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.r510-tall-167912735200806.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 UtilityControlRoom-COL-Z4T4N08, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r510-tall-167912735200806
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 500K
-rw-r--r-- 1 mcc users 6.2K Feb 26 14:44 CTLCardinality.txt
-rw-r--r-- 1 mcc users 51K Feb 26 14:44 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.4K Feb 26 14:42 CTLFireability.txt
-rw-r--r-- 1 mcc users 63K Feb 26 14:42 CTLFireability.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_pt
-rw-r--r-- 1 mcc users 8 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 4.3K Feb 25 17:26 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 17:26 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Feb 25 17:26 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 17:26 LTLFireability.xml
-rw-r--r-- 1 mcc users 29K Mar 5 18:23 model.pnml
-rw-r--r-- 1 mcc users 15K Feb 26 14:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 140K Feb 26 14:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Feb 26 14:51 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 85K Feb 26 14:51 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Feb 25 17:26 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Feb 25 17:26 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 UtilityControlRoom-COL-Z4T4N08-CTLFireability-00
FORMULA_NAME UtilityControlRoom-COL-Z4T4N08-CTLFireability-01
FORMULA_NAME UtilityControlRoom-COL-Z4T4N08-CTLFireability-02
FORMULA_NAME UtilityControlRoom-COL-Z4T4N08-CTLFireability-03
FORMULA_NAME UtilityControlRoom-COL-Z4T4N08-CTLFireability-04
FORMULA_NAME UtilityControlRoom-COL-Z4T4N08-CTLFireability-05
FORMULA_NAME UtilityControlRoom-COL-Z4T4N08-CTLFireability-06
FORMULA_NAME UtilityControlRoom-COL-Z4T4N08-CTLFireability-07
FORMULA_NAME UtilityControlRoom-COL-Z4T4N08-CTLFireability-08
FORMULA_NAME UtilityControlRoom-COL-Z4T4N08-CTLFireability-09
FORMULA_NAME UtilityControlRoom-COL-Z4T4N08-CTLFireability-10
FORMULA_NAME UtilityControlRoom-COL-Z4T4N08-CTLFireability-11
FORMULA_NAME UtilityControlRoom-COL-Z4T4N08-CTLFireability-12
FORMULA_NAME UtilityControlRoom-COL-Z4T4N08-CTLFireability-13
FORMULA_NAME UtilityControlRoom-COL-Z4T4N08-CTLFireability-14
FORMULA_NAME UtilityControlRoom-COL-Z4T4N08-CTLFireability-15

=== Now, execution of the tool begins

BK_START 1679444082897

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 CTLFireability *
*************************************
TEMPDIR=/home/mcc/BenchKit/bin/tmp
QF=/home/mcc/BenchKit/bin/tmp/tmp.aAE0heA42z
MF=/home/mcc/BenchKit/bin/tmp/tmp.1ayWjbc6x1
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 ./CTLFireability.xml
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping UtilityControlRoom-COL-Z4T4N08-CTLFireability-15
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping UtilityControlRoom-COL-Z4T4N08-CTLFireability-14
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping UtilityControlRoom-COL-Z4T4N08-CTLFireability-13
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping UtilityControlRoom-COL-Z4T4N08-CTLFireability-12
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping UtilityControlRoom-COL-Z4T4N08-CTLFireability-11
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping UtilityControlRoom-COL-Z4T4N08-CTLFireability-10
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping UtilityControlRoom-COL-Z4T4N08-CTLFireability-09
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping UtilityControlRoom-COL-Z4T4N08-CTLFireability-08
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping UtilityControlRoom-COL-Z4T4N08-CTLFireability-07
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping UtilityControlRoom-COL-Z4T4N08-CTLFireability-06
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping UtilityControlRoom-COL-Z4T4N08-CTLFireability-05
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping UtilityControlRoom-COL-Z4T4N08-CTLFireability-04
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping UtilityControlRoom-COL-Z4T4N08-CTLFireability-03
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping UtilityControlRoom-COL-Z4T4N08-CTLFireability-02
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping UtilityControlRoom-COL-Z4T4N08-CTLFireability-01
Warning: CPN OverApproximation is only available for Reachability queries without deadlock, negated fireability and UpperBounds, skipping UtilityControlRoom-COL-Z4T4N08-CTLFireability-00
WARNING: Could not run CPN over-approximation on any queries, terminating.
Time left: 3589
---------------------------------------------------
Step 0: Parallel Simplification
---------------------------------------------------
Doing parallel simplification (16 in total)
Total simplification timout is 718 -- reduction timeout is 299
timeout 3589 /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.aAE0heA42z --write-reduced /home/mcc/BenchKit/bin/tmp/tmp.1ayWjbc6x1 -x 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ./model.pnml ./CTLFireability.xml

