fond
Model Checking Contest 2021
11th edition, Paris, France, June 23, 2021
Execution of r213-tall-162098199600071
Last Updated
Jun 28, 2021

About the Execution of LoLA for SharedMemory-COL-002000

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
1387.960 5461.00 5339.00 2.50 [undef] Cannot compute

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2021-input.r213-tall-162098199600071.qcow2', fmt=qcow2 size=4294967296 backing_file='/data/fkordon/mcc2021-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
..................
=====================================================================
Generated by BenchKit 2-4028
Executing tool lola
Input is SharedMemory-COL-002000, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r213-tall-162098199600071
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 424K
-rw-r--r-- 1 mcc users 11K May 5 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 84K May 10 09:44 CTLCardinality.xml
-rw-r--r-- 1 mcc users 13K May 5 16:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 86K May 10 09:44 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 6 14:48 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K May 6 14:48 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.5K Mar 28 16:35 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Mar 28 16:35 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 28 16:35 LTLFireability.txt
-rw-r--r-- 1 mcc users 15K Mar 28 16:35 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Mar 27 11:50 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 16K Mar 27 11:50 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 3.1K Mar 25 17:38 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 15K Mar 25 17:38 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 22 08:16 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 22 08:16 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 5 16:52 equiv_pt
-rw-r--r-- 1 mcc users 7 May 5 16:52 instance
-rw-r--r-- 1 mcc users 5 May 5 16:52 iscolored
-rw-r--r-- 1 mcc users 100K May 5 16:52 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 SharedMemory-COL-002000-ReachabilityFireability-00
FORMULA_NAME SharedMemory-COL-002000-ReachabilityFireability-01
FORMULA_NAME SharedMemory-COL-002000-ReachabilityFireability-02
FORMULA_NAME SharedMemory-COL-002000-ReachabilityFireability-03
FORMULA_NAME SharedMemory-COL-002000-ReachabilityFireability-04
FORMULA_NAME SharedMemory-COL-002000-ReachabilityFireability-05
FORMULA_NAME SharedMemory-COL-002000-ReachabilityFireability-06
FORMULA_NAME SharedMemory-COL-002000-ReachabilityFireability-07
FORMULA_NAME SharedMemory-COL-002000-ReachabilityFireability-08
FORMULA_NAME SharedMemory-COL-002000-ReachabilityFireability-09
FORMULA_NAME SharedMemory-COL-002000-ReachabilityFireability-10
FORMULA_NAME SharedMemory-COL-002000-ReachabilityFireability-11
FORMULA_NAME SharedMemory-COL-002000-ReachabilityFireability-12
FORMULA_NAME SharedMemory-COL-002000-ReachabilityFireability-13
FORMULA_NAME SharedMemory-COL-002000-ReachabilityFireability-14
FORMULA_NAME SharedMemory-COL-002000-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1621015263931

starting LoLA
BK_INPUT SharedMemory-COL-002000
BK_EXAMINATION: ReachabilityFireability
bin directory: /home/mcc/BenchKit/bin
current directory: /home/mcc/execution
ReachabilityFireability

