About the Execution of ITS-Tools for S_Dekker-PT-010
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
254.410 | 4410.00 | 8352.00 | 127.70 | FTTFTFFFFFTTFFTT | 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 2-3253
Executing tool itstools
Input is S_Dekker-PT-010, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r100-ebro-149488457500207
=====================================================================
--------------------
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-010-ReachabilityFireability-0
FORMULA_NAME Dekker-PT-010-ReachabilityFireability-1
FORMULA_NAME Dekker-PT-010-ReachabilityFireability-10
FORMULA_NAME Dekker-PT-010-ReachabilityFireability-11
FORMULA_NAME Dekker-PT-010-ReachabilityFireability-12
FORMULA_NAME Dekker-PT-010-ReachabilityFireability-13
FORMULA_NAME Dekker-PT-010-ReachabilityFireability-14
FORMULA_NAME Dekker-PT-010-ReachabilityFireability-15
FORMULA_NAME Dekker-PT-010-ReachabilityFireability-2
FORMULA_NAME Dekker-PT-010-ReachabilityFireability-3
FORMULA_NAME Dekker-PT-010-ReachabilityFireability-4
FORMULA_NAME Dekker-PT-010-ReachabilityFireability-5
FORMULA_NAME Dekker-PT-010-ReachabilityFireability-6
FORMULA_NAME Dekker-PT-010-ReachabilityFireability-7
FORMULA_NAME Dekker-PT-010-ReachabilityFireability-8
FORMULA_NAME Dekker-PT-010-ReachabilityFireability-9
=== Now, execution of the tool begins
BK_START 1496501390591
FORMULA Dekker-PT-010-ReachabilityFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Dekker-PT-010-ReachabilityFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Dekker-PT-010-ReachabilityFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Dekker-PT-010-ReachabilityFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
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
Dekker\_PT\_010\_flat\_flat,6144,0.075103,6580,2,198,5,3061,6,0,323,1662,0
Total reachable state count : 6144
Verifying 12 reachability properties.
Invariant property Dekker-PT-010-ReachabilityFireability-0 does not hold.
FORMULA Dekker-PT-010-ReachabilityFireability-0 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
Dekker-PT-010-ReachabilityFireability-0,144,0.079335,6648,2,110,6,3061,7,0,374,1662,0
Invariant property Dekker-PT-010-ReachabilityFireability-1 is true.
FORMULA Dekker-PT-010-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
Dekker-PT-010-ReachabilityFireability-1,0,0.081764,6836,1,0,6,3061,8,0,390,1662,0
Reachability property Dekker-PT-010-ReachabilityFireability-2 does not hold.
FORMULA Dekker-PT-010-ReachabilityFireability-2 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
No reachable states exhibit your property : Dekker-PT-010-ReachabilityFireability-2
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-010-ReachabilityFireability-2,0,0.084216,6980,1,0,6,3061,9,0,402,1662,0
Invariant property Dekker-PT-010-ReachabilityFireability-3 does not hold.
FORMULA Dekker-PT-010-ReachabilityFireability-3 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
Dekker-PT-010-ReachabilityFireability-3,16,0.086056,6980,2,63,7,3061,10,0,420,1662,0
Reachability property Dekker-PT-010-ReachabilityFireability-4 is true.
FORMULA Dekker-PT-010-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
Dekker-PT-010-ReachabilityFireability-4,1,0.087732,6980,2,51,8,3061,11,0,421,1662,0
Invariant property Dekker-PT-010-ReachabilityFireability-5 is true.
FORMULA Dekker-PT-010-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
Dekker-PT-010-ReachabilityFireability-5,0,0.090592,6980,1,0,8,3061,12,0,439,1662,0
Invariant property Dekker-PT-010-ReachabilityFireability-6 does not hold.
FORMULA Dekker-PT-010-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
Dekker-PT-010-ReachabilityFireability-6,1,0.093318,6980,2,51,9,3061,13,0,445,1662,0
Reachability property Dekker-PT-010-ReachabilityFireability-7 does not hold.
FORMULA Dekker-PT-010-ReachabilityFireability-7 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
No reachable states exhibit your property : Dekker-PT-010-ReachabilityFireability-7
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-010-ReachabilityFireability-7,0,0.096046,6980,1,0,9,3061,14,0,466,1662,0
Invariant property Dekker-PT-010-ReachabilityFireability-8 is true.
FORMULA Dekker-PT-010-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
Dekker-PT-010-ReachabilityFireability-8,0,0.098285,6980,1,0,9,3061,15,0,479,1662,0
Reachability property Dekker-PT-010-ReachabilityFireability-9 is true.
FORMULA Dekker-PT-010-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
Dekker-PT-010-ReachabilityFireability-9,80,0.100993,6980,2,88,10,3061,16,0,493,1662,0
Invariant property Dekker-PT-010-ReachabilityFireability-10 is true.
