fond
Model Checking Contest 2018
8th edition, Bratislava, Slovakia, June 26, 2018
Execution of r212-smll-152732263500629
Last Updated
June 26, 2018

About the Execution of ITS-Tools for Solitaire-PT-EngNC7x7

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
15753.960 41024.00 81610.00 751.80 FFFTFFFFFFFTFFFT 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)
..................
/home/mcc/execution
total 240K
-rw-r--r-- 1 mcc users 3.6K May 15 18:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 21K May 15 18:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K May 15 18:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 15 18:54 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K May 15 18:50 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.3K May 15 18:50 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 2.4K May 26 09:27 LTLCardinality.txt
-rw-r--r-- 1 mcc users 10K May 26 09:27 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.9K May 26 09:27 LTLFireability.txt
-rw-r--r-- 1 mcc users 8.6K May 26 09:27 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.2K May 15 18:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 16K May 15 18:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 112 May 15 18:54 ReachabilityDeadlock.txt
-rw-r--r-- 1 mcc users 350 May 15 18:54 ReachabilityDeadlock.xml
-rw-r--r-- 1 mcc users 3.1K May 15 18:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 19K May 15 18:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 15 18:54 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 15 18:54 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 15 18:50 equiv_col
-rw-r--r-- 1 mcc users 9 May 15 18:50 instance
-rw-r--r-- 1 mcc users 6 May 15 18:50 iscolored
-rw-r--r-- 1 mcc users 69K May 15 18:50 model.pnml
=====================================================================
Generated by BenchKit 2-3637
Executing tool itstools
Input is Solitaire-PT-EngNC7x7, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r212-smll-152732263500629
=====================================================================


--------------------
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 Solitaire-PT-EngNC7x7-LTLCardinality-00
FORMULA_NAME Solitaire-PT-EngNC7x7-LTLCardinality-01
FORMULA_NAME Solitaire-PT-EngNC7x7-LTLCardinality-02
FORMULA_NAME Solitaire-PT-EngNC7x7-LTLCardinality-03
FORMULA_NAME Solitaire-PT-EngNC7x7-LTLCardinality-04
FORMULA_NAME Solitaire-PT-EngNC7x7-LTLCardinality-05
FORMULA_NAME Solitaire-PT-EngNC7x7-LTLCardinality-06
FORMULA_NAME Solitaire-PT-EngNC7x7-LTLCardinality-07
FORMULA_NAME Solitaire-PT-EngNC7x7-LTLCardinality-08
FORMULA_NAME Solitaire-PT-EngNC7x7-LTLCardinality-09
FORMULA_NAME Solitaire-PT-EngNC7x7-LTLCardinality-10
FORMULA_NAME Solitaire-PT-EngNC7x7-LTLCardinality-11
FORMULA_NAME Solitaire-PT-EngNC7x7-LTLCardinality-12
FORMULA_NAME Solitaire-PT-EngNC7x7-LTLCardinality-13
FORMULA_NAME Solitaire-PT-EngNC7x7-LTLCardinality-14
FORMULA_NAME Solitaire-PT-EngNC7x7-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1527893796598

Using solver Z3 to compute partial order matrices.
Built C files in :
/home/mcc/execution
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201805151631/bin/its-ltl-linux64, --gc-threshold, 2000000, -i, /home/mcc/execution/LTLCardinality.pnml.gal, -t, CGAL, -LTL, /home/mcc/execution/LTLCardinality.ltl, -c, -stutter-deadlock], workingDir=/home/mcc/execution]

