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.r407-oct2-167903726300092.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 backing_fmt=qcow2 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 ShieldIIPs-PT-050A, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r407-oct2-167903726300092
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 840K
-rw-r--r-- 1 mcc users 7.6K Feb 25 16:41 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K Feb 25 16:41 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.6K Feb 25 16:34 CTLFireability.txt
-rw-r--r-- 1 mcc users 39K Feb 25 16:34 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:55 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 16:55 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 16:55 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:55 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Feb 25 17:05 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 120K Feb 25 17:05 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.0K Feb 25 16:48 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 46K Feb 25 16:48 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:55 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:55 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 426K 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

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1679762568887

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=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=ShieldIIPs-PT-050A
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-25 16:42:51] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-25 16:42:51] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-25 16:42:51] [INFO ] Load time of PNML (sax parser for PT used): 204 ms
[2023-03-25 16:42:51] [INFO ] Transformed 1253 places.
[2023-03-25 16:42:51] [INFO ] Transformed 1203 transitions.
[2023-03-25 16:42:51] [INFO ] Found NUPN structural information;
[2023-03-25 16:42:51] [INFO ] Parsed PT model containing 1253 places and 1203 transitions and 5406 arcs in 367 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 1253/1253 places, 1203/1203 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 1253 transition count 1202
Deduced a syphon composed of 1 places in 18 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 1252 transition count 1202
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 42 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 1251 transition count 1201
Applied a total of 4 rules in 134 ms. Remains 1251 /1253 variables (removed 2) and now considering 1201/1203 (removed 2) transitions.
// Phase 1: matrix 1201 rows 1251 cols
[2023-03-25 16:42:52] [INFO ] Computed 451 place invariants in 26 ms
[2023-03-25 16:42:54] [INFO ] Implicit Places using invariants in 1864 ms returned [1237]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 1910 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 1250/1253 places, 1201/1203 transitions.
Applied a total of 0 rules in 17 ms. Remains 1250 /1250 variables (removed 0) and now considering 1201/1201 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 2061 ms. Remains : 1250/1253 places, 1201/1203 transitions.
Discarding 300 transitions out of 1201. Remains 901
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 4 resets, run finished after 872 ms. (steps per millisecond=11 ) properties (out of 900) seen :823
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 77) seen :1
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 76) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 76) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=41 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=40 ) properties (out of 75) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=43 ) properties (out of 75) seen :0
Running SMT prover for 75 properties.
// Phase 1: matrix 1201 rows 1250 cols
[2023-03-25 16:42:55] [INFO ] Computed 450 place invariants in 7 ms
[2023-03-25 16:42:59] [INFO ] [Real]Absence check using 450 positive place invariants in 227 ms returned sat
[2023-03-25 16:43:11] [INFO ] After 15363ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:75
[2023-03-25 16:43:14] [INFO ] [Nat]Absence check using 450 positive place invariants in 109 ms returned sat
[2023-03-25 16:43:31] [INFO ] After 15045ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :75
[2023-03-25 16:43:31] [INFO ] Deduced a trap composed of 13 places in 133 ms of which 32 ms to minimize.
[2023-03-25 16:43:32] [INFO ] Deduced a trap composed of 11 places in 105 ms of which 1 ms to minimize.
[2023-03-25 16:43:32] [INFO ] Deduced a trap composed of 11 places in 70 ms of which 2 ms to minimize.
[2023-03-25 16:43:32] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 601 ms
[2023-03-25 16:43:33] [INFO ] Deduced a trap composed of 11 places in 179 ms of which 1 ms to minimize.
[2023-03-25 16:43:33] [INFO ] Deduced a trap composed of 19 places in 179 ms of which 0 ms to minimize.
[2023-03-25 16:43:33] [INFO ] Deduced a trap composed of 11 places in 97 ms of which 1 ms to minimize.
[2023-03-25 16:43:34] [INFO ] Deduced a trap composed of 17 places in 344 ms of which 1 ms to minimize.
[2023-03-25 16:43:34] [INFO ] Deduced a trap composed of 19 places in 289 ms of which 1 ms to minimize.
[2023-03-25 16:43:34] [INFO ] Deduced a trap composed of 11 places in 118 ms of which 1 ms to minimize.
[2023-03-25 16:43:35] [INFO ] Deduced a trap composed of 11 places in 342 ms of which 1 ms to minimize.
[2023-03-25 16:43:35] [INFO ] Deduced a trap composed of 17 places in 99 ms of which 1 ms to minimize.
[2023-03-25 16:43:35] [INFO ] Deduced a trap composed of 11 places in 148 ms of which 1 ms to minimize.
[2023-03-25 16:43:35] [INFO ] Trap strengthening (SAT) tested/added 10/9 trap constraints in 2651 ms
[2023-03-25 16:43:36] [INFO ] Deduced a trap composed of 18 places in 121 ms of which 1 ms to minimize.
[2023-03-25 16:43:36] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 287 ms
[2023-03-25 16:43:36] [INFO ] After 19760ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :74
Attempting to minimize the solution found.
Minimization took 2 ms.
[2023-03-25 16:43:36] [INFO ] After 25045ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :74
Parikh walk visited 42 properties in 30777 ms.
Support contains 95 out of 1250 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1250/1250 places, 1201/1201 transitions.
Partial Free-agglomeration rule applied 286 times.
Drop transitions removed 286 transitions
Iterating global reduction 0 with 286 rules applied. Total rules applied 286 place count 1250 transition count 1201
Applied a total of 286 rules in 182 ms. Remains 1250 /1250 variables (removed 0) and now considering 1201/1201 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 182 ms. Remains : 1250/1250 places, 1201/1201 transitions.
Finished random walk after 27786 steps, including 8 resets, run visited all 33 properties in 930 ms. (steps per millisecond=29 )
Able to resolve query QuasiLiveness after proving 901 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 76728 ms.
ITS solved all properties within timeout

BK_STOP 1679762648499

--------------------
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 QuasiLiveness -timeout 180 -rebuildPNML

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="ShieldIIPs-PT-050A"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 ShieldIIPs-PT-050A, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r407-oct2-167903726300092"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldIIPs-PT-050A.tgz
mv ShieldIIPs-PT-050A execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property QuasiLiveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;