Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2019-input.r063-ebro-155234658800005.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2019-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
.......................
=====================================================================
Generated by BenchKit 2-3954
Executing tool itstools
Input is Diffusion2D-PT-D05N010, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r063-ebro-155234658800005
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 236K
-rw-r--r-- 1 mcc users 4.0K Feb 10 21:26 CTLCardinality.txt
-rw-r--r-- 1 mcc users 21K Feb 10 21:26 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Feb 6 17:44 CTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 6 17:44 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 109 Feb 24 15:05 GlobalProperties.txt
-rw-r--r-- 1 mcc users 347 Feb 24 15:05 GlobalProperties.xml
-rw-r--r-- 1 mcc users 2.5K Feb 4 23:29 LTLCardinality.txt
-rw-r--r-- 1 mcc users 9.9K Feb 4 23:29 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K Feb 4 22:34 LTLFireability.txt
-rw-r--r-- 1 mcc users 8.6K Feb 4 22:34 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.3K Feb 3 07:19 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 21K Feb 3 07:19 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 3.7K Jan 30 23:42 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 21K Jan 30 23:42 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 4 22:19 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 4 22:19 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Jan 29 09:34 equiv_col
-rw-r--r-- 1 mcc users 8 Jan 29 09:34 instance
-rw-r--r-- 1 mcc users 6 Jan 29 09:34 iscolored
-rw-r--r-- 1 mcc users 55K 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 Diffusion2D-PT-D05N010-CTLFireability-00
FORMULA_NAME Diffusion2D-PT-D05N010-CTLFireability-01
FORMULA_NAME Diffusion2D-PT-D05N010-CTLFireability-02
FORMULA_NAME Diffusion2D-PT-D05N010-CTLFireability-03
FORMULA_NAME Diffusion2D-PT-D05N010-CTLFireability-04
FORMULA_NAME Diffusion2D-PT-D05N010-CTLFireability-05
FORMULA_NAME Diffusion2D-PT-D05N010-CTLFireability-06
FORMULA_NAME Diffusion2D-PT-D05N010-CTLFireability-07
FORMULA_NAME Diffusion2D-PT-D05N010-CTLFireability-08
FORMULA_NAME Diffusion2D-PT-D05N010-CTLFireability-09
FORMULA_NAME Diffusion2D-PT-D05N010-CTLFireability-10
FORMULA_NAME Diffusion2D-PT-D05N010-CTLFireability-11
FORMULA_NAME Diffusion2D-PT-D05N010-CTLFireability-12
FORMULA_NAME Diffusion2D-PT-D05N010-CTLFireability-13
FORMULA_NAME Diffusion2D-PT-D05N010-CTLFireability-14
FORMULA_NAME Diffusion2D-PT-D05N010-CTLFireability-15

=== Now, execution of the tool begins

BK_START 1552761560394

Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201903111103/bin/its-ctl-linux64, --gc-threshold, 2000000, --quiet, -i, /home/mcc/execution/CTLFireability.pnml.gal, -t, CGAL, -ctl, /home/mcc/execution/CTLFireability.ctl], workingDir=/home/mcc/execution]

its-ctl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201903111103/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /home/mcc/execution/CTLFireability.pnml.gal -t CGAL -ctl /home/mcc/execution/CTLFireability.ctl
No direction supplied, using forward translation only.
Parsed 16 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,1.31128e+08,0.091068,5920,2,266,5,9101,6,0,247,8434,0


Converting to forward existential form...Done !
original formula: !(E(!((cAMP__4_5_>=1)) U (((cAMP__1_4_>=1)&&(cAMP__2_3_>=1))&&((cAMP__2_3_>=1)&&(cAMP__3_1_>=1)))))
=> equivalent forward existential formula: [(FwdU(Init,!((cAMP__4_5_>=1))) * (((cAMP__1_4_>=1)&&(cAMP__2_3_>=1))&&((cAMP__2_3_>=1)&&(cAMP__3_1_>=1))))] = FALSE
Hit Full ! (commute/partial/dont) 134/0/10
(forward)formula 0,0,0.147986,6412,1,0,10,9101,16,1,573,8434,4
FORMULA Diffusion2D-PT-D05N010-CTLFireability-00 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

