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.r299-tall-167873953300647.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 smartxred
Input is PolyORBNT-COL-S05J30, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r299-tall-167873953300647
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 484K
-rw-r--r-- 1 mcc users 6.4K Feb 25 23:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 57K Feb 25 23:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Feb 25 23:20 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K Feb 25 23:20 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 4.1K Feb 25 16:36 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 16:36 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 16:36 LTLFireability.txt
-rw-r--r-- 1 mcc users 15K Feb 25 16:36 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 25 23:29 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 94K Feb 25 23:29 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.5K Feb 25 23:27 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 54K Feb 25 23:27 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 16:36 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:36 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_pt
-rw-r--r-- 1 mcc users 7 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 92K 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

here is the order used to build the result vector(from text file)
FORMULA_NAME PolyORBNT-COL-S05J30-ReachabilityFireability-00
FORMULA_NAME PolyORBNT-COL-S05J30-ReachabilityFireability-01
FORMULA_NAME PolyORBNT-COL-S05J30-ReachabilityFireability-02
FORMULA_NAME PolyORBNT-COL-S05J30-ReachabilityFireability-03
FORMULA_NAME PolyORBNT-COL-S05J30-ReachabilityFireability-04
FORMULA_NAME PolyORBNT-COL-S05J30-ReachabilityFireability-05
FORMULA_NAME PolyORBNT-COL-S05J30-ReachabilityFireability-06
FORMULA_NAME PolyORBNT-COL-S05J30-ReachabilityFireability-07
FORMULA_NAME PolyORBNT-COL-S05J30-ReachabilityFireability-08
FORMULA_NAME PolyORBNT-COL-S05J30-ReachabilityFireability-09
FORMULA_NAME PolyORBNT-COL-S05J30-ReachabilityFireability-10
FORMULA_NAME PolyORBNT-COL-S05J30-ReachabilityFireability-11
FORMULA_NAME PolyORBNT-COL-S05J30-ReachabilityFireability-12
FORMULA_NAME PolyORBNT-COL-S05J30-ReachabilityFireability-13
FORMULA_NAME PolyORBNT-COL-S05J30-ReachabilityFireability-14
FORMULA_NAME PolyORBNT-COL-S05J30-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1679526481549

