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.r007-oct2-167813595300311.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
........................
=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is AirplaneLD-PT-4000, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r007-oct2-167813595300311
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 89M
-rw-r--r-- 1 mcc users 2.8M Feb 26 15:13 CTLCardinality.txt
-rw-r--r-- 1 mcc users 8.9M Feb 26 15:13 CTLCardinality.xml
-rw-r--r-- 1 mcc users 1.6M Feb 26 13:29 CTLFireability.txt
-rw-r--r-- 1 mcc users 8.7M Feb 26 13:29 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 734K Feb 25 15:31 LTLCardinality.txt
-rw-r--r-- 1 mcc users 1.7M Feb 25 15:31 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.1M Feb 25 15:31 LTLFireability.txt
-rw-r--r-- 1 mcc users 4.1M Feb 25 15:31 LTLFireability.xml
-rw-r--r-- 1 mcc users 5.3M Feb 26 19:56 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 17M Feb 26 19:56 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 3.0M Feb 26 17:42 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 17M Feb 26 17:42 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 191K Feb 25 15:31 UpperBounds.txt
-rw-r--r-- 1 mcc users 358K Feb 25 15:31 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 18M Mar 5 18:22 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 AirplaneLD-PT-4000-ReachabilityFireability-00
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-01
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-02
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-03
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-04
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-05
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-06
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-07
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-08
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-09
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-10
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-11
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-12
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-13
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-14
FORMULA_NAME AirplaneLD-PT-4000-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1678346912780

