fond
Model Checking Contest 2024
14th edition, Geneva, Switzerland, June 25, 2024
Execution of r052-tajo-171620404200233
Last Updated
July 7, 2024

About the Execution of Tapaal for BridgeAndVehicles-PT-V50P20N20

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
16204.968 3593080.00 8425153.00 5495.20 TTTTTTTFFFT?TF?F normal

Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2024-input.r052-tajo-171620404200233.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2024-input.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
......................
=====================================================================
Generated by BenchKit 2-5568
Executing tool tapaal
Input is BridgeAndVehicles-PT-V50P20N20, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r052-tajo-171620404200233
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 7.2M
-rw-r--r-- 1 mcc users 25K Apr 13 00:55 CTLCardinality.txt
-rw-r--r-- 1 mcc users 153K Apr 13 00:55 CTLCardinality.xml
-rw-r--r-- 1 mcc users 226K Apr 13 00:50 CTLFireability.txt
-rw-r--r-- 1 mcc users 875K Apr 13 00:50 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 11K Apr 22 14:29 LTLCardinality.txt
-rw-r--r-- 1 mcc users 42K Apr 22 14:29 LTLCardinality.xml
-rw-r--r-- 1 mcc users 68K Apr 22 14:29 LTLFireability.txt
-rw-r--r-- 1 mcc users 195K Apr 22 14:29 LTLFireability.xml
-rw-r--r-- 1 mcc users 20K Apr 13 01:34 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 149K Apr 13 01:34 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 723K Apr 13 01:29 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 2.8M Apr 13 01:29 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Apr 22 14:29 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Apr 22 14:29 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 10 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 1.9M 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 BridgeAndVehicles-PT-V50P20N20-CTLCardinality-2024-00
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-CTLCardinality-2024-01
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-CTLCardinality-2024-02
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-CTLCardinality-2024-03
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-CTLCardinality-2024-04
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-CTLCardinality-2024-05
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-CTLCardinality-2024-06
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-CTLCardinality-2024-07
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-CTLCardinality-2024-08
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-CTLCardinality-2024-09
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-CTLCardinality-2024-10
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-CTLCardinality-2024-11
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-CTLCardinality-2024-12
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-CTLCardinality-2024-13
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-CTLCardinality-2024-14
FORMULA_NAME BridgeAndVehicles-PT-V50P20N20-CTLCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1716416113192

tapaal
Got BK_BIN_PATH=/home/mcc/BenchKit/bin/
---> tapaal --- TAPAAL - v2.2024
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.nTEwV2eVrE
MF=/home/mcc/BenchKit/bin/tmp/tmp.e19KO3hBGq
Time left: 3590
---------------------------------------------------
Step -1: Stripping Colors
---------------------------------------------------
Verifying stripped models (16 in total)

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.nTEwV2eVrE --write-reduced /home/mcc/BenchKit/bin/tmp/tmp.e19KO3hBGq -x 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ./model.pnml ./CTLCardinality.xml

FORMULA BridgeAndVehicles-PT-V50P20N20-CTLCardinality-2024-00 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 0 was solved

Query is satisfied.

FORMULA BridgeAndVehicles-PT-V50P20N20-CTLCardinality-2024-01 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 1 was solved

Query is satisfied.

FORMULA BridgeAndVehicles-PT-V50P20N20-CTLCardinality-2024-02 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 2 was solved

Query is satisfied.

FORMULA BridgeAndVehicles-PT-V50P20N20-CTLCardinality-2024-04 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 4 was solved

Query is satisfied.

FORMULA BridgeAndVehicles-PT-V50P20N20-CTLCardinality-2024-05 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 5 was solved

Query is satisfied.

FORMULA BridgeAndVehicles-PT-V50P20N20-CTLCardinality-2024-06 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 6 was solved

Query is satisfied.

FORMULA BridgeAndVehicles-PT-V50P20N20-CTLCardinality-2024-07 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 7 was solved

Query is NOT satisfied.

FORMULA BridgeAndVehicles-PT-V50P20N20-CTLCardinality-2024-09 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 9 was solved

Query is NOT satisfied.

FORMULA BridgeAndVehicles-PT-V50P20N20-CTLCardinality-2024-13 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 13 was solved

Query is NOT satisfied.
Solution found by parallel simplification (step 0)
Solution found by parallel simplification (step 0)
Solution found by parallel simplification (step 0)
Solution found by parallel simplification (step 0)
Solution found by parallel simplification (step 0)
Solution found by parallel simplification (step 0)
Solution found by parallel simplification (step 0)
Solution found by parallel simplification (step 0)
Solution found by parallel simplification (step 0)
Time left: 3588

---------------------------------------------------
Step 1: Parallel processing
---------------------------------------------------
Doing parallel verification of individual queries (7 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 0.012594 on verification
@@@0.95,18664@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-s RPFS -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.e19KO3hBGq /home/mcc/BenchKit/bin/tmp/tmp.nTEwV2eVrE --binary-query-io 1 -x 1 -n

FORMULA BridgeAndVehicles-PT-V50P20N20-CTLCardinality-2024-15 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT EXPLICIT STATE_COMPRESSION STUBBORN_SETS
Time left: 3587
------------------- QUERY 2 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is satisfied.

Spent 0.095811 on verification
@@@1.03,64180@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-s RPFS -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.e19KO3hBGq /home/mcc/BenchKit/bin/tmp/tmp.nTEwV2eVrE --binary-query-io 1 -x 2 -n

FORMULA BridgeAndVehicles-PT-V50P20N20-CTLCardinality-2024-10 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3586
------------------- QUERY 3 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is satisfied.

