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.r521-tall-167987246200111.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 ltsminxred
Input is CryptoMiner-COL-D05N100, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r521-tall-167987246200111
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 520K
-rw-r--r-- 1 mcc users 8.1K Mar 23 15:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K Mar 23 15:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Mar 23 15:19 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Mar 23 15:19 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.1K Mar 23 07:06 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 23 07:06 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 23 07:06 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Mar 23 07:06 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Mar 26 22:42 NewModel
-rw-r--r-- 1 mcc users 14K Mar 23 15:23 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 131K Mar 23 15:23 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Mar 23 15:23 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 104K Mar 23 15:23 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 23 07:06 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 23 07:06 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 26 22:42 equiv_pt
-rw-r--r-- 1 mcc users 8 Mar 26 22:42 instance
-rw-r--r-- 1 mcc users 5 Mar 26 22:42 iscolored
-rw-r--r-- 1 mcc users 13K 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 CryptoMiner-COL-D05N100-ReachabilityFireability-00
FORMULA_NAME CryptoMiner-COL-D05N100-ReachabilityFireability-01
FORMULA_NAME CryptoMiner-COL-D05N100-ReachabilityFireability-02
FORMULA_NAME CryptoMiner-COL-D05N100-ReachabilityFireability-03
FORMULA_NAME CryptoMiner-COL-D05N100-ReachabilityFireability-04
FORMULA_NAME CryptoMiner-COL-D05N100-ReachabilityFireability-05
FORMULA_NAME CryptoMiner-COL-D05N100-ReachabilityFireability-06
FORMULA_NAME CryptoMiner-COL-D05N100-ReachabilityFireability-07
FORMULA_NAME CryptoMiner-COL-D05N100-ReachabilityFireability-08
FORMULA_NAME CryptoMiner-COL-D05N100-ReachabilityFireability-09
FORMULA_NAME CryptoMiner-COL-D05N100-ReachabilityFireability-10
FORMULA_NAME CryptoMiner-COL-D05N100-ReachabilityFireability-11
FORMULA_NAME CryptoMiner-COL-D05N100-ReachabilityFireability-12
FORMULA_NAME CryptoMiner-COL-D05N100-ReachabilityFireability-13
FORMULA_NAME CryptoMiner-COL-D05N100-ReachabilityFireability-14
FORMULA_NAME CryptoMiner-COL-D05N100-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1680877034902

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=ltsminxred
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CryptoMiner-COL-D05N100
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202304061127
[2023-04-07 14:17:16] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2023-04-07 14:17:16] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-04-07 14:17:16] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2023-04-07 14:17:16] [WARNING] Using fallBack plugin, rng conformance not checked
[2023-04-07 14:17:17] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 392 ms
[2023-04-07 14:17:17] [INFO ] Imported 3 HL places and 5 HL transitions for a total of 18 PT places and 30.0 transition bindings in 16 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 22 ms.
Working with output stream class java.io.PrintStream
FORMULA CryptoMiner-COL-D05N100-ReachabilityFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-04-07 14:17:17] [INFO ] Built PT skeleton of HLPN with 3 places and 5 transitions 14 arcs in 3 ms.
[2023-04-07 14:17:17] [INFO ] Skeletonized 15 HLPN properties in 0 ms.
Remains 2 properties that can be checked using skeleton over-approximation.
Initial state reduction rules removed 2 formulas.
FORMULA CryptoMiner-COL-D05N100-ReachabilityFireability-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CryptoMiner-COL-D05N100-ReachabilityFireability-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 3 stabilizing places and 3 stable transitions
Skeleton over-approximation was not fine enough to positively prove more properties of the HLPN.
Arc [0:1*[(MOD (ADD $x 1) 6)]] contains successor/predecessor on variables of sort CD
[2023-04-07 14:17:17] [INFO ] Unfolded HLPN to a Petri net with 18 places and 18 transitions 52 arcs in 6 ms.
[2023-04-07 14:17:17] [INFO ] Unfolded 13 HLPN properties in 0 ms.
