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.r376-smll-167891827200161.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 marciexred
Input is SafeBus-PT-03, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r376-smll-167891827200161
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 832K
-rw-r--r-- 1 mcc users 9.8K Feb 26 01:29 CTLCardinality.txt
-rw-r--r-- 1 mcc users 93K Feb 26 01:29 CTLCardinality.xml
-rw-r--r-- 1 mcc users 13K Feb 26 01:28 CTLFireability.txt
-rw-r--r-- 1 mcc users 79K Feb 26 01:28 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.9K Feb 25 16:49 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Feb 25 16:49 LTLCardinality.xml
-rw-r--r-- 1 mcc users 4.4K Feb 25 16:49 LTLFireability.txt
-rw-r--r-- 1 mcc users 22K Feb 25 16:49 LTLFireability.xml
-rw-r--r-- 1 mcc users 24K Feb 26 01:32 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 222K Feb 26 01:32 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 24K Feb 26 01:31 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 158K Feb 26 01:31 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 16:49 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:49 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 95K 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 ReachabilityDeadlock

=== Now, execution of the tool begins

BK_START 1679083788682

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=marciexred
BK_EXAMINATION=ReachabilityDeadlock
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=SafeBus-PT-03
Applying reductions before tool marcie
Invoking reducer
Running Version 202303021504
[2023-03-17 20:09:51] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -timeout, 180, -rebuildPNML]
[2023-03-17 20:09:51] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-17 20:09:51] [INFO ] Load time of PNML (sax parser for PT used): 72 ms
[2023-03-17 20:09:51] [INFO ] Transformed 57 places.
[2023-03-17 20:09:51] [INFO ] Transformed 91 transitions.
[2023-03-17 20:09:51] [INFO ] Found NUPN structural information;
[2023-03-17 20:09:51] [INFO ] Parsed PT model containing 57 places and 91 transitions and 541 arcs in 171 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 3 ms.
Working with output stream class java.io.PrintStream
Reduce places removed 3 places and 0 transitions.
Built sparse matrix representations for Structural reductions in 4 ms.24579KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 54/54 places, 91/91 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
Applied a total of 0 rules in 29 ms. Remains 54 /54 variables (removed 0) and now considering 91/91 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 30 ms. Remains : 54/54 places, 91/91 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 54/54 places, 91/91 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
Applied a total of 0 rules in 10 ms. Remains 54 /54 variables (removed 0) and now considering 91/91 (removed 0) transitions.
[2023-03-17 20:09:51] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
// Phase 1: matrix 68 rows 54 cols
[2023-03-17 20:09:51] [INFO ] Computed 17 place invariants in 11 ms
[2023-03-17 20:09:51] [INFO ] Implicit Places using invariants in 367 ms returned [42, 43, 44]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 407 ms to find 3 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 1 : 51/54 places, 91/91 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 3 Pre rules applied. Total rules applied 0 place count 51 transition count 88
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 48 transition count 88
Computed a total of 0 stabilizing places and 0 stable transitions
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 45 transition count 91
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 12 rules in 17 ms. Remains 45 /51 variables (removed 6) and now considering 91/91 (removed 0) transitions.
[2023-03-17 20:09:51] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
// Phase 1: matrix 68 rows 45 cols
[2023-03-17 20:09:51] [INFO ] Computed 14 place invariants in 5 ms
[2023-03-17 20:09:52] [INFO ] Implicit Places using invariants in 166 ms returned []
[2023-03-17 20:09:52] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
[2023-03-17 20:09:52] [INFO ] Invariant cache hit.
[2023-03-17 20:09:52] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 20:09:52] [INFO ] Implicit Places using invariants and state equation in 174 ms returned []
Implicit Place search using SMT with State Equation took 342 ms to find 0 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 2 : 45/54 places, 91/91 transitions.
Finished structural reductions in DEADLOCK mode , in 2 iterations and 776 ms. Remains : 45/54 places, 91/91 transitions.
Random walk for 1250000 steps, including 0 resets, run took 1969 ms (no deadlock found). (steps per millisecond=634 )
Random directed walk for 1250001 steps, including 0 resets, run took 1383 ms (no deadlock found). (steps per millisecond=903 )
[2023-03-17 20:09:55] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
[2023-03-17 20:09:55] [INFO ] Invariant cache hit.
[2023-03-17 20:09:55] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-17 20:09:55] [INFO ] [Real]Absence check using 5 positive and 9 generalized place invariants in 5 ms returned sat
[2023-03-17 20:09:55] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 20:09:55] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2023-03-17 20:09:55] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 20:09:55] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-17 20:09:55] [INFO ] [Nat]Absence check using 5 positive and 9 generalized place invariants in 6 ms returned sat
[2023-03-17 20:09:55] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 20:09:55] [INFO ] [Nat]Absence check using state equation in 44 ms returned sat