original formula: (((cAMP__5_5_>=1) + AG((cAMP__3_3_>=1))) + !(A(((cAMP__2_3_>=1)&&(cAMP__5_2_>=1)) U !((cAMP__2_5_>=1)))))
=> equivalent forward existential formula: [(FwdU(((Init * !(!(!((E(!(!((cAMP__2_5_>=1))) U (!(((cAMP__2_3_>=1)&&(cAMP__5_2_>=1))) * !(!((cAMP__2_5_>=1))))) + EG(!(!((cAMP__2_5_>=1))))))))) * !((cAMP__5_5_>=1))),TRUE) * !((cAMP__3_3_>=1)))] = FALSE
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Hit Full ! (commute/partial/dont) 134/0/10
(forward)formula 1,0,0.258044,8316,1,0,18,18078,37,7,1235,14904,17
FORMULA Diffusion2D-PT-D05N010-CTLFireability-01 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

original formula: ((((cAMP__1_2_>=1) * ((((cAMP__4_3_>=1)&&(cAMP__3_3_>=1))||(cAMP__3_2_>=1)) + AX((cAMP__4_2_>=1)))) + (cAMP__3_5_>=1)) + EF(AX((cAMP__3_1_>=1))))
=> equivalent forward existential formula: ([(((Init * !(E(TRUE U !(EX(!((cAMP__3_1_>=1))))))) * !((cAMP__3_5_>=1))) * !((cAMP__1_2_>=1)))] = FALSE * [(EY((((Init * !(E(TRUE U !(EX(!((cAMP__3_1_>=1))))))) * !((cAMP__3_5_>=1))) * !((((cAMP__4_3_>=1)&&(cAMP__3_3_>=1))||(cAMP__3_2_>=1))))) * !((cAMP__4_2_>=1)))] = FALSE)
(forward)formula 2,1,0.390386,10692,1,0,31,32098,51,12,1253,28353,25
FORMULA Diffusion2D-PT-D05N010-CTLFireability-02 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

original formula: !(AG(EX(((cAMP__4_2_>=1)||(cAMP__3_1_>=1)))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(EX(((cAMP__4_2_>=1)||(cAMP__3_1_>=1)))))] != FALSE
(forward)formula 3,1,0.451186,11748,1,0,34,40757,52,14,1254,38414,27
FORMULA Diffusion2D-PT-D05N010-CTLFireability-03 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

original formula: AG(EF((cAMP__1_3_>=1)))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U (cAMP__1_3_>=1))))] = FALSE
(forward)formula 4,1,0.457081,12276,1,0,35,40976,53,14,1254,38546,30
FORMULA Diffusion2D-PT-D05N010-CTLFireability-04 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

original formula: EF(AG(!(((cAMP__2_2_>=1)&&(cAMP__2_5_>=1)))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U !(!(((cAMP__2_2_>=1)&&(cAMP__2_5_>=1)))))))] != FALSE
(forward)formula 5,0,0.46372,12276,1,0,36,41228,54,14,1255,38666,33
FORMULA Diffusion2D-PT-D05N010-CTLFireability-05 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

original formula: AF((AG((cAMP__3_3_>=1)) * !(((cAMP__5_2_>=1)&&(cAMP__2_4_>=1)))))
=> equivalent forward existential formula: [FwdG(Init,!((!(E(TRUE U !((cAMP__3_3_>=1)))) * !(((cAMP__5_2_>=1)&&(cAMP__2_4_>=1))))))] = FALSE
(forward)formula 6,0,0.471476,12540,1,0,38,41914,57,16,1259,39252,38
FORMULA Diffusion2D-PT-D05N010-CTLFireability-06 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

original formula: !((!((EX((cAMP__2_3_>=1)) + AX((cAMP__5_3_>=1)))) + AG(EF((cAMP__1_4_>=1)))))
=> equivalent forward existential formula: [(FwdU((Init * !(!((EX((cAMP__2_3_>=1)) + !(EX(!((cAMP__5_3_>=1)))))))),TRUE) * !(E(TRUE U (cAMP__1_4_>=1))))] != FALSE
(forward)formula 7,0,0.472881,12540,1,0,39,41914,58,16,1259,39252,41
FORMULA Diffusion2D-PT-D05N010-CTLFireability-07 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

