About the Execution of ITS-Tools for NoC3x3-PT-7A
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 245.436 | 7393.00 | 17131.00 | 115.90 | FTTTTTTTFTTTTTTF | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2022-input.r150-smll-165276998500214.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2022-input.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 2-4028
Executing tool itstools
Input is NoC3x3-PT-7A, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r150-smll-165276998500214
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 776K
-rw-r--r-- 1 mcc users 5.8K Apr 29 13:12 CTLCardinality.txt
-rw-r--r-- 1 mcc users 59K Apr 29 13:12 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K Apr 29 13:07 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Apr 29 13:07 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 10 09:34 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.1K May 10 09:34 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.8K May 9 08:22 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 9 08:22 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 9 08:22 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 9 08:22 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Apr 29 13:16 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 116K Apr 29 13:16 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.0K Apr 29 13:15 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 71K Apr 29 13:15 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K May 9 08:22 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 9 08:22 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 10 09:34 equiv_col
-rw-r--r-- 1 mcc users 3 May 10 09:34 instance
-rw-r--r-- 1 mcc users 6 May 10 09:34 iscolored
-rw-r--r-- 1 mcc users 355K May 10 09:34 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 NoC3x3-PT-7A-ReachabilityCardinality-00
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-01
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-02
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-03
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-04
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-05
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-06
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-07
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-08
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-09
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-10
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-11
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-12
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-13
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-14
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-15
=== Now, execution of the tool begins
BK_START 1654248524099
Running Version 202205111006
[2022-06-03 09:28:45] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -spotpath, /home/mcc/BenchKit/bin//..//ltlfilt, -z3path, /home/mcc/BenchKit/bin//..//z3/bin/z3, -yices2path, /home/mcc/BenchKit/bin//..//yices/bin/yices, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2022-06-03 09:28:45] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-06-03 09:28:46] [INFO ] Load time of PNML (sax parser for PT used): 311 ms
[2022-06-03 09:28:46] [INFO ] Transformed 801 places.
[2022-06-03 09:28:46] [INFO ] Transformed 1544 transitions.
[2022-06-03 09:28:46] [INFO ] Found NUPN structural information;
[2022-06-03 09:28:46] [INFO ] Parsed PT model containing 801 places and 1544 transitions in 513 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 26 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 107 transitions
Reduce redundant transitions removed 107 transitions.
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1035 ms. (steps per millisecond=9 ) properties (out of 14) seen :4
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 67 ms. (steps per millisecond=149 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 86 ms. (steps per millisecond=116 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 60 ms. (steps per millisecond=166 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 61 ms. (steps per millisecond=163 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 56 ms. (steps per millisecond=178 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 10) seen :0
Running SMT prover for 10 properties.
[2022-06-03 09:28:48] [INFO ] Flow matrix only has 1355 transitions (discarded 82 similar events)
// Phase 1: matrix 1355 rows 801 cols
[2022-06-03 09:28:48] [INFO ] Computed 111 place invariants in 67 ms
[2022-06-03 09:28:49] [INFO ] After 849ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:10
[2022-06-03 09:28:49] [INFO ] [Nat]Absence check using 82 positive place invariants in 68 ms returned sat
[2022-06-03 09:28:49] [INFO ] [Nat]Absence check using 82 positive and 29 generalized place invariants in 24 ms returned sat
[2022-06-03 09:28:50] [INFO ] After 698ms SMT Verify possible using state equation in natural domain returned unsat :9 sat :1
[2022-06-03 09:28:50] [INFO ] State equation strengthened by 38 read => feed constraints.
[2022-06-03 09:28:50] [INFO ] After 81ms SMT Verify possible using 38 Read/Feed constraints in natural domain returned unsat :9 sat :1
[2022-06-03 09:28:50] [INFO ] After 222ms SMT Verify possible using trap constraints in natural domain returned unsat :9 sat :1
Attempting to minimize the solution found.
Minimization took 78 ms.
[2022-06-03 09:28:50] [INFO ] After 1435ms SMT Verify possible using all constraints in natural domain returned unsat :9 sat :1
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-14 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-12 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-11 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-10 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-07 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-04 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-03 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-02 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-01 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 10 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 238 ms.
Support contains 14 out of 801 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 801/801 places, 1437/1437 transitions.
Graph (trivial) has 717 edges and 801 vertex of which 87 / 801 are part of one of the 8 SCC in 8 ms
Free SCC test removed 79 places
Drop transitions removed 160 transitions
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 170 transitions.
Discarding 178 places :
Symmetric choice reduction at 0 with 178 rule applications. Total rules 179 place count 544 transition count 1009
Ensure Unique test removed 44 places
Iterating global reduction 0 with 222 rules applied. Total rules applied 401 place count 500 transition count 1009
Ensure Unique test removed 61 transitions
Reduce isomorphic transitions removed 61 transitions.