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=smartxred
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=PolyORBNT-COL-S05J30
Applying reductions before tool smart
Invoking reducer
Running Version 202303021504
[2023-03-22 23:08:03] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2023-03-22 23:08:03] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-22 23:08:03] [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 23:08:03] [WARNING] Using fallBack plugin, rng conformance not checked
[2023-03-22 23:08:03] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 511 ms
[2023-03-22 23:08:03] [INFO ] Imported 48 HL places and 38 HL transitions for a total of 519 PT places and 1492.0 transition bindings in 19 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 12 ms.
Working with output stream class java.io.PrintStream
[2023-03-22 23:08:03] [INFO ] Built PT skeleton of HLPN with 48 places and 38 transitions 140 arcs in 5 ms.
[2023-03-22 23:08:03] [INFO ] Skeletonized 16 HLPN properties in 1 ms.
Remains 1 properties that can be checked using skeleton over-approximation.
Computed a total of 0 stabilizing places and 0 stable transitions
Incomplete random walk after 100000 steps, including 7984 resets, run finished after 786 ms. (steps per millisecond=127 ) properties (out of 3) seen :1
Running SMT prover for 2 properties.
// Phase 1: matrix 38 rows 48 cols
[2023-03-22 23:08:04] [INFO ] Computed 13 place invariants in 9 ms
[2023-03-22 23:08:04] [INFO ] [Real]Absence check using 6 positive place invariants in 5 ms returned sat
[2023-03-22 23:08:04] [INFO ] [Real]Absence check using 6 positive and 7 generalized place invariants in 4 ms returned sat
[2023-03-22 23:08:04] [INFO ] After 25ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2
[2023-03-22 23:08:04] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-22 23:08:04] [INFO ] After 4ms SMT Verify possible using 1 Read/Feed constraints in real domain returned unsat :0 sat :2
[2023-03-22 23:08:04] [INFO ] After 41ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-22 23:08:04] [INFO ] After 212ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-22 23:08:04] [INFO ] [Nat]Absence check using 6 positive place invariants in 3 ms returned sat
[2023-03-22 23:08:04] [INFO ] [Nat]Absence check using 6 positive and 7 generalized place invariants in 2 ms returned sat
[2023-03-22 23:08:05] [INFO ] After 71ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-22 23:08:05] [INFO ] After 6ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-22 23:08:05] [INFO ] Deduced a trap composed of 14 places in 37 ms of which 5 ms to minimize.
[2023-03-22 23:08:05] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 50 ms
[2023-03-22 23:08:05] [INFO ] After 66ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 2 ms.
[2023-03-22 23:08:05] [INFO ] After 178ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2023-03-22 23:08:05] [INFO ] Flatten gal took : 17 ms
[2023-03-22 23:08:05] [INFO ] Flatten gal took : 6 ms
Transition Run forces synchronizations/join behavior on parameter j of sort Jobs
Transition trans_376 forces synchronizations/join behavior on parameter s of sort Sources
Symmetric sort wr.t. initial and guards and successors and join/free detected :States
Arc [42:1*[$t, 0, $j]] contains constants of sort States
Transition WillPerformWork : constants on arcs in [[42:1*[$t, 0, $j]]] introduces in States(2) partition with 1 elements that refines current partition to 2 subsets.
[2023-03-22 23:08:05] [INFO ] Unfolded HLPN to a Petri net with 519 places and 1430 transitions 9824 arcs in 38 ms.
[2023-03-22 23:08:05] [INFO ] Unfolded 16 HLPN properties in 2 ms.
[2023-03-22 23:08:05] [INFO ] Reduced 555 identical enabling conditions.
[2023-03-22 23:08:05] [INFO ] Reduced 10 identical enabling conditions.
[2023-03-22 23:08:05] [INFO ] Reduced 555 identical enabling conditions.
[2023-03-22 23:08:05] [INFO ] Reduced 90 identical enabling conditions.
[2023-03-22 23:08:05] [INFO ] Reduced 90 identical enabling conditions.
[2023-03-22 23:08:05] [INFO ] Reduced 90 identical enabling conditions.
[2023-03-22 23:08:05] [INFO ] Reduced 555 identical enabling conditions.
[2023-03-22 23:08:05] [INFO ] Reduced 555 identical enabling conditions.
[2023-03-22 23:08:05] [INFO ] Reduced 90 identical enabling conditions.
[2023-03-22 23:08:05] [INFO ] Reduced 10 identical enabling conditions.
[2023-03-22 23:08:05] [INFO ] Reduced 90 identical enabling conditions.
Deduced a syphon composed of 30 places in 6 ms
Reduce places removed 30 places and 30 transitions.
Ensure Unique test removed 655 transitions
Reduce redundant transitions removed 655 transitions.
Incomplete random walk after 10000 steps, including 700 resets, run finished after 571 ms. (steps per millisecond=17 ) properties (out of 16) seen :9
FORMULA PolyORBNT-COL-S05J30-ReachabilityFireability-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA PolyORBNT-COL-S05J30-ReachabilityFireability-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA PolyORBNT-COL-S05J30-ReachabilityFireability-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA PolyORBNT-COL-S05J30-ReachabilityFireability-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA PolyORBNT-COL-S05J30-ReachabilityFireability-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA PolyORBNT-COL-S05J30-ReachabilityFireability-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA PolyORBNT-COL-S05J30-ReachabilityFireability-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA PolyORBNT-COL-S05J30-ReachabilityFireability-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA PolyORBNT-COL-S05J30-ReachabilityFireability-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 275 resets, run finished after 330 ms. (steps per millisecond=30 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 153 resets, run finished after 66 ms. (steps per millisecond=151 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 163 resets, run finished after 76 ms. (steps per millisecond=131 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 24 resets, run finished after 412 ms. (steps per millisecond=24 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 28 resets, run finished after 176 ms. (steps per millisecond=56 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10000 steps, including 80 resets, run finished after 389 ms. (steps per millisecond=25 ) properties (out of 7) seen :1
FORMULA PolyORBNT-COL-S05J30-ReachabilityFireability-06 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 118 resets, run finished after 301 ms. (steps per millisecond=33 ) properties (out of 6) seen :0
Running SMT prover for 6 properties.
[2023-03-22 23:08:07] [INFO ] Flow matrix only has 741 transitions (discarded 4 similar events)
// Phase 1: matrix 741 rows 489 cols
[2023-03-22 23:08:07] [INFO ] Computed 82 place invariants in 41 ms
[2023-03-22 23:08:09] [INFO ] [Real]Absence check using 75 positive place invariants in 20 ms returned sat
[2023-03-22 23:08:09] [INFO ] [Real]Absence check using 75 positive and 7 generalized place invariants in 11 ms returned sat
[2023-03-22 23:08:09] [INFO ] After 240ms SMT Verify possible using all constraints in real domain returned unsat :2 sat :0 real:4
[2023-03-22 23:08:09] [INFO ] [Nat]Absence check using 75 positive place invariants in 18 ms returned sat
[2023-03-22 23:08:09] [INFO ] [Nat]Absence check using 75 positive and 7 generalized place invariants in 13 ms returned sat
[2023-03-22 23:08:09] [INFO ] After 190ms SMT Verify possible using all constraints in natural domain returned unsat :6 sat :0
FORMULA PolyORBNT-COL-S05J30-ReachabilityFireability-13 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA PolyORBNT-COL-S05J30-ReachabilityFireability-12 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA PolyORBNT-COL-S05J30-ReachabilityFireability-09 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA PolyORBNT-COL-S05J30-ReachabilityFireability-08 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA PolyORBNT-COL-S05J30-ReachabilityFireability-04 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA PolyORBNT-COL-S05J30-ReachabilityFireability-00 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 6 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 0 ms.
All properties solved without resorting to model-checking.
Total runtime 6751 ms.
======================================================
========== this is Smart for the MCC'2018 ============
======================================================
Running PolyORBNT (COL), instance S05J30
Examination ReachabilityFireability
Parser /home/mcc/BenchKit/bin//../reducer/bin//../../smart/bin//parser/Fireability.jar
Model checker /home/mcc/BenchKit/bin//../reducer/bin//../../smart/bin//rem_exec//smart

