fond
Model Checking Contest 2019
9th edition, Prague, Czech Republic, April 7, 2019 (TOOLympics)
Execution of r074-smll-155234739100133
Last Updated
Apr 15, 2019

About the Execution of ITS-Tools for ERK-PT-000100

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
1899.320 36184.00 130970.00 393.10 FFTFFFFFFFFFFFFF normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2019-input.r074-smll-155234739100133.qcow2', fmt=qcow2 size=4294967296 backing_file='/data/fkordon/mcc2019-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
...................
=====================================================================
Generated by BenchKit 2-3957
Executing tool itstools
Input is ERK-PT-000100, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r074-smll-155234739100133
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 168K
-rw-r--r-- 1 mcc users 3.7K Feb 10 23:18 CTLCardinality.txt
-rw-r--r-- 1 mcc users 20K Feb 10 23:18 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Feb 6 20:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 14K Feb 6 20:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 10 17:31 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.9K Mar 10 17:31 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 100 Feb 24 15:05 GlobalProperties.txt
-rw-r--r-- 1 mcc users 338 Feb 24 15:05 GlobalProperties.xml
-rw-r--r-- 1 mcc users 2.4K Feb 4 23:40 LTLCardinality.txt
-rw-r--r-- 1 mcc users 11K Feb 4 23:40 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.9K Feb 4 22:35 LTLFireability.txt
-rw-r--r-- 1 mcc users 12K Feb 4 22:35 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Feb 3 08:02 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 18K Feb 3 08:02 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Jan 31 00:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 15K Jan 31 00:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 4 22:20 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 4 22:20 UpperBounds.xml

-rw-r--r-- 1 mcc users 6 Jan 29 09:34 equiv_col
-rw-r--r-- 1 mcc users 7 Jan 29 09:34 instance
-rw-r--r-- 1 mcc users 6 Jan 29 09:34 iscolored
-rw-r--r-- 1 mcc users 6.7K 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 ERK-PT-000100-LTLFireability-00
FORMULA_NAME ERK-PT-000100-LTLFireability-01
FORMULA_NAME ERK-PT-000100-LTLFireability-02
FORMULA_NAME ERK-PT-000100-LTLFireability-03
FORMULA_NAME ERK-PT-000100-LTLFireability-04
FORMULA_NAME ERK-PT-000100-LTLFireability-05
FORMULA_NAME ERK-PT-000100-LTLFireability-06
FORMULA_NAME ERK-PT-000100-LTLFireability-07
FORMULA_NAME ERK-PT-000100-LTLFireability-08
FORMULA_NAME ERK-PT-000100-LTLFireability-09
FORMULA_NAME ERK-PT-000100-LTLFireability-10
FORMULA_NAME ERK-PT-000100-LTLFireability-11
FORMULA_NAME ERK-PT-000100-LTLFireability-12
FORMULA_NAME ERK-PT-000100-LTLFireability-13
FORMULA_NAME ERK-PT-000100-LTLFireability-14
FORMULA_NAME ERK-PT-000100-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1552714634531

Working with output stream class java.io.PrintStream
Using solver Z3 to compute partial order matrices.
Built C files in :
/home/mcc/execution
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201903111103/bin/its-ltl-linux64, --gc-threshold, 2000000, -i, /home/mcc/execution/LTLFireability.pnml.gal, -t, CGAL, -LTL, /home/mcc/execution/LTLFireability.ltl, -c, -stutter-deadlock], workingDir=/home/mcc/execution]

