fond
Model Checking Contest 2018
8th edition, Bratislava, Slovakia, June 26, 2018
Execution of r141-qhx2-152673582700149
Last Updated
June 26, 2018

About the Execution of ITS-Tools.L for Raft-PT-08

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
15739.030 9284.00 20302.00 436.70 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 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 332K
-rw-r--r-- 1 mcc users 3.2K May 15 18:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 19K May 15 18:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K 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 5.8K May 15 18:50 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 2.1K May 26 09:27 LTLCardinality.txt
-rw-r--r-- 1 mcc users 9.1K May 26 09:27 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.8K May 26 09:27 LTLFireability.txt
-rw-r--r-- 1 mcc users 9.9K May 26 09:27 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K May 15 18:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 22K May 15 18:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 101 May 15 18:54 ReachabilityDeadlock.txt
-rw-r--r-- 1 mcc users 339 May 15 18:54 ReachabilityDeadlock.xml
-rw-r--r-- 1 mcc users 3.3K May 15 18:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 24K May 15 18:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K May 15 18:54 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K 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 3 May 15 18:50 instance
-rw-r--r-- 1 mcc users 6 May 15 18:50 iscolored
-rw-r--r-- 1 mcc users 156K May 15 18:50 model.pnml
=====================================================================
Generated by BenchKit 2-3637
Executing tool itstoolsl
Input is Raft-PT-08, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r141-qhx2-152673582700149
=====================================================================


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

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

The expected result is a vector of positive values
NUM_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME Raft-PT-08-UpperBounds-00
FORMULA_NAME Raft-PT-08-UpperBounds-01
FORMULA_NAME Raft-PT-08-UpperBounds-02
FORMULA_NAME Raft-PT-08-UpperBounds-03
FORMULA_NAME Raft-PT-08-UpperBounds-04
FORMULA_NAME Raft-PT-08-UpperBounds-05
FORMULA_NAME Raft-PT-08-UpperBounds-06
FORMULA_NAME Raft-PT-08-UpperBounds-07
FORMULA_NAME Raft-PT-08-UpperBounds-08
FORMULA_NAME Raft-PT-08-UpperBounds-09
FORMULA_NAME Raft-PT-08-UpperBounds-10
FORMULA_NAME Raft-PT-08-UpperBounds-11
FORMULA_NAME Raft-PT-08-UpperBounds-12
FORMULA_NAME Raft-PT-08-UpperBounds-13
FORMULA_NAME Raft-PT-08-UpperBounds-14
FORMULA_NAME Raft-PT-08-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1527911499043

Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201805241334/bin/its-reach-linux64, --gc-threshold, 2000000, --quiet, -i, /home/mcc/execution/UpperBounds.pnml.gal, -t, CGAL, -reachable-file, UpperBounds.prop, --nowitness], workingDir=/home/mcc/execution]

its-reach command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201805241334/bin/its-reach-linux64 --gc-threshold 2000000 --quiet -i /home/mcc/execution/UpperBounds.pnml.gal -t CGAL -reachable-file UpperBounds.prop --nowitness
Loading property file UpperBounds.prop.
Read [bounds] property : Raft-PT-08-UpperBounds-00 with value :u56.p276
Read [bounds] property : Raft-PT-08-UpperBounds-01 with value :u57.p285
Read [bounds] property : Raft-PT-08-UpperBounds-02 with value :u37.p185
Read [bounds] property : Raft-PT-08-UpperBounds-03 with value :u53.p263
Read [bounds] property : Raft-PT-08-UpperBounds-04 with value :u45.p225
Read [bounds] property : Raft-PT-08-UpperBounds-05 with value :u36.p176
Read [bounds] property : Raft-PT-08-UpperBounds-06 with value :u62.p308
Read [bounds] property : Raft-PT-08-UpperBounds-07 with value :u41.p203
Read [bounds] property : Raft-PT-08-UpperBounds-08 with value :u46.p229
Read [bounds] property : Raft-PT-08-UpperBounds-09 with value :u56.p280
Read [bounds] property : Raft-PT-08-UpperBounds-10 with value :u14.p69
Read [bounds] property : Raft-PT-08-UpperBounds-11 with value :u45.p223
Read [bounds] property : Raft-PT-08-UpperBounds-12 with value :u52.p258
Read [bounds] property : Raft-PT-08-UpperBounds-13 with value :u41.p205
Read [bounds] property : Raft-PT-08-UpperBounds-14 with value :u16.p78
Read [bounds] property : Raft-PT-08-UpperBounds-15 with value :u9.p42
built 130 ordering constraints for composite.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Raft\_PT\_08\_flat\_flat\_flat\_mod,1.0842e+46,0.888109,15992,210,21,20592,375,1097,38156,35,795,0
Total reachable state count : 1.084201491920770592220485751764357322652e+46