BK_STOP 1621015269392

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

lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/model.pnml
lola: reading pnml
lola: PNML file contains High-Level net
lola: finished parsing
lola: closed net file /home/mcc/execution/model.pnml
lola: Reading HL formula in XML format (--xmlformula)
lola: reading formula from /home/mcc/execution/ReachabilityFireability.xml
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: LAUNCH task # 64 (type SKEL/FNDP) for 9 SharedMemory-COL-002000-ReachabilityFireability-03
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 65 (type SKEL/EQUN) for 9 SharedMemory-COL-002000-ReachabilityFireability-03
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 67 (type SKEL/SRCH) for 9 SharedMemory-COL-002000-ReachabilityFireability-03
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 68 (type SKEL/SRCH) for 9 SharedMemory-COL-002000-ReachabilityFireability-03
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: FINISHED task # 67 (type SKEL/SRCH) for SharedMemory-COL-002000-ReachabilityFireability-03
lola: result : true
lola: markings : 2
lola: fired transitions : 1
lola: time used : 0.000000
lola: memory pages used : 1
lola: CANCELED task # 64 (type FNDP) for SharedMemory-COL-002000-ReachabilityFireability-03 (obsolete)
lola: CANCELED task # 65 (type EQUN) for SharedMemory-COL-002000-ReachabilityFireability-03 (obsolete)
lola: CANCELED task # 68 (type SRCH) for SharedMemory-COL-002000-ReachabilityFireability-03 (obsolete)
lola: LAUNCH task # 49 (type SKEL/FNDP) for 0 SharedMemory-COL-002000-ReachabilityFireability-00
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: LAUNCH task # 50 (type SKEL/EQUN) for 0 SharedMemory-COL-002000-ReachabilityFireability-00
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 52 (type SKEL/SRCH) for 0 SharedMemory-COL-002000-ReachabilityFireability-00
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 53 (type SKEL/SRCH) for 0 SharedMemory-COL-002000-ReachabilityFireability-00
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: FINISHED task # 52 (type SKEL/SRCH) for SharedMemory-COL-002000-ReachabilityFireability-00
lola: result : true
lola: markings : 2
lola: fired transitions : 1
lola: time used : 0.000000
lola: memory pages used : 1
lola: CANCELED task # 49 (type FNDP) for SharedMemory-COL-002000-ReachabilityFireability-00 (obsolete)
lola: CANCELED task # 50 (type EQUN) for SharedMemory-COL-002000-ReachabilityFireability-00 (obsolete)
lola: CANCELED task # 53 (type SRCH) for SharedMemory-COL-002000-ReachabilityFireability-00 (obsolete)
lola: LAUNCH task # 72 (type SKEL/FNDP) for 12 SharedMemory-COL-002000-ReachabilityFireability-04
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 73 (type SKEL/EQUN) for 12 SharedMemory-COL-002000-ReachabilityFireability-04
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: LAUNCH task # 75 (type SKEL/SRCH) for 12 SharedMemory-COL-002000-ReachabilityFireability-04
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 76 (type SKEL/SRCH) for 12 SharedMemory-COL-002000-ReachabilityFireability-04
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: FINISHED task # 64 (type SKEL/FNDP) for SharedMemory-COL-002000-ReachabilityFireability-03
lola: result : true
lola: tried executions : 1
lola: time used : 0.000000
lola: memory pages used : 0
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: FINISHED task # 49 (type SKEL/FNDP) for SharedMemory-COL-002000-ReachabilityFireability-00
lola: result : true
lola: tried executions : 1
lola: time used : 0.000000
lola: memory pages used : 0
lola: FINISHED task # 72 (type SKEL/FNDP) for SharedMemory-COL-002000-ReachabilityFireability-04
lola: result : true
lola: tried executions : 1
lola: time used : 0.000000
lola: memory pages used : 0
lola: TR BINDINGS
lola: CANCELED task # 73 (type EQUN) for SharedMemory-COL-002000-ReachabilityFireability-04 (obsolete)
lola: CANCELED task # 75 (type SRCH) for SharedMemory-COL-002000-ReachabilityFireability-04 (obsolete)
lola: CANCELED task # 76 (type SRCH) for SharedMemory-COL-002000-ReachabilityFireability-04 (obsolete)
lola: LAUNCH task # 79 (type SKEL/FNDP) for 21 SharedMemory-COL-002000-ReachabilityFireability-07
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 80 (type SKEL/EQUN) for 21 SharedMemory-COL-002000-ReachabilityFireability-07
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 82 (type SKEL/SRCH) for 21 SharedMemory-COL-002000-ReachabilityFireability-07
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 83 (type SKEL/SRCH) for 21 SharedMemory-COL-002000-ReachabilityFireability-07
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: FINISHED task # 73 (type SKEL/EQUN) for SharedMemory-COL-002000-ReachabilityFireability-04
lola: result : unknown
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: FINISHED task # 82 (type SKEL/SRCH) for SharedMemory-COL-002000-ReachabilityFireability-07
lola: result : true
lola: markings : 2
lola: fired transitions : 1
lola: time used : 0.000000
lola: memory pages used : 1
lola: CANCELED task # 79 (type FNDP) for SharedMemory-COL-002000-ReachabilityFireability-07 (obsolete)
lola: CANCELED task # 80 (type EQUN) for SharedMemory-COL-002000-ReachabilityFireability-07 (obsolete)
lola: CANCELED task # 83 (type SRCH) for SharedMemory-COL-002000-ReachabilityFireability-07 (obsolete)
lola: sara: LAUNCH task # 57 (type SKEL/FNDP) for 36 SharedMemory-COL-002000-ReachabilityFireability-12try reading problem file /home/mcc/execution/ReachabilityFireability-50.sara.

lola: sara: try reading problem file /home/mcc/execution/ReachabilityFireability-65.sara.
time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 58 (type SKEL/EQUN) for 36 SharedMemory-COL-002000-ReachabilityFireability-12
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: LAUNCH task # 60 (type SKEL/SRCH) for 36 SharedMemory-COL-002000-ReachabilityFireability-12
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 61 (type SKEL/SRCH) for 36 SharedMemory-COL-002000-ReachabilityFireability-12
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
sara: place or transition ordering is non-deterministic
lola: FINISHED task # 61 (type SKEL/SRCH) for SharedMemory-COL-002000-ReachabilityFireability-12
lola: result : true
lola: markings : 1
lola: time used : 0.000000

lola: memory pages used : 1
lola: FINISHED task # 60 (type SKEL/SRCH) for SharedMemory-COL-002000-ReachabilityFireability-12
lola: result : true
lola: time used : 0.000000
lola: memory pages used : 1

lola: FINISHED task # 57 (type SKEL/FNDP) for SharedMemory-COL-002000-ReachabilityFireability-12
lola: result : true
lola: tried executions : 1
lola: time used : 0.000000
lola: memory pages used : 0
lola: CANCELED task # 58 (type EQUN) for SharedMemory-COL-002000-ReachabilityFireability-12 (obsolete)
sara: try reading problem file /home/mcc/execution/ReachabilityFireability-80.sara.
sara: place or transition ordering is non-deterministic

