Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2021-input.r223-tall-162098216300423.qcow2', fmt=qcow2 size=4294967296 backing_file='/data/fkordon/mcc2021-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-4028
Executing tool itstools
Input is ShieldPPPs-PT-100A, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r223-tall-162098216300423
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.3M
-rw-r--r-- 1 mcc users 16K May 5 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 141K May 10 09:44 CTLCardinality.xml
-rw-r--r-- 1 mcc users 11K May 5 16:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 92K May 10 09:44 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 6 14:48 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.2K Mar 28 16:38 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Mar 28 16:38 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K Mar 28 16:38 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Mar 28 16:38 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Mar 27 12:30 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 18K Mar 27 12:30 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 25 18:32 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 12K Mar 25 18:32 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 22 08:16 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 22 08:16 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 5 16:52 equiv_col
-rw-r--r-- 1 mcc users 5 May 5 16:52 instance
-rw-r--r-- 1 mcc users 6 May 5 16:52 iscolored
-rw-r--r-- 1 mcc users 907K May 5 16:52 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME StableMarking

=== Now, execution of the tool begins

BK_START 1621073550079

Running Version 0
[2021-05-15 10:12:31] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -spotpath, /home/mcc/BenchKit/bin//..//ltlfilt, -z3path, /home/mcc/BenchKit/bin//..//z3/bin/z3, -yices2path, /home/mcc/BenchKit/bin//..//yices/bin/yices, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2021-05-15 10:12:31] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-05-15 10:12:31] [INFO ] Load time of PNML (sax parser for PT used): 166 ms
[2021-05-15 10:12:31] [INFO ] Transformed 3103 places.
[2021-05-15 10:12:31] [INFO ] Transformed 2603 transitions.
[2021-05-15 10:12:31] [INFO ] Found NUPN structural information;
[2021-05-15 10:12:31] [INFO ] Parsed PT model containing 3103 places and 2603 transitions in 323 ms.
Structural test allowed to assert that 804 places are NOT stable. Took 20 ms.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1050 ms. (steps per millisecond=9 ) properties (out of 2299) seen :1231
Running SMT prover for 1068 properties.
// Phase 1: matrix 2603 rows 3103 cols
[2021-05-15 10:12:33] [INFO ] Computed 1101 place invariants in 30 ms
[2021-05-15 10:12:58] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
Fused 1068 Parikh solutions to 1 different solutions.
Support contains 1068 out of 3103 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 3103/3103 places, 2603/2603 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 13 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 3101 transition count 2601
Partial Free-agglomeration rule applied 475 times.
Drop transitions removed 475 transitions
Iterating global reduction 0 with 475 rules applied. Total rules applied 479 place count 3101 transition count 2601
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 480 place count 3100 transition count 2600
Applied a total of 480 rules in 744 ms. Remains 3100 /3103 variables (removed 3) and now considering 2600/2603 (removed 3) transitions.
Finished structural reductions, in 1 iterations. Remains : 3100/3103 places, 2600/2603 transitions.
[2021-05-15 10:12:59] [INFO ] Flatten gal took : 253 ms
[2021-05-15 10:12:59] [INFO ] Flatten gal took : 168 ms
[2021-05-15 10:12:59] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7710400444503624991.gal : 50 ms
[2021-05-15 10:12:59] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16656273744354652697.prop : 5 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-reach-linux64, --gc-threshold, 2000000, --quiet, -i, /tmp/ReachabilityCardinality7710400444503624991.gal, -t, CGAL, -reachable-file, /tmp/ReachabilityCardinality16656273744354652697.prop, --nowitness, --gen-order, FOLLOW], workingDir=/home/mcc/execution]