Verifying 16 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property Raft-PT-08-UpperBounds-00 :0 <= u56.p276 <= 1
FORMULA Raft-PT-08-UpperBounds-00 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Raft-PT-08-UpperBounds-00,0,0.907136,16024,1,0,20592,375,1505,38156,54,795,2815
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property Raft-PT-08-UpperBounds-01 :0 <= u57.p285 <= 1
FORMULA Raft-PT-08-UpperBounds-01 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Raft-PT-08-UpperBounds-01,0,0.921371,16088,1,0,20592,375,1705,38156,63,795,2950
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property Raft-PT-08-UpperBounds-02 :0 <= u37.p185 <= 1
FORMULA Raft-PT-08-UpperBounds-02 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Raft-PT-08-UpperBounds-02,0,0.933944,16088,1,0,20592,375,1800,38156,63,795,3035
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property Raft-PT-08-UpperBounds-03 :0 <= u53.p263 <= 1
FORMULA Raft-PT-08-UpperBounds-03 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Raft-PT-08-UpperBounds-03,0,0.946077,16088,1,0,20592,375,1921,38156,70,795,3070
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property Raft-PT-08-UpperBounds-04 :0 <= u45.p225 <= 1
FORMULA Raft-PT-08-UpperBounds-04 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Raft-PT-08-UpperBounds-04,0,0.957701,16088,1,0,20592,375,2030,38156,70,795,3125
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property Raft-PT-08-UpperBounds-05 :0 <= u36.p176 <= 1
FORMULA Raft-PT-08-UpperBounds-05 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Raft-PT-08-UpperBounds-05,0,0.969151,16088,1,0,20592,375,2119,38156,70,795,3220
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property Raft-PT-08-UpperBounds-06 :0 <= u62.p308 <= 1
FORMULA Raft-PT-08-UpperBounds-06 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Raft-PT-08-UpperBounds-06,0,0.980354,16088,1,0,20592,375,2246,38156,70,795,3239
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property Raft-PT-08-UpperBounds-07 :0 <= u41.p203 <= 1
FORMULA Raft-PT-08-UpperBounds-07 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Raft-PT-08-UpperBounds-07,0,0.991805,16088,1,0,20592,375,2374,38156,70,795,3256
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property Raft-PT-08-UpperBounds-08 :0 <= u46.p229 <= 1
FORMULA Raft-PT-08-UpperBounds-08 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Raft-PT-08-UpperBounds-08,0,1.00343,16088,1,0,20592,375,2492,38156,75,795,3297
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property Raft-PT-08-UpperBounds-09 :0 <= u56.p280 <= 1
FORMULA Raft-PT-08-UpperBounds-09 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Raft-PT-08-UpperBounds-09,0,1.01486,16088,1,0,20592,375,2626,38156,75,795,3302
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property Raft-PT-08-UpperBounds-10 :0 <= u14.p69 <= 1
FORMULA Raft-PT-08-UpperBounds-10 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Raft-PT-08-UpperBounds-10,0,1.02668,16088,1,0,20592,375,2726,38156,75,795,3375
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property Raft-PT-08-UpperBounds-11 :0 <= u45.p223 <= 1
FORMULA Raft-PT-08-UpperBounds-11 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Raft-PT-08-UpperBounds-11,0,1.03852,16088,1,0,20592,375,2835,38156,75,795,3430
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property Raft-PT-08-UpperBounds-12 :0 <= u52.p258 <= 1
FORMULA Raft-PT-08-UpperBounds-12 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Raft-PT-08-UpperBounds-12,0,1.04922,16088,1,0,20592,375,2946,38156,75,795,3481
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property Raft-PT-08-UpperBounds-13 :0 <= u41.p205 <= 1
FORMULA Raft-PT-08-UpperBounds-13 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Raft-PT-08-UpperBounds-13,0,1.05993,16088,1,0,20592,375,3074,38156,75,795,3498
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property Raft-PT-08-UpperBounds-14 :0 <= u16.p78 <= 1
FORMULA Raft-PT-08-UpperBounds-14 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Raft-PT-08-UpperBounds-14,0,1.07045,16088,1,0,20592,375,3150,38156,75,795,3619
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property Raft-PT-08-UpperBounds-15 :0 <= u9.p42 <= 1
FORMULA Raft-PT-08-UpperBounds-15 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Raft-PT-08-UpperBounds-15,0,1.08151,16088,1,0,20592,375,3226,38156,86,795,3744

