fond
Model Checking Contest 2024
14th edition, Geneva, Switzerland, June 25, 2024
Execution of r225-tall-171649613700262
Last Updated
July 7, 2024

About the Execution of LoLA for LamportFastMutEx-PT-2

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
190.888 1162.00 1149.00 7.50 FTFTTTFTTFFFFFTF normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r225-tall-171649613700262.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5568
Executing tool lola
Input is LamportFastMutEx-PT-2, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r225-tall-171649613700262
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 644K
-rw-r--r-- 1 mcc users 16K Apr 13 07:34 CTLCardinality.txt
-rw-r--r-- 1 mcc users 131K Apr 13 07:34 CTLCardinality.xml
-rw-r--r-- 1 mcc users 12K Apr 13 07:33 CTLFireability.txt
-rw-r--r-- 1 mcc users 82K Apr 13 07:33 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 5.9K Apr 22 14:51 LTLCardinality.txt
-rw-r--r-- 1 mcc users 33K Apr 22 14:51 LTLCardinality.xml
-rw-r--r-- 1 mcc users 4.4K Apr 22 14:51 LTLFireability.txt
-rw-r--r-- 1 mcc users 26K Apr 22 14:51 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Apr 13 07:36 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 111K Apr 13 07:36 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 14K Apr 13 07:35 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 85K Apr 13 07:35 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.1K Apr 22 14:51 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.7K Apr 22 14:51 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 2 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 48K May 18 16:42 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 LamportFastMutEx-PT-2-ReachabilityCardinality-2024-00
FORMULA_NAME LamportFastMutEx-PT-2-ReachabilityCardinality-2024-01
FORMULA_NAME LamportFastMutEx-PT-2-ReachabilityCardinality-2024-02
FORMULA_NAME LamportFastMutEx-PT-2-ReachabilityCardinality-2024-03
FORMULA_NAME LamportFastMutEx-PT-2-ReachabilityCardinality-2024-04
FORMULA_NAME LamportFastMutEx-PT-2-ReachabilityCardinality-2024-05
FORMULA_NAME LamportFastMutEx-PT-2-ReachabilityCardinality-2024-06
FORMULA_NAME LamportFastMutEx-PT-2-ReachabilityCardinality-2024-07
FORMULA_NAME LamportFastMutEx-PT-2-ReachabilityCardinality-2024-08
FORMULA_NAME LamportFastMutEx-PT-2-ReachabilityCardinality-2024-09
FORMULA_NAME LamportFastMutEx-PT-2-ReachabilityCardinality-2024-10
FORMULA_NAME LamportFastMutEx-PT-2-ReachabilityCardinality-2024-11
FORMULA_NAME LamportFastMutEx-PT-2-ReachabilityCardinality-2024-12
FORMULA_NAME LamportFastMutEx-PT-2-ReachabilityCardinality-2024-13
FORMULA_NAME LamportFastMutEx-PT-2-ReachabilityCardinality-2024-14
FORMULA_NAME LamportFastMutEx-PT-2-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1717053711221

