fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r126-tall-167814504000655
Last Updated
May 14, 2023

About the Execution of 2022-gold for DNAwalker-PT-01track12Block1

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
268.283 32682.00 111009.00 27.40 FFTTTFFTFFFTFTTT normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r126-tall-167814504000655.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
..................
=====================================================================
Generated by BenchKit 2-5348
Executing tool gold2022
Input is DNAwalker-PT-01track12Block1, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r126-tall-167814504000655
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 536K
-rw-r--r-- 1 mcc users 6.2K Feb 25 12:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 65K Feb 25 12:58 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Feb 25 12:57 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K Feb 25 12:57 CTLFireability.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.0K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 16 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 3.4K Feb 25 15:54 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Feb 25 15:54 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 15:54 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 15:54 LTLFireability.xml
-rw-r--r-- 1 mcc users 36K Mar 5 18:22 model.pnml
-rw-r--r-- 1 mcc users 13K Feb 25 12:59 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 150K Feb 25 12:59 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Feb 25 12:58 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 99K Feb 25 12:58 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 15:54 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 15:54 UpperBounds.xml

--------------------
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 DNAwalker-PT-01track12Block1-CTLCardinality-00
FORMULA_NAME DNAwalker-PT-01track12Block1-CTLCardinality-01
FORMULA_NAME DNAwalker-PT-01track12Block1-CTLCardinality-02
FORMULA_NAME DNAwalker-PT-01track12Block1-CTLCardinality-03
FORMULA_NAME DNAwalker-PT-01track12Block1-CTLCardinality-04
FORMULA_NAME DNAwalker-PT-01track12Block1-CTLCardinality-05
FORMULA_NAME DNAwalker-PT-01track12Block1-CTLCardinality-06
FORMULA_NAME DNAwalker-PT-01track12Block1-CTLCardinality-07
FORMULA_NAME DNAwalker-PT-01track12Block1-CTLCardinality-08
FORMULA_NAME DNAwalker-PT-01track12Block1-CTLCardinality-09
FORMULA_NAME DNAwalker-PT-01track12Block1-CTLCardinality-10
FORMULA_NAME DNAwalker-PT-01track12Block1-CTLCardinality-11
FORMULA_NAME DNAwalker-PT-01track12Block1-CTLCardinality-12
FORMULA_NAME DNAwalker-PT-01track12Block1-CTLCardinality-13
FORMULA_NAME DNAwalker-PT-01track12Block1-CTLCardinality-14
FORMULA_NAME DNAwalker-PT-01track12Block1-CTLCardinality-15

=== Now, execution of the tool begins

BK_START 1678297812560

gold2022
Got BK_BIN_PATH=/home/mcc/BenchKit/bin/
---> gold2022 --- TAPAAL v5
Setting MODEL_PATH=.
Setting VERIFYPN=/home/mcc/BenchKit/bin/verifypn
Got BK_TIME_CONFINEMENT=3600
Setting TEMPDIR=/home/mcc/BenchKit/bin/tmp
Got BK_MEMORY_CONFINEMENT=16384
Limiting to 16265216 kB
Total timeout: 3590
Time left: 3590

*************************************
* TAPAAL verifying CTLCardinality *
*************************************
TEMPDIR=/home/mcc/BenchKit/bin/tmp
QF=/home/mcc/BenchKit/bin/tmp/tmp.EPsQZkxy8z
MF=/home/mcc/BenchKit/bin/tmp/tmp.nEuhMREbZl
Time left: 3590
---------------------------------------------------
Step -1: Stripping Colors
---------------------------------------------------
Verifying stripped models (16 in total)
/home/mcc/BenchKit/bin/verifypn -n -c -q 718 -l 29 -d 299 -z 4 -x 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ./model.pnml ./CTLCardinality.xml
CPN OverApproximation is only usable on colored models
Time left: 3590
---------------------------------------------------
Step 0: Parallel Simplification
---------------------------------------------------
Doing parallel simplification (16 in total)
Total simplification timout is 718 -- reduction timeout is 299
timeout 3590 /home/mcc/BenchKit/bin/verifypn -n -q 718 -l 29 -d 299 -z 4 -s OverApprox --binary-query-io 2 --write-simplified /home/mcc/BenchKit/bin/tmp/tmp.EPsQZkxy8z --write-reduced /home/mcc/BenchKit/bin/tmp/tmp.nEuhMREbZl -x 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ./model.pnml ./CTLCardinality.xml
FORMULA DNAwalker-PT-01track12Block1-CTLCardinality-13 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 13 was solved

Query is satisfied.

FORMULA DNAwalker-PT-01track12Block1-CTLCardinality-14 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 14 was solved

Query is satisfied.
Solution found by parallel simplification (step 0)
Solution found by parallel simplification (step 0)
Time left: 3562

---------------------------------------------------
Step 1: Parallel processing
---------------------------------------------------
Doing parallel verification of individual queries (14 in total)
Each query is verified by 4 parallel strategies for 299 seconds
------------------- QUERY 1 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved

Query is NOT satisfied.

Spent 0.002008 on verification
@@@0.00,6924@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -s\ BestFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.nEuhMREbZl /home/mcc/BenchKit/bin/tmp/tmp.EPsQZkxy8z --binary-query-io 1 -x 1 -n

FORMULA DNAwalker-PT-01track12Block1-CTLCardinality-05 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT EXPLICIT STATE_COMPRESSION STUBBORN_SETS
Time left: 3562
------------------- QUERY 2 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is satisfied.

Spent 0.066604 on verification
@@@0.07,59616@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -s\ BestFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.nEuhMREbZl /home/mcc/BenchKit/bin/tmp/tmp.EPsQZkxy8z --binary-query-io 1 -x 2 -n

FORMULA DNAwalker-PT-01track12Block1-CTLCardinality-03 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3561
------------------- QUERY 3 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is NOT satisfied.