BK_STOP 1527911508327

--------------------
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 UpperBounds -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -louvain -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 UpperBounds -z3path /home/mcc/BenchKit//z3/bin/z3 -yices2path /home/mcc/BenchKit//yices/bin/yices -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -louvain -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 02, 2018 3:51:43 AM fr.lip6.move.gal.application.Application start
INFO: Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -its, -ltsminpath, /home/mcc/BenchKit//lts_install_dir/, -louvain, -smt]
Jun 02, 2018 3:51:43 AM fr.lip6.move.gal.application.MccTranslator transformPNML
INFO: Parsing pnml file : /home/mcc/execution/model.pnml
Jun 02, 2018 3:51:43 AM fr.lip6.move.gal.nupn.PTNetReader loadFromXML
INFO: Load time of PNML (sax parser for PT used): 195 ms
Jun 02, 2018 3:51:43 AM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 328 places.
Jun 02, 2018 3:51:44 AM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 568 transitions.
Jun 02, 2018 3:51:44 AM fr.lip6.move.gal.pnml.togal.PnmlToGalTransformer transform
INFO: Found NUPN structural information;
Jun 02, 2018 3:51:44 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/model.pnml.img.gal : 52 ms
Jun 02, 2018 3:51:44 AM fr.lip6.move.gal.application.MccTranslator applyOrder
INFO: Applying decomposition
Jun 02, 2018 3:51:44 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 363 ms
Jun 02, 2018 3:51:44 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 250 ms
Jun 02, 2018 3:51:44 AM fr.lip6.move.gal.instantiate.CompositeBuilder decomposeWithOrder
INFO: Decomposing Gal with order
Jun 02, 2018 3:51:45 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 254 ms
Jun 02, 2018 3:51:45 AM fr.lip6.move.gal.instantiate.CompositeBuilder rewriteArraysToAllowPartition
INFO: Rewriting arrays to variables to allow decomposition.
Jun 02, 2018 3:51:45 AM fr.lip6.move.gal.instantiate.Instantiator fuseIsomorphicEffects
INFO: Removed a total of 462 redundant transitions.
Jun 02, 2018 3:51:45 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/UpperBounds.pnml.gal : 20 ms
Jun 02, 2018 3:51:45 AM fr.lip6.move.serialization.SerializationUtil serializePropertiesForITSTools
INFO: Time to serialize properties into /home/mcc/execution/UpperBounds.prop : 2 ms

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="Raft-PT-08"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="itstoolsl"
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/Raft-PT-08.tgz
mv Raft-PT-08 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 itstoolsl"
echo " Input is Raft-PT-08, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r141-qhx2-152673582700149"
echo "====================================================================="
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property UpperBounds.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "UpperBounds.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 '' UpperBounds.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 ;