fond
Model Checking Contest 2019
9th edition, Prague, Czech Republic, April 7, 2019 (TOOLympics)
Execution of r085-csrt-155246555100839
Last Updated
Apr 15, 2019

About the Execution of ITS-Tools for IBM703-PT-none

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
289.370 5927.00 13587.00 187.80 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

Formatting '/local/x2003239/mcc2019-input.r085-csrt-155246555100839.qcow2', fmt=qcow2 size=4294967296 backing_file=/local/x2003239/mcc2019-input.qcow2 encryption=off 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 IBM703-PT-none, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r085-csrt-155246555100839
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 388K
-rw-r--r-- 1 mcc users 4.6K Feb 11 05:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 18K Feb 11 05:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.3K Feb 7 05:09 CTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 7 05:09 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 10 17:31 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 101 Feb 24 15:05 GlobalProperties.txt
-rw-r--r-- 1 mcc users 339 Feb 24 15:05 GlobalProperties.xml
-rw-r--r-- 1 mcc users 3.8K Feb 5 00:03 LTLCardinality.txt
-rw-r--r-- 1 mcc users 14K Feb 5 00:03 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Feb 4 22:36 LTLFireability.txt
-rw-r--r-- 1 mcc users 10K Feb 4 22:36 LTLFireability.xml
-rw-r--r-- 1 mcc users 6.3K Feb 3 11:46 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 3 11:46 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Jan 31 06:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 22K Jan 31 06:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.1K Feb 4 22:21 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K Feb 4 22:21 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Jan 29 09:34 equiv_col

-rw-r--r-- 1 mcc users 5 Jan 29 09:34 instance
-rw-r--r-- 1 mcc users 6 Jan 29 09:34 iscolored
-rw-r--r-- 1 mcc users 193K 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 IBM703-PT-none-UpperBounds-00
FORMULA_NAME IBM703-PT-none-UpperBounds-01
FORMULA_NAME IBM703-PT-none-UpperBounds-02
FORMULA_NAME IBM703-PT-none-UpperBounds-03
FORMULA_NAME IBM703-PT-none-UpperBounds-04
FORMULA_NAME IBM703-PT-none-UpperBounds-05
FORMULA_NAME IBM703-PT-none-UpperBounds-06
FORMULA_NAME IBM703-PT-none-UpperBounds-07
FORMULA_NAME IBM703-PT-none-UpperBounds-08
FORMULA_NAME IBM703-PT-none-UpperBounds-09
FORMULA_NAME IBM703-PT-none-UpperBounds-10
FORMULA_NAME IBM703-PT-none-UpperBounds-11
FORMULA_NAME IBM703-PT-none-UpperBounds-12
FORMULA_NAME IBM703-PT-none-UpperBounds-13
FORMULA_NAME IBM703-PT-none-UpperBounds-14
FORMULA_NAME IBM703-PT-none-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1552808682550

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 : IBM703-PT-none-UpperBounds-00 with value :task_s00000758_output_s00000264
Read [bounds] property : IBM703-PT-none-UpperBounds-01 with value :stopNode_s00000597_input_default
Read [bounds] property : IBM703-PT-none-UpperBounds-02 with value :task_s00000705_input_s00000263
Read [bounds] property : IBM703-PT-none-UpperBounds-03 with value :task_s00000711_input_s00000263
Read [bounds] property : IBM703-PT-none-UpperBounds-04 with value :fork_s00000466_activated_s00000272
Read [bounds] property : IBM703-PT-none-UpperBounds-05 with value :task_s00000739_inputCriterion_s00000257_used
Read [bounds] property : IBM703-PT-none-UpperBounds-06 with value :task_s00000741_input_s00000263
Read [bounds] property : IBM703-PT-none-UpperBounds-07 with value :merge_s00000283_input_s00000263
Read [bounds] property : IBM703-PT-none-UpperBounds-08 with value :task_s00000713_inputCriterion_s00000257_used
Read [bounds] property : IBM703-PT-none-UpperBounds-09 with value :task_s00000707_input_s00000263
Read [bounds] property : IBM703-PT-none-UpperBounds-10 with value :task_s00000709_input_s00000263
Read [bounds] property : IBM703-PT-none-UpperBounds-11 with value :task_s00000715_output_s00000264
Read [bounds] property : IBM703-PT-none-UpperBounds-12 with value :task_s00000711_inputCriterion_s00000257_used
Read [bounds] property : IBM703-PT-none-UpperBounds-13 with value :task_s00000712_inputCriterion_s00000257_used
Read [bounds] property : IBM703-PT-none-UpperBounds-14 with value :task_s00000756_inputCriterion_s00000257_used
Read [bounds] property : IBM703-PT-none-UpperBounds-15 with value :merge_s00000452_activated
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
IBM703\_PT\_none\_flat,8370,0.154021,6348,2,1236,5,7248,6,0,1316,7571,0
Total reachable state count : 8370