FORMULA LamportFastMutEx-PT-2-ReachabilityCardinality-2024-09 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA LamportFastMutEx-PT-2-ReachabilityCardinality-2024-01 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA LamportFastMutEx-PT-2-ReachabilityCardinality-2024-00 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA LamportFastMutEx-PT-2-ReachabilityCardinality-2024-02 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA LamportFastMutEx-PT-2-ReachabilityCardinality-2024-03 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA LamportFastMutEx-PT-2-ReachabilityCardinality-2024-07 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA LamportFastMutEx-PT-2-ReachabilityCardinality-2024-10 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA LamportFastMutEx-PT-2-ReachabilityCardinality-2024-11 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA LamportFastMutEx-PT-2-ReachabilityCardinality-2024-04 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA LamportFastMutEx-PT-2-ReachabilityCardinality-2024-08 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA LamportFastMutEx-PT-2-ReachabilityCardinality-2024-15 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA LamportFastMutEx-PT-2-ReachabilityCardinality-2024-12 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA LamportFastMutEx-PT-2-ReachabilityCardinality-2024-13 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA LamportFastMutEx-PT-2-ReachabilityCardinality-2024-05 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA LamportFastMutEx-PT-2-ReachabilityCardinality-2024-14 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA LamportFastMutEx-PT-2-ReachabilityCardinality-2024-06 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
[lola] FINAL RESULTS
[lola]  FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
[lola] LamportFastMutEx-PT-2-ReachabilityCardinality-2024-00: INITIAL false preprocessing
[lola] LamportFastMutEx-PT-2-ReachabilityCardinality-2024-01: INITIAL true preprocessing
[lola] LamportFastMutEx-PT-2-ReachabilityCardinality-2024-02: INITIAL false preprocessing
[lola] LamportFastMutEx-PT-2-ReachabilityCardinality-2024-03: INITIAL true preprocessing
[lola] LamportFastMutEx-PT-2-ReachabilityCardinality-2024-04: INITIAL true preprocessing
[lola] LamportFastMutEx-PT-2-ReachabilityCardinality-2024-05: EF true findpath
[lola] LamportFastMutEx-PT-2-ReachabilityCardinality-2024-06: AG false findpath
[lola] LamportFastMutEx-PT-2-ReachabilityCardinality-2024-07: INITIAL true preprocessing
[lola] LamportFastMutEx-PT-2-ReachabilityCardinality-2024-08: INITIAL true preprocessing
[lola] LamportFastMutEx-PT-2-ReachabilityCardinality-2024-09: INITIAL false preprocessing
[lola] LamportFastMutEx-PT-2-ReachabilityCardinality-2024-10: INITIAL false preprocessing
[lola] LamportFastMutEx-PT-2-ReachabilityCardinality-2024-11: INITIAL false preprocessing
[lola] LamportFastMutEx-PT-2-ReachabilityCardinality-2024-12: AG false state space
[lola] LamportFastMutEx-PT-2-ReachabilityCardinality-2024-13: AG false findpath
[lola] LamportFastMutEx-PT-2-ReachabilityCardinality-2024-14: EF true state space
[lola] LamportFastMutEx-PT-2-ReachabilityCardinality-2024-15: AG false state space
[lola]
[lola] Time elapsed: 1 secs. Pages in use: 1

