About the Execution of ITS-Tools for RefineWMG-PT-010010
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
1849.960 | 33417.00 | 116358.00 | 351.60 | FFFFTFTFFFFTFFFF | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2019-input.r140-smll-155284912800331.qcow2', fmt=qcow2 size=4294967296 backing_file='/data/fkordon/mcc2019-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
.................
=====================================================================
Generated by BenchKit 2-3817
Executing tool itstools
Input is RefineWMG-PT-010010, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r140-smll-155284912800331
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 184K
-rw-r--r-- 1 mcc users 3.2K Feb 12 14:26 CTLCardinality.txt
-rw-r--r-- 1 mcc users 18K Feb 12 14:26 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 8 16:20 CTLFireability.txt
-rw-r--r-- 1 mcc users 13K Feb 8 16:20 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 10 17:31 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.8K Mar 10 17:31 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 107 Feb 24 15:05 GlobalProperties.txt
-rw-r--r-- 1 mcc users 345 Feb 24 15:05 GlobalProperties.xml
-rw-r--r-- 1 mcc users 2.4K Feb 5 01:06 LTLCardinality.txt
-rw-r--r-- 1 mcc users 11K Feb 5 01:06 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.9K Feb 4 22:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 9.1K Feb 4 22:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.4K Feb 4 16:35 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 17K Feb 4 16:35 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Feb 1 12:57 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 14K Feb 1 12:57 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 4 22:30 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 4 22:30 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Jan 29 09:35 equiv_col
-rw-r--r-- 1 mcc users 7 Jan 29 09:35 instance
-rw-r--r-- 1 mcc users 6 Jan 29 09:35 iscolored
-rw-r--r-- 1 mcc users 24K 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 booleans
BOOL_VECTOR
here is the order used to build the result vector(from text file)
FORMULA_NAME RefineWMG-PT-010-010-LTLFireability-00
FORMULA_NAME RefineWMG-PT-010-010-LTLFireability-01
FORMULA_NAME RefineWMG-PT-010-010-LTLFireability-02
FORMULA_NAME RefineWMG-PT-010-010-LTLFireability-03
FORMULA_NAME RefineWMG-PT-010-010-LTLFireability-04
FORMULA_NAME RefineWMG-PT-010-010-LTLFireability-05
FORMULA_NAME RefineWMG-PT-010-010-LTLFireability-06
FORMULA_NAME RefineWMG-PT-010-010-LTLFireability-07
FORMULA_NAME RefineWMG-PT-010-010-LTLFireability-08
FORMULA_NAME RefineWMG-PT-010-010-LTLFireability-09
FORMULA_NAME RefineWMG-PT-010-010-LTLFireability-10
FORMULA_NAME RefineWMG-PT-010-010-LTLFireability-11
FORMULA_NAME RefineWMG-PT-010-010-LTLFireability-12
FORMULA_NAME RefineWMG-PT-010-010-LTLFireability-13
FORMULA_NAME RefineWMG-PT-010-010-LTLFireability-14
FORMULA_NAME RefineWMG-PT-010-010-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1553008725628
Working with output stream class java.io.PrintStream
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_1.0.0.201903111103/bin/its-ltl-linux64, --gc-threshold, 2000000, -i, /home/mcc/execution/LTLFireability.pnml.gal, -t, CGAL, -LTL, /home/mcc/execution/LTLFireability.ltl, -c, -stutter-deadlock], workingDir=/home/mcc/execution]
its-ltl command run as :
/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201903111103/bin/its-ltl-linux64 --gc-threshold 2000000 -i /home/mcc/execution/LTLFireability.pnml.gal -t CGAL -LTL /home/mcc/execution/LTLFireability.ltl -c -stutter-deadlock
Read 16 LTL properties
Checking formula 0 : !((X((X(F("(p7>=1)")))U("(p22>=1)"))))
Formula 0 simplified : !X(XF"(p7>=1)" U "(p22>=1)")
Presburger conditions satisfied. Using coverability to approximate state space in K-Induction.