its-ltl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201903111103/bin/its-ltl-linux64 --gc-threshold 2000000 -i /home/mcc/execution/LTLFireability.pnml.gal -t CGAL -LTL /home/mcc/execution/LTLFireability.ltl -c -stutter-deadlock
Read 16 LTL properties
Checking formula 0 : !((X((X("((MEKPP>=1)&&(ERK>=1))"))U(F(X("((Raf1Star_RKIP>=1)&&(ERKPP>=1))"))))))
Formula 0 simplified : !X(X"((MEKPP>=1)&&(ERK>=1))" U FX"((Raf1Star_RKIP>=1)&&(ERKPP>=1))")
Presburger conditions satisfied. Using coverability to approximate state space in K-Induction.
// Phase 1: matrix 11 rows 11 cols
invariant :MEKPP_ERK + MEKPP = 100
invariant :RKIP + Raf1Star_RKIP + Raf1Star_RKIP_ERKPP + RKIPP + -1'RP = 0
invariant :ERKPP + Raf1Star_RKIP_ERKPP + -1'MEKPP + ERK = 0
invariant :RKIPP_RP + RP = 100
invariant :Raf1Star + Raf1Star_RKIP + Raf1Star_RKIP_ERKPP = 100
Running compilation step : CommandLine [args=[gcc, -c, -I/home/mcc/BenchKit//lts_install_dir//include, -I., -std=c99, -fPIC, -O2, model.c], workingDir=/home/mcc/execution]
Compilation finished in 427 ms.
Running link step : CommandLine [args=[gcc, -shared, -o, gal.so, model.o], workingDir=/home/mcc/execution]
Link finished in 51 ms.
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, --when, --ltl, X((X((LTLAP0==true)))U(<>(X((LTLAP1==true))))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 290 ms.
FORMULA ERK-PT-000100-LTLFireability-00 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, --when, --ltl, []((X((LTLAP2==true)))U((LTLAP3==true))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 209 ms.
FORMULA ERK-PT-000100-LTLFireability-01 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, -p, --pins-guards, --when, --ltl, (LTLAP0==true), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 442 ms.
FORMULA ERK-PT-000100-LTLFireability-02 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, -p, --pins-guards, --when, --ltl, []((LTLAP4==true)), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 66 ms.
FORMULA ERK-PT-000100-LTLFireability-03 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, -p, --pins-guards, --when, --ltl, (<>(((LTLAP2==true))U((LTLAP3==true))))U([](((LTLAP2==true))U((LTLAP2==true)))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 42 ms.
FORMULA ERK-PT-000100-LTLFireability-04 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, --when, --ltl, X([]((X((LTLAP1==true)))U(<>((LTLAP4==true))))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 75 ms.
FORMULA ERK-PT-000100-LTLFireability-05 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, -p, --pins-guards, --when, --ltl, <>([](([]((LTLAP5==true)))U(<>((LTLAP1==true))))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 43 ms.
FORMULA ERK-PT-000100-LTLFireability-06 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, -p, --pins-guards, --when, --ltl, []((LTLAP6==true)), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 358 ms.
FORMULA ERK-PT-000100-LTLFireability-07 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, --when, --ltl, <>([](X((LTLAP2==true)))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 212 ms.
FORMULA ERK-PT-000100-LTLFireability-08 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, -p, --pins-guards, --when, --ltl, <>((((LTLAP5==true))U((LTLAP1==true)))U([]([]((LTLAP3==true))))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 340 ms.
FORMULA ERK-PT-000100-LTLFireability-09 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, -p, --pins-guards, --when, --ltl, []((((LTLAP3==true))U((LTLAP2==true)))U(<>((LTLAP1==true)))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 41 ms.
FORMULA ERK-PT-000100-LTLFireability-10 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, --when, --ltl, [](<>(<>(X([]((LTLAP1==true)))))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 33 ms.
FORMULA ERK-PT-000100-LTLFireability-11 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, -p, --pins-guards, --when, --ltl, ((<>((LTLAP5==true)))U([]((LTLAP6==true))))U([]([]((LTLAP4==true)))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 46 ms.
FORMULA ERK-PT-000100-LTLFireability-12 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, --when, --ltl, X((((LTLAP3==true))U((LTLAP2==true)))U(((LTLAP2==true))U((LTLAP3==true)))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 270 ms.
FORMULA ERK-PT-000100-LTLFireability-13 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, --when, --ltl, (([]((LTLAP5==true)))U(X((LTLAP6==true))))U(X(X([]((LTLAP1==true))))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 182 ms.
FORMULA ERK-PT-000100-LTLFireability-14 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit//lts_install_dir//bin/pins2lts-mc, ./gal.so, --threads=8, --when, --ltl, X([]((X((LTLAP6==true)))U((LTLAP6==true)))), --buchi-type=spotba], workingDir=/home/mcc/execution]
LTSmin run took 28393 ms.
FORMULA ERK-PT-000100-LTLFireability-15 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
ITS tools runner thread asked to quit. Dying gracefully.

