Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r517-tall-167987243300006.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
......................
=====================================================================
Generated by BenchKit 2-5348
Executing tool itstools
Input is Anderson-PT-04, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r517-tall-167987243300006
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 428K
-rw-r--r-- 1 mcc users 6.4K Mar 23 15:19 CTLCardinality.txt
-rw-r--r-- 1 mcc users 63K Mar 23 15:19 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K Mar 23 15:19 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Mar 23 15:19 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Mar 23 07:06 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Mar 23 07:06 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.0K Mar 23 07:06 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K Mar 23 07:06 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Mar 26 22:42 NewModel
-rw-r--r-- 1 mcc users 7.6K Mar 23 15:20 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 70K Mar 23 15:20 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Mar 23 15:20 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 32K Mar 23 15:20 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 23 07:06 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 23 07:06 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 26 22:42 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 26 22:42 instance
-rw-r--r-- 1 mcc users 6 Mar 26 22:42 iscolored
-rw-r--r-- 1 mcc users 103K Mar 31 16:48 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 Anderson-PT-04-ReachabilityCardinality-00
FORMULA_NAME Anderson-PT-04-ReachabilityCardinality-01
FORMULA_NAME Anderson-PT-04-ReachabilityCardinality-02
FORMULA_NAME Anderson-PT-04-ReachabilityCardinality-03
FORMULA_NAME Anderson-PT-04-ReachabilityCardinality-04
FORMULA_NAME Anderson-PT-04-ReachabilityCardinality-05
FORMULA_NAME Anderson-PT-04-ReachabilityCardinality-06
FORMULA_NAME Anderson-PT-04-ReachabilityCardinality-07
FORMULA_NAME Anderson-PT-04-ReachabilityCardinality-08
FORMULA_NAME Anderson-PT-04-ReachabilityCardinality-09
FORMULA_NAME Anderson-PT-04-ReachabilityCardinality-10
FORMULA_NAME Anderson-PT-04-ReachabilityCardinality-11
FORMULA_NAME Anderson-PT-04-ReachabilityCardinality-12
FORMULA_NAME Anderson-PT-04-ReachabilityCardinality-13
FORMULA_NAME Anderson-PT-04-ReachabilityCardinality-14
FORMULA_NAME Anderson-PT-04-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1680840959715

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=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Anderson-PT-04
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202304061127
[2023-04-07 04:16:01] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2023-04-07 04:16:01] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-04-07 04:16:01] [INFO ] Load time of PNML (sax parser for PT used): 55 ms
[2023-04-07 04:16:01] [INFO ] Transformed 105 places.
[2023-04-07 04:16:01] [INFO ] Transformed 200 transitions.
[2023-04-07 04:16:01] [INFO ] Found NUPN structural information;
[2023-04-07 04:16:01] [INFO ] Parsed PT model containing 105 places and 200 transitions and 752 arcs in 125 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 11 ms.
Working with output stream class java.io.PrintStream
FORMULA Anderson-PT-04-ReachabilityCardinality-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Anderson-PT-04-ReachabilityCardinality-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Anderson-PT-04-ReachabilityCardinality-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Anderson-PT-04-ReachabilityCardinality-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Anderson-PT-04-ReachabilityCardinality-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Anderson-PT-04-ReachabilityCardinality-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-04-07 04:16:01] [INFO ] Flatten gal took : 67 ms
[2023-04-07 04:16:01] [INFO ] Flatten gal took : 22 ms
[2023-04-07 04:16:01] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10823659545560163942.gal : 15 ms
[2023-04-07 04:16:01] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9228133990713046073.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202304061127/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality10823659545560163942.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9228133990713046073.prop' '--nowitness' '--gen-order' 'FOLLOW'
Incomplete random walk after 10000 steps, including 2 resets, run finished after 377 ms. (steps per millisecond=26 ) properties (out of 10) seen :8
FORMULA Anderson-PT-04-ReachabilityCardinality-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Anderson-PT-04-ReachabilityCardinality-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Anderson-PT-04-ReachabilityCardinality-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Anderson-PT-04-ReachabilityCardinality-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Anderson-PT-04-ReachabilityCardinality-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Anderson-PT-04-ReachabilityCardinality-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK

