fond
Model Checking Contest 2022
12th edition, Bergen, Norway, June 21, 2022
Execution of r071-tall-165254780500230
Last Updated
Jun 22, 2022

About the Execution of 2021-gold for Dekker-PT-020

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
2316.640 24463.00 34787.00 689.20 FTFTTFFFFTFFTFTT normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2022-input.r071-tall-165254780500230.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2022-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-4028
Executing tool gold2021
Input is Dekker-PT-020, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r071-tall-165254780500230
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 780K
-rw-r--r-- 1 mcc users 7.7K Apr 30 05:18 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K Apr 30 05:18 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K Apr 30 05:16 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Apr 30 05:16 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 10 09:33 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K May 10 09:33 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.0K May 9 07:36 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 9 07:36 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K May 9 07:36 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 9 07:36 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Apr 30 05:20 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 155K Apr 30 05:20 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 14K Apr 30 05:19 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 106K Apr 30 05:19 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 9 07:36 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 9 07:36 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 10 09:33 equiv_col
-rw-r--r-- 1 mcc users 4 May 10 09:33 instance
-rw-r--r-- 1 mcc users 6 May 10 09:33 iscolored
-rw-r--r-- 1 mcc users 247K May 10 09:33 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 Dekker-PT-020-ReachabilityCardinality-00
FORMULA_NAME Dekker-PT-020-ReachabilityCardinality-01
FORMULA_NAME Dekker-PT-020-ReachabilityCardinality-02
FORMULA_NAME Dekker-PT-020-ReachabilityCardinality-03
FORMULA_NAME Dekker-PT-020-ReachabilityCardinality-04
FORMULA_NAME Dekker-PT-020-ReachabilityCardinality-05
FORMULA_NAME Dekker-PT-020-ReachabilityCardinality-06
FORMULA_NAME Dekker-PT-020-ReachabilityCardinality-07
FORMULA_NAME Dekker-PT-020-ReachabilityCardinality-08
FORMULA_NAME Dekker-PT-020-ReachabilityCardinality-09
FORMULA_NAME Dekker-PT-020-ReachabilityCardinality-10
FORMULA_NAME Dekker-PT-020-ReachabilityCardinality-11
FORMULA_NAME Dekker-PT-020-ReachabilityCardinality-12
FORMULA_NAME Dekker-PT-020-ReachabilityCardinality-13
FORMULA_NAME Dekker-PT-020-ReachabilityCardinality-14
FORMULA_NAME Dekker-PT-020-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1655069742032