its-reach command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-reach-linux64 --gc-threshold 2000000 --quiet -i /tmp/ReachabilityCardinality7710400444503624991.gal -t CGAL -reachable-file /tmp/ReachabilityCardinality16656273744354652697.prop --nowitness --gen-order FOLLOW
Loading property file /tmp/ReachabilityCardinality16656273744354652697.prop.
SDD proceeding with computation,1068 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1068 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1068 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1068 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1068 properties remain. new max is 64
SDD size :36 after 69
Invariant property smplace_1390 does not hold.
Invariant property smplace_1361 does not hold.
Invariant property smplace_1359 does not hold.
Invariant property smplace_1352 does not hold.
Invariant property smplace_1351 does not hold.
Invariant property smplace_1349 does not hold.
Invariant property smplace_1330 does not hold.
Invariant property smplace_1328 does not hold.
Invariant property smplace_1321 does not hold.
Invariant property smplace_1320 does not hold.
Invariant property smplace_1318 does not hold.
Invariant property smplace_1299 does not hold.
Invariant property smplace_1297 does not hold.
Invariant property smplace_1290 does not hold.
Invariant property smplace_1289 does not hold.
Invariant property smplace_1287 does not hold.
Invariant property smplace_1268 does not hold.
Invariant property smplace_1266 does not hold.
Invariant property smplace_1259 does not hold.
Invariant property smplace_1258 does not hold.
Invariant property smplace_1256 does not hold.
Invariant property smplace_1237 does not hold.
Invariant property smplace_1235 does not hold.
Invariant property smplace_1228 does not hold.
Invariant property smplace_1227 does not hold.
Invariant property smplace_1225 does not hold.
Invariant property smplace_1206 does not hold.
Invariant property smplace_1204 does not hold.
Invariant property smplace_1197 does not hold.
Invariant property smplace_1196 does not hold.
Invariant property smplace_1194 does not hold.
Invariant property smplace_1175 does not hold.
Invariant property smplace_1173 does not hold.
Invariant property smplace_1166 does not hold.
Invariant property smplace_1165 does not hold.
Invariant property smplace_1163 does not hold.
SDD proceeding with computation,1032 properties remain. new max is 64
SDD size :69 after 134
Invariant property smplace_1144 does not hold.
Invariant property smplace_1142 does not hold.
Invariant property smplace_1135 does not hold.
Invariant property smplace_1134 does not hold.
Invariant property smplace_1132 does not hold.
Invariant property smplace_1113 does not hold.
Invariant property smplace_1111 does not hold.
Invariant property smplace_1104 does not hold.
Invariant property smplace_1103 does not hold.
Invariant property smplace_1101 does not hold.
Invariant property smplace_1082 does not hold.
Invariant property smplace_1080 does not hold.
Invariant property smplace_1073 does not hold.
Invariant property smplace_1072 does not hold.
Invariant property smplace_1070 does not hold.
Invariant property smplace_1051 does not hold.
Invariant property smplace_1049 does not hold.
Invariant property smplace_1042 does not hold.
Invariant property smplace_1041 does not hold.
Invariant property smplace_1039 does not hold.
Invariant property smplace_1020 does not hold.
Invariant property smplace_1018 does not hold.
Invariant property smplace_1011 does not hold.
Invariant property smplace_1010 does not hold.
Invariant property smplace_1008 does not hold.
Invariant property smplace_989 does not hold.
Invariant property smplace_987 does not hold.
Invariant property smplace_980 does not hold.
Invariant property smplace_979 does not hold.
Invariant property smplace_977 does not hold.
Invariant property smplace_958 does not hold.
Invariant property smplace_956 does not hold.
Invariant property smplace_949 does not hold.
Invariant property smplace_948 does not hold.
Invariant property smplace_946 does not hold.
Invariant property smplace_927 does not hold.
Invariant property smplace_925 does not hold.
Invariant property smplace_918 does not hold.
Invariant property smplace_917 does not hold.
Invariant property smplace_915 does not hold.
Invariant property smplace_896 does not hold.
Invariant property smplace_894 does not hold.
Invariant property smplace_887 does not hold.
Invariant property smplace_886 does not hold.
Invariant property smplace_884 does not hold.
Invariant property smplace_865 does not hold.
