Execution Chart

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

Trace from the execution

Formatting '/local/x2003239/mcc2019-input.r085-csrt-155246554300317.qcow2', fmt=qcow2 size=4294967296 backing_file=/local/x2003239/mcc2019-input.qcow2 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
....................
=====================================================================
Generated by BenchKit 2-3954
Executing tool itstools
Input is GPPP-PT-C0001N0000000010, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r085-csrt-155246554300317
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 180K
-rw-r--r-- 1 mcc users 3.1K Feb 11 01:29 CTLCardinality.txt
-rw-r--r-- 1 mcc users 16K Feb 11 01:29 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Feb 7 00:10 CTLFireability.txt
-rw-r--r-- 1 mcc users 15K Feb 7 00:10 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 10 17:31 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 111 Feb 24 15:05 GlobalProperties.txt
-rw-r--r-- 1 mcc users 349 Feb 24 15:05 GlobalProperties.xml
-rw-r--r-- 1 mcc users 2.4K Feb 4 23:51 LTLCardinality.txt
-rw-r--r-- 1 mcc users 9.6K Feb 4 23:51 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Feb 4 22:35 LTLFireability.txt
-rw-r--r-- 1 mcc users 8.3K Feb 4 22:35 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Feb 3 08:44 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 18K Feb 3 08:44 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 3.7K Jan 31 01:38 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 19K Jan 31 01:38 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 4 22:20 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 4 22:20 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Jan 29 09:34 equiv_col
-rw-r--r-- 1 mcc users 17 Jan 29 09:34 instance
-rw-r--r-- 1 mcc users 6 Jan 29 09:34 iscolored
-rw-r--r-- 1 mcc users 1 Mar 10 17:31 large_marking
-rw-r--r-- 1 mcc users 21K Mar 10 17:31 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of positive values
NUM_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME GPPP-PT-C0001N0000000010-UpperBounds-00
FORMULA_NAME GPPP-PT-C0001N0000000010-UpperBounds-01
FORMULA_NAME GPPP-PT-C0001N0000000010-UpperBounds-02
FORMULA_NAME GPPP-PT-C0001N0000000010-UpperBounds-03
FORMULA_NAME GPPP-PT-C0001N0000000010-UpperBounds-04
FORMULA_NAME GPPP-PT-C0001N0000000010-UpperBounds-05
FORMULA_NAME GPPP-PT-C0001N0000000010-UpperBounds-06
FORMULA_NAME GPPP-PT-C0001N0000000010-UpperBounds-07
FORMULA_NAME GPPP-PT-C0001N0000000010-UpperBounds-08
FORMULA_NAME GPPP-PT-C0001N0000000010-UpperBounds-09
FORMULA_NAME GPPP-PT-C0001N0000000010-UpperBounds-10
FORMULA_NAME GPPP-PT-C0001N0000000010-UpperBounds-11
FORMULA_NAME GPPP-PT-C0001N0000000010-UpperBounds-12
FORMULA_NAME GPPP-PT-C0001N0000000010-UpperBounds-13
FORMULA_NAME GPPP-PT-C0001N0000000010-UpperBounds-14
FORMULA_NAME GPPP-PT-C0001N0000000010-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1552779060953

Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201903111103/bin/its-reach-linux64, --gc-threshold, 2000000, --quiet, -i, /home/mcc/execution/UpperBounds.pnml.gal, -t, CGAL, -reachable-file, UpperBounds.prop, --nowitness], workingDir=/home/mcc/execution]

its-reach command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201903111103/bin/its-reach-linux64 --gc-threshold 2000000 --quiet -i /home/mcc/execution/UpperBounds.pnml.gal -t CGAL -reachable-file UpperBounds.prop --nowitness
Loading property file UpperBounds.prop.
Read [bounds] property : GPPP-PT-C0001N0000000010-UpperBounds-00 with value :b2
Read [bounds] property : GPPP-PT-C0001N0000000010-UpperBounds-01 with value :b1
Read [bounds] property : GPPP-PT-C0001N0000000010-UpperBounds-02 with value :S7P
Read [bounds] property : GPPP-PT-C0001N0000000010-UpperBounds-03 with value :c2
Read [bounds] property : GPPP-PT-C0001N0000000010-UpperBounds-04 with value :FBP
Read [bounds] property : GPPP-PT-C0001N0000000010-UpperBounds-05 with value :Xu5P
Read [bounds] property : GPPP-PT-C0001N0000000010-UpperBounds-06 with value :Gluc
Read [bounds] property : GPPP-PT-C0001N0000000010-UpperBounds-07 with value :Lac
Read [bounds] property : GPPP-PT-C0001N0000000010-UpperBounds-08 with value :ATP
Read [bounds] property : GPPP-PT-C0001N0000000010-UpperBounds-09 with value :_3PG
Read [bounds] property : GPPP-PT-C0001N0000000010-UpperBounds-10 with value :DHAP
Read [bounds] property : GPPP-PT-C0001N0000000010-UpperBounds-11 with value :b2
Read [bounds] property : GPPP-PT-C0001N0000000010-UpperBounds-12 with value :GSSG
Read [bounds] property : GPPP-PT-C0001N0000000010-UpperBounds-13 with value :Pyr
Read [bounds] property : GPPP-PT-C0001N0000000010-UpperBounds-14 with value :ADP
Read [bounds] property : GPPP-PT-C0001N0000000010-UpperBounds-15 with value :GAP
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
GPPP\_PT\_C0001N0000000010\_flat,1.65535e+06,1.44931,46212,2,4057,5,216894,6,0,161,255465,0
Total reachable state count : 1655346