FORMULA Dekker-PT-010-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
Dekker-PT-010-ReachabilityFireability-10,0,0.105642,6980,1,0,10,3061,17,0,497,1662,0
Reachability property Dekker-PT-010-ReachabilityFireability-12 is true.
FORMULA Dekker-PT-010-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
Dekker-PT-010-ReachabilityFireability-12,8,0.106275,6980,2,63,11,3061,18,0,498,1662,0
Exit code :0
BK_STOP 1496501395001
--------------------
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 03, 2017 2:49:53 PM fr.lip6.move.gal.application.MccTranslator transformPNML
INFO: Parsing pnml file : /home/mcc/execution/model.pnml
Jun 03, 2017 2:49:53 PM fr.lip6.move.gal.nupn.PTNetReader loadFromXML
INFO: Load time of PNML (sax parser for PT used): 126 ms
Jun 03, 2017 2:49:53 PM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 50 places.
Jun 03, 2017 2:49:53 PM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 120 transitions.
Jun 03, 2017 2:49:53 PM fr.lip6.move.gal.instantiate.PropertySimplifier rewriteWithInitialState
INFO: Invariant property Dekker-PT-010-ReachabilityFireability-11 is trivially false : it is not verified in initial state.
Jun 03, 2017 2:49:53 PM fr.lip6.move.gal.instantiate.PropertySimplifier rewriteWithInitialState
INFO: Invariant property Dekker-PT-010-ReachabilityFireability-13 is trivially false : it is not verified in initial state.
Jun 03, 2017 2:49:53 PM fr.lip6.move.gal.instantiate.PropertySimplifier rewriteWithInitialState
INFO: Invariant property Dekker-PT-010-ReachabilityFireability-14 is trivially false : it is not verified in initial state.
Jun 03, 2017 2:49:54 PM fr.lip6.move.gal.instantiate.PropertySimplifier rewriteWithInitialState
INFO: Invariant property Dekker-PT-010-ReachabilityFireability-15 is trivially false : it is not verified in initial state.
Jun 03, 2017 2:49:54 PM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 109 ms
Jun 03, 2017 2:49:54 PM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 72 ms
Jun 03, 2017 2:49:54 PM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/ReachabilityFireability.pnml.gal : 28 ms
Jun 03, 2017 2:49:54 PM fr.lip6.move.serialization.SerializationUtil serializePropertiesForITSTools
INFO: Time to serialize properties into /home/mcc/execution/ReachabilityFireability.prop : 3 ms
Jun 03, 2017 2:49:54 PM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 105 ms
Jun 03, 2017 2:49:54 PM 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 : Dekker-PT-010-ReachabilityFireability-0 with value :(!((((((flag_1_0>=1)&&(flag_1_5>=1))&&(p1_0>=1))&&(((flag_1_2>=1)&&(flag_1_3>=1))&&(p1_2>=1)))&&((((flag_1_5>=1)&&(flag_1_7>=1))&&(p1_5>=1))||((flag_0_5>=1)&&(p0_5>=1))))&&(!((((((((((flag_0_0>=1)&&(flag_0_1>=1))&&(flag_0_2>=1))&&(flag_0_3>=1))&&(flag_0_4>=1))&&(flag_0_5>=1))&&(flag_0_6>=1))&&(flag_0_7>=1))&&(flag_0_8>=1))&&(p1_9>=1)))))
Read property : Dekker-PT-010-ReachabilityFireability-1 with value :(!(((flag_0_3>=1)&&(p0_3>=1))&&((!(((flag_1_1>=1)&&(flag_1_8>=1))&&(p1_8>=1)))&&((((flag_1_3>=1)&&(flag_1_8>=1))&&(p1_8>=1))&&(((flag_1_1>=1)&&(flag_1_8>=1))&&(p1_8>=1))))))
Read property : Dekker-PT-010-ReachabilityFireability-2 with value :(((!((flag_0_5>=1)&&(p0_5>=1)))&&((((flag_1_0>=1)&&(flag_1_8>=1))&&(p1_0>=1))||((((flag_1_1>=1)&&(flag_1_6>=1))&&(p1_1>=1))||(((flag_1_2>=1)&&(flag_1_6>=1))&&(p1_6>=1)))))&&((flag_0_5>=1)&&(p0_5>=1)))