Initial state reduction rules removed 3 formulas.
FORMULA CryptoMiner-COL-D05N100-ReachabilityFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CryptoMiner-COL-D05N100-ReachabilityFireability-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CryptoMiner-COL-D05N100-ReachabilityFireability-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CryptoMiner-COL-D05N100-ReachabilityFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10033 steps, including 4 resets, run finished after 70 ms. (steps per millisecond=143 ) properties (out of 9) seen :3
FORMULA CryptoMiner-COL-D05N100-ReachabilityFireability-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CryptoMiner-COL-D05N100-ReachabilityFireability-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CryptoMiner-COL-D05N100-ReachabilityFireability-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 171 ms. (steps per millisecond=58 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 159 ms. (steps per millisecond=62 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10000 steps, including 3 resets, run finished after 286 ms. (steps per millisecond=34 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10000 steps, including 24 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 6) seen :0
Running SMT prover for 6 properties.
// Phase 1: matrix 18 rows 18 cols
[2023-04-07 14:17:18] [INFO ] Computed 1 invariants in 4 ms
[2023-04-07 14:17:18] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2023-04-07 14:17:18] [INFO ] After 179ms SMT Verify possible using all constraints in real domain returned unsat :4 sat :0 real:2
[2023-04-07 14:17:18] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-04-07 14:17:18] [INFO ] After 22ms SMT Verify possible using state equation in natural domain returned unsat :5 sat :1
[2023-04-07 14:17:18] [INFO ] State equation strengthened by 5 read => feed constraints.
[2023-04-07 14:17:18] [INFO ] After 9ms SMT Verify possible using 5 Read/Feed constraints in natural domain returned unsat :5 sat :1
[2023-04-07 14:17:18] [INFO ] After 21ms SMT Verify possible using trap constraints in natural domain returned unsat :5 sat :1
Attempting to minimize the solution found.
Minimization took 9 ms.
[2023-04-07 14:17:18] [INFO ] After 96ms SMT Verify possible using all constraints in natural domain returned unsat :5 sat :1
FORMULA CryptoMiner-COL-D05N100-ReachabilityFireability-08 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA CryptoMiner-COL-D05N100-ReachabilityFireability-07 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA CryptoMiner-COL-D05N100-ReachabilityFireability-05 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA CryptoMiner-COL-D05N100-ReachabilityFireability-03 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA CryptoMiner-COL-D05N100-ReachabilityFireability-02 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 6 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 3 ms.
Support contains 16 out of 18 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 18/18 places, 18/18 transitions.
Graph (complete) has 28 edges and 18 vertex of which 17 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 9 ms. Remains 17 /18 variables (removed 1) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 17/18 places, 18/18 transitions.
Incomplete random walk after 10025 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=5012 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=1250 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 2938613 steps, run timeout after 3001 ms. (steps per millisecond=979 ) properties seen :{}
Probabilistic random walk after 2938613 steps, saw 1124235 distinct states, run finished after 3003 ms. (steps per millisecond=978 ) properties seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 18 rows 17 cols
[2023-04-07 14:17:21] [INFO ] Computed 0 invariants in 1 ms
[2023-04-07 14:17:21] [INFO ] After 78ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-04-07 14:17:21] [INFO ] After 20ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-04-07 14:17:21] [INFO ] State equation strengthened by 5 read => feed constraints.
[2023-04-07 14:17:21] [INFO ] After 6ms SMT Verify possible using 5 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-04-07 14:17:21] [INFO ] After 12ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 6 ms.
[2023-04-07 14:17:21] [INFO ] After 81ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 2 ms.
Support contains 16 out of 17 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 17/17 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 17 /17 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 17/17 places, 18/18 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 17/17 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 17 /17 variables (removed 0) and now considering 18/18 (removed 0) transitions.
[2023-04-07 14:17:21] [INFO ] Invariant cache hit.
[2023-04-07 14:17:21] [INFO ] Implicit Places using invariants in 18 ms returned []
[2023-04-07 14:17:21] [INFO ] Invariant cache hit.