Drop transitions removed 13 transitions
Trivial Post-agglo rules discarded 13 transitions
Performed 13 trivial Post agglomeration. Transition count delta: 13
Iterating post reduction 0 with 74 rules applied. Total rules applied 475 place count 500 transition count 935
Reduce places removed 13 places and 0 transitions.
Iterating post reduction 1 with 13 rules applied. Total rules applied 488 place count 487 transition count 935
Performed 137 Post agglomeration using F-continuation condition with reduction of 23 identical transitions.
Deduced a syphon composed of 137 places in 1 ms
Reduce places removed 137 places and 0 transitions.
Iterating global reduction 2 with 274 rules applied. Total rules applied 762 place count 350 transition count 775
Ensure Unique test removed 84 transitions
Reduce isomorphic transitions removed 84 transitions.
Iterating post reduction 2 with 84 rules applied. Total rules applied 846 place count 350 transition count 691
Performed 15 Post agglomeration using F-continuation condition with reduction of 6 identical transitions.
Deduced a syphon composed of 15 places in 1 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 3 with 30 rules applied. Total rules applied 876 place count 335 transition count 670
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 3 with 11 rules applied. Total rules applied 887 place count 335 transition count 659
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: -11
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 4 with 32 rules applied. Total rules applied 919 place count 319 transition count 670
Drop transitions removed 119 transitions
Redundant transition composition rules discarded 119 transitions
Iterating global reduction 4 with 119 rules applied. Total rules applied 1038 place count 319 transition count 551
Reduce places removed 8 places and 0 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 4 with 9 rules applied. Total rules applied 1047 place count 311 transition count 550
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 1048 place count 310 transition count 550
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 8 Pre rules applied. Total rules applied 1048 place count 310 transition count 542
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 6 with 16 rules applied. Total rules applied 1064 place count 302 transition count 542
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 6 with 4 rules applied. Total rules applied 1068 place count 300 transition count 540
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 6 with 2 rules applied. Total rules applied 1070 place count 300 transition count 538
Free-agglomeration rule applied 44 times with reduction of 23 identical transitions.
Iterating global reduction 6 with 44 rules applied. Total rules applied 1114 place count 300 transition count 471
Reduce places removed 44 places and 0 transitions.
Ensure Unique test removed 28 transitions
Reduce isomorphic transitions removed 28 transitions.
Iterating post reduction 6 with 72 rules applied. Total rules applied 1186 place count 256 transition count 443
Drop transitions removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 7 with 8 rules applied. Total rules applied 1194 place count 256 transition count 435
Free-agglomeration rule applied 3 times.
Iterating global reduction 7 with 3 rules applied. Total rules applied 1197 place count 256 transition count 432
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 7 with 6 rules applied. Total rules applied 1203 place count 253 transition count 429
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 8 with 1 rules applied. Total rules applied 1204 place count 253 transition count 428
Free-agglomeration rule (complex) applied 15 times with reduction of 2 identical transitions.
Iterating global reduction 8 with 15 rules applied. Total rules applied 1219 place count 253 transition count 467
Reduce places removed 15 places and 0 transitions.
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 8 with 21 rules applied. Total rules applied 1240 place count 238 transition count 461
Drop transitions removed 31 transitions
Redundant transition composition rules discarded 31 transitions
Iterating global reduction 9 with 31 rules applied. Total rules applied 1271 place count 238 transition count 430
Partial Free-agglomeration rule applied 34 times.
Drop transitions removed 34 transitions
Iterating global reduction 9 with 34 rules applied. Total rules applied 1305 place count 238 transition count 430
Applied a total of 1305 rules in 397 ms. Remains 238 /801 variables (removed 563) and now considering 430/1437 (removed 1007) transitions.
Finished structural reductions, in 1 iterations. Remains : 238/801 places, 430/1437 transitions.
Finished random walk after 3388 steps, including 0 resets, run visited all 1 properties in 24 ms. (steps per millisecond=141 )
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
All properties solved without resorting to model-checking.
Total runtime 5467 ms.
BK_STOP 1654248531492
--------------------
content from stderr:
+ export LANG=C
+ LANG=C
+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ export PYTHONPATH=/usr/lib/python3.9/site-packages/
+ PYTHONPATH=/usr/lib/python3.9/site-packages/
+ export LD_LIBRARY_PATH=/usr/local/lib:
+ LD_LIBRARY_PATH=/usr/local/lib:
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202205111006.jar
+ VERSION=202205111006
+ echo 'Running Version 202205111006'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data @none -pnfolder /home/mcc/execution -examination ReachabilityCardinality -spotpath /home/mcc/BenchKit/bin//..//ltlfilt -z3path /home/mcc/BenchKit/bin//..//z3/bin/z3 -yices2path /home/mcc/BenchKit/bin//..//yices/bin/yices -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=@none -Xss128m -Xms40m -Xmx8192m
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="NoC3x3-PT-7A"
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 2-4028"
echo " Executing tool itstools"
echo " Input is NoC3x3-PT-7A, 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 r150-smll-165276998500214"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/NoC3x3-PT-7A.tgz
mv NoC3x3-PT-7A 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 '
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 ;