forward)formula 7,1,0.058594,4724,1,0,12,4378,20,0,988,1691,23
Formula is TRUE !

***************************************

original formula: AG(EF(((Finished_0>=1)||(Finished_1>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((Finished_0>=1)||(Finished_1>=1)))))] = FALSE
(forward)formula 8,1,0.059547,4724,1,0,13,4413,21,0,989,1706,26
Formula is TRUE !

***************************************

original formula: AG(EF(((ClientsWaiting_0>=1)||(ClientsWaiting_1>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((ClientsWaiting_0>=1)||(ClientsWaiting_1>=1)))))] = FALSE
(forward)formula 9,1,0.062021,4724,1,0,14,4963,22,0,990,2098,29
Formula is TRUE !

***************************************

original formula: AG(EF(((((StartSecuring_3>=1)&&(ClientsTimeout_1>=1))||((StartSecuring_1>=1)&&(ClientsTimeout_0>=1)))||(((StartSecuring_0>=1)&&(ClientsTi...218
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((((StartSecuring_3>=1)&&(ClientsTimeout_1>=1))||((StartSecuring_1>=1)&&(ClientsT...278
(forward)formula 10,1,0.064665,4724,1,0,15,5236,23,0,997,2252,32
Formula is TRUE !

***************************************

original formula: AG(EF(((((StartSecuring_0>=1)&&(ClientsWaiting_0>=1))||((StartSecuring_1>=1)&&(ClientsWaiting_0>=1)))||(((StartSecuring_2>=1)&&(ClientsWa...218
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((((StartSecuring_0>=1)&&(ClientsWaiting_0>=1))||((StartSecuring_1>=1)&&(ClientsW...278
(forward)formula 11,1,0.066919,4988,1,0,16,5397,24,0,1004,2349,35
Formula is TRUE !

***************************************

Able to resolve query Liveness after proving 12 properties.
FORMULA Liveness TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Total runtime 3168 ms.

BK_STOP 1679508669783

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ Liveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution Liveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination Liveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="UtilityControlRoom-COL-Z2T4N02"
export BK_EXAMINATION="Liveness"
export BK_TOOL="itstools"
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 itstools"
echo " Input is UtilityControlRoom-COL-Z2T4N02, examination is Liveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r499-tall-167912722900619"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/UtilityControlRoom-COL-Z2T4N02.tgz
mv UtilityControlRoom-COL-Z2T4N02 execution
cd execution
if [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "UpperBounds" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] || [ "Liveness" = "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 [ "Liveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "Liveness" != "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 "Liveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property Liveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "Liveness.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 '' Liveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] ; then
echo "FORMULA_NAME Liveness"
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 ;