[2023-04-07 14:17:21] [INFO ] State equation strengthened by 5 read => feed constraints.
[2023-04-07 14:17:21] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 56 ms to find 0 implicit places.
[2023-04-07 14:17:21] [INFO ] Redundant transitions in 1 ms returned []
[2023-04-07 14:17:21] [INFO ] Invariant cache hit.
[2023-04-07 14:17:21] [INFO ] Dead Transitions using invariants and state equation in 34 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 99 ms. Remains : 17/17 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 17 /17 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Running SMT prover for 1 properties.
[2023-04-07 14:17:21] [INFO ] Invariant cache hit.
[2023-04-07 14:17:21] [INFO ] After 35ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-04-07 14:17:21] [INFO ] After 12ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-04-07 14:17:21] [INFO ] After 23ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 54 ms.
[2023-04-07 14:17:21] [INFO ] After 144ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2023-04-07 14:17:21] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityFireability.sr.xml took 3 ms.
[2023-04-07 14:17:21] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 17 places, 18 transitions and 51 arcs took 1 ms.
[2023-04-07 14:17:21] [INFO ] Flatten gal took : 14 ms
Total runtime 5218 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-sym model.pnml --lace-workers=4 --vset=lddmc --saturation=sat -rbs,w2W,ru,hf --sylvan-sizes=20,28,20,28 --inv-bin-par --invariant=/tmp/484/inv_0_ --inv-par
FORMULA CryptoMiner-COL-D05N100-ReachabilityFireability-10 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN

BK_STOP 1680877062906

--------------------
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:
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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
mcc2023
rfs formula name CryptoMiner-COL-D05N100-ReachabilityFireability-10
rfs formula type EF
rfs formula formula --invariant=/tmp/484/inv_0_
pnml2lts-sym: Exploration order is bfs-prev
pnml2lts-sym: Saturation strategy is sat
pnml2lts-sym: Guided search strategy is unguided
pnml2lts-sym: Attractor strategy is default
pnml2lts-sym: opening model.pnml
pnml2lts-sym: Edge label is id
Warning: program compiled against libxml 210 using older 209
pnml2lts-sym: Petri net has 17 places, 18 transitions and 51 arcs
pnml2lts-sym: Petri net CryptoMiner_COL_D05N100_unf analyzed
pnml2lts-sym: There are no safe places
pnml2lts-sym: Loading Petri net took 0.010 real 0.000 user 0.000 sys
pnml2lts-sym: Initializing regrouping layer
pnml2lts-sym: Regroup specification: bs,w2W,ru,hf
pnml2lts-sym: Regroup Boost's Sloan
pnml2lts-sym: Regroup over-approximate must-write to may-write
pnml2lts-sym: Regroup Row sUbsume
pnml2lts-sym: Reqroup Horizontal Flip
pnml2lts-sym: Regrouping: 18->17 groups
pnml2lts-sym: Regrouping took 0.000 real 0.000 user 0.000 sys
pnml2lts-sym: state vector length is 17; there are 17 groups
pnml2lts-sym: Creating a multi-core ListDD domain.
pnml2lts-sym: Sylvan allocates 15.000 GB virtual memory for nodes table and operation cache.
pnml2lts-sym: Initial nodes table and operation cache requires 60.00 MB.
pnml2lts-sym: Using GBgetTransitionsShortR2W as next-state function
pnml2lts-sym: got initial state
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym:
pnml2lts-sym: Invariant violation (/tmp/484/inv_0_) found at depth -1!
pnml2lts-sym:
pnml2lts-sym: all invariants violated
pnml2lts-sym: exiting now
pnml2lts-sym: invariant detection took 17.460 real 64.480 user 5.070 sys
pnml2lts-sym: max token count: 100

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="CryptoMiner-COL-D05N100"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="ltsminxred"
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 ltsminxred"
echo " Input is CryptoMiner-COL-D05N100, 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 r521-tall-167987246200111"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CryptoMiner-COL-D05N100.tgz
mv CryptoMiner-COL-D05N100 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 ;