BK_STOP 1552714670715

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

+ export BINDIR=/home/mcc/BenchKit/
+ BINDIR=/home/mcc/BenchKit/
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit//runeclipse.sh /home/mcc/execution LTLFireability -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 LTLFireability -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 5:37:16 AM fr.lip6.move.gal.application.Application start
INFO: Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -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 5:37:16 AM fr.lip6.move.gal.application.MccTranslator transformPNML
INFO: Parsing pnml file : /home/mcc/execution/model.pnml
Mar 16, 2019 5:37:16 AM fr.lip6.move.gal.nupn.PTNetReader loadFromXML
INFO: Load time of PNML (sax parser for PT used): 31 ms
Mar 16, 2019 5:37:16 AM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 11 places.
Mar 16, 2019 5:37:17 AM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 11 transitions.
Mar 16, 2019 5:37:17 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/model.pnml.img.gal : 7 ms
Mar 16, 2019 5:37:17 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 21 ms
Mar 16, 2019 5:37:17 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/LTLFireability.pnml.gal : 2 ms
Mar 16, 2019 5:37:17 AM fr.lip6.move.serialization.SerializationUtil serializePropertiesForITSLTLTools
INFO: Time to serialize properties into /home/mcc/execution/LTLFireability.ltl : 4 ms
Mar 16, 2019 5:37:17 AM fr.lip6.move.gal.semantics.DeterministicNextBuilder getDeterministicNext
INFO: Input system was already deterministic with 11 transitions.
Mar 16, 2019 5:37:17 AM fr.lip6.move.gal.gal2smt.bmc.KInductionSolver computeAndDeclareInvariants
INFO: Computed 5 place invariants in 7 ms
Mar 16, 2019 5:37:17 AM fr.lip6.move.gal.gal2smt.bmc.KInductionSolver init
INFO: Proved 11 variables to be positive in 71 ms
Mar 16, 2019 5:37:17 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeAblingMatrix
INFO: Computing symmetric may disable matrix : 11 transitions.
Mar 16, 2019 5:37:17 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of disable matrix completed :0/11 took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
Mar 16, 2019 5:37:17 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
Mar 16, 2019 5:37:17 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeAblingMatrix
INFO: Computing symmetric may enable matrix : 11 transitions.
Mar 16, 2019 5:37:17 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
Mar 16, 2019 5:37:17 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeCoEnablingMatrix
INFO: Computing symmetric co enabling matrix : 11 transitions.
Mar 16, 2019 5:37:17 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Finished co-enabling matrix. took 157 ms. Total solver calls (SAT/UNSAT): 24(24/0)
Mar 16, 2019 5:37:17 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver computeDoNotAccord
INFO: Computing Do-Not-Accords matrix : 11 transitions.
Mar 16, 2019 5:37:18 AM fr.lip6.move.gal.gal2smt.bmc.NecessaryEnablingsolver printStats
INFO: Computation of Completed DNA matrix. took 68 ms. Total solver calls (SAT/UNSAT): 20(0/20)
Mar 16, 2019 5:37:18 AM fr.lip6.move.gal.gal2pins.Gal2PinsTransformerNext transform
INFO: Built C files in 706ms conformant to PINS in folder :/home/mcc/execution

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="ERK-PT-000100"
export BK_EXAMINATION="LTLFireability"
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 2-3957"
echo " Executing tool itstools"
echo " Input is ERK-PT-000100, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r074-smll-155234739100133"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ERK-PT-000100.tgz
mv ERK-PT-000100 execution
cd execution
if [ "LTLFireability" = "GlobalProperties" ] ; then
rm -f GenericPropertiesVerdict.xml
fi
if [ "LTLFireability" = "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 [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLFireability.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 '' LTLFireability.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 ;