Time left: 2872

---------------------------------------------------
Step 1: Parallel processing
---------------------------------------------------
Doing parallel verification of individual queries (16 in total)
Each query is verified by 4 parallel strategies for 299 seconds
------------------- QUERY 1 ----------------------
Solution found by parallel processing (step 1)
Command terminated by signal 9
@@@155.88,5202852@@@


Query index 0 was solved
Query is NOT satisfied.

Spent 166.738 on verification
@@@166.87,3333300@@@
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.1ayWjbc6x1 /home/mcc/BenchKit/bin/tmp/tmp.aAE0heA42z --binary-query-io 1 -x 1 -n

FORMULA UtilityControlRoom-COL-Z4T4N08-CTLFireability-06 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 2704
------------------- QUERY 2 ----------------------
No solution found
Command terminated by signal 9
@@@105.33,6404808@@@
Command terminated by signal 9
@@@198.38,9331992@@@


Time left: 2402
------------------- QUERY 3 ----------------------
No solution found
Command terminated by signal 9
@@@132.32,5620044@@@
Command terminated by signal 9
@@@192.12,8202212@@@


Time left: 2100
------------------- QUERY 4 ----------------------
No solution found



Time left: 1798
------------------- QUERY 5 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is satisfied.

Spent 0.134991 on verification


Query index 0 was solved
Query is satisfied.

Spent 0.12835 on verification
@@@0.20,60672@@@
@@@0.19,60692@@@
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.1ayWjbc6x1 /home/mcc/BenchKit/bin/tmp/tmp.aAE0heA42z --binary-query-io 1 -x 5 -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.1ayWjbc6x1 /home/mcc/BenchKit/bin/tmp/tmp.aAE0heA42z --binary-query-io 1 -x 5 -n

FORMULA UtilityControlRoom-COL-Z4T4N08-CTLFireability-01 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 1798
------------------- QUERY 6 ----------------------
No solution found
Command terminated by signal 9
@@@128.27,5810396@@@
Command terminated by signal 9
@@@211.88,8265500@@@


Time left: 1495
------------------- QUERY 7 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is satisfied.

Spent 0.140681 on verification
@@@0.28,60732@@@


Query index 0 was solved
Query is satisfied.

Spent 0.166382 on verification
@@@0.28,60644@@@
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.1ayWjbc6x1 /home/mcc/BenchKit/bin/tmp/tmp.aAE0heA42z --binary-query-io 1 -x 7 -n
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -s\ DFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.1ayWjbc6x1 /home/mcc/BenchKit/bin/tmp/tmp.aAE0heA42z --binary-query-io 1 -x 7 -n

FORMULA UtilityControlRoom-COL-Z4T4N08-CTLFireability-13 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 1494
------------------- QUERY 8 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is satisfied.

Spent 0.496111 on verification
@@@0.59,60660@@@
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.1ayWjbc6x1 /home/mcc/BenchKit/bin/tmp/tmp.aAE0heA42z --binary-query-io 1 -x 8 -n

FORMULA UtilityControlRoom-COL-Z4T4N08-CTLFireability-11 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 1493
------------------- QUERY 9 ----------------------
No solution found



Time left: 1191
------------------- QUERY 10 ----------------------
No solution found
Command terminated by signal 9
@@@201.38,5803952@@@
Command terminated by signal 9
@@@288.84,8859600@@@


Time left: 889
------------------- QUERY 11 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is NOT satisfied.

