fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r521-tall-167987246300182
Last Updated
May 14, 2023

About the Execution of LTSMin+red for CryptoMiner-PT-D05N100

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
600.363 55105.00 195106.00 422.50 TFTTTTFTFTTFFTTT normal

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-167987246300182.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-PT-D05N100, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r521-tall-167987246300182
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 708K
-rw-r--r-- 1 mcc users 11K Mar 23 15:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 82K Mar 23 15:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.2K Mar 23 15:20 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Mar 23 15:20 CTLFireability.xml
-rw-r--r-- 1 mcc users 6.7K Mar 23 07:06 LTLCardinality.txt
-rw-r--r-- 1 mcc users 33K Mar 23 07:06 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.2K Mar 23 07:06 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 23 07:06 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Mar 26 22:42 NewModel
-rw-r--r-- 1 mcc users 38K Mar 23 15:23 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 277K Mar 23 15:23 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 16K Mar 23 15:23 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 109K Mar 23 15:23 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.3K Mar 23 07:06 UpperBounds.txt
-rw-r--r-- 1 mcc users 5.2K Mar 23 07:06 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 26 22:42 equiv_col
-rw-r--r-- 1 mcc users 8 Mar 26 22:42 instance
-rw-r--r-- 1 mcc users 6 Mar 26 22:42 iscolored
-rw-r--r-- 1 mcc users 7.8K 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-PT-D05N100-ReachabilityCardinality-00
FORMULA_NAME CryptoMiner-PT-D05N100-ReachabilityCardinality-01
FORMULA_NAME CryptoMiner-PT-D05N100-ReachabilityCardinality-02
FORMULA_NAME CryptoMiner-PT-D05N100-ReachabilityCardinality-03
FORMULA_NAME CryptoMiner-PT-D05N100-ReachabilityCardinality-04
FORMULA_NAME CryptoMiner-PT-D05N100-ReachabilityCardinality-05
FORMULA_NAME CryptoMiner-PT-D05N100-ReachabilityCardinality-06
FORMULA_NAME CryptoMiner-PT-D05N100-ReachabilityCardinality-07
FORMULA_NAME CryptoMiner-PT-D05N100-ReachabilityCardinality-08
FORMULA_NAME CryptoMiner-PT-D05N100-ReachabilityCardinality-09
FORMULA_NAME CryptoMiner-PT-D05N100-ReachabilityCardinality-10
FORMULA_NAME CryptoMiner-PT-D05N100-ReachabilityCardinality-11
FORMULA_NAME CryptoMiner-PT-D05N100-ReachabilityCardinality-12
FORMULA_NAME CryptoMiner-PT-D05N100-ReachabilityCardinality-13
FORMULA_NAME CryptoMiner-PT-D05N100-ReachabilityCardinality-14
FORMULA_NAME CryptoMiner-PT-D05N100-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1680887258682

