fond
Model Checking Contest 2019
9th edition, Prague, Czech Republic, April 7, 2019 (TOOLympics)
Execution of r173-oct2-155297752900002
Last Updated
Apr 15, 2019

About the Execution of ITS-Tools for SquareGrid-PT-020102

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
301.150 2905.00 5664.00 122.70 1 6 1 6 1 6 6 6 1 6 1 1 1 1 6 1 normal

Execution Chart

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

Trace from the execution

Formatting '/data/fko/mcc2019-input.r173-oct2-155297752900002.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fko/mcc2019-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.....................
=====================================================================
Generated by BenchKit 2-3954
Executing tool itstools
Input is SquareGrid-PT-020102, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r173-oct2-155297752900002
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 220K
-rw-r--r-- 1 mcc users 3.8K Feb 12 18:49 CTLCardinality.txt
-rw-r--r-- 1 mcc users 19K Feb 12 18:49 CTLCardinality.xml
-rw-r--r-- 1 mcc users 3.1K Feb 9 02:12 CTLFireability.txt
-rw-r--r-- 1 mcc users 21K Feb 9 02:12 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 10 17:31 GenericPropertiesDefinition.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 2.7K Feb 5 01:38 LTLCardinality.txt
-rw-r--r-- 1 mcc users 13K Feb 5 01:38 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.9K Feb 4 22:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 7.5K Feb 4 22:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Feb 4 20:42 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 20K Feb 4 20:42 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 3.4K Feb 1 21:03 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 20K Feb 1 21:03 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 4 22:30 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K 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
-rwxr-xr-x 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 positive values
NUM_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME SquareGrid-PT-020102-UpperBounds-00
FORMULA_NAME SquareGrid-PT-020102-UpperBounds-01
FORMULA_NAME SquareGrid-PT-020102-UpperBounds-02
FORMULA_NAME SquareGrid-PT-020102-UpperBounds-03
FORMULA_NAME SquareGrid-PT-020102-UpperBounds-04
FORMULA_NAME SquareGrid-PT-020102-UpperBounds-05
FORMULA_NAME SquareGrid-PT-020102-UpperBounds-06
FORMULA_NAME SquareGrid-PT-020102-UpperBounds-07
FORMULA_NAME SquareGrid-PT-020102-UpperBounds-08
FORMULA_NAME SquareGrid-PT-020102-UpperBounds-09
FORMULA_NAME SquareGrid-PT-020102-UpperBounds-10
FORMULA_NAME SquareGrid-PT-020102-UpperBounds-11
FORMULA_NAME SquareGrid-PT-020102-UpperBounds-12
FORMULA_NAME SquareGrid-PT-020102-UpperBounds-13
FORMULA_NAME SquareGrid-PT-020102-UpperBounds-14
FORMULA_NAME SquareGrid-PT-020102-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1553210793904

Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201903111103/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_1.0.0.201903111103/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 : SquareGrid-PT-020102-UpperBounds-00 with value :p3il_2_1
Read [bounds] property : SquareGrid-PT-020102-UpperBounds-01 with value :pb4_1_1
Read [bounds] property : SquareGrid-PT-020102-UpperBounds-02 with value :p1o_1_2
Read [bounds] property : SquareGrid-PT-020102-UpperBounds-03 with value :pb2_1_2
Read [bounds] property : SquareGrid-PT-020102-UpperBounds-04 with value :p4ol_1_1
Read [bounds] property : SquareGrid-PT-020102-UpperBounds-05 with value :pb4_2_2
Read [bounds] property : SquareGrid-PT-020102-UpperBounds-06 with value :pbl_2_1
Read [bounds] property : SquareGrid-PT-020102-UpperBounds-07 with value :pb3_2_2
Read [bounds] property : SquareGrid-PT-020102-UpperBounds-08 with value :p4o_1_2
Read [bounds] property : SquareGrid-PT-020102-UpperBounds-09 with value :pbl_1_1
Read [bounds] property : SquareGrid-PT-020102-UpperBounds-10 with value :p1ol_2_2
Read [bounds] property : SquareGrid-PT-020102-UpperBounds-11 with value :p3o_2_1
Read [bounds] property : SquareGrid-PT-020102-UpperBounds-12 with value :p4il_2_1
Read [bounds] property : SquareGrid-PT-020102-UpperBounds-13 with value :p1o_2_2
Read [bounds] property : SquareGrid-PT-020102-UpperBounds-14 with value :pbl_1_1
Read [bounds] property : SquareGrid-PT-020102-UpperBounds-15 with value :p1il_1_2
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SquareGrid\_PT\_020102\_flat,2.08542e+12,0.662428,22356,2,3270,5,111992,6,0,347,116522,0
Total reachable state count : 2085423232578

