About the Execution of ITS-Tools for DatabaseWithMutex-PT-10
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
0.000 | 6224.00 | 0.00 | 0.00 | TTTTFTFTFTTTTTFT | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r044-tall-174854029200847.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is DatabaseWithMutex-PT-10, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r044-tall-174854029200847
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.9M
-rw-r--r-- 1 mcc users 127K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 596K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 124K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 656K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.7K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 60K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 202K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 50K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 190K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 264K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 1.2M May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 87K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 435K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 13K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 29K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 840K May 29 14:32 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of booleans
BOOL_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME DatabaseWithMutex-PT-10-ReachabilityFireability-2025-00
FORMULA_NAME DatabaseWithMutex-PT-10-ReachabilityFireability-2025-01
FORMULA_NAME DatabaseWithMutex-PT-10-ReachabilityFireability-2025-02
FORMULA_NAME DatabaseWithMutex-PT-10-ReachabilityFireability-2025-03
FORMULA_NAME DatabaseWithMutex-PT-10-ReachabilityFireability-2025-04
FORMULA_NAME DatabaseWithMutex-PT-10-ReachabilityFireability-2025-05
FORMULA_NAME DatabaseWithMutex-PT-10-ReachabilityFireability-2025-06
FORMULA_NAME DatabaseWithMutex-PT-10-ReachabilityFireability-2025-07
FORMULA_NAME DatabaseWithMutex-PT-10-ReachabilityFireability-2025-08
FORMULA_NAME DatabaseWithMutex-PT-10-ReachabilityFireability-2025-09
FORMULA_NAME DatabaseWithMutex-PT-10-ReachabilityFireability-2025-10
FORMULA_NAME DatabaseWithMutex-PT-10-ReachabilityFireability-2025-11
FORMULA_NAME DatabaseWithMutex-PT-10-ReachabilityFireability-2025-12
FORMULA_NAME DatabaseWithMutex-PT-10-ReachabilityFireability-2025-13
FORMULA_NAME DatabaseWithMutex-PT-10-ReachabilityFireability-2025-14
FORMULA_NAME DatabaseWithMutex-PT-10-ReachabilityFireability-2025-15
=== Now, execution of the tool begins
BK_START 1748672823163
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DatabaseWithMutex-PT-10
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202505121319
[2025-05-31 06:27:04] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-05-31 06:27:04] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-31 06:27:04] [INFO ] Load time of PNML (sax parser for PT used): 125 ms
[2025-05-31 06:27:04] [INFO ] Transformed 830 places.
[2025-05-31 06:27:04] [INFO ] Transformed 800 transitions.
[2025-05-31 06:27:04] [INFO ] Found NUPN structural information;
[2025-05-31 06:27:04] [INFO ] Parsed PT model containing 830 places and 800 transitions and 3800 arcs in 220 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 30 ms.
Working with output stream class java.io.PrintStream
[2025-05-31 06:27:04] [INFO ] Reduced 90 identical enabling conditions.
[2025-05-31 06:27:04] [INFO ] Reduced 90 identical enabling conditions.
[2025-05-31 06:27:04] [INFO ] Reduced 90 identical enabling conditions.
[2025-05-31 06:27:04] [INFO ] Reduced 90 identical enabling conditions.
[2025-05-31 06:27:04] [INFO ] Reduced 90 identical enabling conditions.