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=lolaxred
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=AirplaneLD-PT-4000
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-09 07:28:35] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2023-03-09 07:28:35] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-09 07:28:36] [INFO ] Load time of PNML (sax parser for PT used): 1019 ms
[2023-03-09 07:28:36] [INFO ] Transformed 28019 places.
[2023-03-09 07:28:37] [INFO ] Transformed 32008 transitions.
[2023-03-09 07:28:37] [INFO ] Parsed PT model containing 28019 places and 32008 transitions and 122028 arcs in 1290 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 277 ms.
Working with output stream class java.io.PrintStream
Reduce places removed 12002 places and 0 transitions.
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 1262 resets, run finished after 27773 ms. (steps per millisecond=0 ) properties (out of 15) seen :5
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 1785 ms. (steps per millisecond=5 ) properties (out of 10) seen :0
Interrupted Best-First random walk after 9001 steps, including 0 resets, run timeout after 5580 ms. (steps per millisecond=1 ) properties seen 0
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 53 ms. (steps per millisecond=188 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 9 ms. (steps per millisecond=1111 ) properties (out of 10) seen :0
Running SMT prover for 10 properties.
// Phase 1: matrix 32008 rows 16017 cols
[2023-03-09 07:29:39] [INFO ] Computed 3 place invariants in 25263 ms
[2023-03-09 07:29:45] [INFO ] [Real]Absence check using 2 positive place invariants in 8 ms returned sat
[2023-03-09 07:29:45] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 4 ms returned sat
[2023-03-09 07:29:46] [INFO ] After 6578ms SMT Verify possible using all constraints in real domain returned unsat :2 sat :0 real:8
[2023-03-09 07:29:50] [INFO ] [Nat]Absence check using 2 positive place invariants in 27 ms returned sat
[2023-03-09 07:29:50] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 4 ms returned sat
[2023-03-09 07:30:11] [INFO ] After 18537ms SMT Verify possible using state equation in natural domain returned unsat :3 sat :6
[2023-03-09 07:30:11] [INFO ] After 18621ms SMT Verify possible using trap constraints in natural domain returned unsat :3 sat :6
Attempting to minimize the solution found.
Minimization took 20 ms.
[2023-03-09 07:30:11] [INFO ] After 25127ms SMT Verify possible using all constraints in natural domain returned unsat :3 sat :6
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-14 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-12 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-02 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 10 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1 ms.
Support contains 8035 out of 16017 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 16017/16017 places, 32008/32008 transitions.
Graph (complete) has 42023 edges and 16017 vertex of which 16014 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.78 ms
Discarding 3 places :
Also discarding 0 output transitions
Discarding 7976 places :
Symmetric choice reduction at 0 with 7976 rule applications. Total rules 7977 place count 8038 transition count 24032
Iterating global reduction 0 with 7976 rules applied. Total rules applied 15953 place count 8038 transition count 24032
Ensure Unique test removed 7976 transitions
Reduce isomorphic transitions removed 7976 transitions.
Iterating post reduction 0 with 7976 rules applied. Total rules applied 23929 place count 8038 transition count 16056
Applied a total of 23929 rules in 2407 ms. Remains 8038 /16017 variables (removed 7979) and now considering 16056/32008 (removed 15952) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2411 ms. Remains : 8038/16017 places, 16056/32008 transitions.
Incomplete random walk after 10000 steps, including 1230 resets, run finished after 9941 ms. (steps per millisecond=1 ) properties (out of 7) seen :1
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Interrupted Best-First random walk after 9032 steps, including 2 resets, run timeout after 5512 ms. (steps per millisecond=1 ) properties seen 0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=909 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=714 ) properties (out of 6) seen :0
Running SMT prover for 6 properties.
// Phase 1: matrix 16056 rows 8038 cols
[2023-03-09 07:30:33] [INFO ] Computed 1 place invariants in 4669 ms
[2023-03-09 07:30:49] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-09 07:30:50] [INFO ] After 3129ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:6
[2023-03-09 07:30:52] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 5 ms returned sat
[2023-03-09 07:31:15] [INFO ] After 21631ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2023-03-09 07:31:15] [INFO ] After 21674ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :5
Attempting to minimize the solution found.
Minimization took 5 ms.
[2023-03-09 07:31:15] [INFO ] After 25066ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :5
Fused 6 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1 ms.
Support contains 8034 out of 8038 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8038/8038 places, 16056/16056 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 8037 transition count 16055
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 8037 transition count 16055
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 8037 transition count 16054
Applied a total of 3 rules in 1346 ms. Remains 8037 /8038 variables (removed 1) and now considering 16054/16056 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1346 ms. Remains : 8037/8038 places, 16054/16056 transitions.
Incomplete random walk after 10000 steps, including 1244 resets, run finished after 9434 ms. (steps per millisecond=1 ) properties (out of 6) seen :0
Interrupted Best-First random walk after 3001 steps, including 0 resets, run timeout after 5942 ms. (steps per millisecond=0 ) properties seen 0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=1111 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=909 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 6) seen :0
Interrupted probabilistic random walk after 928288 steps, run timeout after 45001 ms. (steps per millisecond=20 ) properties seen :{0=1, 1=1, 4=1, 5=1}
Probabilistic random walk after 928288 steps, saw 275485 distinct states, run finished after 45015 ms. (steps per millisecond=20 ) properties seen :4
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-13 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-11 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-08 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-05 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
Running SMT prover for 2 properties.
// Phase 1: matrix 16054 rows 8037 cols
[2023-03-09 07:32:22] [INFO ] Computed 1 place invariants in 4593 ms
[2023-03-09 07:32:23] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 4 ms returned sat
[2023-03-09 07:32:23] [INFO ] After 1454ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-09 07:32:25] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 15 ms returned sat
[2023-03-09 07:32:45] [INFO ] After 19617ms SMT Verify possible using state equation in natural domain returned unsat :1 sat :1
[2023-03-09 07:32:45] [INFO ] After 20401ms SMT Verify possible using trap constraints in natural domain returned unsat :1 sat :1
Attempting to minimize the solution found.
Minimization took 448 ms.
[2023-03-09 07:32:46] [INFO ] After 22474ms SMT Verify possible using all constraints in natural domain returned unsat :1 sat :1
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-10 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 2 Parikh solutions to 1 different solutions.
Finished Parikh walk after 6 steps, including 0 resets, run visited all 1 properties in 3 ms. (steps per millisecond=2 )
FORMULA AirplaneLD-PT-4000-ReachabilityFireability-09 FALSE TECHNIQUES TOPOLOGICAL PARIKH_WALK
Parikh walk visited 1 properties in 27 ms.
All properties solved without resorting to model-checking.
Total runtime 250608 ms.
starting LoLA
BK_INPUT AirplaneLD-PT-4000
BK_EXAMINATION: ReachabilityFireability
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution
ReachabilityFireability
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16393220 kB
MemFree: 8085976 kB
After kill :
MemTotal: 16393220 kB
MemFree: 16007376 kB

BK_TIME_CONFINEMENT_REACHED

--------------------
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 ReachabilityFireability -timeout 360 -rebuildPNML
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/ReachabilityFireability.xml
lola: caught signal Terminated - aborting LoLA

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
AirplaneLD-PT-4000-ReachabilityFireability-00: AG unknown AGGR


Time elapsed: 3346 secs. Pages in use: 0

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="AirplaneLD-PT-4000"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="lolaxred"
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 2-5348"
echo " Executing tool lolaxred"
echo " Input is AirplaneLD-PT-4000, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r007-oct2-167813595300311"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AirplaneLD-PT-4000.tgz
mv AirplaneLD-PT-4000 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;