Verifying 16 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property SquareGrid-PT-020102-UpperBounds-00 :0 <= p3il_2_1 <= 1
FORMULA SquareGrid-PT-020102-UpperBounds-00 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SquareGrid-PT-020102-UpperBounds-00,0,0.666712,22612,1,0,7,111992,9,1,536,116522,4
Min sum of variable value : 0
Maximum sum along a path : 6
Bounds property SquareGrid-PT-020102-UpperBounds-01 :0 <= pb4_1_1 <= 6
FORMULA SquareGrid-PT-020102-UpperBounds-01 6 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SquareGrid-PT-020102-UpperBounds-01,0,0.671271,22680,1,0,8,111992,10,1,648,116522,5
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property SquareGrid-PT-020102-UpperBounds-02 :0 <= p1o_1_2 <= 1
FORMULA SquareGrid-PT-020102-UpperBounds-02 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SquareGrid-PT-020102-UpperBounds-02,0,0.673246,22680,1,0,9,111992,11,1,719,116522,6
Min sum of variable value : 0
Maximum sum along a path : 6
Bounds property SquareGrid-PT-020102-UpperBounds-03 :0 <= pb2_1_2 <= 6
FORMULA SquareGrid-PT-020102-UpperBounds-03 6 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SquareGrid-PT-020102-UpperBounds-03,0,0.674157,22680,1,0,10,111992,12,1,769,116522,7
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property SquareGrid-PT-020102-UpperBounds-04 :0 <= p4ol_1_1 <= 1
FORMULA SquareGrid-PT-020102-UpperBounds-04 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SquareGrid-PT-020102-UpperBounds-04,0,0.678168,22680,1,0,11,111992,13,1,896,116522,8
Min sum of variable value : 0
Maximum sum along a path : 6
Bounds property SquareGrid-PT-020102-UpperBounds-05 :0 <= pb4_2_2 <= 6
FORMULA SquareGrid-PT-020102-UpperBounds-05 6 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SquareGrid-PT-020102-UpperBounds-05,0,0.67867,22680,1,0,12,111992,14,1,926,116522,9
Min sum of variable value : 0
Maximum sum along a path : 6
Bounds property SquareGrid-PT-020102-UpperBounds-06 :0 <= pbl_2_1 <= 6
FORMULA SquareGrid-PT-020102-UpperBounds-06 6 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SquareGrid-PT-020102-UpperBounds-06,0,0.682128,22680,1,0,13,111992,15,1,1018,116522,10
Min sum of variable value : 0
Maximum sum along a path : 6
Bounds property SquareGrid-PT-020102-UpperBounds-07 :0 <= pb3_2_2 <= 6
FORMULA SquareGrid-PT-020102-UpperBounds-07 6 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SquareGrid-PT-020102-UpperBounds-07,0,0.682352,22680,1,0,14,111992,16,1,1038,116522,11
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property SquareGrid-PT-020102-UpperBounds-08 :0 <= p4o_1_2 <= 1
FORMULA SquareGrid-PT-020102-UpperBounds-08 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SquareGrid-PT-020102-UpperBounds-08,0,0.684463,22680,1,0,15,111992,17,1,1115,116522,12
Min sum of variable value : 0
Maximum sum along a path : 6
Bounds property SquareGrid-PT-020102-UpperBounds-09 :0 <= pbl_1_1 <= 6
FORMULA SquareGrid-PT-020102-UpperBounds-09 6 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SquareGrid-PT-020102-UpperBounds-09,0,0.688993,22680,1,0,16,111992,18,1,1225,116522,13
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property SquareGrid-PT-020102-UpperBounds-10 :0 <= p1ol_2_2 <= 1
FORMULA SquareGrid-PT-020102-UpperBounds-10 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SquareGrid-PT-020102-UpperBounds-10,0,0.689499,22680,1,0,17,111992,19,1,1266,116522,14
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property SquareGrid-PT-020102-UpperBounds-11 :0 <= p3o_2_1 <= 1
FORMULA SquareGrid-PT-020102-UpperBounds-11 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SquareGrid-PT-020102-UpperBounds-11,0,0.693798,22680,1,0,18,111992,20,1,1395,116522,15
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property SquareGrid-PT-020102-UpperBounds-12 :0 <= p4il_2_1 <= 1
FORMULA SquareGrid-PT-020102-UpperBounds-12 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SquareGrid-PT-020102-UpperBounds-12,0,0.696458,22680,1,0,19,111992,21,1,1480,116522,16
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property SquareGrid-PT-020102-UpperBounds-13 :0 <= p1o_2_2 <= 1
FORMULA SquareGrid-PT-020102-UpperBounds-13 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SquareGrid-PT-020102-UpperBounds-13,0,0.697196,22680,1,0,20,111992,22,1,1519,116522,17
Min sum of variable value : 0
Maximum sum along a path : 6
Bounds property SquareGrid-PT-020102-UpperBounds-14 :0 <= pbl_1_1 <= 6
FORMULA SquareGrid-PT-020102-UpperBounds-14 6 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SquareGrid-PT-020102-UpperBounds-14,0,0.697486,22680,1,0,20,111992,22,1,1519,116522,17
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property SquareGrid-PT-020102-UpperBounds-15 :0 <= p1il_1_2 <= 1
FORMULA SquareGrid-PT-020102-UpperBounds-15 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
SquareGrid-PT-020102-UpperBounds-15,0,0.699863,22680,1,0,21,111992,23,1,1584,116522,18

