About the Execution of ITS-Tools for JoinFreeModules-PT-0003
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
207.770 | 1986.00 | 3898.00 | 78.40 | FTTFTTFFFTTTFFTT | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Waiting for the VM to be ready (probing ssh)
......
=====================================================================
Generated by BenchKit 2-3254
Executing tool itstools
Input is JoinFreeModules-PT-0003, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r200-blw7-149581092400009
=====================================================================
--------------------
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 JoinFreeModules-PT-0003-ReachabilityFireability-0
FORMULA_NAME JoinFreeModules-PT-0003-ReachabilityFireability-1
FORMULA_NAME JoinFreeModules-PT-0003-ReachabilityFireability-10
FORMULA_NAME JoinFreeModules-PT-0003-ReachabilityFireability-11
FORMULA_NAME JoinFreeModules-PT-0003-ReachabilityFireability-12
FORMULA_NAME JoinFreeModules-PT-0003-ReachabilityFireability-13
FORMULA_NAME JoinFreeModules-PT-0003-ReachabilityFireability-14
FORMULA_NAME JoinFreeModules-PT-0003-ReachabilityFireability-15
FORMULA_NAME JoinFreeModules-PT-0003-ReachabilityFireability-2
FORMULA_NAME JoinFreeModules-PT-0003-ReachabilityFireability-3
FORMULA_NAME JoinFreeModules-PT-0003-ReachabilityFireability-4
FORMULA_NAME JoinFreeModules-PT-0003-ReachabilityFireability-5
FORMULA_NAME JoinFreeModules-PT-0003-ReachabilityFireability-6
FORMULA_NAME JoinFreeModules-PT-0003-ReachabilityFireability-7
FORMULA_NAME JoinFreeModules-PT-0003-ReachabilityFireability-8
FORMULA_NAME JoinFreeModules-PT-0003-ReachabilityFireability-9
=== Now, execution of the tool begins
BK_START 1496655457413
Using solver YICES2 to compute partial order matrices.
Built C files in :
/home/mcc/execution
its-reach command run as :
/home/mcc/BenchKit/eclipse/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201705302212/bin/its-reach-linux64 --gc-threshold 2000000 --quiet -i /home/mcc/execution/ReachabilityFireability.pnml.gal -t CGAL -reachable-file ReachabilityFireability.prop --nowitness
Loading property file ReachabilityFireability.prop.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
JoinFreeModules\_PT\_0003\_flat\_flat,35937,0.011781,5344,2,66,5,635,6,0,133,528,0
Total reachable state count : 35937
Verifying 16 reachability properties.
Reachability property JoinFreeModules-PT-0003-ReachabilityFireability-0 does not hold.
FORMULA JoinFreeModules-PT-0003-ReachabilityFireability-0 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
No reachable states exhibit your property : JoinFreeModules-PT-0003-ReachabilityFireability-0
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
JoinFreeModules-PT-0003-ReachabilityFireability-0,0,0.013032,5416,1,0,5,635,7,0,161,528,0
Reachability property JoinFreeModules-PT-0003-ReachabilityFireability-1 is true.
FORMULA JoinFreeModules-PT-0003-ReachabilityFireability-1 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
JoinFreeModules-PT-0003-ReachabilityFireability-1,336,0.013839,5568,2,31,6,635,8,0,177,528,0
Invariant property JoinFreeModules-PT-0003-ReachabilityFireability-2 does not hold.
FORMULA JoinFreeModules-PT-0003-ReachabilityFireability-2 FALSE 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
JoinFreeModules-PT-0003-ReachabilityFireability-2,216,0.014692,5744,2,36,7,635,9,0,193,528,0
Reachability property JoinFreeModules-PT-0003-ReachabilityFireability-3 is true.
FORMULA JoinFreeModules-PT-0003-ReachabilityFireability-3 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
JoinFreeModules-PT-0003-ReachabilityFireability-3,1,0.015233,5748,2,16,8,635,10,0,204,528,0
Reachability property JoinFreeModules-PT-0003-ReachabilityFireability-4 is true.
