Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r453-smll-171701118700149.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.....................
=====================================================================
Generated by BenchKit 2-5568
Executing tool itstools
Input is UtilityControlRoom-PT-Z4T3N10, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r453-smll-171701118700149
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.5M
-rw-r--r-- 1 mcc users 38K Apr 13 05:20 CTLCardinality.txt
-rw-r--r-- 1 mcc users 177K Apr 13 05:20 CTLCardinality.xml
-rw-r--r-- 1 mcc users 78K Apr 13 05:15 CTLFireability.txt
-rw-r--r-- 1 mcc users 295K Apr 13 05:15 CTLFireability.xml
-rw-r--r-- 1 mcc users 30K Apr 23 08:04 LTLCardinality.txt
-rw-r--r-- 1 mcc users 101K Apr 23 08:04 LTLCardinality.xml
-rw-r--r-- 1 mcc users 43K Apr 23 08:04 LTLFireability.txt
-rw-r--r-- 1 mcc users 129K Apr 23 08:04 LTLFireability.xml
-rw-r--r-- 1 mcc users 110K Apr 13 05:33 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 507K Apr 13 05:33 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 121K Apr 13 05:29 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 475K Apr 13 05:29 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 4.2K Apr 23 08:04 UpperBounds.txt
-rw-r--r-- 1 mcc users 9.0K Apr 23 08:04 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 8 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 319K May 18 16:43 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 1717159540938