Invariant property smplace_863 does not hold.
Invariant property smplace_856 does not hold.
Invariant property smplace_855 does not hold.
Invariant property smplace_853 does not hold.
Invariant property smplace_834 does not hold.
Invariant property smplace_832 does not hold.
Invariant property smplace_825 does not hold.
Invariant property smplace_824 does not hold.
Invariant property smplace_822 does not hold.
Invariant property smplace_803 does not hold.
Invariant property smplace_801 does not hold.
Invariant property smplace_794 does not hold.
Invariant property smplace_793 does not hold.
Invariant property smplace_791 does not hold.
Invariant property smplace_772 does not hold.
Invariant property smplace_770 does not hold.
Invariant property smplace_763 does not hold.
Invariant property smplace_762 does not hold.
Invariant property smplace_760 does not hold.
Invariant property smplace_741 does not hold.
Invariant property smplace_739 does not hold.
Invariant property smplace_732 does not hold.
Invariant property smplace_731 does not hold.
Invariant property smplace_729 does not hold.
Invariant property smplace_710 does not hold.
Invariant property smplace_708 does not hold.
Invariant property smplace_701 does not hold.
Invariant property smplace_700 does not hold.
Invariant property smplace_698 does not hold.
Invariant property smplace_679 does not hold.
Invariant property smplace_677 does not hold.
Invariant property smplace_670 does not hold.
Invariant property smplace_669 does not hold.
Invariant property smplace_667 does not hold.
Invariant property smplace_648 does not hold.
Invariant property smplace_646 does not hold.
Invariant property smplace_639 does not hold.
Invariant property smplace_638 does not hold.
Invariant property smplace_636 does not hold.
Invariant property smplace_617 does not hold.
Invariant property smplace_615 does not hold.
Invariant property smplace_608 does not hold.
Invariant property smplace_607 does not hold.
Invariant property smplace_605 does not hold.
Invariant property smplace_586 does not hold.
Invariant property smplace_584 does not hold.
Invariant property smplace_577 does not hold.
Invariant property smplace_576 does not hold.
Invariant property smplace_574 does not hold.
Invariant property smplace_555 does not hold.
Invariant property smplace_553 does not hold.
Invariant property smplace_546 does not hold.
Invariant property smplace_545 does not hold.
Invariant property smplace_543 does not hold.
Invariant property smplace_524 does not hold.
Invariant property smplace_522 does not hold.
Invariant property smplace_515 does not hold.
Invariant property smplace_514 does not hold.
Invariant property smplace_512 does not hold.
Invariant property smplace_493 does not hold.
Invariant property smplace_484 does not hold.
Invariant property smplace_483 does not hold.
Invariant property smplace_481 does not hold.
SDD proceeding with computation,923 properties remain. new max is 64
SDD size :134 after 199
Detected timeout of ITS tools.
[2021-05-15 10:13:15] [INFO ] Flatten gal took : 113 ms
[2021-05-15 10:13:15] [INFO ] Applying decomposition
[2021-05-15 10:13:15] [INFO ] Flatten gal took : 144 ms
Converted graph to binary with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202104292328/bin/convert-linux64, -i, /tmp/graph7568043874060083318.txt, -o, /tmp/graph7568043874060083318.bin, -w, /tmp/graph7568043874060083318.weights], workingDir=null]
Built communities with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202104292328/bin/louvain-linux64, /tmp/graph7568043874060083318.bin, -l, -1, -v, -w, /tmp/graph7568043874060083318.weights, -q, 0, -e, 0.001], workingDir=null]
[2021-05-15 10:13:15] [INFO ] Decomposing Gal with order
[2021-05-15 10:13:15] [INFO ] Rewriting arrays to variables to allow decomposition.
[2021-05-15 10:13:16] [INFO ] Removed a total of 1000 redundant transitions.
[2021-05-15 10:13:16] [INFO ] Flatten gal took : 278 ms
[2021-05-15 10:13:17] [INFO ] Fuse similar labels procedure discarded/fused a total of 1787 labels/synchronizations in 83 ms.
[2021-05-15 10:13:17] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2319858307005701884.gal : 27 ms
[2021-05-15 10:13:17] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3460927892195198269.prop : 3 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-reach-linux64, --gc-threshold, 2000000, --quiet, -i, /tmp/ReachabilityCardinality2319858307005701884.gal, -t, CGAL, -reachable-file, /tmp/ReachabilityCardinality3460927892195198269.prop, --nowitness], workingDir=/home/mcc/execution]

