fond
Model Checking Contest 2021
11th edition, Paris, France, June 23, 2021
Execution of r094-tall-162048902400116
Last Updated
Jun 28, 2021

About the Execution of 2020-gold for Diffusion2D-PT-D50N150

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
720.008 3600000.00 89632.00 385.80 FTTTTTTTTTTTTTFT normal

Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2021-input.r094-tall-162048902400116.qcow2', fmt=qcow2 size=4294967296 backing_file='/data/fkordon/mcc2021-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-4028
Executing tool gold2020
Input is Diffusion2D-PT-D50N150, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r094-tall-162048902400116
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 7.7M
-rw-r--r-- 1 mcc users 27K May 5 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 174K May 10 09:42 CTLCardinality.xml
-rw-r--r-- 1 mcc users 11K May 5 16:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K May 10 09:42 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 6 14:48 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.3K May 6 14:48 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K Mar 28 16:03 LTLCardinality.txt
-rw-r--r-- 1 mcc users 22K Mar 28 16:03 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 28 16:03 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 28 16:03 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.1K Mar 23 10:20 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 19K Mar 23 10:20 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 3.1K Mar 22 17:58 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 15K Mar 22 17:58 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 22 09:11 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Mar 22 09:11 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 5 16:51 equiv_col
-rw-r--r-- 1 mcc users 8 May 5 16:51 instance
-rw-r--r-- 1 mcc users 6 May 5 16:51 iscolored
-rw-r--r-- 1 mcc users 7.3M May 5 16:51 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 Diffusion2D-PT-D50N150-ReachabilityFireability-00
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityFireability-01
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityFireability-02
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityFireability-03
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityFireability-04
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityFireability-05
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityFireability-06
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityFireability-07
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityFireability-08
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityFireability-09
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityFireability-10
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityFireability-11
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityFireability-12
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityFireability-13
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityFireability-14
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1620734362097