FORMULA JoinFreeModules-PT-0003-ReachabilityFireability-4 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
JoinFreeModules-PT-0003-ReachabilityFireability-4,1,0.015478,5748,2,16,8,635,11,0,206,528,0
Invariant property JoinFreeModules-PT-0003-ReachabilityFireability-5 is true.
FORMULA JoinFreeModules-PT-0003-ReachabilityFireability-5 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
JoinFreeModules-PT-0003-ReachabilityFireability-5,0,0.015991,5748,1,0,8,635,12,0,213,528,0
Invariant property JoinFreeModules-PT-0003-ReachabilityFireability-6 does not hold.
FORMULA JoinFreeModules-PT-0003-ReachabilityFireability-6 FALSE 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
JoinFreeModules-PT-0003-ReachabilityFireability-6,600,0.016556,5748,2,47,9,635,13,0,223,528,0
Invariant property JoinFreeModules-PT-0003-ReachabilityFireability-7 does not hold.
FORMULA JoinFreeModules-PT-0003-ReachabilityFireability-7 FALSE 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
JoinFreeModules-PT-0003-ReachabilityFireability-7,1,0.016952,5748,2,16,10,635,14,0,227,528,0
Reachability property JoinFreeModules-PT-0003-ReachabilityFireability-8 is true.
FORMULA JoinFreeModules-PT-0003-ReachabilityFireability-8 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
JoinFreeModules-PT-0003-ReachabilityFireability-8,2178,0.017091,5748,2,54,11,635,15,0,227,528,0
Reachability property JoinFreeModules-PT-0003-ReachabilityFireability-9 is true.
FORMULA JoinFreeModules-PT-0003-ReachabilityFireability-9 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
JoinFreeModules-PT-0003-ReachabilityFireability-9,1,0.01747,5748,2,16,12,635,16,0,230,528,0
Reachability property JoinFreeModules-PT-0003-ReachabilityFireability-10 is true.
FORMULA JoinFreeModules-PT-0003-ReachabilityFireability-10 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
JoinFreeModules-PT-0003-ReachabilityFireability-10,270,0.018165,5748,2,39,13,635,17,0,238,528,0
Reachability property JoinFreeModules-PT-0003-ReachabilityFireability-11 does not hold.
FORMULA JoinFreeModules-PT-0003-ReachabilityFireability-11 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
No reachable states exhibit your property : JoinFreeModules-PT-0003-ReachabilityFireability-11
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
JoinFreeModules-PT-0003-ReachabilityFireability-11,0,0.01887,5748,1,0,13,669,18,0,246,528,0
Reachability property JoinFreeModules-PT-0003-ReachabilityFireability-12 is true.
FORMULA JoinFreeModules-PT-0003-ReachabilityFireability-12 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
JoinFreeModules-PT-0003-ReachabilityFireability-12,2178,0.019004,5756,2,54,13,669,18,0,246,528,0
Invariant property JoinFreeModules-PT-0003-ReachabilityFireability-13 is true.
FORMULA JoinFreeModules-PT-0003-ReachabilityFireability-13 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
JoinFreeModules-PT-0003-ReachabilityFireability-13,0,0.019544,5756,1,0,13,710,19,0,253,528,0
Invariant property JoinFreeModules-PT-0003-ReachabilityFireability-14 does not hold.
FORMULA JoinFreeModules-PT-0003-ReachabilityFireability-14 FALSE 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
JoinFreeModules-PT-0003-ReachabilityFireability-14,112,0.02025,5756,2,48,14,757,20,0,261,528,0
Invariant property JoinFreeModules-PT-0003-ReachabilityFireability-15 does not hold.
FORMULA JoinFreeModules-PT-0003-ReachabilityFireability-15 FALSE 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
JoinFreeModules-PT-0003-ReachabilityFireability-15,33,0.020608,5764,2,37,15,758,21,0,264,528,0
Exit code :0
Presburger conditions satisfied. Using coverability to approximate state space in K-Induction.
