fond
Model Checking Contest @ Petri Nets 2016
6th edition, Toruń, Poland, June 21, 2016
Execution of r121kn-qhx2-146373366500141
Last Updated
June 30, 2016

About the Execution of ITS-Tools for SmallOperatingSystem-PT-MT0128DC0032

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
2561.320 396363.00 406803.00 800.00 FFFFFFFFFFFFFFTF normal

Execution Chart

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

Trace from the execution

Waiting for the VM to be ready (probing ssh)
...........
=====================================================================
Generated by BenchKit 2-2979
Executing tool itstools
Input is SmallOperatingSystem-PT-MT0128DC0032, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r121kn-qhx2-146373366500141
=====================================================================


--------------------
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 SmallOperatingSystem-PT-MT0128DC0032-LTLFireability-0
FORMULA_NAME SmallOperatingSystem-PT-MT0128DC0032-LTLFireability-1
FORMULA_NAME SmallOperatingSystem-PT-MT0128DC0032-LTLFireability-10
FORMULA_NAME SmallOperatingSystem-PT-MT0128DC0032-LTLFireability-11
FORMULA_NAME SmallOperatingSystem-PT-MT0128DC0032-LTLFireability-12
FORMULA_NAME SmallOperatingSystem-PT-MT0128DC0032-LTLFireability-13
FORMULA_NAME SmallOperatingSystem-PT-MT0128DC0032-LTLFireability-14
FORMULA_NAME SmallOperatingSystem-PT-MT0128DC0032-LTLFireability-15
FORMULA_NAME SmallOperatingSystem-PT-MT0128DC0032-LTLFireability-2
FORMULA_NAME SmallOperatingSystem-PT-MT0128DC0032-LTLFireability-3
FORMULA_NAME SmallOperatingSystem-PT-MT0128DC0032-LTLFireability-4
FORMULA_NAME SmallOperatingSystem-PT-MT0128DC0032-LTLFireability-5
FORMULA_NAME SmallOperatingSystem-PT-MT0128DC0032-LTLFireability-6
FORMULA_NAME SmallOperatingSystem-PT-MT0128DC0032-LTLFireability-7
FORMULA_NAME SmallOperatingSystem-PT-MT0128DC0032-LTLFireability-8
FORMULA_NAME SmallOperatingSystem-PT-MT0128DC0032-LTLFireability-9

=== Now, execution of the tool begins

BK_START 1463997310550


its-ltl command run as :

