fond
Model Checking Contest 2020
10th edition, Paris, France, June 23, 2020
Execution of r178-tajo-158987882600582
Last Updated
Jun 28, 2020

About the Execution of ITS-LoLa for Diffusion2D-PT-D50N150

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
15739.160 3600000.00 130530.00 129.40 TFTTFTFFFTFTFFTF normal

Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2020-input.r178-tajo-158987882600582.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2020-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
................
=====================================================================
Generated by BenchKit 2-4028
Executing tool itslola
Input is Diffusion2D-PT-D50N150, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r178-tajo-158987882600582
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 7.5M
-rw-r--r-- 1 mcc users 4.1K Mar 31 06:37 CTLCardinality.txt
-rw-r--r-- 1 mcc users 21K Mar 31 06:37 CTLCardinality.xml
-rw-r--r-- 1 mcc users 3.2K Mar 29 22:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 29 22:58 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 24 05:37 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.8K Mar 24 05:37 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.2K Apr 8 14:49 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Apr 28 14:00 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Apr 8 14:49 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Apr 28 14:00 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Mar 28 14:33 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 17K Mar 28 14:33 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Mar 27 07:33 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 12K Mar 27 07:33 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 28 14:50 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Mar 28 14:50 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 24 05:37 equiv_col
-rw-r--r-- 1 mcc users 8 Mar 24 05:37 instance
-rw-r--r-- 1 mcc users 6 Mar 24 05:37 iscolored
-rw-r--r-- 1 mcc users 7.3M Mar 24 05:37 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-ReachabilityCardinality-00
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityCardinality-01
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityCardinality-02
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityCardinality-03
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityCardinality-04
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityCardinality-05
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityCardinality-06
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityCardinality-07
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityCardinality-08
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityCardinality-09
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityCardinality-10
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityCardinality-11
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityCardinality-12
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityCardinality-13
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityCardinality-14
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1591229483803