BK_STOP 1496655459399
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/
+ BINDIR=/home/mcc/BenchKit/
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit//runeclipse.sh /home/mcc/execution ReachabilityFireability -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -smt
+ ulimit -s 65536
+ java -Dosgi.requiredJavaVersion=1.6 -Xss8m -Xms40m -Xmx8192m -Declipse.pde.launch=true -Dfile.encoding=UTF-8 -classpath /home/mcc/BenchKit//eclipse/plugins/org.eclipse.equinox.launcher_1.3.201.v20161025-1711.jar org.eclipse.equinox.launcher.Main -application fr.lip6.move.gal.application.pnmcc -data /home/mcc/BenchKit//workspace -os linux -ws gtk -arch x86_64 -nl en_US -consoleLog -pnfolder /home/mcc/execution -examination ReachabilityFireability -yices2path /home/mcc/BenchKit//yices/bin/yices -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -smt
Jun 05, 2017 9:37:38 AM fr.lip6.move.gal.application.MccTranslator transformPNML
INFO: Parsing pnml file : /home/mcc/execution/model.pnml
Jun 05, 2017 9:37:38 AM fr.lip6.move.gal.nupn.PTNetReader loadFromXML
INFO: Load time of PNML (sax parser for PT used): 31 ms
Jun 05, 2017 9:37:38 AM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 16 places.
Jun 05, 2017 9:37:38 AM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 25 transitions.
Jun 05, 2017 9:37:38 AM fr.lip6.move.gal.instantiate.DomainAnalyzer computeVariableDomains
INFO: Found a total of 1 fixed domain variables (out of 16 variables) in GAL type JoinFreeModules_PT_0003
Jun 05, 2017 9:37:38 AM fr.lip6.move.gal.instantiate.Simplifier simplifyConstantVariables
INFO: Found a total of 1 constant array cells/variables (out of 16 variables) in type JoinFreeModules_PT_0003
Jun 05, 2017 9:37:38 AM fr.lip6.move.gal.instantiate.Simplifier simplifyConstantVariables
INFO: p,
Jun 05, 2017 9:37:38 AM fr.lip6.move.gal.instantiate.Simplifier simplifyConstantVariables
INFO: Removed 1 constant variables :p
Jun 05, 2017 9:37:38 AM fr.lip6.move.gal.instantiate.Simplifier simplifyConstantVariables
INFO: Simplified 5 expressions due to constant valuations.
Jun 05, 2017 9:37:38 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 24 ms
Jun 05, 2017 9:37:38 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 5 ms
Jun 05, 2017 9:37:38 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/ReachabilityFireability.pnml.gal : 5 ms
Jun 05, 2017 9:37:38 AM fr.lip6.move.serialization.SerializationUtil serializePropertiesForITSTools
INFO: Time to serialize properties into /home/mcc/execution/ReachabilityFireability.prop : 1 ms
Jun 05, 2017 9:37:38 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 7 ms
Jun 05, 2017 9:37:39 AM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd checkProperties
INFO: Ran tautology test, simplified 0 / 0 in 167 ms.
