fond
Model Checking Contest 2024
14th edition, Geneva, Switzerland, June 25, 2024
Execution of r351-tall-171679101600075
Last Updated
July 7, 2024

About the Execution of 2023-gold for RingSingleMessageInMbox-PT-d2m010

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
16157.376 3600000.00 3476992.00 251459.90 ?TTFFF?FTT???F?T 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.r351-tall-171679101600075.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 RingSingleMessageInMbox-PT-d2m010, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r351-tall-171679101600075
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 102M
-rw-r--r-- 1 mcc users 8.1K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 88K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 40K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.1K Apr 23 07:48 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Apr 23 07:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K May 19 07:29 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 19 18:57 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 14 13:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 117K May 14 13:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.4K May 14 13:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 74K May 14 13:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 19 07:15 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K May 19 15:30 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 7 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 102M 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 booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME RingSingleMessageInMbox-PT-d2m010-ReachabilityFireability-2024-00
FORMULA_NAME RingSingleMessageInMbox-PT-d2m010-ReachabilityFireability-2024-01
FORMULA_NAME RingSingleMessageInMbox-PT-d2m010-ReachabilityFireability-2024-02
FORMULA_NAME RingSingleMessageInMbox-PT-d2m010-ReachabilityFireability-2024-03
FORMULA_NAME RingSingleMessageInMbox-PT-d2m010-ReachabilityFireability-2024-04
FORMULA_NAME RingSingleMessageInMbox-PT-d2m010-ReachabilityFireability-2024-05
FORMULA_NAME RingSingleMessageInMbox-PT-d2m010-ReachabilityFireability-2023-06
FORMULA_NAME RingSingleMessageInMbox-PT-d2m010-ReachabilityFireability-2024-07
FORMULA_NAME RingSingleMessageInMbox-PT-d2m010-ReachabilityFireability-2024-08
FORMULA_NAME RingSingleMessageInMbox-PT-d2m010-ReachabilityFireability-2024-09
FORMULA_NAME RingSingleMessageInMbox-PT-d2m010-ReachabilityFireability-2023-10
FORMULA_NAME RingSingleMessageInMbox-PT-d2m010-ReachabilityFireability-2024-11
FORMULA_NAME RingSingleMessageInMbox-PT-d2m010-ReachabilityFireability-2024-12
FORMULA_NAME RingSingleMessageInMbox-PT-d2m010-ReachabilityFireability-2024-13
FORMULA_NAME RingSingleMessageInMbox-PT-d2m010-ReachabilityFireability-2023-14
FORMULA_NAME RingSingleMessageInMbox-PT-d2m010-ReachabilityFireability-2023-15

