fond
Model Checking Contest 2022
12th edition, Bergen, Norway, June 21, 2022
Execution of r060-tall-165254772300669
Last Updated
Jun 22, 2022

About the Execution of ITS-Tools for Diffusion2D-PT-D05N150

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
289.188 8001.00 13722.00 57.70 150 150 150 150 150 150 150 150 150 150 150 150 150 150 150 150 normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2022-input.r060-tall-165254772300669.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2022-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
...............................................................................................................................................................
=====================================================================
Generated by BenchKit 2-4028
Executing tool itstools
Input is Diffusion2D-PT-D05N150, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r060-tall-165254772300669
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 300K
-rw-r--r-- 1 mcc users 8.4K Apr 30 05:16 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K Apr 30 05:16 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.6K Apr 30 05:15 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K Apr 30 05:15 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 10 09:33 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.3K May 9 07:36 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 9 07:36 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K May 9 07:37 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 9 07:37 LTLFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 9 07:37 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 9 07:37 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 10 09:33 equiv_col
-rw-r--r-- 1 mcc users 8 May 10 09:33 instance
-rw-r--r-- 1 mcc users 6 May 10 09:33 iscolored
-rw-r--r-- 1 mcc users 55K May 10 09:33 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 Diffusion2D-PT-D05N150-UpperBounds-00
FORMULA_NAME Diffusion2D-PT-D05N150-UpperBounds-01
FORMULA_NAME Diffusion2D-PT-D05N150-UpperBounds-02
FORMULA_NAME Diffusion2D-PT-D05N150-UpperBounds-03
FORMULA_NAME Diffusion2D-PT-D05N150-UpperBounds-04
FORMULA_NAME Diffusion2D-PT-D05N150-UpperBounds-05
FORMULA_NAME Diffusion2D-PT-D05N150-UpperBounds-06
FORMULA_NAME Diffusion2D-PT-D05N150-UpperBounds-07
FORMULA_NAME Diffusion2D-PT-D05N150-UpperBounds-08
FORMULA_NAME Diffusion2D-PT-D05N150-UpperBounds-09
FORMULA_NAME Diffusion2D-PT-D05N150-UpperBounds-10
FORMULA_NAME Diffusion2D-PT-D05N150-UpperBounds-11
FORMULA_NAME Diffusion2D-PT-D05N150-UpperBounds-12
FORMULA_NAME Diffusion2D-PT-D05N150-UpperBounds-13
FORMULA_NAME Diffusion2D-PT-D05N150-UpperBounds-14
FORMULA_NAME Diffusion2D-PT-D05N150-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1652634856564

