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.r327-tall-167889199600399.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)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is Railroad-PT-100, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r327-tall-167889199600399
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 5.6M
-rw-r--r-- 1 mcc users 5.8K Feb 25 22:34 CTLCardinality.txt
-rw-r--r-- 1 mcc users 51K Feb 25 22:34 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.7K Feb 25 22:33 CTLFireability.txt
-rw-r--r-- 1 mcc users 34K Feb 25 22:33 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.3K Jan 29 11:41 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.0K Feb 25 16:42 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 16:42 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Feb 25 16:42 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 16:42 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Feb 25 22:38 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 110K Feb 25 22:38 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Feb 25 22:36 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 79K Feb 25 22:36 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 16:42 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:42 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 5.2M Mar 5 18:23 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 Railroad-PT-100-ReachabilityFireability-00
FORMULA_NAME Railroad-PT-100-ReachabilityFireability-01
FORMULA_NAME Railroad-PT-100-ReachabilityFireability-02
FORMULA_NAME Railroad-PT-100-ReachabilityFireability-03
FORMULA_NAME Railroad-PT-100-ReachabilityFireability-04
FORMULA_NAME Railroad-PT-100-ReachabilityFireability-05
FORMULA_NAME Railroad-PT-100-ReachabilityFireability-06
FORMULA_NAME Railroad-PT-100-ReachabilityFireability-07
FORMULA_NAME Railroad-PT-100-ReachabilityFireability-08
FORMULA_NAME Railroad-PT-100-ReachabilityFireability-09
FORMULA_NAME Railroad-PT-100-ReachabilityFireability-10
FORMULA_NAME Railroad-PT-100-ReachabilityFireability-11
FORMULA_NAME Railroad-PT-100-ReachabilityFireability-12
FORMULA_NAME Railroad-PT-100-ReachabilityFireability-13
FORMULA_NAME Railroad-PT-100-ReachabilityFireability-14
FORMULA_NAME Railroad-PT-100-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1679048739165