/home/mcc/BenchKit/eclipse/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.201605191313/bin/its-ltl-linux64 --gc-threshold 2000000 -i /home/mcc/execution/LTLFireability.gal -t CGAL -LTL /home/mcc/execution/LTLFireability.ltl -c -stutter-deadlock
Read 16 LTL properties
Checking formula 0 : !((X((("TaskSuspended>=1")&&("DiskControllerUnit>=1"))&&("TaskOnDisk>=1"))))
Formula 0 simplified : !X("DiskControllerUnit>=1" & "TaskOnDisk>=1" & "TaskSuspended>=1")
4 unique states visited
4 strongly connected components in search stack
4 transitions explored
4 items max in DFS search stack
358 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,3.71835,44916,1,0,7,97702,30,0,857,100467,20
an accepting run exists (use option '-e' to print it)
Formula 0 is FALSE accepting run found.
FORMULA SmallOperatingSystem-PT-MT0128DC0032-LTLFireability-0 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Checking formula 1 : !(((X(F("TransferToDisk>=1")))U((G("LoadingMem>=1"))U(F((("TaskSuspended>=1")&&("DiskControllerUnit>=1"))&&("TaskOnDisk>=1"))))))
Formula 1 simplified : !(XF"TransferToDisk>=1" U (G"LoadingMem>=1" U F("DiskControllerUnit>=1" & "TaskOnDisk>=1" & "TaskSuspended>=1")))
2 unique states visited
2 strongly connected components in search stack
2 transitions explored
2 items max in DFS search stack
1916 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,22.8864,217576,1,0,838,789252,36,417,857,833535,2109
an accepting run exists (use option '-e' to print it)
Formula 1 is FALSE accepting run found.
FORMULA SmallOperatingSystem-PT-MT0128DC0032-LTLFireability-1 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Checking formula 2 : !((F(X((G("TransferToDisk>=1"))U(G((("TaskOnDisk>=1")&&("FreeMemSegment>=1"))&&("DiskControllerUnit>=1")))))))
Formula 2 simplified : !FX(G"TransferToDisk>=1" U G("DiskControllerUnit>=1" & "FreeMemSegment>=1" & "TaskOnDisk>=1"))
3 unique states visited
3 strongly connected components in search stack
3 transitions explored
3 items max in DFS search stack
8913 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,112.019,1109828,1,0,2082,5.63004e+06,59,1090,868,6.21052e+06,5279
an accepting run exists (use option '-e' to print it)
Formula 2 is FALSE accepting run found.
FORMULA SmallOperatingSystem-PT-MT0128DC0032-LTLFireability-2 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Checking formula 3 : !((F(G(G(G(X("TransferToDisk>=1")))))))
Formula 3 simplified : !FGX"TransferToDisk>=1"
2 unique states visited
1 strongly connected components in search stack
3 transitions explored
2 items max in DFS search stack
1 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,112.023,1109916,1,0,2084,5.63005e+06,64,1091,869,6.21054e+06,5292
an accepting run exists (use option '-e' to print it)
Formula 3 is FALSE accepting run found.
FORMULA SmallOperatingSystem-PT-MT0128DC0032-LTLFireability-3 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Checking formula 4 : !((G(("LoadingMem>=1")U(F(G("LoadingMem>=1"))))))
Formula 4 simplified : !G("LoadingMem>=1" U FG"LoadingMem>=1")
2 unique states visited
2 strongly connected components in search stack
2 transitions explored
2 items max in DFS search stack
7019 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,182.223,1694116,1,0,4654,8.5986e+06,77,1985,870,9.52726e+06,9668
an accepting run exists (use option '-e' to print it)
Formula 4 is FALSE accepting run found.
FORMULA SmallOperatingSystem-PT-MT0128DC0032-LTLFireability-4 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Checking formula 5 : !((F(F(X(X(F(("CPUUnit>=1")&&("TaskSuspended>=1"))))))))
Formula 5 simplified : !FXXF("CPUUnit>=1" & "TaskSuspended>=1")
4 unique states visited
4 strongly connected components in search stack
4 transitions explored
4 items max in DFS search stack
69 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,182.914,1698432,1,0,5223,8.60669e+06,89,2269,874,9.53718e+06,11174
an accepting run exists (use option '-e' to print it)
Formula 5 is FALSE accepting run found.
FORMULA SmallOperatingSystem-PT-MT0128DC0032-LTLFireability-5 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Checking formula 6 : !((G(X(X(G(G("ExecutingTask>=1")))))))
Formula 6 simplified : !GXXG"ExecutingTask>=1"
5 unique states visited
5 strongly connected components in search stack
5 transitions explored
5 items max in DFS search stack
0 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,182.918,1698720,1,0,5223,8.6067e+06,95,2269,875,9.5372e+06,11181
an accepting run exists (use option '-e' to print it)
Formula 6 is FALSE accepting run found.
FORMULA SmallOperatingSystem-PT-MT0128DC0032-LTLFireability-6 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Checking formula 7 : !((F(G("ExecutingTask>=1"))))
Formula 7 simplified : !FG"ExecutingTask>=1"
2 unique states visited
2 strongly connected components in search stack
2 transitions explored
2 items max in DFS search stack
16957 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,352.475,2212324,1,0,6258,1.18231e+07,17,2614,765,1.26188e+07,2865
an accepting run exists (use option '-e' to print it)
Formula 7 is FALSE accepting run found.
FORMULA SmallOperatingSystem-PT-MT0128DC0032-LTLFireability-7 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Checking formula 8 : !((X((("TaskOnDisk>=1")&&("FreeMemSegment>=1"))&&("DiskControllerUnit>=1"))))