Running Version 202205111006
[2022-05-15 17:14:17] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -spotpath, /home/mcc/BenchKit/bin//..//ltlfilt, -z3path, /home/mcc/BenchKit/bin//..//z3/bin/z3, -yices2path, /home/mcc/BenchKit/bin//..//yices/bin/yices, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2022-05-15 17:14:17] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-05-15 17:14:17] [INFO ] Load time of PNML (sax parser for PT used): 68 ms
[2022-05-15 17:14:17] [INFO ] Transformed 25 places.
[2022-05-15 17:14:17] [INFO ] Transformed 144 transitions.
[2022-05-15 17:14:17] [INFO ] Parsed PT model containing 25 places and 144 transitions in 163 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
// Phase 1: matrix 144 rows 25 cols
[2022-05-15 17:14:17] [INFO ] Computed 1 place invariants in 8 ms
FORMULA Diffusion2D-PT-D05N150-UpperBounds-14 150 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10129 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=723 ) properties (out of 15) seen :1353
FORMULA Diffusion2D-PT-D05N150-UpperBounds-15 150 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D05N150-UpperBounds-13 150 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D05N150-UpperBounds-08 150 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D05N150-UpperBounds-06 150 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D05N150-UpperBounds-02 150 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D05N150-UpperBounds-00 150 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties (out of 9) seen :16
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=1250 ) properties (out of 9) seen :21
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=1666 ) properties (out of 9) seen :153
FORMULA Diffusion2D-PT-D05N150-UpperBounds-04 150 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=1666 ) properties (out of 8) seen :20
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=1666 ) properties (out of 8) seen :15
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=1666 ) properties (out of 8) seen :18
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 8) seen :18
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=1666 ) properties (out of 8) seen :26
// Phase 1: matrix 144 rows 25 cols
[2022-05-15 17:14:17] [INFO ] Computed 1 place invariants in 6 ms
[2022-05-15 17:14:18] [INFO ] [Real]Absence check using 1 positive place invariants in 4 ms returned sat
[2022-05-15 17:14:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-15 17:14:18] [INFO ] [Real]Absence check using state equation in 60 ms returned sat
[2022-05-15 17:14:18] [INFO ] Computed and/alt/rep : 136/848/136 causal constraints (skipped 0 transitions) in 17 ms.
[2022-05-15 17:14:18] [INFO ] Solution in real domain found non-integer solution.
[2022-05-15 17:14:18] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2022-05-15 17:14:18] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-15 17:14:18] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2022-05-15 17:14:18] [INFO ] Computed and/alt/rep : 136/848/136 causal constraints (skipped 0 transitions) in 13 ms.
[2022-05-15 17:14:18] [INFO ] Added : 129 causal constraints over 27 iterations in 437 ms. Result :sat
Minimization took 78 ms.
[2022-05-15 17:14:18] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2022-05-15 17:14:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-15 17:14:18] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2022-05-15 17:14:18] [INFO ] Computed and/alt/rep : 136/848/136 causal constraints (skipped 0 transitions) in 12 ms.
[2022-05-15 17:14:18] [INFO ] Solution in real domain found non-integer solution.
[2022-05-15 17:14:18] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2022-05-15 17:14:18] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-15 17:14:18] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2022-05-15 17:14:18] [INFO ] Computed and/alt/rep : 136/848/136 causal constraints (skipped 0 transitions) in 8 ms.
[2022-05-15 17:14:19] [INFO ] Added : 129 causal constraints over 26 iterations in 377 ms. Result :sat
Minimization took 92 ms.
[2022-05-15 17:14:19] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2022-05-15 17:14:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-15 17:14:19] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2022-05-15 17:14:19] [INFO ] Solution in real domain found non-integer solution.
[2022-05-15 17:14:19] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2022-05-15 17:14:19] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-15 17:14:19] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2022-05-15 17:14:19] [INFO ] Computed and/alt/rep : 136/848/136 causal constraints (skipped 0 transitions) in 10 ms.
[2022-05-15 17:14:19] [INFO ] Added : 129 causal constraints over 26 iterations in 371 ms. Result :sat
Minimization took 70 ms.
[2022-05-15 17:14:19] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2022-05-15 17:14:19] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-15 17:14:19] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2022-05-15 17:14:20] [INFO ] Computed and/alt/rep : 136/848/136 causal constraints (skipped 0 transitions) in 9 ms.
[2022-05-15 17:14:20] [INFO ] Solution in real domain found non-integer solution.
[2022-05-15 17:14:20] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2022-05-15 17:14:20] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-15 17:14:20] [INFO ] [Nat]Absence check using state equation in 18 ms returned sat
[2022-05-15 17:14:20] [INFO ] Computed and/alt/rep : 136/848/136 causal constraints (skipped 0 transitions) in 18 ms.
[2022-05-15 17:14:20] [INFO ] Added : 128 causal constraints over 27 iterations in 402 ms. Result :sat
Minimization took 80 ms.