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=UtilityControlRoom-PT-Z4T3N10
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
Liveness PT
Running Version 202405141337
[2024-05-31 12:45:43] [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]
[2024-05-31 12:45:43] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-31 12:45:43] [INFO ] Load time of PNML (sax parser for PT used): 193 ms
[2024-05-31 12:45:43] [INFO ] Transformed 376 places.
[2024-05-31 12:45:43] [INFO ] Transformed 750 transitions.
[2024-05-31 12:45:43] [INFO ] Parsed PT model containing 376 places and 750 transitions and 2410 arcs in 369 ms.
Discarding 240 transitions out of 750. Remains 510
Ensure Unique test removed 160 transitions
Reduce redundant transitions removed 160 transitions.
Built sparse matrix representations for Structural reductions in 20 ms.22624KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 376/376 places, 590/590 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 (Redundant composition of simpler transitions.) removed 40 transitions
Redundant transition composition rules discarded 40 transitions
Iterating global reduction 0 with 40 rules applied. Total rules applied 40 place count 376 transition count 550
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 40 rules in 134 ms. Remains 376 /376 variables (removed 0) and now considering 550/590 (removed 40) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 164 ms. Remains : 376/376 places, 550/590 transitions.
Random walk for 1250000 steps, including 0 resets, run took 4409 ms (no deadlock found). (steps per millisecond=283 )
Random directed walk for 1250008 steps, including 0 resets, run took 4692 ms (no deadlock found). (steps per millisecond=266 )
// Phase 1: matrix 550 rows 376 cols
[2024-05-31 12:45:53] [INFO ] Computed 23 invariants in 36 ms
[2024-05-31 12:45:54] [INFO ] [Real]Absence check using 23 positive place invariants in 36 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 376/376 places, 750/750 transitions.
Ensure Unique test removed 160 transitions
Reduce isomorphic transitions removed 160 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 160 transitions
Trivial Post-agglo rules discarded 160 transitions
Performed 160 trivial Post agglomeration. Transition count delta: 160
Iterating post reduction 0 with 320 rules applied. Total rules applied 320 place count 376 transition count 430
Reduce places removed 160 places and 0 transitions.
Ensure Unique test removed 40 transitions
Reduce isomorphic transitions removed 40 transitions.
Iterating post reduction 1 with 200 rules applied. Total rules applied 520 place count 216 transition count 390
Performed 40 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 40 Pre rules applied. Total rules applied 520 place count 216 transition count 350
Deduced a syphon composed of 40 places in 2 ms
Reduce places removed 40 places and 0 transitions.
Iterating global reduction 2 with 80 rules applied. Total rules applied 600 place count 176 transition count 350
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: 20
Deduced a syphon composed of 20 places in 1 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 2 with 40 rules applied. Total rules applied 640 place count 156 transition count 330
Applied a total of 640 rules in 67 ms. Remains 156 /376 variables (removed 220) and now considering 330/750 (removed 420) transitions.
// Phase 1: matrix 330 rows 156 cols
[2024-05-31 12:45:54] [INFO ] Computed 23 invariants in 5 ms
[2024-05-31 12:45:54] [INFO ] Implicit Places using invariants in 446 ms returned [95]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 463 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 155/376 places, 330/750 transitions.
Performed 40 Post agglomeration using F-continuation condition.Transition count delta: 40
Deduced a syphon composed of 40 places in 1 ms
Reduce places removed 40 places and 0 transitions.
Iterating global reduction 0 with 80 rules applied. Total rules applied 80 place count 115 transition count 290
Applied a total of 80 rules in 31 ms. Remains 115 /155 variables (removed 40) and now considering 290/330 (removed 40) transitions.
// Phase 1: matrix 290 rows 115 cols
[2024-05-31 12:45:54] [INFO ] Computed 22 invariants in 3 ms
[2024-05-31 12:45:54] [INFO ] Implicit Places using invariants in 265 ms returned []
[2024-05-31 12:45:54] [INFO ] Invariant cache hit.
[2024-05-31 12:45:55] [INFO ] Implicit Places using invariants and state equation in 425 ms returned []
Implicit Place search using SMT with State Equation took 692 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 115/376 places, 290/750 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 1260 ms. Remains : 115/376 places, 290/750 transitions.
Discarding 40 transitions out of 290. Remains 250
Initial state reduction rules removed 10 formulas.
RANDOM walk for 8679 steps (0 resets) in 1262 ms. (6 steps per ms) remains 0/240 properties
[2024-05-31 12:45:56] [INFO ] Flatten gal took : 169 ms
[2024-05-31 12:45:56] [INFO ] Flatten gal took : 67 ms
[2024-05-31 12:45:56] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2908430547837932307.gal : 40 ms
[2024-05-31 12:45:56] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5575020712572155448.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality2908430547837932307.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5575020712572155448.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 250 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 376/376 places, 750/750 transitions.
Ensure Unique test removed 160 transitions
Reduce isomorphic transitions removed 160 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 160 transitions
Trivial Post-agglo rules discarded 160 transitions
Performed 160 trivial Post agglomeration. Transition count delta: 160
Iterating post reduction 0 with 320 rules applied. Total rules applied 320 place count 376 transition count 430
Reduce places removed 160 places and 0 transitions.
Ensure Unique test removed 40 transitions
Reduce isomorphic transitions removed 40 transitions.
Iterating post reduction 1 with 200 rules applied. Total rules applied 520 place count 216 transition count 390
Performed 40 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 40 Pre rules applied. Total rules applied 520 place count 216 transition count 350
Deduced a syphon composed of 40 places in 1 ms
Reduce places removed 40 places and 0 transitions.
Iterating global reduction 2 with 80 rules applied. Total rules applied 600 place count 176 transition count 350
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: 20
Deduced a syphon composed of 20 places in 1 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 2 with 40 rules applied. Total rules applied 640 place count 156 transition count 330
Applied a total of 640 rules in 31 ms. Remains 156 /376 variables (removed 220) and now considering 330/750 (removed 420) transitions.
// Phase 1: matrix 330 rows 156 cols
[2024-05-31 12:45:56] [INFO ] Computed 23 invariants in 4 ms
[2024-05-31 12:45:56] [INFO ] Implicit Places using invariants in 342 ms returned [95]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 344 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 155/376 places, 330/750 transitions.
Performed 40 Post agglomeration using F-continuation condition.Transition count delta: 40
Deduced a syphon composed of 40 places in 5 ms
Reduce places removed 40 places and 0 transitions.
Iterating global reduction 0 with 80 rules applied. Total rules applied 80 place count 115 transition count 290
Applied a total of 80 rules in 14 ms. Remains 115 /155 variables (removed 40) and now considering 290/330 (removed 40) transitions.
// Phase 1: matrix 290 rows 115 cols
[2024-05-31 12:45:56] [INFO ] Computed 22 invariants in 4 ms
[2024-05-31 12:45:56] [INFO ] Implicit Places using invariants in 200 ms returned []
[2024-05-31 12:45:56] [INFO ] Invariant cache hit.
[2024-05-31 12:45:57] [INFO ] Implicit Places using invariants and state equation in 428 ms returned []
Implicit Place search using SMT with State Equation took 634 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 115/376 places, 290/750 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 1027 ms. Remains : 115/376 places, 290/750 transitions.
Discarding 40 transitions out of 290. Remains 250
Net is quasi-live, checking if it is reversible to establish liveness.
[2024-05-31 12:45:57] [INFO ] Flatten gal took : 54 ms
[2024-05-31 12:45:57] [INFO ] Flatten gal took : 51 ms
[2024-05-31 12:45:57] [INFO ] Time to serialize gal into /tmp/CTLFireability15514050384169669427.gal : 12 ms
[2024-05-31 12:45:57] [INFO ] Time to serialize properties into /tmp/CTLFireability16988693409604100618.ctl : 5 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability15514050384169669427.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability16988693409604100618.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
No direction supplied, using forward translation only.
Parsed 1 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,3.15712e+12,0.405662,10092,2,2666,5,37440,6,0,753,19440,0