GOT IT HERE. BS
Petri model created: 48 places, 38 transitions, 140 arcs.
Final Score: 291.362
Took : 1 seconds
Reachability Fireability file is: ReachabilityFireability.xml
READY TO PARSE. BS
FORMULA PolyORBNT-COL-S05J30-ReachabilityFireability-00 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS
FORMULA PolyORBNT-COL-S05J30-ReachabilityFireability-01 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS
FORMULA PolyORBNT-COL-S05J30-ReachabilityFireability-02 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS
FORMULA PolyORBNT-COL-S05J30-ReachabilityFireability-03 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS
FORMULA PolyORBNT-COL-S05J30-ReachabilityFireability-04 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS
FORMULA PolyORBNT-COL-S05J30-ReachabilityFireability-05 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS
FORMULA PolyORBNT-COL-S05J30-ReachabilityFireability-06 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS
FORMULA PolyORBNT-COL-S05J30-ReachabilityFireability-07 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS
FORMULA PolyORBNT-COL-S05J30-ReachabilityFireability-08 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS
FORMULA PolyORBNT-COL-S05J30-ReachabilityFireability-09 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS
FORMULA PolyORBNT-COL-S05J30-ReachabilityFireability-10 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS
FORMULA PolyORBNT-COL-S05J30-ReachabilityFireability-11 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS
FORMULA PolyORBNT-COL-S05J30-ReachabilityFireability-12 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS
FORMULA PolyORBNT-COL-S05J30-ReachabilityFireability-13 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS
FORMULA PolyORBNT-COL-S05J30-ReachabilityFireability-14 TRUE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS
FORMULA PolyORBNT-COL-S05J30-ReachabilityFireability-15 FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS

BK_STOP 1679526492279

--------------------
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
WARNING:
No initial marking given, assuming zero
within model automodel built in file model.sm near line 256

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="PolyORBNT-COL-S05J30"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="smartxred"
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 smartxred"
echo " Input is PolyORBNT-COL-S05J30, 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 r299-tall-167873953300647"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PolyORBNT-COL-S05J30.tgz
mv PolyORBNT-COL-S05J30 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 ;