lola: FINISHED task # 50 (type SKEL/EQUN) for SharedMemory-COL-002000-ReachabilityFireability-00
lola: result : true
sara: try reading problem file /home/mcc/execution/ReachabilityFireability-58.sara.
lola: FINISHED task # 65 (type SKEL/EQUN) for SharedMemory-COL-002000-ReachabilityFireability-03
lola: result : true

lola: FINISHED task # 79 (type SKEL/FNDP) for SharedMemory-COL-002000-ReachabilityFireability-07
lola: result : true
lola: tried executions : 1
lola: time used : 0.000000
lola: memory pages used : 0
lola: FINISHED task # 80 (type SKEL/EQUN) for SharedMemory-COL-002000-ReachabilityFireability-07
lola: result : true
lola: FINISHED task # 58 (type SKEL/EQUN) for SharedMemory-COL-002000-ReachabilityFireability-12
lola: result : true
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY

PENDING FORMULAS: CATEGORY IDL ACT RUN SUS FIN C/T C/M OBS
SharedMemory-COL-002000-ReachabilityFireability-00: EF 0 0 0 0 3 0 0 2
SharedMemory-COL-002000-ReachabilityFireability-01: AG 0 0 0 0 1 0 0 0
SharedMemory-COL-002000-ReachabilityFireability-02: EF 0 0 0 0 1 0 0 0
SharedMemory-COL-002000-ReachabilityFireability-03: EF 0 0 0 0 3 0 0 2
SharedMemory-COL-002000-ReachabilityFireability-04: AG 0 0 0 0 2 0 0 3
SharedMemory-COL-002000-ReachabilityFireability-05: EF 0 0 0 0 1 0 0 0
SharedMemory-COL-002000-ReachabilityFireability-06: AG 0 0 0 0 1 0 0 0
SharedMemory-COL-002000-ReachabilityFireability-07: EF 0 0 0 0 3 0 0 2
SharedMemory-COL-002000-ReachabilityFireability-08: AG 0 0 0 0 1 0 0 0
SharedMemory-COL-002000-ReachabilityFireability-09: EF 0 0 0 0 1 0 0 0
SharedMemory-COL-002000-ReachabilityFireability-10: EF 0 0 0 0 1 0 0 0
SharedMemory-COL-002000-ReachabilityFireability-11: AG 0 0 0 0 1 0 0 0
SharedMemory-COL-002000-ReachabilityFireability-12: AG 0 0 0 0 4 0 0 1
SharedMemory-COL-002000-ReachabilityFireability-13: AG 0 0 0 0 1 0 0 0
SharedMemory-COL-002000-ReachabilityFireability-14: AG 0 0 0 0 1 0 0 0
SharedMemory-COL-002000-ReachabilityFireability-15: AG 0 0 0 0 1 0 0 0

TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS

Time elapsed: 6 secs. Pages in use: 2
# running tasks: 0 of 4 Visible: 16
lola: TR BINDINGS DONE
lola: Places: 4008001, Transitions: 8004000
lola: Place/transition net would exceed node limit
lola: syntax error -- aborting [#01]
lola: see manual for a documentation of this error
lola: last error message: Inappropriate ioctl for device

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
SharedMemory-COL-002000-ReachabilityFireability-00: EF unknown AGGR
SharedMemory-COL-002000-ReachabilityFireability-01: AG unknown AGGR
SharedMemory-COL-002000-ReachabilityFireability-02: EF unknown AGGR
SharedMemory-COL-002000-ReachabilityFireability-03: EF unknown AGGR
SharedMemory-COL-002000-ReachabilityFireability-04: AG unknown AGGR
SharedMemory-COL-002000-ReachabilityFireability-05: EF unknown AGGR
SharedMemory-COL-002000-ReachabilityFireability-06: AG unknown AGGR
SharedMemory-COL-002000-ReachabilityFireability-07: EF unknown AGGR
SharedMemory-COL-002000-ReachabilityFireability-08: AG unknown AGGR
SharedMemory-COL-002000-ReachabilityFireability-09: EF unknown AGGR
SharedMemory-COL-002000-ReachabilityFireability-10: EF unknown AGGR
SharedMemory-COL-002000-ReachabilityFireability-11: AG unknown AGGR
SharedMemory-COL-002000-ReachabilityFireability-12: AG unknown AGGR
SharedMemory-COL-002000-ReachabilityFireability-13: AG unknown AGGR
SharedMemory-COL-002000-ReachabilityFireability-14: AG unknown AGGR
SharedMemory-COL-002000-ReachabilityFireability-15: AG unknown AGGR


Time elapsed: 6 secs. Pages in use: 2

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="SharedMemory-COL-002000"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="lola"
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 lola"
echo " Input is SharedMemory-COL-002000, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r213-tall-162098199600071"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SharedMemory-COL-002000.tgz
mv SharedMemory-COL-002000 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;