=== Now, execution of the tool begins

BK_START 1716849020551

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=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=RingSingleMessageInMbox-PT-d2m010
Applying reductions before tool lola
Invoking reducer
Running Version 202304061127
[2024-05-27 22:30:24] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2024-05-27 22:30:24] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-27 22:30:27] [INFO ] Load time of PNML (sax parser for PT used): 3178 ms
[2024-05-27 22:30:29] [INFO ] Transformed 66950 places.
[2024-05-27 22:30:29] [INFO ] Transformed 213625 transitions.
[2024-05-27 22:30:29] [INFO ] Parsed PT model containing 66950 places and 213625 transitions and 854500 arcs in 5044 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 85 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 36863 places in 411 ms
Reduce places removed 36863 places and 0 transitions.
Incomplete random walk after 10000 steps, including 1471 resets, run finished after 27565 ms. (steps per millisecond=0 ) properties (out of 16) seen :7
FORMULA RingSingleMessageInMbox-PT-d2m010-ReachabilityFireability-2023-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA RingSingleMessageInMbox-PT-d2m010-ReachabilityFireability-2024-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA RingSingleMessageInMbox-PT-d2m010-ReachabilityFireability-2024-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA RingSingleMessageInMbox-PT-d2m010-ReachabilityFireability-2024-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA RingSingleMessageInMbox-PT-d2m010-ReachabilityFireability-2024-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA RingSingleMessageInMbox-PT-d2m010-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA RingSingleMessageInMbox-PT-d2m010-ReachabilityFireability-2024-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 15 resets, run finished after 282 ms. (steps per millisecond=35 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 10 resets, run finished after 208 ms. (steps per millisecond=48 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 14 resets, run finished after 261 ms. (steps per millisecond=38 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 13 resets, run finished after 307 ms. (steps per millisecond=32 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 11 resets, run finished after 239 ms. (steps per millisecond=41 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 12 resets, run finished after 255 ms. (steps per millisecond=39 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 11 resets, run finished after 202 ms. (steps per millisecond=49 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 8 resets, run finished after 219 ms. (steps per millisecond=45 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 4 resets, run finished after 128 ms. (steps per millisecond=78 ) properties (out of 9) seen :0
Running SMT prover for 9 properties.
// Phase 1: matrix 213625 rows 30087 cols
[2024-05-27 22:33:01] [WARNING] Invariant computation timed out after 120 seconds.
[2024-05-27 22:33:10] [INFO ] After 9575ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:9
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.verifyPossible(DeadlockTester.java:632)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:353)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:226)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:96)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:944)
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)
[2024-05-27 22:33:35] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2024-05-27 22:33:35] [INFO ] After 25024ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:9
Fused 9 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1 ms.
Support contains 100 out of 30087 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30087/30087 places, 213625/213625 transitions.
Graph (complete) has 273427 edges and 30087 vertex of which 30026 are kept as prefixes of interest. Removing 61 places using SCC suffix rule.214 ms
Discarding 61 places :
Also discarding 0 output transitions
Drop transitions removed 56 transitions
Ensure Unique test removed 300 transitions
Reduce isomorphic transitions removed 356 transitions.
Iterating post reduction 0 with 356 rules applied. Total rules applied 357 place count 30026 transition count 213269
Discarding 233 places :
Symmetric choice reduction at 1 with 233 rule applications. Total rules 590 place count 29793 transition count 181050
Iterating global reduction 1 with 233 rules applied. Total rules applied 823 place count 29793 transition count 181050
Applied a total of 823 rules in 4691 ms. Remains 29793 /30087 variables (removed 294) and now considering 181050/213625 (removed 32575) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4714 ms. Remains : 29793/30087 places, 181050/213625 transitions.
Incomplete random walk after 10000 steps, including 1474 resets, run finished after 23406 ms. (steps per millisecond=0 ) properties (out of 9) seen :3
FORMULA RingSingleMessageInMbox-PT-d2m010-ReachabilityFireability-2024-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA RingSingleMessageInMbox-PT-d2m010-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA RingSingleMessageInMbox-PT-d2m010-ReachabilityFireability-2024-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 18 resets, run finished after 245 ms. (steps per millisecond=40 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 7 resets, run finished after 139 ms. (steps per millisecond=71 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 6 resets, run finished after 131 ms. (steps per millisecond=76 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 112 ms. (steps per millisecond=89 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 212 ms. (steps per millisecond=47 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 8 resets, run finished after 166 ms. (steps per millisecond=60 ) properties (out of 6) seen :0
Running SMT prover for 6 properties.
// Phase 1: matrix 181050 rows 29793 cols
[2024-05-27 22:34:43] [INFO ] Computed 5 invariants in 222527 ms
[2024-05-27 22:34:53] [INFO ] Computed 4 invariants in 48510 ms
[2024-05-27 22:35:02] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 2474 ms returned sat
[2024-05-27 22:35:03] [INFO ] After 9595ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:6
[2024-05-27 22:35:09] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 342 ms returned sat
[2024-05-27 22:35:28] [INFO ] After 16684ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
starting LoLA
BK_INPUT RingSingleMessageInMbox-PT-d2m010
BK_EXAMINATION: ReachabilityFireability
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution
ReachabilityFireability
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16393216 kB
MemFree: 12306728 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16108332 kB

BK_TIME_CONFINEMENT_REACHED

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

+ 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//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202304061127.jar
+ VERSION=202304061127
+ echo 'Running Version 202304061127'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -timeout 360 -rebuildPNML
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/ReachabilityFireability.xml
lola: caught signal Terminated - aborting LoLA

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
RingSingleMessageInMbox-PT-d2m010-ReachabilityFireability-2024-00: AG unknown AGGR
RingSingleMessageInMbox-PT-d2m010-ReachabilityFireability-2024-01: EF unknown AGGR
RingSingleMessageInMbox-PT-d2m010-ReachabilityFireability-2024-02: EF unknown AGGR
RingSingleMessageInMbox-PT-d2m010-ReachabilityFireability-2024-03: AG unknown AGGR
RingSingleMessageInMbox-PT-d2m010-ReachabilityFireability-2024-04: AG unknown AGGR


Time elapsed: 2959 secs. Pages in use: 0

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="RingSingleMessageInMbox-PT-d2m010"
export BK_EXAMINATION="ReachabilityFireability"
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 RingSingleMessageInMbox-PT-d2m010, 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 r351-tall-171679101600075"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RingSingleMessageInMbox-PT-d2m010.tgz
mv RingSingleMessageInMbox-PT-d2m010 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; 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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;