About the Execution of 2023-gold for ShieldPPPt-PT-010B
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
366.768 | 13689.00 | 19842.00 | 413.00 | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2024-input.r373-tall-171683789200386.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.....................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5568
Executing tool gold2023
Input is ShieldPPPt-PT-010B, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r373-tall-171683789200386
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 572K
-rw-r--r-- 1 mcc users 5.7K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 60K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.5K May 19 07:16 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 19 16:35 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Apr 23 07:54 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Apr 23 07:54 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Apr 11 14:33 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 121K Apr 11 14:33 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 4.6K Apr 11 14:33 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 31K Apr 11 14:33 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 23 07:54 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 23 07:54 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 5 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 185K May 18 16:43 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of positive values
NUM_VECTOR
here is the order used to build the result vector(from text file)
FORMULA_NAME ShieldPPPt-PT-010B-UpperBounds-00
FORMULA_NAME ShieldPPPt-PT-010B-UpperBounds-01
FORMULA_NAME ShieldPPPt-PT-010B-UpperBounds-02
FORMULA_NAME ShieldPPPt-PT-010B-UpperBounds-03
FORMULA_NAME ShieldPPPt-PT-010B-UpperBounds-04
FORMULA_NAME ShieldPPPt-PT-010B-UpperBounds-05
FORMULA_NAME ShieldPPPt-PT-010B-UpperBounds-06
FORMULA_NAME ShieldPPPt-PT-010B-UpperBounds-07
FORMULA_NAME ShieldPPPt-PT-010B-UpperBounds-08
FORMULA_NAME ShieldPPPt-PT-010B-UpperBounds-09
FORMULA_NAME ShieldPPPt-PT-010B-UpperBounds-10
FORMULA_NAME ShieldPPPt-PT-010B-UpperBounds-11
FORMULA_NAME ShieldPPPt-PT-010B-UpperBounds-12
FORMULA_NAME ShieldPPPt-PT-010B-UpperBounds-13
FORMULA_NAME ShieldPPPt-PT-010B-UpperBounds-14
FORMULA_NAME ShieldPPPt-PT-010B-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1716984905304
bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=gold2023
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ShieldPPPt-PT-010B
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202304061127
[2024-05-29 12:15:07] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2024-05-29 12:15:07] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-29 12:15:07] [INFO ] Load time of PNML (sax parser for PT used): 88 ms
[2024-05-29 12:15:07] [INFO ] Transformed 783 places.
[2024-05-29 12:15:07] [INFO ] Transformed 713 transitions.
[2024-05-29 12:15:07] [INFO ] Found NUPN structural information;
[2024-05-29 12:15:07] [INFO ] Parsed PT model containing 783 places and 713 transitions and 1786 arcs in 175 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 5 ms.
// Phase 1: matrix 713 rows 783 cols
[2024-05-29 12:15:07] [INFO ] Computed 111 invariants in 28 ms
Incomplete random walk after 10000 steps, including 2 resets, run finished after 69 ms. (steps per millisecond=144 ) properties (out of 16) seen :15
FORMULA ShieldPPPt-PT-010B-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldPPPt-PT-010B-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldPPPt-PT-010B-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldPPPt-PT-010B-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldPPPt-PT-010B-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldPPPt-PT-010B-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldPPPt-PT-010B-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldPPPt-PT-010B-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldPPPt-PT-010B-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldPPPt-PT-010B-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldPPPt-PT-010B-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldPPPt-PT-010B-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldPPPt-PT-010B-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldPPPt-PT-010B-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldPPPt-PT-010B-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 1) seen :0
[2024-05-29 12:15:07] [INFO ] Invariant cache hit.
[2024-05-29 12:15:07] [INFO ] [Real]Absence check using 111 positive place invariants in 36 ms returned sat
[2024-05-29 12:15:07] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2024-05-29 12:15:08] [INFO ] [Real]Absence check using state equation in 270 ms returned sat
[2024-05-29 12:15:08] [INFO ] Solution in real domain found non-integer solution.
[2024-05-29 12:15:08] [INFO ] [Nat]Absence check using 111 positive place invariants in 31 ms returned sat
[2024-05-29 12:15:08] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2024-05-29 12:15:08] [INFO ] [Nat]Absence check using state equation in 226 ms returned sat
[2024-05-29 12:15:08] [INFO ] Deduced a trap composed of 21 places in 202 ms of which 5 ms to minimize.
[2024-05-29 12:15:09] [INFO ] Deduced a trap composed of 23 places in 184 ms of which 1 ms to minimize.
[2024-05-29 12:15:09] [INFO ] Deduced a trap composed of 17 places in 173 ms of which 1 ms to minimize.
[2024-05-29 12:15:09] [INFO ] Deduced a trap composed of 23 places in 150 ms of which 2 ms to minimize.
[2024-05-29 12:15:09] [INFO ] Deduced a trap composed of 24 places in 148 ms of which 0 ms to minimize.
[2024-05-29 12:15:09] [INFO ] Deduced a trap composed of 22 places in 140 ms of which 0 ms to minimize.
[2024-05-29 12:15:10] [INFO ] Deduced a trap composed of 18 places in 148 ms of which 2 ms to minimize.
[2024-05-29 12:15:10] [INFO ] Deduced a trap composed of 26 places in 134 ms of which 0 ms to minimize.
[2024-05-29 12:15:10] [INFO ] Deduced a trap composed of 25 places in 143 ms of which 0 ms to minimize.
[2024-05-29 12:15:10] [INFO ] Deduced a trap composed of 28 places in 127 ms of which 0 ms to minimize.