Read property : Dekker-PT-010-ReachabilityFireability-3 with value :((((flag_1_5>=1)&&(flag_1_7>=1))&&(p1_7>=1))||(!((((flag_1_7>=1)&&(flag_1_8>=1))&&(p1_7>=1))&&(((flag_1_6>=1)&&(p3_6>=1))&&(((flag_1_3>=1)&&(flag_1_9>=1))&&(p1_3>=1))))))
Read property : Dekker-PT-010-ReachabilityFireability-4 with value :(!((!((((flag_1_0>=1)&&(flag_1_5>=1))&&(p1_0>=1))&&(((flag_1_0>=1)&&(flag_1_7>=1))&&(p1_0>=1))))||((!(((flag_1_1>=1)&&(flag_1_8>=1))&&(p1_8>=1)))||(!(((flag_1_7>=1)&&(flag_1_8>=1))&&(p1_8>=1))))))
Read property : Dekker-PT-010-ReachabilityFireability-5 with value :((((flag_0_3>=1)&&(p0_3>=1))||(((flag_1_2>=1)&&(flag_1_8>=1))&&(p1_2>=1)))||((!((((flag_1_2>=1)&&(flag_1_4>=1))&&(p1_2>=1))&&((flag_1_2>=1)&&(p3_2>=1))))||(!(((flag_1_3>=1)&&(flag_1_4>=1))&&(p1_3>=1)))))
Read property : Dekker-PT-010-ReachabilityFireability-6 with value :(!(((((flag_1_0>=1)&&(flag_1_7>=1))&&(p1_7>=1))&&((((flag_1_1>=1)&&(flag_1_4>=1))&&(p1_4>=1))&&(((flag_1_0>=1)&&(flag_1_9>=1))&&(p1_0>=1))))&&((((flag_1_1>=1)&&(flag_1_8>=1))&&(p1_1>=1))||((((flag_1_5>=1)&&(flag_1_7>=1))&&(p1_7>=1))&&(((flag_1_7>=1)&&(flag_1_9>=1))&&(p1_9>=1))))))
Read property : Dekker-PT-010-ReachabilityFireability-7 with value :(((((((((((flag_0_0>=1)&&(flag_0_1>=1))&&(flag_0_2>=1))&&(flag_0_3>=1))&&(flag_0_4>=1))&&(flag_0_5>=1))&&(flag_0_6>=1))&&(flag_0_8>=1))&&(flag_0_9>=1))&&(p1_7>=1))&&((((flag_1_8>=1)&&(flag_1_9>=1))&&(p1_9>=1))||(((flag_1_2>=1)&&(flag_1_4>=1))&&(p1_2>=1))))
Read property : Dekker-PT-010-ReachabilityFireability-8 with value :(!((((flag_1_1>=1)&&(flag_1_4>=1))&&(p1_1>=1))&&((((((((((flag_0_0>=1)&&(flag_0_1>=1))&&(flag_0_2>=1))&&(flag_0_3>=1))&&(flag_0_4>=1))&&(flag_0_6>=1))&&(flag_0_7>=1))&&(flag_0_8>=1))&&(flag_0_9>=1))&&(p1_5>=1))))
Read property : Dekker-PT-010-ReachabilityFireability-9 with value :((((flag_1_5>=1)&&(p3_5>=1))&&((((flag_1_3>=1)&&(flag_1_7>=1))&&(p1_7>=1))||((((flag_1_0>=1)&&(flag_1_6>=1))&&(p1_0>=1))||((flag_1_4>=1)&&(p34>=1)))))&&((((flag_1_0>=1)&&(flag_1_1>=1))&&(p1_1>=1))||((flag_0_5>=1)&&(p0_5>=1))))
Read property : Dekker-PT-010-ReachabilityFireability-10 with value :((!((((((((((flag_0_1>=1)&&(flag_0_2>=1))&&(flag_0_3>=1))&&(flag_0_4>=1))&&(flag_0_5>=1))&&(flag_0_6>=1))&&(flag_0_7>=1))&&(flag_0_8>=1))&&(flag_0_9>=1))&&(p1_0>=1)))||(!(((((flag_1_6>=1)&&(flag_1_9>=1))&&(p1_6>=1))&&(((flag_1_2>=1)&&(flag_1_7>=1))&&(p1_7>=1)))||(((((((((((flag_0_0>=1)&&(flag_0_1>=1))&&(flag_0_3>=1))&&(flag_0_4>=1))&&(flag_0_5>=1))&&(flag_0_6>=1))&&(flag_0_7>=1))&&(flag_0_8>=1))&&(flag_0_9>=1))&&(p1_2>=1))&&(((flag_1_5>=1)&&(flag_1_9>=1))&&(p1_5>=1))))))
Read property : Dekker-PT-010-ReachabilityFireability-12 with value :(((flag_1_2>=1)&&(flag_1_5>=1))&&(p1_2>=1))
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="S_Dekker-PT-010"
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/S_Dekker-PT-010.tgz
mv S_Dekker-PT-010 execution
# this is for BenchKit: explicit launching of the test
cd execution
echo "====================================================================="
echo " Generated by BenchKit 2-3253"
echo " Executing tool itstools"
echo " Input is S_Dekker-PT-010, 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 r100-ebro-149488457500207"
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 ;