Jun 05, 2017 9:37:39 AM fr.lip6.move.gal.itstools.Runner runTool
INFO: Standard error output from running tool CommandLine [args=[/home/mcc/BenchKit/eclipse/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201705302212/bin/its-reach-linux64, --gc-threshold, 2000000, --quiet, -i, /home/mcc/execution/ReachabilityFireability.pnml.gal, -t, CGAL, -reachable-file, ReachabilityFireability.prop, --nowitness], workingDir=/home/mcc/execution]
Read property : JoinFreeModules-PT-0003-ReachabilityFireability-0 with value :((((p9>=3)&&(p14>=4))&&(((p9>=4)&&(p6>=3))||((p6>=3)&&(p8>=2))))&&(!(((p6>=3)||(((p3>=3)&&(p8>=3))&&(p13>=3)))&&((p3>=1)||(p5>=5)))))
Read property : JoinFreeModules-PT-0003-ReachabilityFireability-1 with value :(((!((((p3>=3)&&(p8>=3))&&(p13>=3))||(p3>=1)))||(((p9>=3)&&(p3>=2))||((p11>=5)&&(p14>=3))))&&((p13>=2)&&(p10>=5)))
Read property : JoinFreeModules-PT-0003-ReachabilityFireability-2 with value :(!((((p8>=2)||(p6>=3))&&((p13>=1)&&(p9>=3)))&&(((p11>=3)&&(p4>=3))&&(!(p1>=5)))))
Read property : JoinFreeModules-PT-0003-ReachabilityFireability-3 with value :(((p1>=5)||(((p3>=2)&&(p2>=2))&&((p4>=3)&&(p15>=5))))&&(p7>=2))
Read property : JoinFreeModules-PT-0003-ReachabilityFireability-4 with value :((!(p6>=3))&&(p1>=5))
Read property : JoinFreeModules-PT-0003-ReachabilityFireability-5 with value :(!((((p9>=3)&&(((p3>=3)&&(p8>=3))&&(p13>=3)))&&(p6>=3))&&(!(p15>=5))))
Read property : JoinFreeModules-PT-0003-ReachabilityFireability-6 with value :((!(((p3>=1)&&(p11>=5))&&(!(p1>=3))))||((p12>=2)||(p8>=2)))
Read property : JoinFreeModules-PT-0003-ReachabilityFireability-7 with value :((!(p1>=5))||(!((!(p10>=5))&&((p6>=3)||(p9>=4)))))
Read property : JoinFreeModules-PT-0003-ReachabilityFireability-8 with value :(p11>=5)
Read property : JoinFreeModules-PT-0003-ReachabilityFireability-9 with value :(((p13>=1)||(((p4>=3)||(p14>=3))||(!(p5>=5))))&&(p1>=5))
Read property : JoinFreeModules-PT-0003-ReachabilityFireability-10 with value :(((p1>=3)&&(p4>=3))||((((p9>=3)&&(p9>=4))&&(p15>=5))&&(((p6>=3)&&(p1>=5))||(!(p5>=5)))))
Read property : JoinFreeModules-PT-0003-ReachabilityFireability-11 with value :(((p9>=3)&&(p6>=5))&&((!((((p3>=3)&&(p8>=3))&&(p13>=3))&&(p2>=2)))||(!((p9>=3)||(p12>=2)))))
Read property : JoinFreeModules-PT-0003-ReachabilityFireability-12 with value :(p11>=5)
Read property : JoinFreeModules-PT-0003-ReachabilityFireability-13 with value :(((!((p4>=3)||(p1>=3)))&&(p4>=3))||(!((p9>=4)&&((p10>=5)&&(p2>=2)))))
Read property : JoinFreeModules-PT-0003-ReachabilityFireability-14 with value :(((!(p6>=5))||(((p13>=1)||(p10>=5))||(!(p4>=3))))||((p3>=1)&&(!((p14>=3)&&(p6>=3)))))
Read property : JoinFreeModules-PT-0003-ReachabilityFireability-15 with value :(!((((p13>=2)||(p4>=4))||(p2>=2))&&(p6>=5)))
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="JoinFreeModules-PT-0003"
export BK_EXAMINATION="ReachabilityFireability"
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
tar xzf /home/mcc/BenchKit/INPUTS/JoinFreeModules-PT-0003.tgz
mv JoinFreeModules-PT-0003 execution
# this is for BenchKit: explicit launching of the test
cd execution
echo "====================================================================="
echo " Generated by BenchKit 2-3254"
echo " Executing tool itstools"
echo " Input is JoinFreeModules-PT-0003, 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 r200-blw7-149581092400009"
echo "====================================================================="
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 '
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 ;