Spent 0.108692 on verification
@@@1.03,155416@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-s RPFS -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.e19KO3hBGq /home/mcc/BenchKit/bin/tmp/tmp.nTEwV2eVrE --binary-query-io 1 -x 3 -n

FORMULA BridgeAndVehicles-PT-V50P20N20-CTLCardinality-2024-12 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3585
------------------- QUERY 4 ----------------------
No solution found
parallel: Warning: This job was killed because it timed out:
parallel: Warning: 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.e19KO3hBGq /home/mcc/BenchKit/bin/tmp/tmp.nTEwV2eVrE --binary-query-io 1 -x 4 -n
parallel: Warning: This job was killed because it timed out:
parallel: Warning: eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-s RPFS -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.e19KO3hBGq /home/mcc/BenchKit/bin/tmp/tmp.nTEwV2eVrE --binary-query-io 1 -x 4 -n
parallel: Warning: This job was killed because it timed out:
parallel: Warning: 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.e19KO3hBGq /home/mcc/BenchKit/bin/tmp/tmp.nTEwV2eVrE --binary-query-io 1 -x 4 -n
parallel: Warning: This job was killed because it timed out:
parallel: Warning: 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.e19KO3hBGq /home/mcc/BenchKit/bin/tmp/tmp.nTEwV2eVrE --binary-query-io 1 -x 4 -n


Time left: 3283
------------------- QUERY 5 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is NOT satisfied.

Spent 0.053145 on verification
@@@0.99,64368@@@
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.e19KO3hBGq /home/mcc/BenchKit/bin/tmp/tmp.nTEwV2eVrE --binary-query-io 1 -x 5 -n

FORMULA BridgeAndVehicles-PT-V50P20N20-CTLCardinality-2024-08 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3281
------------------- QUERY 6 ----------------------
No solution found
Command terminated by signal 9
@@@267.85,4652352@@@
parallel: Warning: This job was killed because it timed out:
parallel: Warning: eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-s RPFS -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.e19KO3hBGq /home/mcc/BenchKit/bin/tmp/tmp.nTEwV2eVrE --binary-query-io 1 -x 6 -n
parallel: Warning: This job was killed because it timed out:
parallel: Warning: 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.e19KO3hBGq /home/mcc/BenchKit/bin/tmp/tmp.nTEwV2eVrE --binary-query-io 1 -x 6 -n
parallel: Warning: This job was killed because it timed out:
parallel: Warning: 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.e19KO3hBGq /home/mcc/BenchKit/bin/tmp/tmp.nTEwV2eVrE --binary-query-io 1 -x 6 -n


Time left: 2980
------------------- QUERY 7 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is satisfied.

Spent 0.057609 on verification
@@@0.96,64344@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-s RPFS -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.e19KO3hBGq /home/mcc/BenchKit/bin/tmp/tmp.nTEwV2eVrE --binary-query-io 1 -x 7 -n

FORMULA BridgeAndVehicles-PT-V50P20N20-CTLCardinality-2024-03 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 2978
---------------------------------------------------
Step 2: Sequential processing
---------------------------------------------------
Remaining 2 queries are verified sequentially.
Each query is verified for a dynamic timeout (at least 512 seconds)
Time left: 2978
------------------- QUERY 4 ----------------------
Running query 4 for 1489 seconds. Remaining: 2 queries and 2978 seconds
No solution found
Command terminated by signal 9
@@@415.10,8365440@@@
Command terminated by signal 9
@@@845.26,16112840@@@


Time left: 2133
------------------- QUERY 6 ----------------------
Running query 6 for 2133 seconds. Remaining: 1 queries and 2133 seconds
No solution found
Command terminated by signal 9
@@@451.79,9397444@@@
Command terminated by signal 9
@@@1004.06,16111228@@@


Time left: 1128
Time left: 1128
---------------------------------------------------
Step 4: Random Parallel processing
---------------------------------------------------
Doing random parallel verification of individual queries (2 in total)
Each query is verified by 4 parallel strategies for 564 seconds
------------------- QUERY 4 ----------------------
No solution found
Command terminated by signal 9
@@@234.00,4486748@@@
Command terminated by signal 9
@@@360.98,6370612@@@
parallel: Warning: This job was killed because it timed out:
parallel: Warning: eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-s RPFS --seed-offset 0 -q 3590 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.e19KO3hBGq /home/mcc/BenchKit/bin/tmp/tmp.nTEwV2eVrE --binary-query-io 1 -x 4 -n
parallel: Warning: This job was killed because it timed out:
parallel: Warning: eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-s RPFS --seed-offset 2018 -q 0 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.e19KO3hBGq /home/mcc/BenchKit/bin/tmp/tmp.nTEwV2eVrE --binary-query-io 1 -x 4 -n


Time left: 561
------------------- QUERY 6 ----------------------
No solution found
Command terminated by signal 9
@@@188.84,4377456@@@
Command terminated by signal 9
@@@269.79,5747420@@@
Command terminated by signal 9
@@@440.68,8181372@@@
parallel: Warning: This job was killed because it timed out:
parallel: Warning: eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n '-s RPFS --seed-offset 0 -q 3590 -l 0 -d 119' /home/mcc/BenchKit/bin/tmp/tmp.e19KO3hBGq /home/mcc/BenchKit/bin/tmp/tmp.nTEwV2eVrE --binary-query-io 1 -x 6 -n


Time left: -3
Out of time, terminating!
terminated-with-cleanup

BK_STOP 1716419706272

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

CPN OverApproximation is only usable on colored models

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="BridgeAndVehicles-PT-V50P20N20"
export BK_EXAMINATION="CTLCardinality"
export BK_TOOL="tapaal"
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 tapaal"
echo " Input is BridgeAndVehicles-PT-V50P20N20, 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 r052-tajo-171620404200233"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-PT-V50P20N20.tgz
mv BridgeAndVehicles-PT-V50P20N20 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 ;