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=lolaxred
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Railroad-PT-100
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-17 10:25:40] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2023-03-17 10:25:40] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-17 10:25:40] [INFO ] Load time of PNML (sax parser for PT used): 328 ms
[2023-03-17 10:25:41] [INFO ] Transformed 1018 places.
[2023-03-17 10:25:41] [INFO ] Transformed 10506 transitions.
[2023-03-17 10:25:41] [INFO ] Found NUPN structural information;
[2023-03-17 10:25:41] [INFO ] Parsed PT model containing 1018 places and 10506 transitions and 62728 arcs in 478 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 13 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 301 places in 120 ms
Reduce places removed 301 places and 100 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 714 ms. (steps per millisecond=14 ) properties (out of 16) seen :4
FORMULA Railroad-PT-100-ReachabilityFireability-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Railroad-PT-100-ReachabilityFireability-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Railroad-PT-100-ReachabilityFireability-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Railroad-PT-100-ReachabilityFireability-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 99 ms. (steps per millisecond=101 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 48 ms. (steps per millisecond=208 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 73 ms. (steps per millisecond=137 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 44 ms. (steps per millisecond=227 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 74 ms. (steps per millisecond=135 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 131 ms. (steps per millisecond=76 ) properties (out of 12) 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 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 59 ms. (steps per millisecond=169 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 51 ms. (steps per millisecond=196 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 58 ms. (steps per millisecond=172 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 42 ms. (steps per millisecond=238 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 12) seen :0
Running SMT prover for 12 properties.
// Phase 1: matrix 10406 rows 717 cols
[2023-03-17 10:25:43] [INFO ] Invariants computation overflowed in 94 ms
[2023-03-17 10:25:43] [INFO ] After 425ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:12
[2023-03-17 10:25:52] [INFO ] After 8410ms SMT Verify possible using state equation in natural domain returned unsat :5 sat :7
[2023-03-17 10:25:55] [INFO ] After 11064ms SMT Verify possible using trap constraints in natural domain returned unsat :5 sat :7
Attempting to minimize the solution found.
Minimization took 1631 ms.
[2023-03-17 10:25:57] [INFO ] After 13116ms SMT Verify possible using all constraints in natural domain returned unsat :5 sat :7
FORMULA Railroad-PT-100-ReachabilityFireability-15 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA Railroad-PT-100-ReachabilityFireability-14 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA Railroad-PT-100-ReachabilityFireability-12 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA Railroad-PT-100-ReachabilityFireability-05 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA Railroad-PT-100-ReachabilityFireability-01 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 12 Parikh solutions to 7 different solutions.
FORMULA Railroad-PT-100-ReachabilityFireability-08 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA Railroad-PT-100-ReachabilityFireability-02 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA Railroad-PT-100-ReachabilityFireability-00 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA Railroad-PT-100-ReachabilityFireability-04 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA Railroad-PT-100-ReachabilityFireability-11 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA Railroad-PT-100-ReachabilityFireability-07 FALSE TECHNIQUES TOPOLOGICAL PARIKH_WALK
Parikh walk visited 6 properties in 221 ms.
Support contains 43 out of 717 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 717/717 places, 10406/10406 transitions.
Ensure Unique test removed 101 places
Iterating post reduction 0 with 101 rules applied. Total rules applied 101 place count 616 transition count 10406
Performed 80 Post agglomeration using F-continuation condition.Transition count delta: 80
Deduced a syphon composed of 80 places in 26 ms
Reduce places removed 80 places and 0 transitions.
Iterating global reduction 1 with 160 rules applied. Total rules applied 261 place count 536 transition count 10326
Applied a total of 261 rules in 6614 ms. Remains 536 /717 variables (removed 181) and now considering 10326/10406 (removed 80) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6617 ms. Remains : 536/717 places, 10326/10406 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 286 ms. (steps per millisecond=34 ) properties (out of 1) 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 1) seen :0
Interrupted probabilistic random walk after 233550 steps, run timeout after 3002 ms. (steps per millisecond=77 ) properties seen :{}
Probabilistic random walk after 233550 steps, saw 225495 distinct states, run finished after 3003 ms. (steps per millisecond=77 ) properties seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 10326 rows 536 cols
[2023-03-17 10:26:07] [INFO ] Invariants computation overflowed in 33 ms
[2023-03-17 10:26:07] [INFO ] After 107ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-17 10:26:09] [INFO ] After 2256ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-17 10:26:10] [INFO ] After 2600ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 160 ms.
[2023-03-17 10:26:10] [INFO ] After 2861ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 9 ms.
Support contains 43 out of 536 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 536/536 places, 10326/10326 transitions.
Applied a total of 0 rules in 6107 ms. Remains 536 /536 variables (removed 0) and now considering 10326/10326 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6107 ms. Remains : 536/536 places, 10326/10326 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 536/536 places, 10326/10326 transitions.
Applied a total of 0 rules in 5862 ms. Remains 536 /536 variables (removed 0) and now considering 10326/10326 (removed 0) transitions.
// Phase 1: matrix 10326 rows 536 cols
[2023-03-17 10:26:22] [INFO ] Invariants computation overflowed in 41 ms
[2023-03-17 10:26:23] [INFO ] Implicit Places using invariants in 861 ms returned []
Implicit Place search using SMT only with invariants took 863 ms to find 0 implicit places.
// Phase 1: matrix 10326 rows 536 cols
[2023-03-17 10:26:23] [INFO ] Invariants computation overflowed in 21 ms
[2023-03-17 10:26:26] [INFO ] Dead Transitions using invariants and state equation in 2943 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9670 ms. Remains : 536/536 places, 10326/10326 transitions.
Performed 19 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 19 Pre rules applied. Total rules applied 0 place count 536 transition count 10307
Deduced a syphon composed of 19 places in 25 ms
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 0 with 38 rules applied. Total rules applied 38 place count 517 transition count 10307
Performed 80 Post agglomeration using F-continuation condition.Transition count delta: 80
Deduced a syphon composed of 80 places in 26 ms
Reduce places removed 160 places and 0 transitions.
Iterating global reduction 0 with 240 rules applied. Total rules applied 278 place count 357 transition count 10227
Applied a total of 278 rules in 285 ms. Remains 357 /536 variables (removed 179) and now considering 10227/10326 (removed 99) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 10227 rows 357 cols
[2023-03-17 10:26:26] [INFO ] Invariants computation overflowed in 22 ms
[2023-03-17 10:26:26] [INFO ] After 71ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-17 10:26:28] [INFO ] After 1770ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-17 10:26:28] [INFO ] After 2120ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 163 ms.
[2023-03-17 10:26:28] [INFO ] After 2364ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2023-03-17 10:26:29] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityFireability.sr.xml took 4 ms.
[2023-03-17 10:26:29] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 536 places, 10326 transitions and 61765 arcs took 59 ms.
[2023-03-17 10:26:29] [INFO ] Flatten gal took : 657 ms
Total runtime 49430 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT Railroad-PT-100
BK_EXAMINATION: ReachabilityFireability
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/375
ReachabilityFireability

FORMULA Railroad-PT-100-ReachabilityFireability-09 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1679048796580

--------------------
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:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -timeout 360 -rebuildPNML
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/375/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/375/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/375/ReachabilityFireability.xml
lola: Rule S: 0 transitions removed,0 places removed
lola: Created skeleton in 0.000000 secs.
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: LAUNCH task # 8 (type EXCL) for 0 Railroad-PT-100-ReachabilityFireability-09
lola: time limit : 3595 sec
lola: memory limit: 32 pages
lola: LAUNCH task # 4 (type FNDP) for 0 Railroad-PT-100-ReachabilityFireability-09
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: LAUNCH task # 5 (type EQUN) for 0 Railroad-PT-100-ReachabilityFireability-09
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: LAUNCH task # 7 (type SRCH) for 0 Railroad-PT-100-ReachabilityFireability-09
lola: time limit : 32000000 sec
lola: memory limit: 5 pages
lola: FINISHED task # 4 (type FNDP) for Railroad-PT-100-ReachabilityFireability-09
lola: result : true
lola: fired transitions : 65
lola: tried executions : 1
lola: time used : 0.000000
lola: memory pages used : 0
lola: CANCELED task # 5 (type EQUN) for Railroad-PT-100-ReachabilityFireability-09 (obsolete)
lola: CANCELED task # 7 (type SRCH) for Railroad-PT-100-ReachabilityFireability-09 (obsolete)
lola: CANCELED task # 8 (type EXCL) for Railroad-PT-100-ReachabilityFireability-09 (obsolete)
lola: Portfolio finished: no open formulas

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
Railroad-PT-100-ReachabilityFireability-09: AG false findpath


Time elapsed: 5 secs. Pages in use: 2

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="Railroad-PT-100"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="lolaxred"
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 lolaxred"
echo " Input is Railroad-PT-100, 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 r327-tall-167889199600399"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Railroad-PT-100.tgz
mv Railroad-PT-100 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 ;