its-ltl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201805151631/bin/its-ltl-linux64 --gc-threshold 2000000 -i /home/mcc/execution/LTLCardinality.pnml.gal -t CGAL -LTL /home/mcc/execution/LTLCardinality.ltl -c -stutter-deadlock
Read 16 LTL properties
Checking formula 0 : !((F(F(G(F("(T57>=1)"))))))
Formula 0 simplified : !FGF"(T57>=1)"
Presburger conditions satisfied. Using coverability to approximate state space in K-Induction.
// Phase 1: matrix 76 rows 66 cols
invariant :T15 + F15 = 1
invariant :F55 + T55 = 1
invariant :T73 + F73 = 1
invariant :F23 + p23 = 1
invariant :T53 + F53 = 1
invariant :F34 + T34 = 1
invariant :F64 + T64 = 1
invariant :F52 + T52 = 1
invariant :T65 + F65 = 1
invariant :F57 + T57 = 1
invariant :T46 + F46 = 1
invariant :F43 + T43 = 1
invariant :T13 + F13 = 1
invariant :T75 + F75 = 1
invariant :F32 + T32 = 1
invariant :T36 + F36 = 1
invariant :F37 + T37 = 1
invariant :F14 + T14 = 1
invariant :F35 + T35 = 1
invariant :T45 + F45 = 1
invariant :F42 + T42 = 1
invariant :T33 + F33 = 1
invariant :T74 + F74 = 1
invariant :T31 + F31 = 1
invariant :T51 + F51 = 1
invariant :F24 + T24 = 1
invariant :F44 + T44 = 1
invariant :T54 + F54 = 1
invariant :T56 + F56 = 1
invariant :F25 + T25 = 1
invariant :T47 + F47 = 1
invariant :T63 + F63 = 1
invariant :F41 + T41 = 1
Running compilation step : CommandLine [args=[gcc, -c, -I/home/mcc/BenchKit//lts_install_dir//include, -I., -std=c99, -fPIC, -O3, model.c], workingDir=/home/mcc/execution]
Compilation finished in 2222 ms.
Running link step : CommandLine [args=[gcc, -shared, -o, gal.so, model.o], workingDir=/home/mcc/execution]
Link finished in 39 ms.
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, -p, --pins-guards, --when, --ltl, <>(<>([](<>((LTLAP0==true))))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 37 ms.
FORMULA Solitaire-PT-EngNC7x7-LTLCardinality-00 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, --when, --ltl, []([](<>(X((LTLAP1==true))))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 16 ms.
FORMULA Solitaire-PT-EngNC7x7-LTLCardinality-01 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, --when, --ltl, <>(<>(X(<>((LTLAP2==true))))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 16 ms.
FORMULA Solitaire-PT-EngNC7x7-LTLCardinality-02 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, --when, --ltl, <>(((LTLAP3==true))U(X((LTLAP4==true)))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 13 ms.
FORMULA Solitaire-PT-EngNC7x7-LTLCardinality-03 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, -p, --pins-guards, --when, --ltl, [](<>(((LTLAP5==true))U((LTLAP6==true)))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 1115 ms.
FORMULA Solitaire-PT-EngNC7x7-LTLCardinality-04 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, -p, --pins-guards, --when, --ltl, (LTLAP7==true), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 18 ms.
FORMULA Solitaire-PT-EngNC7x7-LTLCardinality-05 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, -p, --pins-guards, --when, --ltl, []((<>((LTLAP8==true)))U((LTLAP9==true))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 21 ms.
FORMULA Solitaire-PT-EngNC7x7-LTLCardinality-06 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, -p, --pins-guards, --when, --ltl, []([]([]([]((LTLAP10==true))))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 21 ms.
FORMULA Solitaire-PT-EngNC7x7-LTLCardinality-07 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, --when, --ltl, []((X((LTLAP11==true)))U((LTLAP12==true))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 18 ms.
FORMULA Solitaire-PT-EngNC7x7-LTLCardinality-08 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, -p, --pins-guards, --when, --ltl, (LTLAP13==true), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 19 ms.
FORMULA Solitaire-PT-EngNC7x7-LTLCardinality-09 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, --when, --ltl, X([](((LTLAP14==true))U((LTLAP15==true)))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 20 ms.
FORMULA Solitaire-PT-EngNC7x7-LTLCardinality-10 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, -p, --pins-guards, --when, --ltl, (LTLAP16==true), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 17 ms.
FORMULA Solitaire-PT-EngNC7x7-LTLCardinality-11 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, -p, --pins-guards, --when, --ltl, (LTLAP17==true), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 20 ms.
FORMULA Solitaire-PT-EngNC7x7-LTLCardinality-12 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, -p, --pins-guards, --when, --ltl, (LTLAP18==true), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 20 ms.
FORMULA Solitaire-PT-EngNC7x7-LTLCardinality-13 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, --when, --ltl, <>(X(<>(X((LTLAP19==true))))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 29097 ms.
FORMULA Solitaire-PT-EngNC7x7-LTLCardinality-14 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=1, -p, --pins-guards, --when, --ltl, (LTLAP20==true), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 18 ms.
FORMULA Solitaire-PT-EngNC7x7-LTLCardinality-15 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
ITS tools runner thread asked to quit. Dying gracefully.