its-reach command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-reach-linux64 --gc-threshold 2000000 --quiet -i /tmp/ReachabilityCardinality2319858307005701884.gal -t CGAL -reachable-file /tmp/ReachabilityCardinality3460927892195198269.prop --nowitness
Loading property file /tmp/ReachabilityCardinality3460927892195198269.prop.
SDD proceeding with computation,923 properties remain. new max is 4
SDD size :1 after 1
SDD proceeding with computation,923 properties remain. new max is 8
SDD size :1 after 1
SDD proceeding with computation,923 properties remain. new max is 16
SDD size :1 after 1
SDD proceeding with computation,923 properties remain. new max is 32
SDD size :1 after 1
SDD proceeding with computation,923 properties remain. new max is 64
SDD size :1 after 1
SDD proceeding with computation,923 properties remain. new max is 128
SDD size :1 after 1
Detected timeout of ITS tools.
Built C files in :
/tmp/ltsmin5578154684305151075
[2021-05-15 10:13:32] [INFO ] Built C files in 52ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin5578154684305151075
Running compilation step : CommandLine [args=[gcc, -c, -I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202104292328/bin/include/, -I., -std=c99, -fPIC, -O2, model.c], workingDir=/tmp/ltsmin5578154684305151075]
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running CommandLine [args=[gcc, -c, -I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202104292328/bin/include/, -I., -std=c99, -fPIC, -O2, model.c], workingDir=/tmp/ltsmin5578154684305151075] killed by timeout after 1 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running CommandLine [args=[gcc, -c, -I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202104292328/bin/include/, -I., -std=c99, -fPIC, -O2, model.c], workingDir=/tmp/ltsmin5578154684305151075] killed by timeout after 1 SECONDS
at fr.lip6.move.gal.application.LTSminRunner$1.run(LTSminRunner.java:79)
at java.base/java.lang.Thread.run(Thread.java:834)
Finished random walk after 45961 steps, including 2 resets, run visited all 923 properties in 1792 ms. (steps per millisecond=25 )
Able to resolve query StableMarking after proving 2300 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK MARKED_SUFFIX_TEST DECISION_DIAGRAMS COLLATERAL_PROCESSING TOPOLOGICAL

BK_STOP 1621073615922

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

+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ StableMarking = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution StableMarking -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ cut -d . -f 9
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202104292328.jar
+ VERSION=0
+ echo 'Running Version 0'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data /home/mcc/execution/workspace -pnfolder /home/mcc/execution -examination StableMarking -spotpath /home/mcc/BenchKit/bin//..//ltlfilt -z3path /home/mcc/BenchKit/bin//..//z3/bin/z3 -yices2path /home/mcc/BenchKit/bin//..//yices/bin/yices -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss128m -Xms40m -Xmx16000m

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="ShieldPPPs-PT-100A"
export BK_EXAMINATION="StableMarking"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# 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 2-4028"
echo " Executing tool itstools"
echo " Input is ShieldPPPs-PT-100A, examination is StableMarking"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r223-tall-162098216300423"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldPPPs-PT-100A.tgz
mv ShieldPPPs-PT-100A execution
cd execution
if [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "UpperBounds" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] || [ "StableMarking" = "StateSpace" ]; 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 [ "StableMarking" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "StableMarking" != "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 "StableMarking.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property StableMarking.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "StableMarking.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 '' StableMarking.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] ; then
echo "FORMULA_NAME StableMarking"
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 ;