// Phase 1: matrix 43 rows 54 cols
invariant :p12 + p13 = 10
invariant :p2 + p3 = 10
invariant :p39 + p40 = 10
invariant :p19 + p20 = 10
invariant :p44 + p45 = 10
invariant :p29 + p30 = 10
invariant :p22 + p23 = 10
invariant :p37 + p38 = 10
invariant :p42 + p43 = 10
invariant :psecond + pterce = 5
invariant :p14 + p15 = 10
invariant :p24 + p25 = 10
invariant :p7 + p8 = 10
invariant :p + pprime + p1 + p6 + p11 + p16 + p21 + p26 + p31 + p36 = 7
invariant :p27 + p28 = 10
invariant :p4 + p5 = 10
invariant :p17 + p18 = 10
invariant :p32 + p33 = 10
invariant :p34 + p35 = 10
invariant :p47 + p48 = 10
invariant :p49 + p50 = 10
invariant :p9 + p10 = 10
Running compilation step : CommandLine [args=[gcc, -c, -I/home/mcc/BenchKit//lts_install_dir//include, -I., -std=c99, -fPIC, -O2, model.c], workingDir=/home/mcc/execution]
Compilation finished in 1002 ms.
Running link step : CommandLine [args=[gcc, -shared, -o, gal.so, model.o], workingDir=/home/mcc/execution]
Link finished in 174 ms.
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, --when, --ltl, X((X(<>((LTLAP0==true))))U((LTLAP1==true))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 88 ms.
FORMULA RefineWMG-PT-010-010-LTLFireability-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=8, -p, --pins-guards, --when, --ltl, (LTLAP2==true), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 229 ms.
FORMULA RefineWMG-PT-010-010-LTLFireability-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=8, --when, --ltl, X([](([]((LTLAP3==true)))U((LTLAP4==true)))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 22920 ms.
FORMULA RefineWMG-PT-010-010-LTLFireability-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=8, -p, --pins-guards, --when, --ltl, <>([]((LTLAP5==true))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 259 ms.
FORMULA RefineWMG-PT-010-010-LTLFireability-03 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, --when, --ltl, (X([]([]((LTLAP6==true)))))U((<>((LTLAP7==true)))U(X((LTLAP8==true)))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 134 ms.
FORMULA RefineWMG-PT-010-010-LTLFireability-04 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, --when, --ltl, (X(((LTLAP9==true))U((LTLAP10==true))))U([]((LTLAP11==true))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 278 ms.
FORMULA RefineWMG-PT-010-010-LTLFireability-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=8, --when, --ltl, ((<>((LTLAP12==true)))U(X((LTLAP13==true))))U((LTLAP14==true)), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 301 ms.
FORMULA RefineWMG-PT-010-010-LTLFireability-06 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, -p, --pins-guards, --when, --ltl, (LTLAP13==true), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 223 ms.
FORMULA RefineWMG-PT-010-010-LTLFireability-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=8, --when, --ltl, (X((LTLAP15==true)))U((LTLAP16==true)), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 67 ms.
FORMULA RefineWMG-PT-010-010-LTLFireability-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=8, -p, --pins-guards, --when, --ltl, (LTLAP17==true), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 343 ms.
FORMULA RefineWMG-PT-010-010-LTLFireability-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=8, --when, --ltl, []([]((X((LTLAP18==true)))U([]((LTLAP2==true))))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 43 ms.
FORMULA RefineWMG-PT-010-010-LTLFireability-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=8, --when, --ltl, <>(X(X(((LTLAP5==true))U((LTLAP19==true))))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 142 ms.
FORMULA RefineWMG-PT-010-010-LTLFireability-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=8, -p, --pins-guards, --when, --ltl, <>([]((<>((LTLAP2==true)))U((LTLAP20==true)))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 218 ms.
FORMULA RefineWMG-PT-010-010-LTLFireability-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=8, -p, --pins-guards, --when, --ltl, [](<>((LTLAP21==true))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 320 ms.