BK_STOP 1553210796809

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

+ export BINDIR=/home/mcc/BenchKit/
+ BINDIR=/home/mcc/BenchKit/
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit//runeclipse.sh /home/mcc/execution UpperBounds -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 UpperBounds -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 21, 2019 11:26:35 PM 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/, -smt]
Mar 21, 2019 11:26:35 PM fr.lip6.move.gal.application.MccTranslator transformPNML
INFO: Parsing pnml file : /home/mcc/execution/model.pnml
Mar 21, 2019 11:26:35 PM fr.lip6.move.gal.nupn.PTNetReader loadFromXML
INFO: Load time of PNML (sax parser for PT used): 33 ms
Mar 21, 2019 11:26:35 PM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 68 places.
Mar 21, 2019 11:26:35 PM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 72 transitions.
Mar 21, 2019 11:26:35 PM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/model.pnml.img.gal : 7 ms
Mar 21, 2019 11:26:35 PM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 50 ms
Mar 21, 2019 11:26:35 PM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/UpperBounds.pnml.gal : 2 ms
Mar 21, 2019 11:26:35 PM fr.lip6.move.serialization.SerializationUtil serializePropertiesForITSTools
INFO: Time to serialize properties into /home/mcc/execution/UpperBounds.prop : 1 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="SquareGrid-PT-020102"
export BK_EXAMINATION="UpperBounds"
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 SquareGrid-PT-020102, 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 r173-oct2-155297752900002"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SquareGrid-PT-020102.tgz
mv SquareGrid-PT-020102 execution
cd execution
if [ "UpperBounds" = "GlobalProperties" ] ; then
rm -f GenericPropertiesVerdict.xml
fi
if [ "UpperBounds" = "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 [ "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 ;