[2023-03-17 20:09:55] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 20:09:55] [INFO ] [Nat]Added 13 Read/Feed constraints in 6 ms returned sat
[2023-03-17 20:09:55] [INFO ] Deduced a trap composed of 10 places in 57 ms of which 5 ms to minimize.
[2023-03-17 20:09:55] [INFO ] Deduced a trap composed of 10 places in 47 ms of which 1 ms to minimize.
[2023-03-17 20:09:56] [INFO ] Deduced a trap composed of 11 places in 40 ms of which 1 ms to minimize.
[2023-03-17 20:09:56] [INFO ] Deduced a trap composed of 11 places in 36 ms of which 0 ms to minimize.
[2023-03-17 20:09:56] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 242 ms
[2023-03-17 20:09:56] [INFO ] Computed and/alt/rep : 37/219/37 causal constraints (skipped 28 transitions) in 16 ms.
[2023-03-17 20:09:56] [INFO ] Added : 16 causal constraints over 4 iterations in 95 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 3 ms.
Parikh directed walk for 7700 steps, including 858 resets, run took 47 ms. (steps per millisecond=163 )
Random directed walk for 500000 steps, including 0 resets, run took 595 ms (no deadlock found). (steps per millisecond=840 )
Random walk for 500000 steps, including 0 resets, run took 698 ms (no deadlock found). (steps per millisecond=716 )
Random directed walk for 500000 steps, including 0 resets, run took 537 ms (no deadlock found). (steps per millisecond=931 )
Random walk for 500000 steps, including 0 resets, run took 697 ms (no deadlock found). (steps per millisecond=717 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 45/45 places, 91/91 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
Applied a total of 0 rules in 10 ms. Remains 45 /45 variables (removed 0) and now considering 91/91 (removed 0) transitions.
[2023-03-17 20:09:58] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
[2023-03-17 20:09:58] [INFO ] Invariant cache hit.
[2023-03-17 20:09:58] [INFO ] Implicit Places using invariants in 134 ms returned []
[2023-03-17 20:09:58] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
[2023-03-17 20:09:58] [INFO ] Invariant cache hit.
[2023-03-17 20:09:58] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 20:09:59] [INFO ] Implicit Places using invariants and state equation in 158 ms returned []
Implicit Place search using SMT with State Equation took 294 ms to find 0 implicit places.
[2023-03-17 20:09:59] [INFO ] Redundant transitions in 2 ms returned []
[2023-03-17 20:09:59] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
[2023-03-17 20:09:59] [INFO ] Invariant cache hit.
[2023-03-17 20:09:59] [INFO ] Dead Transitions using invariants and state equation in 97 ms found 9 transitions.
Found 9 dead transitions using SMT.
Drop transitions removed 9 transitions
Dead transitions reduction (with SMT) removed 9 transitions
Starting structural reductions in DEADLOCK mode, iteration 1 : 45/45 places, 82/91 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
Applied a total of 0 rules in 8 ms. Remains 45 /45 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2023-03-17 20:09:59] [INFO ] Redundant transitions in 2 ms returned []
Finished structural reductions in DEADLOCK mode , in 2 iterations and 427 ms. Remains : 45/45 places, 82/91 transitions.
Random walk for 1250000 steps, including 0 resets, run took 1638 ms (no deadlock found). (steps per millisecond=763 )
Random directed walk for 1250000 steps, including 0 resets, run took 1256 ms (no deadlock found). (steps per millisecond=995 )
[2023-03-17 20:10:02] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 45 cols
[2023-03-17 20:10:02] [INFO ] Computed 14 place invariants in 11 ms
[2023-03-17 20:10:02] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2023-03-17 20:10:02] [INFO ] [Real]Absence check using 5 positive and 9 generalized place invariants in 16 ms returned sat
[2023-03-17 20:10:02] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-17 20:10:02] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2023-03-17 20:10:02] [INFO ] Solution in real domain found non-integer solution.
[2023-03-17 20:10:02] [INFO ] [Nat]Absence check using 5 positive place invariants in 1 ms returned sat
[2023-03-17 20:10:02] [INFO ] [Nat]Absence check using 5 positive and 9 generalized place invariants in 5 ms returned sat
[2023-03-17 20:10:02] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-17 20:10:02] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2023-03-17 20:10:02] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-17 20:10:02] [INFO ] [Nat]Added 13 Read/Feed constraints in 5 ms returned sat
[2023-03-17 20:10:02] [INFO ] Computed and/alt/rep : 37/219/37 causal constraints (skipped 28 transitions) in 8 ms.
[2023-03-17 20:10:02] [INFO ] Added : 15 causal constraints over 4 iterations in 63 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 2 ms.
Parikh directed walk for 6400 steps, including 726 resets, run took 20 ms. (steps per millisecond=320 )
Random directed walk for 500000 steps, including 0 resets, run took 506 ms (no deadlock found). (steps per millisecond=988 )
Random walk for 500000 steps, including 0 resets, run took 656 ms (no deadlock found). (steps per millisecond=762 )
Random directed walk for 500000 steps, including 0 resets, run took 502 ms (no deadlock found). (steps per millisecond=996 )
Random walk for 500000 steps, including 0 resets, run took 656 ms (no deadlock found). (steps per millisecond=762 )
[2023-03-17 20:10:05] [INFO ] Flatten gal took : 84 ms
[2023-03-17 20:10:05] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityDeadlock.sr.xml took 2 ms.
[2023-03-17 20:10:05] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 54 places, 91 transitions and 529 arcs took 3 ms.
Total runtime 13891 ms.
There are residual formulas that ITS could not solve within timeout
timeout --kill-after=10s --signal=SIGINT 1m for testing only