FORMULA Anderson-PT-04-ReachabilityCardinality-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Anderson-PT-04-ReachabilityCardinality-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202304061127/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality9228133990713046073.prop.
SDD proceeding with computation,10 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,10 properties remain. new max is 8
SDD size :3 after 8
SDD proceeding with computation,10 properties remain. new max is 16
SDD size :8 after 12
SDD proceeding with computation,10 properties remain. new max is 32
SDD size :12 after 40
SDD proceeding with computation,10 properties remain. new max is 64
SDD size :40 after 76
SDD proceeding with computation,10 properties remain. new max is 128
SDD size :76 after 229
SDD proceeding with computation,10 properties remain. new max is 256
SDD size :229 after 858
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 85 ms. (steps per millisecond=117 ) properties (out of 2) seen :0
SDD proceeding with computation,10 properties remain. new max is 512
SDD size :858 after 1080
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 62 ms. (steps per millisecond=161 ) properties (out of 2) seen :0
Running SMT prover for 2 properties.
// Phase 1: matrix 200 rows 105 cols
[2023-04-07 04:16:02] [INFO ] Computed 11 invariants in 23 ms
SDD proceeding with computation,10 properties remain. new max is 1024
SDD size :1080 after 3213
[2023-04-07 04:16:02] [INFO ] After 136ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-04-07 04:16:02] [INFO ] [Nat]Absence check using 5 positive place invariants in 9 ms returned sat
[2023-04-07 04:16:02] [INFO ] [Nat]Absence check using 5 positive and 6 generalized place invariants in 3 ms returned sat
SDD proceeding with computation,10 properties remain. new max is 2048
SDD size :3213 after 4560
[2023-04-07 04:16:02] [INFO ] After 104ms SMT Verify possible using state equation in natural domain returned unsat :1 sat :1
[2023-04-07 04:16:02] [INFO ] State equation strengthened by 12 read => feed constraints.
[2023-04-07 04:16:02] [INFO ] After 80ms SMT Verify possible using 12 Read/Feed constraints in natural domain returned unsat :1 sat :1
Invariant property Anderson-PT-04-ReachabilityCardinality-03 does not hold.
SDD proceeding with computation,9 properties remain. new max is 2048
SDD size :4560 after 7639
Reachability property Anderson-PT-04-ReachabilityCardinality-13 is true.
Reachability property Anderson-PT-04-ReachabilityCardinality-07 is true.
FORMULA Anderson-PT-04-ReachabilityCardinality-07 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,7 properties remain. new max is 2048
SDD size :7639 after 10606
Reachability property Anderson-PT-04-ReachabilityCardinality-11 is true.
Invariant property Anderson-PT-04-ReachabilityCardinality-01 does not hold.
SDD proceeding with computation,5 properties remain. new max is 2048
SDD size :10606 after 13065
Reachability property Anderson-PT-04-ReachabilityCardinality-08 is true.
Invariant property Anderson-PT-04-ReachabilityCardinality-05 does not hold.
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :13065 after 15825
[2023-04-07 04:16:04] [INFO ] Deduced a trap composed of 46 places in 1869 ms of which 7 ms to minimize.
[2023-04-07 04:16:04] [INFO ] Deduced a trap composed of 53 places in 68 ms of which 1 ms to minimize.
[2023-04-07 04:16:04] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1993 ms
[2023-04-07 04:16:04] [INFO ] After 2130ms SMT Verify possible using trap constraints in natural domain returned unsat :1 sat :1
Attempting to minimize the solution found.
Minimization took 51 ms.
[2023-04-07 04:16:04] [INFO ] After 2360ms SMT Verify possible using all constraints in natural domain returned unsat :1 sat :1
FORMULA Anderson-PT-04-ReachabilityCardinality-00 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1 ms.
ITS runner failed with exception null
java.lang.InterruptedException
at java.base/java.lang.Object.wait(Native Method)
at java.base/java.lang.Thread.join(Thread.java:1304)
at java.base/java.lang.Thread.join(Thread.java:1372)
at fr.lip6.move.gal.application.runner.AbstractRunner.join(AbstractRunner.java:27)
at fr.lip6.move.gal.application.runner.its.ITSRunner.join(ITSRunner.java:177)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.verifyWithSDD(GlobalPropertySolver.java:675)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.lambda$2(ReachabilitySolver.java:63)
at java.base/java.lang.Thread.run(Thread.java:833)
All properties solved without resorting to model-checking.
Total runtime 3356 ms.
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :15825 after 18318
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,29641,4.0072,126596,2,24273,27,321366,9,0,685,349934,0
Total reachable state count : 29641

Verifying 10 reachability properties.
Reachability property Anderson-PT-04-ReachabilityCardinality-00 does not hold.
No reachable states exhibit your property : Anderson-PT-04-ReachabilityCardinality-00

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Anderson-PT-04-ReachabilityCardinality-00,0,4.02537,126596,1,0,27,321366,9,0,705,349934,0
Invariant property Anderson-PT-04-ReachabilityCardinality-01 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Anderson-PT-04-ReachabilityCardinality-01,2022,4.04022,126596,2,6298,27,321366,10,0,733,349934,0
Invariant property Anderson-PT-04-ReachabilityCardinality-03 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Anderson-PT-04-ReachabilityCardinality-03,55,4.04127,126596,2,376,27,321366,11,0,738,349934,0
Invariant property Anderson-PT-04-ReachabilityCardinality-05 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Anderson-PT-04-ReachabilityCardinality-05,280,4.0436,126596,2,601,27,321366,12,0,740,349934,0
Reachability property Anderson-PT-04-ReachabilityCardinality-07 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Anderson-PT-04-ReachabilityCardinality-07,18,4.10987,126596,2,493,27,321366,13,0,817,349934,0
Reachability property Anderson-PT-04-ReachabilityCardinality-08 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Anderson-PT-04-ReachabilityCardinality-08,520,4.11069,126596,2,2051,27,321366,14,0,819,349934,0
Invariant property Anderson-PT-04-ReachabilityCardinality-10 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Anderson-PT-04-ReachabilityCardinality-10,21,4.13455,126596,2,365,27,321366,14,0,833,349934,0
Reachability property Anderson-PT-04-ReachabilityCardinality-11 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Anderson-PT-04-ReachabilityCardinality-11,182,4.1351,126596,2,595,27,321366,15,0,839,349934,0
Reachability property Anderson-PT-04-ReachabilityCardinality-13 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Anderson-PT-04-ReachabilityCardinality-13,448,4.13559,126596,2,1277,27,321366,16,0,841,349934,0
Reachability property Anderson-PT-04-ReachabilityCardinality-14 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Anderson-PT-04-ReachabilityCardinality-14,261,4.14021,126596,2,1640,27,321366,16,0,846,349934,0

BK_STOP 1680840982733

--------------------
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
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -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 ReachabilityCardinality -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="Anderson-PT-04"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="itstools"
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 2-5348"
echo " Executing tool itstools"
echo " Input is Anderson-PT-04, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r517-tall-167987243300006"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Anderson-PT-04.tgz
mv Anderson-PT-04 execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;