original formula: E((cAMP__3_3_>=1) U ((cAMP__2_1_>=1) * EG((cAMP__5_3_>=1))))
=> equivalent forward existential formula: [FwdG((FwdU(Init,(cAMP__3_3_>=1)) * (cAMP__2_1_>=1)),(cAMP__5_3_>=1))] != FALSE
Hit Full ! (commute/partial/dont) 128/0/16
Hit Full ! (commute/partial/dont) 134/0/10
(forward)formula 8,1,0.638777,14916,1,0,44,57552,72,18,1331,56983,48
FORMULA Diffusion2D-PT-D05N010-CTLFireability-08 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

original formula: EF(((cAMP__3_1_>=1) * (AG((cAMP__4_4_>=1)) + EG((cAMP__5_2_>=1)))))
=> equivalent forward existential formula: ([((FwdU(Init,TRUE) * (cAMP__3_1_>=1)) * !(E(TRUE U !((cAMP__4_4_>=1)))))] != FALSE + [FwdG((FwdU(Init,TRUE) * (cAMP__3_1_>=1)),(cAMP__5_2_>=1))] != FALSE)
Hit Full ! (commute/partial/dont) 134/0/10
(forward)formula 9,1,0.713841,16236,1,0,48,65219,81,20,1374,66669,56
FORMULA Diffusion2D-PT-D05N010-CTLFireability-09 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

original formula: (((cAMP__2_2_>=1) * A(((cAMP__2_4_>=1)||(cAMP__4_2_>=1)) U ((cAMP__4_1_>=1)&&(cAMP__3_4_>=1)))) * !((cAMP__3_3_>=1)))
=> equivalent forward existential formula: [((((Init * !((cAMP__3_3_>=1))) * (cAMP__2_2_>=1)) * !(EG(!(((cAMP__4_1_>=1)&&(cAMP__3_4_>=1)))))) * !(E(!(((cAMP__4_1_>=1)&&(cAMP__3_4_>=1))) U (!(((cAMP__2_4_>=1)||(cAMP__4_2_>=1))) * !(((cAMP__4_1_>=1)&&(cAMP__3_4_>=1)))))))] != FALSE
Hit Full ! (commute/partial/dont) 118/0/26
(forward)formula 10,0,0.863516,19324,1,0,52,79005,95,21,1447,82469,63
FORMULA Diffusion2D-PT-D05N010-CTLFireability-10 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

original formula: AF(EX((((cAMP__2_3_>=1)&&(cAMP__4_3_>=1))||((cAMP__1_4_>=1)||(cAMP__4_5_>=1)))))
=> equivalent forward existential formula: [FwdG(Init,!(EX((((cAMP__2_3_>=1)&&(cAMP__4_3_>=1))||((cAMP__1_4_>=1)||(cAMP__4_5_>=1))))))] = FALSE
(forward)formula 11,0,1.0965,22492,1,0,96,99477,99,64,1450,108686,109
FORMULA Diffusion2D-PT-D05N010-CTLFireability-11 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

original formula: !((cAMP__1_5_>=1))
=> equivalent forward existential formula: [(Init * !((cAMP__1_5_>=1)))] != FALSE
(forward)formula 12,1,1.09751,22756,1,0,97,99481,101,64,1451,108688,110
FORMULA Diffusion2D-PT-D05N010-CTLFireability-12 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

original formula: !(EG(((cAMP__5_5_>=1) * EX((cAMP__5_2_>=1)))))
=> equivalent forward existential formula: [FwdG(Init,((cAMP__5_5_>=1) * EX((cAMP__5_2_>=1))))] = FALSE
(forward)formula 13,1,1.12317,23020,1,0,99,101662,104,66,1451,110181,111
FORMULA Diffusion2D-PT-D05N010-CTLFireability-13 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