BK_STOP 1527893837622

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

+ export BINDIR=/home/mcc/BenchKit/
+ BINDIR=/home/mcc/BenchKit/
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ /home/mcc/BenchKit//runeclipse.sh /home/mcc/execution LTLCardinality -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 -consoleLog -data /home/mcc/execution/workspace -pnfolder /home/mcc/execution -examination LTLCardinality -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
Jun 01, 2018 10:56:39 PM fr.lip6.move.gal.application.Application start
INFO: Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -its, -ltsminpath, /home/mcc/BenchKit//lts_install_dir/, -smt]
Jun 01, 2018 10:56:39 PM fr.lip6.move.gal.application.MccTranslator transformPNML
INFO: Parsing pnml file : /home/mcc/execution/model.pnml
Jun 01, 2018 10:56:39 PM fr.lip6.move.gal.nupn.PTNetReader loadFromXML
INFO: Load time of PNML (sax parser for PT used): 112 ms
Jun 01, 2018 10:56:39 PM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 66 places.
Jun 01, 2018 10:56:39 PM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 76 transitions.
Jun 01, 2018 10:56:39 PM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/model.pnml.img.gal : 19 ms
Jun 01, 2018 10:56:40 PM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 118 ms
Jun 01, 2018 10:56:40 PM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/LTLCardinality.pnml.gal : 7 ms
Jun 01, 2018 10:56:40 PM fr.lip6.move.serialization.SerializationUtil serializePropertiesForITSLTLTools
INFO: Time to serialize properties into /home/mcc/execution/LTLCardinality.ltl : 1 ms
Jun 01, 2018 10:56:40 PM fr.lip6.move.gal.semantics.DeterministicNextBuilder getDeterministicNext
INFO: Input system was already deterministic with 76 transitions.
Jun 01, 2018 10:56:40 PM fr.lip6.move.gal.gal2smt.bmc.KInductionSolver computeAndDeclareInvariants
INFO: Computed 33 place invariants in 27 ms
Jun 01, 2018 10:56:40 PM fr.lip6.move.gal.gal2smt.bmc.KInductionSolver init
INFO: Proved 66 variables to be positive in 245 ms
Jun 01, 2018 10:56:40 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeAblingMatrix
INFO: Computing symmetric may disable matrix : 76 transitions.
Jun 01, 2018 10:56:40 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of disable matrix completed :0/76 took 11 ms. Total solver calls (SAT/UNSAT): 0(0/0)
Jun 01, 2018 10:56:40 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Complete disable matrix. took 17 ms. Total solver calls (SAT/UNSAT): 0(0/0)
Jun 01, 2018 10:56:40 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeAblingMatrix
INFO: Computing symmetric may enable matrix : 76 transitions.
Jun 01, 2018 10:56:40 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Complete enable matrix. took 5 ms. Total solver calls (SAT/UNSAT): 0(0/0)
Jun 01, 2018 10:56:42 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeCoEnablingMatrix
INFO: Computing symmetric co enabling matrix : 76 transitions.
Jun 01, 2018 10:56:43 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Finished co-enabling matrix. took 1212 ms. Total solver calls (SAT/UNSAT): 674(320/354)
Jun 01, 2018 10:56:43 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeDoNotAccord
INFO: Computing Do-Not-Accords matrix : 76 transitions.
Jun 01, 2018 10:56:43 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Completed DNA matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
Jun 01, 2018 10:56:43 PM fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext transform
INFO: Built C files in 3113ms conformant to PINS in folder :/home/mcc/execution

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="Solitaire-PT-EngNC7x7"
export BK_EXAMINATION="LTLCardinality"
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/Solitaire-PT-EngNC7x7.tgz
mv Solitaire-PT-EngNC7x7 execution
cd execution
pwd
ls -lh

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-3637"
echo " Executing tool itstools"
echo " Input is Solitaire-PT-EngNC7x7, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r212-smll-152732263500629"
echo "====================================================================="
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLCardinality.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 '' LTLCardinality.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 ;