Verifying 16 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property IBM703-PT-none-UpperBounds-00 :0 <= task_s00000758_output_s00000264 <= 1
FORMULA IBM703-PT-none-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
IBM703-PT-none-UpperBounds-00,0,0.156547,6384,1,0,7,7248,9,1,1929,7571,4
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property IBM703-PT-none-UpperBounds-01 :0 <= stopNode_s00000597_input_default <= 1
FORMULA IBM703-PT-none-UpperBounds-01 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
IBM703-PT-none-UpperBounds-01,0,0.158325,6452,1,0,8,7248,10,1,2282,7571,5
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property IBM703-PT-none-UpperBounds-02 :0 <= task_s00000705_input_s00000263 <= 1
FORMULA IBM703-PT-none-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
IBM703-PT-none-UpperBounds-02,0,0.160804,6452,1,0,9,7248,11,1,2763,7571,6
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property IBM703-PT-none-UpperBounds-03 :0 <= task_s00000711_input_s00000263 <= 1
FORMULA IBM703-PT-none-UpperBounds-03 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
IBM703-PT-none-UpperBounds-03,0,0.162757,6452,1,0,10,7248,12,1,3104,7571,7
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property IBM703-PT-none-UpperBounds-04 :0 <= fork_s00000466_activated_s00000272 <= 1
FORMULA IBM703-PT-none-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
IBM703-PT-none-UpperBounds-04,0,0.163889,6452,1,0,11,7248,13,1,3241,7571,8
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property IBM703-PT-none-UpperBounds-05 :0 <= task_s00000739_inputCriterion_s00000257_used <= 1
FORMULA IBM703-PT-none-UpperBounds-05 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
IBM703-PT-none-UpperBounds-05,0,0.165259,6452,1,0,12,7248,14,1,3342,7571,9
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property IBM703-PT-none-UpperBounds-06 :0 <= task_s00000741_input_s00000263 <= 1
FORMULA IBM703-PT-none-UpperBounds-06 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
IBM703-PT-none-UpperBounds-06,0,0.165888,6452,1,0,13,7248,15,1,3407,7571,10
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property IBM703-PT-none-UpperBounds-07 :0 <= merge_s00000283_input_s00000263 <= 1
FORMULA IBM703-PT-none-UpperBounds-07 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
IBM703-PT-none-UpperBounds-07,0,0.166447,6452,1,0,14,7248,16,1,3448,7571,11
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property IBM703-PT-none-UpperBounds-08 :0 <= task_s00000713_inputCriterion_s00000257_used <= 1
FORMULA IBM703-PT-none-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
IBM703-PT-none-UpperBounds-08,0,0.168264,6452,1,0,15,7248,17,1,3815,7571,12
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property IBM703-PT-none-UpperBounds-09 :0 <= task_s00000707_input_s00000263 <= 1
FORMULA IBM703-PT-none-UpperBounds-09 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
IBM703-PT-none-UpperBounds-09,0,0.169256,6452,1,0,16,7248,18,1,3960,7571,13
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property IBM703-PT-none-UpperBounds-10 :0 <= task_s00000709_input_s00000263 <= 1
FORMULA IBM703-PT-none-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
IBM703-PT-none-UpperBounds-10,0,0.171907,6452,1,0,17,7248,19,1,4486,7571,14
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property IBM703-PT-none-UpperBounds-11 :0 <= task_s00000715_output_s00000264 <= 1
FORMULA IBM703-PT-none-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
IBM703-PT-none-UpperBounds-11,0,0.174194,6452,1,0,18,7248,20,1,4905,7571,15
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property IBM703-PT-none-UpperBounds-12 :0 <= task_s00000711_inputCriterion_s00000257_used <= 1
FORMULA IBM703-PT-none-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
IBM703-PT-none-UpperBounds-12,0,0.176139,6452,1,0,19,7248,21,1,5244,7571,16
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property IBM703-PT-none-UpperBounds-13 :0 <= task_s00000712_inputCriterion_s00000257_used <= 1
FORMULA IBM703-PT-none-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
IBM703-PT-none-UpperBounds-13,0,0.178234,6452,1,0,20,7248,22,1,5601,7571,17
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property IBM703-PT-none-UpperBounds-14 :0 <= task_s00000756_inputCriterion_s00000257_used <= 1
FORMULA IBM703-PT-none-UpperBounds-14 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
IBM703-PT-none-UpperBounds-14,0,0.180838,6452,1,0,21,7248,23,1,6018,7571,18
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property IBM703-PT-none-UpperBounds-15 :0 <= merge_s00000452_activated <= 1
FORMULA IBM703-PT-none-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
IBM703-PT-none-UpperBounds-15,0,0.182608,6452,1,0,22,7248,24,1,6105,7571,19

BK_STOP 1552808688477

--------------------
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 17, 2019 7:44:46 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/, -smt]
Mar 17, 2019 7:44:46 AM fr.lip6.move.gal.application.MccTranslator transformPNML
INFO: Parsing pnml file : /home/mcc/execution/model.pnml
Mar 17, 2019 7:44:47 AM fr.lip6.move.gal.nupn.PTNetReader loadFromXML
INFO: Load time of PNML (sax parser for PT used): 136 ms
Mar 17, 2019 7:44:47 AM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 262 places.
Mar 17, 2019 7:44:47 AM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 284 transitions.
Mar 17, 2019 7:44:47 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/model.pnml.img.gal : 21 ms
Mar 17, 2019 7:44:47 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 122 ms
Mar 17, 2019 7:44:47 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/UpperBounds.pnml.gal : 7 ms
Mar 17, 2019 7:44:47 AM fr.lip6.move.serialization.SerializationUtil serializePropertiesForITSTools
INFO: Time to serialize properties into /home/mcc/execution/UpperBounds.prop : 0 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="IBM703-PT-none"
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 IBM703-PT-none, 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 r085-csrt-155246555100839"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/IBM703-PT-none.tgz
mv IBM703-PT-none 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 ;