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2021-05-11 11:59:23] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -timeout, 3600, -rebuildPNML]
[2021-05-11 11:59:23] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-05-11 11:59:24] [INFO ] Load time of PNML (sax parser for PT used): 406 ms
[2021-05-11 11:59:24] [INFO ] Transformed 2500 places.
[2021-05-11 11:59:24] [INFO ] Transformed 19404 transitions.
[2021-05-11 11:59:24] [INFO ] Parsed PT model containing 2500 places and 19404 transitions in 506 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 161 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 10117 steps, including 0 resets, run finished after 29 ms. (steps per millisecond=348 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 72 ms. (steps per millisecond=138 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 35 ms. (steps per millisecond=285 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 16 ms. (steps per millisecond=625 ) properties seen :[0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
FORMULA Diffusion2D-PT-D50N150-ReachabilityFireability-04 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 20 ms. (steps per millisecond=500 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 11 ms. (steps per millisecond=909 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 28 ms. (steps per millisecond=357 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 18 ms. (steps per millisecond=555 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 17 ms. (steps per millisecond=588 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 26 ms. (steps per millisecond=384 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 9 ms. (steps per millisecond=1111 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=1250 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 7 ms. (steps per millisecond=1428 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 9 ms. (steps per millisecond=1111 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 7 ms. (steps per millisecond=1428 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 8 ms. (steps per millisecond=1250 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
// Phase 1: matrix 19404 rows 2500 cols
[2021-05-11 11:59:25] [INFO ] Computed 1 place invariants in 230 ms
[2021-05-11 11:59:25] [INFO ] [Real]Absence check using 1 positive place invariants in 49 ms returned sat
[2021-05-11 11:59:25] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-11 11:59:30] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream closed (= s166 (- (+ t912 t919 t926 t1303 t1318 t1695 t1702 t1709) (+ t1307 t1308 t1309 t1310 t1311 t1312 t1313 t1314)))") while checking expression at index 0
[2021-05-11 11:59:30] [INFO ] [Real]Absence check using 1 positive place invariants in 36 ms returned sat
[2021-05-11 11:59:30] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-11 11:59:35] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe (= s157 (- (+ t843 t850 t857 t1234 t1249 t1626 t1633 t1640) (+ t1238 t1239 t1240 t1241 t1242 t1243 t1244 t1245)))") while checking expression at index 1
[2021-05-11 11:59:35] [INFO ] [Real]Absence check using 1 positive place invariants in 36 ms returned sat
[2021-05-11 11:59:35] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-11 11:59:40] [INFO ] [Real]Absence check using state equation in 4729 ms returned (error "Solver has unexpectedly terminated")
[2021-05-11 11:59:40] [INFO ] [Real]Absence check using 1 positive place invariants in 38 ms returned sat
[2021-05-11 11:59:40] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-11 11:59:45] [INFO ] [Real]Absence check using state equation in 4754 ms returned (error "Solver has unexpectedly terminated")
[2021-05-11 11:59:45] [INFO ] [Real]Absence check using 1 positive place invariants in 36 ms returned sat
[2021-05-11 11:59:45] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-11 11:59:50] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-11 11:59:50] [INFO ] [Real]Absence check using state equation in 4741 ms returned (error "Failed to check-sat")
[2021-05-11 11:59:50] [INFO ] [Real]Absence check using 1 positive place invariants in 37 ms returned sat
[2021-05-11 11:59:50] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-11 11:59:55] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-11 11:59:55] [INFO ] [Real]Absence check using state equation in 4712 ms returned unknown
[2021-05-11 11:59:55] [INFO ] [Real]Absence check using 1 positive place invariants in 36 ms returned sat
[2021-05-11 11:59:55] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-11 12:00:00] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-11 12:00:00] [INFO ] [Real]Absence check using state equation in 4781 ms returned (error "Failed to check-sat")
[2021-05-11 12:00:00] [INFO ] [Real]Absence check using 1 positive place invariants in 37 ms returned sat
[2021-05-11 12:00:00] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-11 12:00:05] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-11 12:00:05] [INFO ] [Real]Absence check using state equation in 4716 ms returned (error "Failed to check-sat")
[2021-05-11 12:00:05] [INFO ] [Real]Absence check using 1 positive place invariants in 37 ms returned sat
[2021-05-11 12:00:05] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-11 12:00:10] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-11 12:00:10] [INFO ] [Real]Absence check using state equation in 4742 ms returned (error "Failed to check-sat")
[2021-05-11 12:00:10] [INFO ] [Real]Absence check using 1 positive place invariants in 36 ms returned sat
[2021-05-11 12:00:10] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-11 12:00:15] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe (= s183 (- (+ t1040 t1055 t1062 t1431 t1454 t1823 t1838 t1845) (+ t1443 t1444 t1445 t1446 t1447 t1448 t1449 t1450)))") while checking expression at index 9
[2021-05-11 12:00:15] [INFO ] [Real]Absence check using 1 positive place invariants in 40 ms returned sat
[2021-05-11 12:00:15] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-11 12:00:20] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-11 12:00:20] [INFO ] [Real]Absence check using state equation in 4811 ms returned (error "Failed to check-sat")
[2021-05-11 12:00:20] [INFO ] [Real]Absence check using 1 positive place invariants in 37 ms returned sat
[2021-05-11 12:00:20] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-11 12:00:25] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-11 12:00:25] [INFO ] [Real]Absence check using state equation in 4761 ms returned unknown
[2021-05-11 12:00:25] [INFO ] [Real]Absence check using 1 positive place invariants in 38 ms returned sat
[2021-05-11 12:00:25] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-11 12:00:30] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe (= s181 (- (+ t1032 t1039 t1054 t1423 t1446 t1815 t1822 t1837) (+ t1427 t1428 t1429 t1430 t1431 t1432 t1433 t1434)))") while checking expression at index 12
[2021-05-11 12:00:30] [INFO ] [Real]Absence check using 1 positive place invariants in 36 ms returned sat
[2021-05-11 12:00:30] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-11 12:00:35] [INFO ] [Real]Absence check using state equation in 4763 ms returned (error "Failed to check-sat")
[2021-05-11 12:00:35] [INFO ] [Real]Absence check using 1 positive place invariants in 36 ms returned sat
[2021-05-11 12:00:35] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-11 12:00:40] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-11 12:00:40] [INFO ] [Real]Absence check using state equation in 4766 ms returned (error "Failed to check-sat")
Support contains 57 out of 2500 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 2500/2500 places, 19404/19404 transitions.
Graph (trivial) has 18512 edges and 2500 vertex of which 2443 / 2500 are part of one of the 1 SCC in 47 ms
Free SCC test removed 2442 places
Drop transitions removed 18512 transitions
Ensure Unique test removed 770 transitions
Reduce isomorphic transitions removed 19282 transitions.
Iterating post reduction 0 with 19282 rules applied. Total rules applied 19283 place count 58 transition count 122
Drop transitions removed 12 transitions
Redundant transition composition rules discarded 12 transitions
Iterating global reduction 1 with 12 rules applied. Total rules applied 19295 place count 58 transition count 110
Applied a total of 19295 rules in 143 ms. Remains 58 /2500 variables (removed 2442) and now considering 110/19404 (removed 19294) transitions.
Finished structural reductions, in 1 iterations. Remains : 58/2500 places, 110/19404 transitions.
Incomplete random walk after 1000053 steps, including 0 resets, run finished after 155 ms. (steps per millisecond=6451 ) properties seen :[1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1]
FORMULA Diffusion2D-PT-D50N150-ReachabilityFireability-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N150-ReachabilityFireability-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N150-ReachabilityFireability-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N150-ReachabilityFireability-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N150-ReachabilityFireability-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N150-ReachabilityFireability-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N150-ReachabilityFireability-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N150-ReachabilityFireability-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N150-ReachabilityFireability-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N150-ReachabilityFireability-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N150-ReachabilityFireability-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N150-ReachabilityFireability-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N150-ReachabilityFireability-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N150-ReachabilityFireability-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Finished Best-First random walk after 222 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=222 )
FORMULA Diffusion2D-PT-D50N150-ReachabilityFireability-06 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
All properties solved without resorting to model-checking.

--------------------
content from stderr:

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="Diffusion2D-PT-D50N150"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="gold2020"
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 gold2020"
echo " Input is Diffusion2D-PT-D50N150, 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 r094-tall-162048902400116"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Diffusion2D-PT-D50N150.tgz
mv Diffusion2D-PT-D50N150 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 ;