Running Version 0
[2022-06-12 21:35:43] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -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]
[2022-06-12 21:35:43] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-06-12 21:35:43] [INFO ] Load time of PNML (sax parser for PT used): 80 ms
[2022-06-12 21:35:43] [INFO ] Transformed 100 places.
[2022-06-12 21:35:43] [INFO ] Transformed 440 transitions.
[2022-06-12 21:35:43] [INFO ] Found NUPN structural information;
[2022-06-12 21:35:43] [INFO ] Parsed PT model containing 100 places and 440 transitions in 127 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 16 ms.
Working with output stream class java.io.PrintStream
[2022-06-12 21:35:43] [INFO ] Initial state test concluded for 1 properties.
FORMULA Dekker-PT-020-ReachabilityCardinality-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Dekker-PT-020-ReachabilityCardinality-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Dekker-PT-020-ReachabilityCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Dekker-PT-020-ReachabilityCardinality-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Dekker-PT-020-ReachabilityCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Dekker-PT-020-ReachabilityCardinality-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Dekker-PT-020-ReachabilityCardinality-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Dekker-PT-020-ReachabilityCardinality-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Dekker-PT-020-ReachabilityCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Dekker-PT-020-ReachabilityCardinality-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 2 resets, run finished after 97 ms. (steps per millisecond=103 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 63 ms. (steps per millisecond=158 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 49 ms. (steps per millisecond=204 ) properties (out of 6) seen :0
Probabilistic random walk after 10000001 steps, saw 1044208 distinct states, run finished after 19400 ms. (steps per millisecond=515 ) properties seen :{}
Running SMT prover for 6 properties.
[2022-06-12 21:36:03] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
// Phase 1: matrix 80 rows 100 cols
[2022-06-12 21:36:03] [INFO ] Computed 60 place invariants in 20 ms
[2022-06-12 21:36:03] [INFO ] [Real]Absence check using 40 positive place invariants in 15 ms returned sat
[2022-06-12 21:36:03] [INFO ] [Real]Absence check using 40 positive and 20 generalized place invariants in 5 ms returned sat
[2022-06-12 21:36:03] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-06-12 21:36:03] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2022-06-12 21:36:03] [INFO ] Solution in real domain found non-integer solution.
[2022-06-12 21:36:04] [INFO ] [Real]Absence check using 40 positive place invariants in 8 ms returned sat
[2022-06-12 21:36:04] [INFO ] [Real]Absence check using 40 positive and 20 generalized place invariants in 3 ms returned sat
[2022-06-12 21:36:04] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-06-12 21:36:04] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2022-06-12 21:36:04] [INFO ] Solution in real domain found non-integer solution.
[2022-06-12 21:36:04] [INFO ] [Nat]Absence check using 40 positive place invariants in 9 ms returned sat
[2022-06-12 21:36:04] [INFO ] [Nat]Absence check using 40 positive and 20 generalized place invariants in 3 ms returned sat
[2022-06-12 21:36:04] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-06-12 21:36:04] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2022-06-12 21:36:04] [INFO ] State equation strengthened by 20 read => feed constraints.
[2022-06-12 21:36:04] [INFO ] [Nat]Added 20 Read/Feed constraints in 7 ms returned sat
[2022-06-12 21:36:04] [INFO ] Deduced a trap composed of 4 places in 66 ms of which 10 ms to minimize.
[2022-06-12 21:36:04] [INFO ] Deduced a trap composed of 6 places in 28 ms of which 1 ms to minimize.
[2022-06-12 21:36:04] [INFO ] Deduced a trap composed of 4 places in 20 ms of which 1 ms to minimize.
[2022-06-12 21:36:04] [INFO ] Deduced a trap composed of 4 places in 19 ms of which 1 ms to minimize.
[2022-06-12 21:36:04] [INFO ] Deduced a trap composed of 4 places in 17 ms of which 1 ms to minimize.
[2022-06-12 21:36:04] [INFO ] Deduced a trap composed of 4 places in 19 ms of which 2 ms to minimize.
[2022-06-12 21:36:04] [INFO ] Deduced a trap composed of 4 places in 13 ms of which 1 ms to minimize.
[2022-06-12 21:36:04] [INFO ] Deduced a trap composed of 4 places in 14 ms of which 0 ms to minimize.
[2022-06-12 21:36:04] [INFO ] Deduced a trap composed of 4 places in 11 ms of which 1 ms to minimize.
[2022-06-12 21:36:04] [INFO ] Deduced a trap composed of 4 places in 11 ms of which 1 ms to minimize.
[2022-06-12 21:36:04] [INFO ] Trap strengthening (SAT) tested/added 11/10 trap constraints in 301 ms
[2022-06-12 21:36:04] [INFO ] Computed and/alt/rep : 40/60/40 causal constraints (skipped 20 transitions) in 12 ms.
[2022-06-12 21:36:04] [INFO ] Added : 1 causal constraints over 1 iterations in 34 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 1 ms.
[2022-06-12 21:36:04] [INFO ] [Real]Absence check using 40 positive place invariants in 6 ms returned sat