Spent 0.052907 on verification
@@@0.09,60716@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -s\ DFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.1ayWjbc6x1 /home/mcc/BenchKit/bin/tmp/tmp.aAE0heA42z --binary-query-io 1 -x 11 -n

FORMULA UtilityControlRoom-COL-Z4T4N08-CTLFireability-04 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 889
------------------- QUERY 12 ----------------------
No solution found
Command terminated by signal 9
@@@186.29,10261772@@@


Time left: 588
------------------- QUERY 13 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is NOT satisfied.

Spent 0.625169 on verification
@@@0.66,60904@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -s\ DFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.1ayWjbc6x1 /home/mcc/BenchKit/bin/tmp/tmp.aAE0heA42z --binary-query-io 1 -x 13 -n

FORMULA UtilityControlRoom-COL-Z4T4N08-CTLFireability-08 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 587
------------------- QUERY 14 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is NOT satisfied.

Spent 21.6943 on verification
@@@21.74,1075520@@@
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.1ayWjbc6x1 /home/mcc/BenchKit/bin/tmp/tmp.aAE0heA42z --binary-query-io 1 -x 14 -n

FORMULA UtilityControlRoom-COL-Z4T4N08-CTLFireability-07 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 565
------------------- QUERY 15 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is satisfied.

Spent 0.311288 on verification
@@@0.33,60728@@@
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.1ayWjbc6x1 /home/mcc/BenchKit/bin/tmp/tmp.aAE0heA42z --binary-query-io 1 -x 15 -n

FORMULA UtilityControlRoom-COL-Z4T4N08-CTLFireability-09 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 564
------------------- QUERY 16 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is satisfied.

Spent 1.27775 on verification
@@@1.30,156712@@@
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.1ayWjbc6x1 /home/mcc/BenchKit/bin/tmp/tmp.aAE0heA42z --binary-query-io 1 -x 16 -n

FORMULA UtilityControlRoom-COL-Z4T4N08-CTLFireability-03 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 563
---------------------------------------------------
Step 2: Sequential processing
---------------------------------------------------
Remaining 7 queries are verified sequentially.
Each query is verified for a dynamic timeout (at least 598 seconds)
Time left: 563
------------------- QUERY 2 ----------------------
Time left: 563
---------------------------------------------------
Step 4: Random Parallel processing
---------------------------------------------------
Doing random parallel verification of individual queries (7 in total)
Each query is verified by 4 parallel strategies for 80 seconds
------------------- QUERY 2 ----------------------
No solution found
Command terminated by signal 9
@@@70.82,4214164@@@


Time left: 480
------------------- QUERY 3 ----------------------
No solution found
Command terminated by signal 9
@@@63.11,4144368@@@


Time left: 397
------------------- QUERY 4 ----------------------
No solution found



Time left: 315
------------------- QUERY 6 ----------------------
No solution found
Command terminated by signal 9
@@@58.10,4139644@@@
Command terminated by signal 9
@@@79.39,5567692@@@


Time left: 233
------------------- QUERY 9 ----------------------
No solution found



Time left: 151
------------------- QUERY 10 ----------------------
No solution found



Time left: 67
------------------- QUERY 12 ----------------------
No solution found



Time left: -2
Out of time, terminating!
terminated-with-cleanup

BK_STOP 1679447674353

--------------------
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="UtilityControlRoom-COL-Z4T4N08"
export BK_EXAMINATION="CTLFireability"
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 UtilityControlRoom-COL-Z4T4N08, examination is CTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r510-tall-167912735200806"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/UtilityControlRoom-COL-Z4T4N08.tgz
mv UtilityControlRoom-COL-Z4T4N08 execution
cd execution
if [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "UpperBounds" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] || [ "CTLFireability" = "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 [ "CTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLFireability" != "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 "CTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLFireability.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 '' CTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLFireability"
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 ;