About the Execution of ITS-Tools for SmallOperatingSystem-PT-MT0064DC0032
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
333.680 | 3798.00 | 7923.00 | 94.40 | FFFFFFFFFFFTFFFF | 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 2-2270
Executing tool itstools
Input is SmallOperatingSystem-PT-MT0064DC0032, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r257su-blw3-143374346100220
=====================================================================
--------------------
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-MT0064DC0032-ReachabilityFireability-0
FORMULA_NAME SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-1
FORMULA_NAME SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-10
FORMULA_NAME SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-11
FORMULA_NAME SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-12
FORMULA_NAME SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-13
FORMULA_NAME SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-14
FORMULA_NAME SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-15
FORMULA_NAME SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-2
FORMULA_NAME SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-3
FORMULA_NAME SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-4
FORMULA_NAME SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-5
FORMULA_NAME SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-6
FORMULA_NAME SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-7
FORMULA_NAME SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-8
FORMULA_NAME SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-9
=== Now, execution of the tool begins
BK_START 1433777911748
FORMULA SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-12 FALSE TECHNIQUES TOPOLOGICAL
FORMULA SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-10 FALSE TECHNIQUES TOPOLOGICAL
FORMULA SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-9 FALSE TECHNIQUES TOPOLOGICAL
FORMULA SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-8 FALSE TECHNIQUES TOPOLOGICAL
FORMULA SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-6 FALSE TECHNIQUES TOPOLOGICAL
FORMULA SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-4 FALSE TECHNIQUES TOPOLOGICAL
FORMULA SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-3 FALSE TECHNIQUES TOPOLOGICAL
FORMULA SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-1 FALSE TECHNIQUES TOPOLOGICAL
work folder: /home/mcc/execution
work folder: /home/mcc/execution
unsat
No reachable states exhibit your property : SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-0
FORMULA SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-0 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
unsat
No reachable states exhibit your property : SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-2
FORMULA SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-2 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Reachability property SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-5 is true.
FORMULA SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-5 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
No reachable states exhibit your property : SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-7
FORMULA SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-7 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
No reachable states exhibit your property : SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-11
FORMULA SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-11 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
No reachable states exhibit your property : SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-13
FORMULA SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-13 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
No reachable states exhibit your property : SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-14
FORMULA SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-14 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
No reachable states exhibit your property : SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-15
FORMULA SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-15 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
unsat
work folder: /home/mcc/execution
unsat
FORMULA SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-5 TRUE TECHNIQUES DECISION_DIAGRAMS COLLATERAL_PROCESSING TOPOLOGICAL CEGAR
work folder: /home/mcc/execution
unsat
unsat
unsat
unsat
unsat
unsat
unsat
unsat
unsat
BK_STOP 1433777915546
--------------------
content from stderr:
Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=512m; support was removed in 8.0
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.application.Application transformPNML
INFO: Parsing pnml file : /home/mcc/execution/model.pnml
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.nupn.PTNetReader loadFromXML
INFO: Load time of PNML (sax parser for PT used): 17 ms
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 9 places.
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 8 transitions.
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.instantiate.PropertySimplifier rewriteWithInitialState
INFO: Invariant property SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-1 is trivially false : it is not verified in initial state.
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.instantiate.PropertySimplifier rewriteWithInitialState
INFO: Invariant property SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-3 is trivially false : it is not verified in initial state.
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.instantiate.PropertySimplifier rewriteWithInitialState
INFO: Invariant property SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-4 is trivially false : it is not verified in initial state.
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.instantiate.PropertySimplifier rewriteWithInitialState
INFO: Invariant property SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-6 is trivially false : it is not verified in initial state.
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.instantiate.PropertySimplifier rewriteWithInitialState
INFO: Invariant property SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-8 is trivially false : it is not verified in initial state.
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.instantiate.PropertySimplifier rewriteWithInitialState
INFO: Invariant property SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-9 is trivially false : it is not verified in initial state.
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.instantiate.PropertySimplifier rewriteWithInitialState
INFO: Invariant property SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-10 is trivially false : it is not verified in initial state.
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.instantiate.PropertySimplifier rewriteWithInitialState
INFO: Invariant property SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-12 is trivially false : it is not verified in initial state.
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.instantiate.PropertySimplifier rewriteWithInitialState
INFO: Invariant property SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-1 is trivially false : it is not verified in initial state.
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.instantiate.PropertySimplifier rewriteWithInitialState
INFO: Invariant property SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-3 is trivially false : it is not verified in initial state.
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.instantiate.PropertySimplifier rewriteWithInitialState
INFO: Invariant property SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-4 is trivially false : it is not verified in initial state.
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.instantiate.PropertySimplifier rewriteWithInitialState
INFO: Invariant property SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-6 is trivially false : it is not verified in initial state.
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.instantiate.PropertySimplifier rewriteWithInitialState
INFO: Invariant property SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-8 is trivially false : it is not verified in initial state.
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.instantiate.PropertySimplifier rewriteWithInitialState
INFO: Invariant property SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-9 is trivially false : it is not verified in initial state.
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.instantiate.PropertySimplifier rewriteWithInitialState
INFO: Invariant property SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-10 is trivially false : it is not verified in initial state.
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.instantiate.PropertySimplifier rewriteWithInitialState
INFO: Invariant property SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-12 is trivially false : it is not verified in initial state.