BK_STOP 1717053712383

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

[lola][I] LoLA will run for 3600 seconds at most (--timelimit)
[lola][W] unknown unit in memory specification: using default
[lola][I] MEM LIMIT 5
[lola][I] NET
[lola][I] reading net from model.pnml
[lola][I] input: PNML file (--pnmlnet)
[lola][I] reading pnml
[lola][I] PNML file contains place/transition net
[lola][I] closed net file model.pnml
[lola][I] finished parsing
[lola][I] Reading formula.
[lola][I] Using XML format (--xmlformula)
[lola][I] reading XML formula
[lola][I] reading formula from ReachabilityCardinality.xml
[lola][I] LAUNCH task # 28 (type CNST) for 27 LamportFastMutEx-PT-2-ReachabilityCardinality-2024-09
[lola][I] time limit : 0 sec
[lola][I] memory limit: 0 pages
[lola][I] Rule S: 34 transitions removed,25 places removed
[lola][I] FINISHED task # 28 (type CNST) for LamportFastMutEx-PT-2-ReachabilityCardinality-2024-09
[lola][I] result : false
[lola][I] LAUNCH task # 4 (type CNST) for 3 LamportFastMutEx-PT-2-ReachabilityCardinality-2024-01
[lola][I] time limit : 0 sec
[lola][I] memory limit: 0 pages
[lola][I] FINISHED task # 4 (type CNST) for LamportFastMutEx-PT-2-ReachabilityCardinality-2024-01
[lola][I] result : true
[lola][I] LAUNCH task # 1 (type CNST) for 0 LamportFastMutEx-PT-2-ReachabilityCardinality-2024-00
[lola][I] time limit : 0 sec
[lola][I] memory limit: 0 pages
[lola][I] FINISHED task # 1 (type CNST) for LamportFastMutEx-PT-2-ReachabilityCardinality-2024-00
[lola][I] result : false
[lola][I] LAUNCH task # 7 (type CNST) for 6 LamportFastMutEx-PT-2-ReachabilityCardinality-2024-02
[lola][I] time limit : 0 sec
[lola][I] memory limit: 0 pages
[lola][I] LAUNCH task # 10 (type CNST) for 9 LamportFastMutEx-PT-2-ReachabilityCardinality-2024-03
[lola][I] time limit : 0 sec
[lola][I] memory limit: 0 pages
[lola][I] LAUNCH task # 22 (type CNST) for 21 LamportFastMutEx-PT-2-ReachabilityCardinality-2024-07
[lola][I] time limit : 0 sec
[lola][I] memory limit: 0 pages
[lola][I] LAUNCH task # 31 (type CNST) for 30 LamportFastMutEx-PT-2-ReachabilityCardinality-2024-10
[lola][I] time limit : 0 sec
[lola][I] memory limit: 0 pages
[lola][I] LAUNCH task # 34 (type CNST) for 33 LamportFastMutEx-PT-2-ReachabilityCardinality-2024-11
[lola][I] time limit : 0 sec
[lola][I] memory limit: 0 pages
[lola][I] FINISHED task # 31 (type CNST) for LamportFastMutEx-PT-2-ReachabilityCardinality-2024-10
[lola][I] result : false
[lola][I] FINISHED task # 7 (type CNST) for LamportFastMutEx-PT-2-ReachabilityCardinality-2024-02
[lola][I] result : false
[lola][I] FINISHED task # 10 (type CNST) for LamportFastMutEx-PT-2-ReachabilityCardinality-2024-03
[lola][I] result : true
[lola][I] FINISHED task # 22 (type CNST) for LamportFastMutEx-PT-2-ReachabilityCardinality-2024-07
[lola][I] result : true
[lola][I] FINISHED task # 34 (type CNST) for LamportFastMutEx-PT-2-ReachabilityCardinality-2024-11
[lola][I] result : false
[lola][I] LAUNCH task # 13 (type CNST) for 12 LamportFastMutEx-PT-2-ReachabilityCardinality-2024-04
[lola][I] time limit : 0 sec
[lola][I] memory limit: 0 pages
[lola][I] LAUNCH task # 59 (type EXCL) for 45 LamportFastMutEx-PT-2-ReachabilityCardinality-2024-15
[lola][I] time limit : 449 sec
[lola][I] memory limit: 2000 pages
[lola][I] LAUNCH task # 53 (type FNDP) for 39 LamportFastMutEx-PT-2-ReachabilityCardinality-2024-13
[lola][I] time limit : 32000000 sec
[lola][I] memory limit: 5 pages
[lola][I] LAUNCH task # 54 (type EQUN) for 39 LamportFastMutEx-PT-2-ReachabilityCardinality-2024-13
[lola][I] time limit : 32000000 sec
[lola][I] memory limit: 5 pages
[lola][I] LAUNCH task # 25 (type CNST) for 24 LamportFastMutEx-PT-2-ReachabilityCardinality-2024-08