[2022-06-12 21:36:04] [INFO ] [Real]Absence check using 40 positive and 20 generalized place invariants in 2 ms returned sat
[2022-06-12 21:36:04] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-06-12 21:36:04] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2022-06-12 21:36:04] [INFO ] Solution in real domain found non-integer solution.
[2022-06-12 21:36:04] [INFO ] [Real]Absence check using 40 positive place invariants in 12 ms returned sat
[2022-06-12 21:36:04] [INFO ] [Real]Absence check using 40 positive and 20 generalized place invariants in 3 ms returned sat
[2022-06-12 21:36:04] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-06-12 21:36:04] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2022-06-12 21:36:04] [INFO ] Solution in real domain found non-integer solution.
[2022-06-12 21:36:04] [INFO ] [Real]Absence check using 40 positive place invariants in 6 ms returned sat
[2022-06-12 21:36:04] [INFO ] [Real]Absence check using 40 positive and 20 generalized place invariants in 2 ms returned sat
[2022-06-12 21:36:04] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-06-12 21:36:04] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2022-06-12 21:36:04] [INFO ] Solution in real domain found non-integer solution.
[2022-06-12 21:36:04] [INFO ] [Real]Absence check using 40 positive place invariants in 15 ms returned sat
[2022-06-12 21:36:04] [INFO ] [Real]Absence check using 40 positive and 20 generalized place invariants in 3 ms returned sat
[2022-06-12 21:36:04] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-06-12 21:36:04] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2022-06-12 21:36:04] [INFO ] Solution in real domain found non-integer solution.
FORMULA Dekker-PT-020-ReachabilityCardinality-14 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA Dekker-PT-020-ReachabilityCardinality-12 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA Dekker-PT-020-ReachabilityCardinality-09 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA Dekker-PT-020-ReachabilityCardinality-04 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA Dekker-PT-020-ReachabilityCardinality-01 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 6 Parikh solutions to 1 different solutions.
Incomplete Parikh walk after 5300 steps, including 98 resets, run finished after 43 ms. (steps per millisecond=123 ) properties (out of 1) seen :0 could not realise parikh vector
Support contains 12 out of 100 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 100/100 places, 440/440 transitions.
Applied a total of 0 rules in 47 ms. Remains 100 /100 variables (removed 0) and now considering 440/440 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 100/100 places, 440/440 transitions.
[2022-06-12 21:36:05] [INFO ] Flatten gal took : 86 ms
[2022-06-12 21:36:05] [INFO ] Flatten gal took : 41 ms
[2022-06-12 21:36:05] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7822441249972346896.gal : 26 ms
[2022-06-12 21:36:05] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10257668627798326237.prop : 1 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-reach-linux64, --gc-threshold, 2000000, --quiet, -i, /tmp/ReachabilityCardinality7822441249972346896.gal, -t, CGAL, -reachable-file, /tmp/ReachabilityCardinality10257668627798326237.prop, --nowitness, --gen-order, FOLLOW], workingDir=/home/mcc/execution]

its-reach command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-reach-linux64 --gc-threshold 2000000 --quiet -i /tmp/ReachabilityCardinality7822441249972346896.gal -t CGAL -reachable-file /tmp/ReachabilityCardinality10257668627798326237.prop --nowitness --gen-order FOLLOW
Loading property file /tmp/ReachabilityCardinality10257668627798326237.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :4 after 16
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :16 after 128
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :128 after 8192
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :8192 after 524380
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :524380 after 589824
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,1.15343e+07,0.126141,9120,2,329,11,10423,7,0,863,3944,0
Total reachable state count : 11534336

Verifying 1 reachability properties.
Reachability property Dekker-PT-020-ReachabilityCardinality-03 is true.
FORMULA Dekker-PT-020-ReachabilityCardinality-03 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Dekker-PT-020-ReachabilityCardinality-03,32768,0.128718,9492,2,146,11,10423,7,0,883,3944,0
All properties solved without resorting to model-checking.

BK_STOP 1655069766495

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

+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -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 ReachabilityCardinality -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="Dekker-PT-020"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="gold2021"
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 gold2021"
echo " Input is Dekker-PT-020, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r071-tall-165254780500230"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Dekker-PT-020.tgz
mv Dekker-PT-020 execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;