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=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CryptoMiner-PT-D05N100
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202304061127
[2023-04-07 17:07:42] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -timeout, 360, -rebuildPNML]
[2023-04-07 17:07:42] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-04-07 17:07:42] [INFO ] Load time of PNML (sax parser for PT used): 199 ms
[2023-04-07 17:07:42] [INFO ] Transformed 18 places.
[2023-04-07 17:07:42] [INFO ] Transformed 18 transitions.
[2023-04-07 17:07:42] [INFO ] Parsed PT model containing 18 places and 18 transitions and 52 arcs in 388 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 71 ms.
Working with output stream class java.io.PrintStream
FORMULA CryptoMiner-PT-D05N100-ReachabilityCardinality-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10019 steps, including 2 resets, run finished after 107 ms. (steps per millisecond=93 ) properties (out of 15) seen :7
FORMULA CryptoMiner-PT-D05N100-ReachabilityCardinality-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CryptoMiner-PT-D05N100-ReachabilityCardinality-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CryptoMiner-PT-D05N100-ReachabilityCardinality-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CryptoMiner-PT-D05N100-ReachabilityCardinality-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CryptoMiner-PT-D05N100-ReachabilityCardinality-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CryptoMiner-PT-D05N100-ReachabilityCardinality-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CryptoMiner-PT-D05N100-ReachabilityCardinality-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 220 ms. (steps per millisecond=45 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 82 ms. (steps per millisecond=121 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 76 ms. (steps per millisecond=131 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 126 ms. (steps per millisecond=79 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 124 ms. (steps per millisecond=80 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 88 ms. (steps per millisecond=113 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 120 ms. (steps per millisecond=83 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 80 ms. (steps per millisecond=125 ) properties (out of 8) seen :0
Running SMT prover for 8 properties.
// Phase 1: matrix 18 rows 18 cols
[2023-04-07 17:07:44] [INFO ] Computed 1 invariants in 4 ms
[2023-04-07 17:07:44] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-04-07 17:07:44] [INFO ] After 532ms SMT Verify possible using all constraints in real domain returned unsat :5 sat :0 real:3
[2023-04-07 17:07:44] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-04-07 17:07:44] [INFO ] After 25ms SMT Verify possible using state equation in natural domain returned unsat :7 sat :1
[2023-04-07 17:07:44] [INFO ] State equation strengthened by 5 read => feed constraints.
[2023-04-07 17:07:44] [INFO ] After 22ms SMT Verify possible using 5 Read/Feed constraints in natural domain returned unsat :7 sat :1
[2023-04-07 17:07:44] [INFO ] After 31ms SMT Verify possible using trap constraints in natural domain returned unsat :7 sat :1
Attempting to minimize the solution found.
Minimization took 12 ms.
[2023-04-07 17:07:44] [INFO ] After 139ms SMT Verify possible using all constraints in natural domain returned unsat :7 sat :1
FORMULA CryptoMiner-PT-D05N100-ReachabilityCardinality-13 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA CryptoMiner-PT-D05N100-ReachabilityCardinality-12 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA CryptoMiner-PT-D05N100-ReachabilityCardinality-07 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA CryptoMiner-PT-D05N100-ReachabilityCardinality-06 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA CryptoMiner-PT-D05N100-ReachabilityCardinality-05 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA CryptoMiner-PT-D05N100-ReachabilityCardinality-02 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA CryptoMiner-PT-D05N100-ReachabilityCardinality-01 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 8 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 2 ms.
Support contains 12 out of 18 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 18/18 places, 18/18 transitions.
Applied a total of 0 rules in 19 ms. Remains 18 /18 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 18/18 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 19 ms. (steps per millisecond=526 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 2724380 steps, run timeout after 3001 ms. (steps per millisecond=907 ) properties seen :{}
Probabilistic random walk after 2724380 steps, saw 1058777 distinct states, run finished after 3010 ms. (steps per millisecond=905 ) properties seen :0
Running SMT prover for 1 properties.
[2023-04-07 17:07:47] [INFO ] Invariant cache hit.
[2023-04-07 17:07:47] [INFO ] After 59ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-04-07 17:07:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-04-07 17:07:48] [INFO ] After 105ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-04-07 17:07:48] [INFO ] State equation strengthened by 5 read => feed constraints.
[2023-04-07 17:07:48] [INFO ] After 75ms SMT Verify possible using 5 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-04-07 17:07:48] [INFO ] After 128ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 79 ms.
[2023-04-07 17:07:48] [INFO ] After 367ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 1 ms.
Support contains 12 out of 18 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 18/18 places, 18/18 transitions.
Applied a total of 0 rules in 2 ms. Remains 18 /18 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 18/18 places, 18/18 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 18/18 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 18 /18 variables (removed 0) and now considering 18/18 (removed 0) transitions.
[2023-04-07 17:07:48] [INFO ] Invariant cache hit.
[2023-04-07 17:07:48] [INFO ] Implicit Places using invariants in 61 ms returned []
[2023-04-07 17:07:48] [INFO ] Invariant cache hit.
[2023-04-07 17:07:48] [INFO ] State equation strengthened by 5 read => feed constraints.
[2023-04-07 17:07:48] [INFO ] Implicit Places using invariants and state equation in 79 ms returned []
Implicit Place search using SMT with State Equation took 145 ms to find 0 implicit places.
[2023-04-07 17:07:48] [INFO ] Redundant transitions in 0 ms returned []
[2023-04-07 17:07:48] [INFO ] Invariant cache hit.
[2023-04-07 17:07:48] [INFO ] Dead Transitions using invariants and state equation in 53 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 216 ms. Remains : 18/18 places, 18/18 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 18 transition count 17
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 17 transition count 17
Applied a total of 2 rules in 5 ms. Remains 17 /18 variables (removed 1) and now considering 17/18 (removed 1) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 17 rows 17 cols
[2023-04-07 17:07:48] [INFO ] Computed 1 invariants in 1 ms
[2023-04-07 17:07:48] [INFO ] After 35ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-04-07 17:07:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-04-07 17:07:48] [INFO ] After 116ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-04-07 17:07:48] [INFO ] After 148ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 7 ms.
[2023-04-07 17:07:48] [INFO ] After 268ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2023-04-07 17:07:48] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityCardinality.sr.xml took 4 ms.
[2023-04-07 17:07:48] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 18 places, 18 transitions and 52 arcs took 1 ms.
[2023-04-07 17:07:49] [INFO ] Flatten gal took : 22 ms
Total runtime 6733 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 --invariant=/tmp/490/inv_0_ --inv-par
FORMULA CryptoMiner-PT-D05N100-ReachabilityCardinality-08 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN

BK_STOP 1680887313787

--------------------
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 ReachabilityCardinality -timeout 360 -rebuildPNML
mcc2023
rfs formula name CryptoMiner-PT-D05N100-ReachabilityCardinality-08
rfs formula type AG
rfs formula formula --invariant=/tmp/490/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 18 places, 18 transitions and 52 arcs
pnml2lts-sym: Petri net CryptoMiner_PT_D05N100 analyzed
pnml2lts-sym: There are no safe places
pnml2lts-sym: Loading Petri net took 0.000 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 18; 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:
pnml2lts-sym: Invariant violation (/tmp/490/inv_0_) found at depth -1!
pnml2lts-sym:
pnml2lts-sym: all invariants violated
pnml2lts-sym: exiting now
pnml2lts-sym: invariant detection took 32.990 real 99.130 user 32.380 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-PT-D05N100"
export BK_EXAMINATION="ReachabilityCardinality"
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-PT-D05N100, 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 r521-tall-167987246300182"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

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