[lola][I] time limit : 0 sec
[lola][I] memory limit: 0 pages
[lola][I] FINISHED task # 13 (type CNST) for LamportFastMutEx-PT-2-ReachabilityCardinality-2024-04
[lola][I] result : true
[lola][I] FINISHED task # 25 (type CNST) for LamportFastMutEx-PT-2-ReachabilityCardinality-2024-08
[lola][I] result : true
[lola][I] LAUNCH task # 60 (type FNDP) for 15 LamportFastMutEx-PT-2-ReachabilityCardinality-2024-05
[lola][I] time limit : 32000000 sec
[lola][I] memory limit: 5 pages
[lola][I] FINISHED task # 59 (type EXCL) for LamportFastMutEx-PT-2-ReachabilityCardinality-2024-15
[lola][I] result : true
[lola][I] markings : 8
[lola][I] fired transitions : 7
[lola][I] time used : 0
[lola][I] memory pages used : 1
[lola][I] LAUNCH task # 69 (type EXCL) for 36 LamportFastMutEx-PT-2-ReachabilityCardinality-2024-12
[lola][I] time limit : 719 sec
[lola][I] memory limit: 2000 pages
[lola][I] FINISHED task # 69 (type EXCL) for LamportFastMutEx-PT-2-ReachabilityCardinality-2024-12
[lola][I] result : true
[lola][I] time used : 0
[lola][I] memory pages used : 1
[lola][I] LAUNCH task # 67 (type EXCL) for 42 LamportFastMutEx-PT-2-ReachabilityCardinality-2024-14
[lola][I] time limit : 899 sec
[lola][I] memory limit: 2000 pages
[lola][I] FINISHED task # 53 (type FNDP) for LamportFastMutEx-PT-2-ReachabilityCardinality-2024-13
[lola][I] result : true
[lola][I] tried executions : 1
[lola][I] time used : 0
[lola][I] memory pages used : 0
[lola][W] CANCELED task # 54 (type EQUN) for LamportFastMutEx-PT-2-ReachabilityCardinality-2024-13 (obsolete)
[lola][I] LAUNCH task # 49 (type FNDP) for 18 LamportFastMutEx-PT-2-ReachabilityCardinality-2024-06
[lola][I] time limit : 32000000 sec
[lola][I] memory limit: 5 pages
[lola][I] LAUNCH task # 50 (type EQUN) for 18 LamportFastMutEx-PT-2-ReachabilityCardinality-2024-06
[lola][I] time limit : 32000000 sec
[lola][I] memory limit: 5 pages
[lola][I] FINISHED task # 60 (type FNDP) for LamportFastMutEx-PT-2-ReachabilityCardinality-2024-05
[lola][I] result : true
[lola][I] tried executions : 1
[lola][I] time used : 0
[lola][I] memory pages used : 0
[lola][I] LAUNCH task # 63 (type FNDP) for 42 LamportFastMutEx-PT-2-ReachabilityCardinality-2024-14
[lola][I] time limit : 32000000 sec
[lola][I] memory limit: 5 pages
[lola][I] FINISHED task # 67 (type EXCL) for LamportFastMutEx-PT-2-ReachabilityCardinality-2024-14
[lola][I] result : true
[lola][I] markings : 2
[lola][I] fired transitions : 1
[lola][I] time used : 0
[lola][I] memory pages used : 1
[lola][W] CANCELED task # 63 (type FNDP) for LamportFastMutEx-PT-2-ReachabilityCardinality-2024-14 (obsolete)
[lola][I] LAUNCH task # 51 (type EXCL) for 18 LamportFastMutEx-PT-2-ReachabilityCardinality-2024-06
[lola][I] time limit : 3599 sec
[lola][I] memory limit: 2000 pages
[lola][I] FINISHED task # 49 (type FNDP) for LamportFastMutEx-PT-2-ReachabilityCardinality-2024-06
[lola][I] result : true
[lola][I] tried executions : 1
[lola][I] time used : 0
[lola][I] memory pages used : 0
[lola][W] CANCELED task # 50 (type EQUN) for LamportFastMutEx-PT-2-ReachabilityCardinality-2024-06 (obsolete)
[lola][W] CANCELED task # 51 (type EXCL) for LamportFastMutEx-PT-2-ReachabilityCardinality-2024-06 (obsolete)
[lola][I] Portfolio finished: no open formulas

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="LamportFastMutEx-PT-2"
export BK_EXAMINATION="ReachabilityCardinality"
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 2-5568"
echo " Executing tool lola"
echo " Input is LamportFastMutEx-PT-2, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r225-tall-171649613700262"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

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