Verifying 16 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 3
Bounds property GPPP-PT-C0001N0000000010-UpperBounds-00 :0 <= b2 <= 3
FORMULA GPPP-PT-C0001N0000000010-UpperBounds-00 3 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
GPPP-PT-C0001N0000000010-UpperBounds-00,0,1.45434,46432,1,0,7,216894,9,1,249,255465,4
Min sum of variable value : 0
Maximum sum along a path : 3
Bounds property GPPP-PT-C0001N0000000010-UpperBounds-01 :0 <= b1 <= 3
FORMULA GPPP-PT-C0001N0000000010-UpperBounds-01 3 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
GPPP-PT-C0001N0000000010-UpperBounds-01,0,1.45907,46500,1,0,8,216894,10,1,304,255465,5
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property GPPP-PT-C0001N0000000010-UpperBounds-02 :0 <= S7P <= 1
FORMULA GPPP-PT-C0001N0000000010-UpperBounds-02 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
GPPP-PT-C0001N0000000010-UpperBounds-02,0,1.46369,46500,1,0,9,216894,11,1,363,255465,6
Min sum of variable value : 0
Maximum sum along a path : 7
Bounds property GPPP-PT-C0001N0000000010-UpperBounds-03 :0 <= c2 <= 7
FORMULA GPPP-PT-C0001N0000000010-UpperBounds-03 7 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
GPPP-PT-C0001N0000000010-UpperBounds-03,0,1.46812,46500,1,0,10,216894,12,1,408,255465,7
Min sum of variable value : 0
Maximum sum along a path : 3
Bounds property GPPP-PT-C0001N0000000010-UpperBounds-04 :0 <= FBP <= 3
FORMULA GPPP-PT-C0001N0000000010-UpperBounds-04 3 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
GPPP-PT-C0001N0000000010-UpperBounds-04,0,1.47436,46500,1,0,11,216894,13,1,445,255465,8
Min sum of variable value : 0
Maximum sum along a path : 2
Bounds property GPPP-PT-C0001N0000000010-UpperBounds-05 :0 <= Xu5P <= 2
FORMULA GPPP-PT-C0001N0000000010-UpperBounds-05 2 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
GPPP-PT-C0001N0000000010-UpperBounds-05,0,1.4827,46500,1,0,12,216894,14,1,509,255465,9
Min sum of variable value : 0
Maximum sum along a path : 4
Bounds property GPPP-PT-C0001N0000000010-UpperBounds-06 :0 <= Gluc <= 4
FORMULA GPPP-PT-C0001N0000000010-UpperBounds-06 4 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
GPPP-PT-C0001N0000000010-UpperBounds-06,0,1.48363,46500,1,0,13,216894,15,1,531,255465,10
Min sum of variable value : 0
Maximum sum along a path : 7
Bounds property GPPP-PT-C0001N0000000010-UpperBounds-07 :0 <= Lac <= 7
FORMULA GPPP-PT-C0001N0000000010-UpperBounds-07 7 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
GPPP-PT-C0001N0000000010-UpperBounds-07,0,1.48389,46500,1,0,14,216894,16,1,542,255465,11
Min sum of variable value : 0
Maximum sum along a path : 47
Bounds property GPPP-PT-C0001N0000000010-UpperBounds-08 :0 <= ATP <= 47
FORMULA GPPP-PT-C0001N0000000010-UpperBounds-08 47 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
GPPP-PT-C0001N0000000010-UpperBounds-08,0,1.48583,46500,1,0,15,216894,17,1,578,255465,12
Min sum of variable value : 0
Maximum sum along a path : 7
Bounds property GPPP-PT-C0001N0000000010-UpperBounds-09 :0 <= _3PG <= 7
FORMULA GPPP-PT-C0001N0000000010-UpperBounds-09 7 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
GPPP-PT-C0001N0000000010-UpperBounds-09,0,1.49523,46500,1,0,16,216894,18,1,627,255465,13
Min sum of variable value : 0
Maximum sum along a path : 7
Bounds property GPPP-PT-C0001N0000000010-UpperBounds-10 :0 <= DHAP <= 7
FORMULA GPPP-PT-C0001N0000000010-UpperBounds-10 7 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
GPPP-PT-C0001N0000000010-UpperBounds-10,0,1.50694,46500,1,0,17,216894,19,1,678,255465,14
Min sum of variable value : 0
Maximum sum along a path : 3
Bounds property GPPP-PT-C0001N0000000010-UpperBounds-11 :0 <= b2 <= 3
FORMULA GPPP-PT-C0001N0000000010-UpperBounds-11 3 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
GPPP-PT-C0001N0000000010-UpperBounds-11,0,1.50722,46500,1,0,17,216894,19,1,678,255465,14
Min sum of variable value : 0
Maximum sum along a path : 10
Bounds property GPPP-PT-C0001N0000000010-UpperBounds-12 :0 <= GSSG <= 10
FORMULA GPPP-PT-C0001N0000000010-UpperBounds-12 10 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
GPPP-PT-C0001N0000000010-UpperBounds-12,0,1.50779,46500,1,0,18,216894,20,1,696,255465,15
Min sum of variable value : 0
Maximum sum along a path : 7
Bounds property GPPP-PT-C0001N0000000010-UpperBounds-13 :0 <= Pyr <= 7
FORMULA GPPP-PT-C0001N0000000010-UpperBounds-13 7 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
GPPP-PT-C0001N0000000010-UpperBounds-13,0,1.50853,46500,1,0,19,216894,21,1,715,255465,16
Min sum of variable value : 0
Maximum sum along a path : 14
Bounds property GPPP-PT-C0001N0000000010-UpperBounds-14 :0 <= ADP <= 14
FORMULA GPPP-PT-C0001N0000000010-UpperBounds-14 14 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
GPPP-PT-C0001N0000000010-UpperBounds-14,0,1.51149,46500,1,0,20,216894,22,1,753,255465,17
Min sum of variable value : 0
Maximum sum along a path : 7
Bounds property GPPP-PT-C0001N0000000010-UpperBounds-15 :0 <= GAP <= 7
FORMULA GPPP-PT-C0001N0000000010-UpperBounds-15 7 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
GPPP-PT-C0001N0000000010-UpperBounds-15,0,1.52224,46500,1,0,21,216894,23,1,808,255465,18