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 32 ms
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 7 ms
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 11 ms
Jun 08, 2015 3:38:34 PM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/ReachabilityFireability.gal : 7 ms
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.cegar.support.SupportManager computeSupport
INFO: For property SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-0:[reachable] : (((ExecutingTask>=1)&&(!(TransferToDisk>=1)))||(((!(LoadingMem>=1))&&((TaskReady>=1)&&((TaskReady>=1)&&(CPUUnit>=1))))&&((LoadingMem>=1)||((((TaskSuspended>=1)&&(DiskControllerUnit>=1))&&(TaskOnDisk>=1))||(LoadingMem>=1))))) found Support [ExecutingTask, TransferToDisk, LoadingMem, TaskReady, CPUUnit, TaskSuspended, DiskControllerUnit, TaskOnDisk]
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.cegar.support.SupportManager computeSupport
INFO: Computing abstraction support, depth 0, found support 8
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.cegar.abstractor.BoundComputer compute
INFO: Bounding GAL to K = 64
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.cegar.abstractor.VariablesAbstractor abstractUsingSupport
INFO: Abstracting GAL, removed 1 / 9 variable(s)
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Checking abstraction for property SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-0(refined 0 times)...
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Running its-reach -reachable on the abstraction...
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 41 ms
Jun 08, 2015 3:38:34 PM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/work/abstract.gal : 4 ms
Jun 08, 2015 3:38:34 PM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: No display to refresh.
Jun 08, 2015 3:38:34 PM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: No display to refresh.
Jun 08, 2015 3:38:34 PM fr.lip6.move.serialization.SerializationUtil serializePropertiesForITSTools
INFO: Time to serialize properties into /home/mcc/execution/ReachabilityFireability.prop : 1 ms
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.cegar.checkers.ITSLauncher run
INFO: Run of its-reach took 169 ms
java.lang.NullPointerException
at fr.lip6.move.gal.cegar.checkers.CEGARChecker.check(CEGARChecker.java:48)
at fr.lip6.move.gal.cegar.frontend.CegarFrontEnd.processGal(CegarFrontEnd.java:24)
at fr.lip6.move.gal.application.Application$3.run(Application.java:354)
at java.lang.Thread.run(Thread.java:745)
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.application.Application$3 run
WARNING: Aborting CEGAR check of property SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-0 due to an exception when running procedure.
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.cegar.support.SupportManager computeSupport
INFO: For property SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-2:[reachable] : (((TaskReady>=1)&&(CPUUnit>=1))||(LoadingMem>=1)) found Support [TaskReady, CPUUnit, LoadingMem]
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.cegar.support.SupportManager computeSupport
INFO: Computing abstraction support, depth 0, found support 3
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.cegar.abstractor.BoundComputer compute
INFO: Bounding GAL to K = 64
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.cegar.abstractor.VariablesAbstractor abstractUsingSupport
INFO: Abstracting GAL, removed 6 / 9 variable(s)
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Checking abstraction for property SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-2(refined 0 times)...
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Running its-reach -reachable on the abstraction...
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 5 ms
Jun 08, 2015 3:38:34 PM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/work/abstract.gal : 1 ms
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd checkProperties
INFO: SMT solution for property SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-0(UNSAT) depth K=1 took 264 ms
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.cegar.checkers.ITSLauncher run
INFO: Run of its-reach took 38 ms
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Found trace: [startLoading]
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Running its-reach -trace [startLoading] on the original GAL...
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 6 ms
Jun 08, 2015 3:38:34 PM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/work/abstract.gal : 0 ms
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd checkProperties
INFO: SMT solution for property SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-2(UNSAT) depth K=1 took 37 ms
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.cegar.checkers.ITSLauncher run
INFO: Run of its-reach took 23 ms
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Transition startLoading couldn't be replayed on the original GAL
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.cegar.abstractor.SupportBasedAbstractor refine
INFO: Using failed transition startLoading to refine the abstraction...
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.cegar.abstractor.BoundComputer compute
INFO: Bounding GAL to K = 64
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.cegar.abstractor.VariablesAbstractor abstractUsingSupport
INFO: Abstracting GAL, removed 3 / 9 variable(s)
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd checkProperties
INFO: SMT solution for property SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-5(UNSAT) depth K=1 took 16 ms
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Checking abstraction for property SmallOperatingSystem-PT-MT0064DC0032-ReachabilityFireability-2(refined 1 times)...
Jun 08, 2015 3:38:34 PM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Running its-reach -reachable on the abstraction...
java.lang.NullPointerException
at fr.lip6.move.gal.itstools.ProcessController.execute(ProcessController.java:125)
at fr.lip6.move.gal.cegar.checkers.ITSLauncher.run(ITSLauncher.java:99)
at fr.lip6.move.gal.cegar.checkers.ITSLauncher.run(ITSLauncher.java:56)
at fr.lip6.move.gal.cegar.checkers.ITSPropertyCheckerAdapter.check(ITSPropertyCheckerAdapter.java:72)
at fr.lip6.move.gal.cegar.checkers.CEGARChecker.check(CEGARChecker.java:46)
at fr.lip6.move.gal.cegar.frontend.CegarFrontEnd.processGal(CegarFrontEnd.java:24)
at fr.lip6.move.gal.application.Application$3.run(Application.java:354)
at java.lang.Thread.run(Thread.java:745)
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="SmallOperatingSystem-PT-MT0064DC0032"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/user/u8/hulinhub/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
# this is specific to your benchmark or test
export BIN_DIR="$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-MT0064DC0032.tgz
mv SmallOperatingSystem-PT-MT0064DC0032 execution
# this is for BenchKit: explicit launching of the test
cd execution
echo "====================================================================="
echo " Generated by BenchKit 2-2270"
echo " Executing tool itstools"
echo " Input is SmallOperatingSystem-PT-MT0064DC0032, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r257su-blw3-143374346100220"
echo "====================================================================="
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "ReachabilityFireability" = "ReachabilityComputeBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityFireability.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 '
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 ;