Converting to forward existential form...Done !
original formula: AG(EF(((((((((IdleTechs_0==1)&&(IdleTechs_1==1))&&((IdleTechs_2==1)&&(IdleTechs_3==1)))&&(((Clients_0==1)&&(Clients_1==1))&&((Clients_2==...2636
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((((((((IdleTechs_0==1)&&(IdleTechs_1==1))&&((IdleTechs_2==1)&&(IdleTechs_3==1)))...2696
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Detected timeout of ITS tools.
[2024-05-31 12:46:00] [INFO ] Flatten gal took : 48 ms
[2024-05-31 12:46:00] [INFO ] Applying decomposition
[2024-05-31 12:46:00] [INFO ] Flatten gal took : 41 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph17342871426474817689.txt' '-o' '/tmp/graph17342871426474817689.bin' '-w' '/tmp/graph17342871426474817689.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph17342871426474817689.bin' '-l' '-1' '-v' '-w' '/tmp/graph17342871426474817689.weights' '-q' '0' '-e' '0.001'
[2024-05-31 12:46:00] [INFO ] Decomposing Gal with order
[2024-05-31 12:46:00] [INFO ] Rewriting arrays to variables to allow decomposition.
[2024-05-31 12:46:01] [INFO ] Removed a total of 698 redundant transitions.
[2024-05-31 12:46:01] [INFO ] Flatten gal took : 158 ms
[2024-05-31 12:46:01] [INFO ] Fuse similar labels procedure discarded/fused a total of 68 labels/synchronizations in 21 ms.
[2024-05-31 12:46:01] [INFO ] Time to serialize gal into /tmp/CTLFireability14087568399008268403.gal : 8 ms
[2024-05-31 12:46:01] [INFO ] Time to serialize properties into /tmp/CTLFireability2325838260627557775.ctl : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability14087568399008268403.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability2325838260627557775.ctl'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...263
No direction supplied, using forward translation only.
Parsed 1 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,3.15712e+12,0.185343,10268,986,37,11980,134,440,31852,21,508,0


Converting to forward existential form...Done !
original formula: AG(EF(((((((((i0.u25.IdleTechs_0==1)&&(i2.u5.IdleTechs_1==1))&&((i1.u23.IdleTechs_2==1)&&(i7.u24.IdleTechs_3==1)))&&(((i7.u45.Clients_0==...3469
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((((((((i0.u25.IdleTechs_0==1)&&(i2.u5.IdleTechs_1==1))&&((i1.u23.IdleTechs_2==1)...3529
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,1,1.14894,37196,1,0,67498,759,2370,159184,108,3952,99423
Formula is TRUE !

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

Able to resolve query Liveness after proving 1 properties.
FORMULA Liveness TRUE TECHNIQUES RANDOM_WALK DECISION_DIAGRAMS TOPOLOGICAL QUASI_LIVE_REVERSIBLE INITIAL_STATE USE_NUPN
Total runtime 19165 ms.

BK_STOP 1717159562460

--------------------
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_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /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-PT-Z4T3N10"
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 2-5568"
echo " Executing tool itstools"
echo " Input is UtilityControlRoom-PT-Z4T3N10, 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 r453-smll-171701118700149"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/UtilityControlRoom-PT-Z4T3N10.tgz
mv UtilityControlRoom-PT-Z4T3N10 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 ;