BK_STOP 1552779065693

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

+ export BINDIR=/home/mcc/BenchKit/
+ BINDIR=/home/mcc/BenchKit/
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -smt
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ /home/mcc/BenchKit//itstools/its-tools -data /home/mcc/execution/workspace -pnfolder /home/mcc/execution -examination UpperBounds -z3path /home/mcc/BenchKit//z3/bin/z3 -yices2path /home/mcc/BenchKit//yices/bin/yices -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -smt -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss8m -Xms40m -Xmx8192m -Dfile.encoding=UTF-8 -Dosgi.requiredJavaVersion=1.6
Mar 16, 2019 11:31:03 PM fr.lip6.move.gal.application.Application start
INFO: Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -its, -ltsminpath, /home/mcc/BenchKit//lts_install_dir/, -smt]
Mar 16, 2019 11:31:03 PM fr.lip6.move.gal.application.MccTranslator transformPNML
INFO: Parsing pnml file : /home/mcc/execution/model.pnml
Mar 16, 2019 11:31:03 PM fr.lip6.move.gal.nupn.PTNetReader loadFromXML
INFO: Load time of PNML (sax parser for PT used): 29 ms
Mar 16, 2019 11:31:03 PM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 33 places.
Mar 16, 2019 11:31:03 PM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 22 transitions.
Mar 16, 2019 11:31:03 PM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/model.pnml.img.gal : 6 ms
Mar 16, 2019 11:31:03 PM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 45 ms
Mar 16, 2019 11:31:03 PM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/UpperBounds.pnml.gal : 2 ms
Mar 16, 2019 11:31:03 PM fr.lip6.move.serialization.SerializationUtil serializePropertiesForITSTools
INFO: Time to serialize properties into /home/mcc/execution/UpperBounds.prop : 0 ms

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="GPPP-PT-C0001N0000000010"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"

# 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 2-3954"
echo " Executing tool itstools"
echo " Input is GPPP-PT-C0001N0000000010, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r085-csrt-155246554300317"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/GPPP-PT-C0001N0000000010.tgz
mv GPPP-PT-C0001N0000000010 execution
cd execution
if [ "UpperBounds" = "GlobalProperties" ] ; then
rm -f GenericPropertiesVerdict.xml
fi
if [ "UpperBounds" = "UpperBounds" ] ; 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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property UpperBounds.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "UpperBounds.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 '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
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 ;