Formula 8 simplified : !X("DiskControllerUnit>=1" & "FreeMemSegment>=1" & "TaskOnDisk>=1")
2 unique states visited
0 strongly connected components in search stack
1 transitions explored
2 items max in DFS search stack
32 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,352.8,2212324,1,0,6258,1.18231e+07,31,2614,801,1.26188e+07,2871
no accepting run found
Formula 8 is TRUE no accepting run found.
FORMULA SmallOperatingSystem-PT-MT0128DC0032-LTLFireability-8 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Checking formula 9 : !(((("TaskReady>=1")&&("CPUUnit>=1"))U(X(("ExecutingTask>=1")U(("TaskReady>=1")&&("CPUUnit>=1"))))))
Formula 9 simplified : !(("CPUUnit>=1" & "TaskReady>=1") U X("ExecutingTask>=1" U ("CPUUnit>=1" & "TaskReady>=1")))
4 unique states visited
4 strongly connected components in search stack
4 transitions explored
4 items max in DFS search stack
183 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,354.638,2212372,1,0,6258,1.18231e+07,65,2614,832,1.26188e+07,2892
an accepting run exists (use option '-e' to print it)
Formula 9 is FALSE accepting run found.
FORMULA SmallOperatingSystem-PT-MT0128DC0032-LTLFireability-9 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Checking formula 10 : !((F((("TaskReady>=1")&&("CPUUnit>=1"))U(("CPUUnit>=1")&&("TaskSuspended>=1")))))
Formula 10 simplified : !F(("CPUUnit>=1" & "TaskReady>=1") U ("CPUUnit>=1" & "TaskSuspended>=1"))
2 unique states visited
2 strongly connected components in search stack
2 transitions explored
2 items max in DFS search stack
1089 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,365.53,2212372,1,0,6258,1.18231e+07,77,2614,836,1.26188e+07,4501
an accepting run exists (use option '-e' to print it)
Formula 10 is FALSE accepting run found.
FORMULA SmallOperatingSystem-PT-MT0128DC0032-LTLFireability-10 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Checking formula 11 : !((G((F((("TaskSuspended>=1")&&("DiskControllerUnit>=1"))&&("TaskOnDisk>=1")))U(("TransferToDisk>=1")U((("TaskSuspended>=1")&&("DiskControllerUnit>=1"))&&("TaskOnDisk>=1"))))))
Formula 11 simplified : !G(F("DiskControllerUnit>=1" & "TaskOnDisk>=1" & "TaskSuspended>=1") U ("TransferToDisk>=1" U ("DiskControllerUnit>=1" & "TaskOnDisk>=1" & "TaskSuspended>=1")))
3 unique states visited
3 strongly connected components in search stack
3 transitions explored
3 items max in DFS search stack
24 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,365.779,2212644,1,0,6258,1.18231e+07,90,2614,842,1.26188e+07,4999
an accepting run exists (use option '-e' to print it)
Formula 11 is FALSE accepting run found.
FORMULA SmallOperatingSystem-PT-MT0128DC0032-LTLFireability-11 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Checking formula 12 : !((X(X(("LoadingMem>=1")U(F(("CPUUnit>=1")&&("TaskSuspended>=1")))))))
Formula 12 simplified : !XX("LoadingMem>=1" U F("CPUUnit>=1" & "TaskSuspended>=1"))
4 unique states visited
4 strongly connected components in search stack
4 transitions explored
4 items max in DFS search stack
1 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,365.794,2212668,1,0,6258,1.18231e+07,90,2614,842,1.26188e+07,5010
an accepting run exists (use option '-e' to print it)
Formula 12 is FALSE accepting run found.
FORMULA SmallOperatingSystem-PT-MT0128DC0032-LTLFireability-12 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Checking formula 13 : !(((("TaskSuspended>=1")&&("DiskControllerUnit>=1"))&&("TaskOnDisk>=1")))
Formula 13 simplified : !("DiskControllerUnit>=1" & "TaskOnDisk>=1" & "TaskSuspended>=1")
3 unique states visited
3 strongly connected components in search stack
3 transitions explored
3 items max in DFS search stack
1 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,365.797,2212668,1,0,6258,1.18231e+07,90,2614,842,1.26188e+07,5014
an accepting run exists (use option '-e' to print it)
Formula 13 is FALSE accepting run found.
FORMULA SmallOperatingSystem-PT-MT0128DC0032-LTLFireability-13 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Checking formula 14 : !((("CPUUnit>=1")&&("TaskSuspended>=1")))
Formula 14 simplified : !("CPUUnit>=1" & "TaskSuspended>=1")
3 unique states visited
3 strongly connected components in search stack
3 transitions explored
3 items max in DFS search stack
0 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,365.797,2212668,1,0,6258,1.18231e+07,90,2614,842,1.26188e+07,5014
an accepting run exists (use option '-e' to print it)
Formula 14 is FALSE accepting run found.
FORMULA SmallOperatingSystem-PT-MT0128DC0032-LTLFireability-14 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Checking formula 15 : !((F("ExecutingTask>=1")))
Formula 15 simplified : !F"ExecutingTask>=1"
2 unique states visited
2 strongly connected components in search stack
2 transitions explored
2 items max in DFS search stack
253 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,368.338,2212668,1,0,6258,1.18231e+07,96,2614,842,1.26188e+07,6297
an accepting run exists (use option '-e' to print it)
Formula 15 is FALSE accepting run found.
FORMULA SmallOperatingSystem-PT-MT0128DC0032-LTLFireability-15 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL

BK_STOP 1463997706913

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

+ export BINDIR=/home/mcc/BenchKit/
+ BINDIR=/home/mcc/BenchKit/
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit//runeclipse.sh /home/mcc/execution LTLFireability -its
+ ulimit -s 65536
+ java -Dosgi.requiredJavaVersion=1.6 -XX:MaxPermSize=512m -Xss8m -Xms40m -Xmx8192m -Declipse.pde.launch=true -Dfile.encoding=UTF-8 -classpath /home/mcc/BenchKit//eclipse/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar org.eclipse.equinox.launcher.Main -application fr.lip6.move.gal.application.pnmcc -data /home/mcc/BenchKit//workspace -os linux -ws gtk -arch x86_64 -nl en_US -consoleLog -pnfolder /home/mcc/execution -examination LTLFireability -z3path /home/mcc/BenchKit//z3/bin/z3 -yices2path /home/mcc/BenchKit//yices/bin/yices -its
Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=512m; support was removed in 8.0
May 23, 2016 9:55:15 AM fr.lip6.move.gal.application.Application transformPNML
INFO: Parsing pnml file : /home/mcc/execution/model.pnml
May 23, 2016 9:55:15 AM fr.lip6.move.gal.nupn.PTNetReader loadFromXML
INFO: Load time of PNML (sax parser for PT used): 39 ms
May 23, 2016 9:55:15 AM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 9 places.
May 23, 2016 9:55:15 AM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 8 transitions.
May 23, 2016 9:55:15 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 49 ms
May 23, 2016 9:55:15 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/LTLFireability.gal : 17 ms
May 23, 2016 9:55:15 AM fr.lip6.move.serialization.SerializationUtil serializePropertiesForITSLTLTools
INFO: Time to serialize properties into /home/mcc/execution/LTLFireability.ltl : 2 ms

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="SmallOperatingSystem-PT-MT0128DC0032"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/home/fko/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"

# 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

tar xzf /home/mcc/BenchKit/INPUTS/SmallOperatingSystem-PT-MT0128DC0032.tgz
mv SmallOperatingSystem-PT-MT0128DC0032 execution

# this is for BenchKit: explicit launching of the test

cd execution
echo "====================================================================="
echo " Generated by BenchKit 2-2979"
echo " Executing tool itstools"
echo " Input is SmallOperatingSystem-PT-MT0128DC0032, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r121kn-qhx2-146373366500141"
echo "====================================================================="
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLFireability.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 '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
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 ;