Spent 0.057069 on verification
@@@0.06,59604@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -tar\ -s\ RDFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.nEuhMREbZl /home/mcc/BenchKit/bin/tmp/tmp.EPsQZkxy8z --binary-query-io 1 -x 3 -n

FORMULA DNAwalker-PT-01track12Block1-CTLCardinality-06 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3561
------------------- QUERY 4 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is satisfied.

Spent 0.054331 on verification
@@@0.05,59628@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -s\ BestFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.nEuhMREbZl /home/mcc/BenchKit/bin/tmp/tmp.EPsQZkxy8z --binary-query-io 1 -x 4 -n

FORMULA DNAwalker-PT-01track12Block1-CTLCardinality-07 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3561
------------------- QUERY 5 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is satisfied.

Spent 0.052457 on verification
@@@0.06,59588@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -tar\ -s\ RDFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.nEuhMREbZl /home/mcc/BenchKit/bin/tmp/tmp.EPsQZkxy8z --binary-query-io 1 -x 5 -n

FORMULA DNAwalker-PT-01track12Block1-CTLCardinality-11 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3560
------------------- QUERY 6 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is satisfied.

Spent 0.049537 on verification
@@@0.05,59736@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -s\ BestFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.nEuhMREbZl /home/mcc/BenchKit/bin/tmp/tmp.EPsQZkxy8z --binary-query-io 1 -x 6 -n

FORMULA DNAwalker-PT-01track12Block1-CTLCardinality-02 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3560
------------------- QUERY 7 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is NOT satisfied.

Spent 0.056024 on verification
@@@0.06,59528@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -tar\ -s\ RDFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.nEuhMREbZl /home/mcc/BenchKit/bin/tmp/tmp.EPsQZkxy8z --binary-query-io 1 -x 7 -n

FORMULA DNAwalker-PT-01track12Block1-CTLCardinality-12 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3560
------------------- QUERY 8 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is NOT satisfied.

Spent 0.070801 on verification
@@@0.07,59616@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -s\ BestFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.nEuhMREbZl /home/mcc/BenchKit/bin/tmp/tmp.EPsQZkxy8z --binary-query-io 1 -x 8 -n

FORMULA DNAwalker-PT-01track12Block1-CTLCardinality-08 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3559
------------------- QUERY 9 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is NOT satisfied.

Spent 0.092862 on verification
@@@0.09,59716@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -s\ BestFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.nEuhMREbZl /home/mcc/BenchKit/bin/tmp/tmp.EPsQZkxy8z --binary-query-io 1 -x 9 -n

FORMULA DNAwalker-PT-01track12Block1-CTLCardinality-00 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3559
------------------- QUERY 10 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is NOT satisfied.

Spent 0.096405 on verification
@@@0.10,59508@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -tar\ -s\ RDFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.nEuhMREbZl /home/mcc/BenchKit/bin/tmp/tmp.EPsQZkxy8z --binary-query-io 1 -x 10 -n

FORMULA DNAwalker-PT-01track12Block1-CTLCardinality-01 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3559
------------------- QUERY 11 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is NOT satisfied.

Spent 0.087534 on verification
@@@0.10,59576@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -tar\ -s\ RDFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.nEuhMREbZl /home/mcc/BenchKit/bin/tmp/tmp.EPsQZkxy8z --binary-query-io 1 -x 11 -n

FORMULA DNAwalker-PT-01track12Block1-CTLCardinality-09 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3558
------------------- QUERY 12 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is satisfied.

Spent 0.096449 on verification
@@@0.10,59492@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -tar\ -s\ RDFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.nEuhMREbZl /home/mcc/BenchKit/bin/tmp/tmp.EPsQZkxy8z --binary-query-io 1 -x 12 -n

FORMULA DNAwalker-PT-01track12Block1-CTLCardinality-04 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3558
------------------- QUERY 13 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is NOT satisfied.

Spent 0.077106 on verification
@@@0.08,59636@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -s\ BFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.nEuhMREbZl /home/mcc/BenchKit/bin/tmp/tmp.EPsQZkxy8z --binary-query-io 1 -x 13 -n

FORMULA DNAwalker-PT-01track12Block1-CTLCardinality-10 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3558
------------------- QUERY 14 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is satisfied.

Spent 0.069361 on verification
@@@0.07,59620@@@


Query index 0 was solved
Query is satisfied.

Spent 0.060544 on verification
@@@0.07,59660@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -s\ BestFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.nEuhMREbZl /home/mcc/BenchKit/bin/tmp/tmp.EPsQZkxy8z --binary-query-io 1 -x 14 -n
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -s\ BFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.nEuhMREbZl /home/mcc/BenchKit/bin/tmp/tmp.EPsQZkxy8z --binary-query-io 1 -x 14 -n

FORMULA DNAwalker-PT-01track12Block1-CTLCardinality-15 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3557
All queries are solved
Time left: 3557
terminated-with-cleanup

BK_STOP 1678297845242

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

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="DNAwalker-PT-01track12Block1"
export BK_EXAMINATION="CTLCardinality"
export BK_TOOL="gold2022"
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 2-5348"
echo " Executing tool gold2022"
echo " Input is DNAwalker-PT-01track12Block1, examination is CTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r126-tall-167814504000655"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DNAwalker-PT-01track12Block1.tgz
mv DNAwalker-PT-01track12Block1 execution
cd execution
if [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "UpperBounds" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] || [ "CTLCardinality" = "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 [ "CTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLCardinality" != "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 "CTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLCardinality.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 '' CTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLCardinality"
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 ;