RANDOM walk for 40000 steps (8 resets) in 1633 ms. (24 steps per ms) remains 1/16 properties
FORMULA DatabaseWithMutex-PT-10-ReachabilityFireability-2025-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DatabaseWithMutex-PT-10-ReachabilityFireability-2025-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DatabaseWithMutex-PT-10-ReachabilityFireability-2025-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DatabaseWithMutex-PT-10-ReachabilityFireability-2025-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DatabaseWithMutex-PT-10-ReachabilityFireability-2025-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DatabaseWithMutex-PT-10-ReachabilityFireability-2025-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DatabaseWithMutex-PT-10-ReachabilityFireability-2025-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DatabaseWithMutex-PT-10-ReachabilityFireability-2025-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DatabaseWithMutex-PT-10-ReachabilityFireability-2025-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DatabaseWithMutex-PT-10-ReachabilityFireability-2025-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DatabaseWithMutex-PT-10-ReachabilityFireability-2025-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DatabaseWithMutex-PT-10-ReachabilityFireability-2025-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DatabaseWithMutex-PT-10-ReachabilityFireability-2025-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DatabaseWithMutex-PT-10-ReachabilityFireability-2025-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DatabaseWithMutex-PT-10-ReachabilityFireability-2025-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2025-05-31 06:27:05] [INFO ] Flatten gal took : 265 ms
BEST_FIRST walk for 40004 steps (8 resets) in 604 ms. (66 steps per ms) remains 1/1 properties
[2025-05-31 06:27:05] [INFO ] Flatten gal took : 100 ms
// Phase 1: matrix 800 rows 830 cols
[2025-05-31 06:27:05] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12378104130482996713.gal : 58 ms
[2025-05-31 06:27:05] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3678776015105942353.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality12378104130482996713.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3678776015105942353.prop' '--nowitness' '--gen-order' 'FOLLOW'
[2025-05-31 06:27:05] [INFO ] Computed 130 invariants in 95 ms
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Loading property file /tmp/ReachabilityCardinality3678776015105942353.prop.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/55 variables, 55/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/55 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 117/172 variables, 9/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/172 variables, 117/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/172 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 67/239 variables, 5/186 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/239 variables, 67/253 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/239 variables, 0/253 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :8 after 9
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :9 after 11
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :11 after 25
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :25 after 154
At refinement iteration 8 (OVERLAPS) 579/818 variables, 108/361 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/818 variables, 579/940 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/818 variables, 0/940 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 6/824 variables, 5/945 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/824 variables, 6/951 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/824 variables, 0/951 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 6/830 variables, 3/954 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/830 variables, 6/960 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/830 variables, 0/960 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :154 after 1102
At refinement iteration 17 (OVERLAPS) 800/1630 variables, 830/1790 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1630 variables, 0/1790 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1630 variables, 0/1790 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1630/1630 variables, and 1790 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1639 ms.
Refiners :[Domain max(s): 830/830 constraints, Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 111/111 constraints, State Equation: 830/830 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/55 variables, 55/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/55 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 117/172 variables, 9/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/172 variables, 117/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/172 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 67/239 variables, 5/186 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/239 variables, 67/253 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/239 variables, 0/253 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 579/818 variables, 108/361 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/818 variables, 579/940 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/818 variables, 0/940 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 6/824 variables, 5/945 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/824 variables, 6/951 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/824 variables, 0/951 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 6/830 variables, 3/954 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/830 variables, 6/960 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :1102 after 3173
At refinement iteration 16 (INCLUDED_ONLY) 0/830 variables, 0/960 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :3173 after 3199
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :3199 after 3243
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :3243 after 3339
At refinement iteration 17 (OVERLAPS) 800/1630 variables, 830/1790 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :3339 after 3490
At refinement iteration 18 (INCLUDED_ONLY) 0/1630 variables, 0/1790 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1630 variables, 0/1790 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1630/1630 variables, and 1790 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2009 ms.
Refiners :[Domain max(s): 830/830 constraints, Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 111/111 constraints, State Equation: 830/830 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3824ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 3564 steps, including 21 resets, run visited all 1 properties in 45 ms. (steps per millisecond=79 )
FORMULA DatabaseWithMutex-PT-10-ReachabilityFireability-2025-11 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 55 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 5014 ms.
BK_STOP 1748672829387
--------------------
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
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -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
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -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="DatabaseWithMutex-PT-10"
export BK_EXAMINATION="ReachabilityFireability"
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 2-5832"
echo " Executing tool itstools"
echo " Input is DatabaseWithMutex-PT-10, 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 r044-tall-174854029200847"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DatabaseWithMutex-PT-10.tgz
mv DatabaseWithMutex-PT-10 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.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 [ "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 ;