[2022-05-15 17:14:20] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2022-05-15 17:14:20] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-15 17:14:20] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2022-05-15 17:14:20] [INFO ] Computed and/alt/rep : 136/848/136 causal constraints (skipped 0 transitions) in 13 ms.
[2022-05-15 17:14:20] [INFO ] Solution in real domain found non-integer solution.
[2022-05-15 17:14:20] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2022-05-15 17:14:20] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-15 17:14:20] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2022-05-15 17:14:20] [INFO ] Computed and/alt/rep : 136/848/136 causal constraints (skipped 0 transitions) in 9 ms.
[2022-05-15 17:14:21] [INFO ] Added : 128 causal constraints over 26 iterations in 422 ms. Result :sat
Minimization took 84 ms.
[2022-05-15 17:14:21] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2022-05-15 17:14:21] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-15 17:14:21] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2022-05-15 17:14:21] [INFO ] Computed and/alt/rep : 136/848/136 causal constraints (skipped 0 transitions) in 22 ms.
[2022-05-15 17:14:21] [INFO ] Solution in real domain found non-integer solution.
[2022-05-15 17:14:21] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2022-05-15 17:14:21] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-15 17:14:21] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2022-05-15 17:14:21] [INFO ] Computed and/alt/rep : 136/848/136 causal constraints (skipped 0 transitions) in 8 ms.
[2022-05-15 17:14:21] [INFO ] Added : 128 causal constraints over 26 iterations in 368 ms. Result :sat
Minimization took 80 ms.
[2022-05-15 17:14:21] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2022-05-15 17:14:21] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-15 17:14:21] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2022-05-15 17:14:21] [INFO ] Solution in real domain found non-integer solution.
[2022-05-15 17:14:21] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2022-05-15 17:14:21] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-15 17:14:21] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2022-05-15 17:14:21] [INFO ] Computed and/alt/rep : 136/848/136 causal constraints (skipped 0 transitions) in 11 ms.
[2022-05-15 17:14:22] [INFO ] Added : 129 causal constraints over 27 iterations in 399 ms. Result :sat
Minimization took 87 ms.
[2022-05-15 17:14:22] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2022-05-15 17:14:22] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-15 17:14:22] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2022-05-15 17:14:22] [INFO ] Computed and/alt/rep : 136/848/136 causal constraints (skipped 0 transitions) in 9 ms.
[2022-05-15 17:14:22] [INFO ] Solution in real domain found non-integer solution.
[2022-05-15 17:14:22] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2022-05-15 17:14:22] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-15 17:14:22] [INFO ] [Nat]Absence check using state equation in 16 ms returned sat
[2022-05-15 17:14:22] [INFO ] Computed and/alt/rep : 136/848/136 causal constraints (skipped 0 transitions) in 12 ms.
[2022-05-15 17:14:22] [INFO ] Added : 128 causal constraints over 27 iterations in 432 ms. Result :sat
Minimization took 106 ms.
Current structural bounds on expressions (after SMT) : [150, 150, 150, 150, 150, 150, 150, 150] Max seen :[5, 8, 149, 13, 3, 12, 149, 15]
FORMULA Diffusion2D-PT-D05N150-UpperBounds-12 150 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA Diffusion2D-PT-D05N150-UpperBounds-11 150 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA Diffusion2D-PT-D05N150-UpperBounds-10 150 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA Diffusion2D-PT-D05N150-UpperBounds-09 150 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA Diffusion2D-PT-D05N150-UpperBounds-07 150 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA Diffusion2D-PT-D05N150-UpperBounds-05 150 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA Diffusion2D-PT-D05N150-UpperBounds-03 150 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA Diffusion2D-PT-D05N150-UpperBounds-01 150 TECHNIQUES TOPOLOGICAL PARIKH_WALK
All properties solved without resorting to model-checking.
Total runtime 6852 ms.

BK_STOP 1652634864565

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

+ export LANG=C
+ LANG=C
+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ export PYTHONPATH=/usr/lib/python3.9/site-packages/
+ PYTHONPATH=/usr/lib/python3.9/site-packages/
+ export LD_LIBRARY_PATH=/usr/local/lib:
+ LD_LIBRARY_PATH=/usr/local/lib:
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202205111006.jar
+ VERSION=202205111006
+ echo 'Running Version 202205111006'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data @none -pnfolder /home/mcc/execution -examination UpperBounds -spotpath /home/mcc/BenchKit/bin//..//ltlfilt -z3path /home/mcc/BenchKit/bin//..//z3/bin/z3 -yices2path /home/mcc/BenchKit/bin//..//yices/bin/yices -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=@none -Xss128m -Xms40m -Xmx8192m

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-D05N150"
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"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# 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 2-4028"
echo " Executing tool itstools"
echo " Input is Diffusion2D-PT-D05N150, 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 r060-tall-165254772300669"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Diffusion2D-PT-D05N150.tgz
mv Diffusion2D-PT-D05N150 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "StateSpace" ]; 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
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;