Marcie built on Linux at 2019-11-18.
A model checker for Generalized Stochastic Petri nets

authors: Alex Tovchigrechko (IDD package and CTL model checking)

Martin Schwarick (Symbolic numerical analysis and CSL model checking)

Christian Rohr (Simulative and approximative numerical model checking)

marcie@informatik.tu-cottbus.de

called as: /home/mcc/BenchKit/bin//../reducer/bin//../../marcie/bin/marcie --net-file=model.pnml --mcc-file=/home/mcc/BenchKit/bin//../reducer/bin//../../marcie/bin//ReachabilityDeadlock.xml --memory=6 --mcc-mode

parse successfull
net created successfully

Net: SafeBus_PT_03
(NrP: 54 NrTr: 91 NrArc: 529)

parse formulas
formulas created successfully
place and transition orderings generation:0m 0.001sec

net check time: 0m 0.000sec

init dd package: 0m 3.625sec


RS generation: 0m 0.283sec


-> reachability set: #nodes 3189 (3.2e+03) #states 4,650 (3)



starting MCC model checker
--------------------------

checking: EF [DEADLOCK]
normalized: E [true U DEADLOCK]

-> the formula is FALSE

FORMULA ReachabilityDeadlock FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 0.064sec

totally nodes used: 52998 (5.3e+04)
number of garbage collections: 0
fire ops cache: hits/miss/sum: 212249 865876 1078125
used/not used/entry size/cache size: 902569 66206295 16 1024MB
basic ops cache: hits/miss/sum: 1014 6211 7225
used/not used/entry size/cache size: 11212 16766004 12 192MB
unary ops cache: hits/miss/sum: 0 0 0
used/not used/entry size/cache size: 0 16777216 8 128MB
abstract ops cache: hits/miss/sum: 0 0 0
used/not used/entry size/cache size: 0 16777216 12 192MB
state nr cache: hits/miss/sum: 586 3189 3775
used/not used/entry size/cache size: 3189 8385419 32 256MB
max state cache: hits/miss/sum: 0 0 0
used/not used/entry size/cache size: 0 8388608 32 256MB
uniqueHash elements/entry size/size: 67108864 4 256MB
0 67057706
1 49379
2 1718
3 61
4 0
5 0
6 0
7 0
8 0
9 0
>= 10 0

Total processing time: 0m 5.729sec


BK_STOP 1679083811903

--------------------
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 ReachabilityDeadlock -timeout 180 -rebuildPNML
check for maximal unmarked siphon
ok
check for constant places
ok
check if there are places and transitions
ok
check if there are transitions without pre-places
ok
check if at least one transition is enabled in m0
ok
check if there are transitions that can never fire
ok


initing FirstDep: 0m 0.002sec


iterations count:15217 (167), effective:648 (7)

initing FirstDep: 0m 0.000sec

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="SafeBus-PT-03"
export BK_EXAMINATION="ReachabilityDeadlock"
export BK_TOOL="marciexred"
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 marciexred"
echo " Input is SafeBus-PT-03, examination is ReachabilityDeadlock"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r376-smll-167891827200161"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SafeBus-PT-03.tgz
mv SafeBus-PT-03 execution
cd execution
if [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "UpperBounds" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] || [ "ReachabilityDeadlock" = "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 [ "ReachabilityDeadlock" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityDeadlock" != "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 "ReachabilityDeadlock.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityDeadlock.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityDeadlock.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 '' ReachabilityDeadlock.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityDeadlock"
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 ;