[2024-05-29 12:15:10] [INFO ] Deduced a trap composed of 21 places in 131 ms of which 0 ms to minimize.
[2024-05-29 12:15:10] [INFO ] Deduced a trap composed of 25 places in 119 ms of which 0 ms to minimize.
[2024-05-29 12:15:10] [INFO ] Deduced a trap composed of 20 places in 105 ms of which 0 ms to minimize.
[2024-05-29 12:15:11] [INFO ] Deduced a trap composed of 24 places in 105 ms of which 0 ms to minimize.
[2024-05-29 12:15:11] [INFO ] Deduced a trap composed of 18 places in 162 ms of which 1 ms to minimize.
[2024-05-29 12:15:11] [INFO ] Deduced a trap composed of 23 places in 161 ms of which 0 ms to minimize.
[2024-05-29 12:15:11] [INFO ] Deduced a trap composed of 20 places in 167 ms of which 0 ms to minimize.
[2024-05-29 12:15:12] [INFO ] Deduced a trap composed of 23 places in 165 ms of which 1 ms to minimize.
[2024-05-29 12:15:12] [INFO ] Deduced a trap composed of 18 places in 165 ms of which 0 ms to minimize.
[2024-05-29 12:15:12] [INFO ] Deduced a trap composed of 21 places in 155 ms of which 0 ms to minimize.
[2024-05-29 12:15:12] [INFO ] Deduced a trap composed of 18 places in 151 ms of which 1 ms to minimize.
[2024-05-29 12:15:12] [INFO ] Deduced a trap composed of 31 places in 147 ms of which 1 ms to minimize.
[2024-05-29 12:15:12] [INFO ] Deduced a trap composed of 24 places in 144 ms of which 1 ms to minimize.
[2024-05-29 12:15:13] [INFO ] Deduced a trap composed of 21 places in 168 ms of which 0 ms to minimize.
[2024-05-29 12:15:13] [INFO ] Deduced a trap composed of 21 places in 161 ms of which 1 ms to minimize.
[2024-05-29 12:15:13] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 0
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithTraps(DeadlockTester.java:1258)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:919)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2623)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:186)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:754)
at fr.lip6.move.gal.application.Application.start(Application.java:182)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
Current structural bounds on expressions (after SMT) : [1] Max seen :[0]
Support contains 1 out of 783 places. Attempting structural reductions.
Drop transitions removed 1 transitions
Starting structural reductions in REACHABILITY mode, iteration 0 : 783/783 places, 712/712 transitions.
Drop transitions removed 194 transitions
Trivial Post-agglo rules discarded 194 transitions
Performed 194 trivial Post agglomeration. Transition count delta: 194
Iterating post reduction 0 with 194 rules applied. Total rules applied 194 place count 783 transition count 518
Reduce places removed 194 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 1 with 196 rules applied. Total rules applied 390 place count 589 transition count 516
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 391 place count 588 transition count 516
Performed 40 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 40 Pre rules applied. Total rules applied 391 place count 588 transition count 476
Deduced a syphon composed of 40 places in 1 ms
Reduce places removed 40 places and 0 transitions.
Iterating global reduction 3 with 80 rules applied. Total rules applied 471 place count 548 transition count 476
Discarding 69 places :
Symmetric choice reduction at 3 with 69 rule applications. Total rules 540 place count 479 transition count 407
Iterating global reduction 3 with 69 rules applied. Total rules applied 609 place count 479 transition count 407
Performed 29 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 29 Pre rules applied. Total rules applied 609 place count 479 transition count 378
Deduced a syphon composed of 29 places in 1 ms
Reduce places removed 29 places and 0 transitions.
Iterating global reduction 3 with 58 rules applied. Total rules applied 667 place count 450 transition count 378
Performed 170 Post agglomeration using F-continuation condition.Transition count delta: 170
Deduced a syphon composed of 170 places in 1 ms
Reduce places removed 170 places and 0 transitions.
Iterating global reduction 3 with 340 rules applied. Total rules applied 1007 place count 280 transition count 208
Performed 28 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 28 places in 0 ms
Reduce places removed 28 places and 0 transitions.
Iterating global reduction 3 with 56 rules applied. Total rules applied 1063 place count 252 transition count 208
Partial Free-agglomeration rule applied 29 times.
Drop transitions removed 29 transitions
Iterating global reduction 3 with 29 rules applied. Total rules applied 1092 place count 252 transition count 208
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 1093 place count 251 transition count 207
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 1094 place count 250 transition count 207
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 2 Pre rules applied. Total rules applied 1094 place count 250 transition count 205
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 1098 place count 248 transition count 205
Applied a total of 1098 rules in 175 ms. Remains 248 /783 variables (removed 535) and now considering 205/712 (removed 507) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 177 ms. Remains : 248/783 places, 205/712 transitions.
// Phase 1: matrix 205 rows 248 cols
[2024-05-29 12:15:13] [INFO ] Computed 110 invariants in 2 ms
Incomplete random walk after 1000000 steps, including 266 resets, run finished after 3915 ms. (steps per millisecond=255 ) properties (out of 1) seen :1
FORMULA ShieldPPPt-PT-010B-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
All properties solved without resorting to model-checking.
Total runtime 10300 ms.
BK_STOP 1716984918993
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202304061127.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202304061127
+ echo 'Running Version 202304061127'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
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="ShieldPPPt-PT-010B"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2023"
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 gold2023"
echo " Input is ShieldPPPt-PT-010B, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r373-tall-171683789200386"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/ShieldPPPt-PT-010B.tgz
mv ShieldPPPt-PT-010B execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property UpperBounds.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "UpperBounds.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
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;