FORMULA RefineWMG-PT-010-010-LTLFireability-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=8, -p, --pins-guards, --when, --ltl, (LTLAP22==true), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 233 ms.
FORMULA RefineWMG-PT-010-010-LTLFireability-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=8, --when, --ltl, X(X([]([](X((LTLAP23==true)))))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 246 ms.
FORMULA RefineWMG-PT-010-010-LTLFireability-15 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
ITS tools runner thread asked to quit. Dying gracefully.
BK_STOP 1553008759045
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/
+ BINDIR=/home/mcc/BenchKit/
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit//runeclipse.sh /home/mcc/execution LTLFireability -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 LTLFireability -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 19, 2019 3:18:47 PM fr.lip6.move.gal.application.Application start
INFO: Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -its, -ltsminpath, /home/mcc/BenchKit//lts_install_dir/, -smt]
Mar 19, 2019 3:18:47 PM fr.lip6.move.gal.application.MccTranslator transformPNML
INFO: Parsing pnml file : /home/mcc/execution/model.pnml
Mar 19, 2019 3:18:48 PM fr.lip6.move.gal.nupn.PTNetReader loadFromXML
INFO: Load time of PNML (sax parser for PT used): 50 ms
Mar 19, 2019 3:18:48 PM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 54 places.
Mar 19, 2019 3:18:48 PM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 43 transitions.
Mar 19, 2019 3:18:48 PM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/model.pnml.img.gal : 10 ms
Mar 19, 2019 3:18:48 PM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 43 ms
Mar 19, 2019 3:18:48 PM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/LTLFireability.pnml.gal : 2 ms
Mar 19, 2019 3:18:48 PM fr.lip6.move.serialization.SerializationUtil serializePropertiesForITSLTLTools
INFO: Time to serialize properties into /home/mcc/execution/LTLFireability.ltl : 2 ms
Mar 19, 2019 3:18:48 PM fr.lip6.move.gal.semantics.DeterministicNextBuilder getDeterministicNext
INFO: Input system was already deterministic with 43 transitions.
Mar 19, 2019 3:18:48 PM fr.lip6.move.gal.gal2smt.bmc.KInductionSolver computeAndDeclareInvariants
INFO: Computed 22 place invariants in 22 ms
Mar 19, 2019 3:18:48 PM fr.lip6.move.gal.gal2smt.bmc.KInductionSolver init
INFO: Proved 54 variables to be positive in 133 ms
Mar 19, 2019 3:18:48 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeAblingMatrix
INFO: Computing symmetric may disable matrix : 43 transitions.
Mar 19, 2019 3:18:48 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of disable matrix completed :0/43 took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
Mar 19, 2019 3:18:48 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Complete disable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
Mar 19, 2019 3:18:48 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeAblingMatrix
INFO: Computing symmetric may enable matrix : 43 transitions.
Mar 19, 2019 3:18:48 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
Mar 19, 2019 3:18:49 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeCoEnablingMatrix
INFO: Computing symmetric co enabling matrix : 43 transitions.
Mar 19, 2019 3:18:50 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Finished co-enabling matrix. took 617 ms. Total solver calls (SAT/UNSAT): 86(86/0)
Mar 19, 2019 3:18:50 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeDoNotAccord
INFO: Computing Do-Not-Accords matrix : 43 transitions.
Mar 19, 2019 3:18:50 PM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Completed DNA matrix. took 309 ms. Total solver calls (SAT/UNSAT): 41(0/41)
Mar 19, 2019 3:18:50 PM fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext transform
INFO: Built C files in 2072ms 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="RefineWMG-PT-010010"
export BK_EXAMINATION="LTLFireability"
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 2-3817"
echo " Executing tool itstools"
echo " Input is RefineWMG-PT-010010, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r140-smll-155284912800331"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/RefineWMG-PT-010010.tgz
mv RefineWMG-PT-010010 execution
cd execution
if [ "LTLFireability" = "GlobalProperties" ] ; then
rm -f GenericPropertiesVerdict.xml
fi
if [ "LTLFireability" = "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 [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLFireability.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 ;