original formula: !((((EF((cAMP__5_4_>=1)) * ((cAMP__1_3_>=1)||((cAMP__3_3_>=1)&&(cAMP__4_5_>=1)))) + AG(((cAMP__4_5_>=1)||(cAMP__2_3_>=1)))) + !(EX(((cAMP__3_2_>=1)&&(cAMP__2_4_>=1))))))
=> equivalent forward existential formula: [(EY((Init * !(((E(TRUE U (cAMP__5_4_>=1)) * ((cAMP__1_3_>=1)||((cAMP__3_3_>=1)&&(cAMP__4_5_>=1)))) + !(E(TRUE U !(((cAMP__4_5_>=1)||(cAMP__2_3_>=1))))))))) * ((cAMP__3_2_>=1)&&(cAMP__2_4_>=1)))] != FALSE
(forward)formula 14,0,1.14697,23548,1,0,105,103369,109,70,1456,111498,119
FORMULA Diffusion2D-PT-D05N010-CTLFireability-14 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

original formula: (((cAMP__3_1_>=1) * !(E((cAMP__4_4_>=1) U (cAMP__5_5_>=1)))) * !(EX(((cAMP__5_3_>=1)&&((cAMP__5_2_>=1)&&(cAMP__2_5_>=1))))))
=> equivalent forward existential formula: (([(Init * !((cAMP__3_1_>=1)))] = FALSE * [(FwdU(Init,(cAMP__4_4_>=1)) * (cAMP__5_5_>=1))] = FALSE) * [(EY(Init) * ((cAMP__5_3_>=1)&&((cAMP__5_2_>=1)&&(cAMP__2_5_>=1))))] = FALSE)
Hit Full ! (commute/partial/dont) 128/0/16
(forward)formula 15,0,1.15325,23812,1,0,110,103491,116,72,1469,111546,124
FORMULA Diffusion2D-PT-D05N010-CTLFireability-15 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

ITS tools runner thread asked to quit. Dying gracefully.

BK_STOP 1552761565858

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

+ export BINDIR=/home/mcc/BenchKit/
+ BINDIR=/home/mcc/BenchKit/
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ CTLFireability = StateSpace ]]
+ /home/mcc/BenchKit//runeclipse.sh /home/mcc/execution CTLFireability -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 CTLFireability -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 16, 2019 6:39:23 PM fr.lip6.move.gal.application.Application start
INFO: Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLFireability, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -its, -ltsminpath, /home/mcc/BenchKit//lts_install_dir/, -smt]
Mar 16, 2019 6:39:23 PM fr.lip6.move.gal.application.MccTranslator transformPNML
INFO: Parsing pnml file : /home/mcc/execution/model.pnml
Mar 16, 2019 6:39:23 PM fr.lip6.move.gal.nupn.PTNetReader loadFromXML
INFO: Load time of PNML (sax parser for PT used): 87 ms
Mar 16, 2019 6:39:23 PM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 25 places.
Mar 16, 2019 6:39:24 PM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 144 transitions.
Mar 16, 2019 6:39:24 PM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/model.pnml.img.gal : 23 ms
Mar 16, 2019 6:39:24 PM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 85 ms
Mar 16, 2019 6:39:24 PM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/CTLFireability.pnml.gal : 7 ms
Mar 16, 2019 6:39:24 PM fr.lip6.move.serialization.SerializationUtil serializePropertiesForITSCTLTools
INFO: Time to serialize properties into /home/mcc/execution/CTLFireability.ctl : 3 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="Diffusion2D-PT-D05N010"
export BK_EXAMINATION="CTLFireability"
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 2-3954"
echo " Executing tool itstools"
echo " Input is Diffusion2D-PT-D05N010, examination is CTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r063-ebro-155234658800005"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Diffusion2D-PT-D05N010.tgz
mv Diffusion2D-PT-D05N010 execution
cd execution
if [ "CTLFireability" = "GlobalProperties" ] ; then
rm -f GenericPropertiesVerdict.xml
fi
if [ "CTLFireability" = "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 [ "CTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLFireability" != "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 "CTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLFireability.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 '' CTLFireability.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 ;