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2020-06-04 00:11:25] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -timeout, 3600, -rebuildPNML]
[2020-06-04 00:11:26] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-06-04 00:11:26] [INFO ] Load time of PNML (sax parser for PT used): 486 ms
[2020-06-04 00:11:26] [INFO ] Transformed 2500 places.
[2020-06-04 00:11:26] [INFO ] Transformed 19404 transitions.
[2020-06-04 00:11:26] [INFO ] Parsed PT model containing 2500 places and 19404 transitions in 609 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 269 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 10117 steps, including 0 resets, run finished after 11 ms. (steps per millisecond=919 ) 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 49 ms. (steps per millisecond=204 ) 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 32 ms. (steps per millisecond=312 ) 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 14 ms. (steps per millisecond=714 ) 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 26 ms. (steps per millisecond=384 ) 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 12 ms. (steps per millisecond=833 ) 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 30 ms. (steps per millisecond=333 ) 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 17 ms. (steps per millisecond=588 ) 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 7 ms. (steps per millisecond=1428 ) 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 21 ms. (steps per millisecond=476 ) 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 18 ms. (steps per millisecond=555 ) 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 9 ms. (steps per millisecond=1111 ) 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 21 ms. (steps per millisecond=476 ) 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 30 ms. (steps per millisecond=333 ) 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 6 ms. (steps per millisecond=1666 ) 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 10 ms. (steps per millisecond=1000 ) 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 6 ms. (steps per millisecond=1666 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Interrupted probabilistic random walk after 4799226 steps, run timeout after 30001 ms. (steps per millisecond=159 ) properties seen :[0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0]
Probabilistic random walk after 4799226 steps, saw 110385 distinct states, run finished after 30002 ms. (steps per millisecond=159 ) properties seen :[0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0]
FORMULA Diffusion2D-PT-D50N150-ReachabilityCardinality-07 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA Diffusion2D-PT-D50N150-ReachabilityCardinality-04 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
// Phase 1: matrix 19404 rows 2500 cols
[2020-06-04 00:11:57] [INFO ] Computed 1 place invariants in 217 ms
[2020-06-04 00:11:58] [INFO ] [Real]Absence check using 1 positive place invariants in 67 ms returned sat
[2020-06-04 00:11:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 00:12:02] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 00:12:02] [INFO ] [Real]Absence check using state equation in 4595 ms returned (error "Failed to check-sat")
[2020-06-04 00:12:02] [INFO ] [Real]Absence check using 1 positive place invariants in 49 ms returned sat
[2020-06-04 00:12:02] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 00:12:07] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 00:12:07] [INFO ] [Real]Absence check using state equation in 4730 ms returned (error "Failed to check-sat")
[2020-06-04 00:12:07] [INFO ] [Real]Absence check using 1 positive place invariants in 42 ms returned sat
[2020-06-04 00:12:07] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 00:12:12] [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 (= s208 (- (+ t1245 t1252 t1259 t1636 t1651 t2028 t2035 t2042) (+ t1640 t1641 t1642 t1643 t1644 t1645 t1646 t1647)))") while checking expression at index 2
[2020-06-04 00:12:12] [INFO ] [Real]Absence check using 1 positive place invariants in 41 ms returned sat
[2020-06-04 00:12:12] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 00:12:17] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 00:12:17] [INFO ] [Real]Absence check using state equation in 4763 ms returned (error "Failed to check-sat")
[2020-06-04 00:12:17] [INFO ] [Real]Absence check using 1 positive place invariants in 29 ms returned sat
[2020-06-04 00:12:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 00:12:22] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 00:12:22] [INFO ] [Real]Absence check using state equation in 4724 ms returned (error "Failed to check-sat")
[2020-06-04 00:12:22] [INFO ] [Real]Absence check using 1 positive place invariants in 40 ms returned sat
[2020-06-04 00:12:22] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 00:12:27] [INFO ] [Real]Absence check using state equation in 4781 ms returned (error "Failed to check-sat")
[2020-06-04 00:12:27] [INFO ] [Real]Absence check using 1 positive place invariants in 41 ms returned sat
[2020-06-04 00:12:27] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 00:12:32] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 00:12:32] [INFO ] [Real]Absence check using state equation in 4758 ms returned (error "Failed to check-sat")
[2020-06-04 00:12:32] [INFO ] [Real]Absence check using 1 positive place invariants in 28 ms returned sat
[2020-06-04 00:12:33] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 00:12:37] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 00:12:37] [INFO ] [Real]Absence check using state equation in 4769 ms returned (error "Failed to check-sat")
[2020-06-04 00:12:38] [INFO ] [Real]Absence check using 1 positive place invariants in 40 ms returned sat
[2020-06-04 00:12:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 00:12:42] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 00:12:42] [INFO ] [Real]Absence check using state equation in 4729 ms returned (error "Failed to check-sat")
[2020-06-04 00:12:43] [INFO ] [Real]Absence check using 1 positive place invariants in 42 ms returned sat
[2020-06-04 00:12:43] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 00:12:47] [INFO ] [Real]Absence check using state equation in 4757 ms returned (error "Solver has unexpectedly terminated")
[2020-06-04 00:12:48] [INFO ] [Real]Absence check using 1 positive place invariants in 30 ms returned sat
[2020-06-04 00:12:48] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 00:12:52] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 00:12:52] [INFO ] [Real]Absence check using state equation in 4730 ms returned (error "Failed to check-sat")
[2020-06-04 00:12:53] [INFO ] [Real]Absence check using 1 positive place invariants in 30 ms returned sat
[2020-06-04 00:12:53] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 00:12:57] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 00:12:57] [INFO ] [Real]Absence check using state equation in 4769 ms returned (error "Failed to check-sat")
[2020-06-04 00:12:58] [INFO ] [Real]Absence check using 1 positive place invariants in 42 ms returned sat
[2020-06-04 00:12:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 00:13:02] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 00:13:02] [INFO ] [Real]Absence check using state equation in 4759 ms returned (error "Failed to check-sat")
[2020-06-04 00:13:03] [INFO ] [Real]Absence check using 1 positive place invariants in 29 ms returned sat
[2020-06-04 00:13:03] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 00:13:07] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 00:13:07] [INFO ] [Real]Absence check using state equation in 4753 ms returned (error "Failed to check-sat")
Support contains 53 out of 2500 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 2500/2500 places, 19404/19404 transitions.
Graph (trivial) has 18568 edges and 2500 vertex of which 2447 / 2500 are part of one of the 1 SCC in 63 ms
Free SCC test removed 2446 places
Drop transitions removed 18568 transitions
Ensure Unique test removed 724 transitions
Reduce isomorphic transitions removed 19292 transitions.
Iterating post reduction 0 with 19292 rules applied. Total rules applied 19293 place count 54 transition count 112
Drop transitions removed 9 transitions
Redundant transition composition rules discarded 9 transitions
Iterating global reduction 1 with 9 rules applied. Total rules applied 19302 place count 54 transition count 103
Applied a total of 19302 rules in 186 ms. Remains 54 /2500 variables (removed 2446) and now considering 103/19404 (removed 19301) transitions.
Finished structural reductions, in 1 iterations. Remains : 54/2500 places, 103/19404 transitions.
Incomplete random walk after 1000033 steps, including 0 resets, run finished after 150 ms. (steps per millisecond=6666 ) properties seen :[1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1]
FORMULA Diffusion2D-PT-D50N150-ReachabilityCardinality-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N150-ReachabilityCardinality-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N150-ReachabilityCardinality-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N150-ReachabilityCardinality-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N150-ReachabilityCardinality-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N150-ReachabilityCardinality-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N150-ReachabilityCardinality-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N150-ReachabilityCardinality-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N150-ReachabilityCardinality-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N150-ReachabilityCardinality-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N150-ReachabilityCardinality-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N150-ReachabilityCardinality-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Finished Best-First random walk after 25328 steps, including 0 resets, run visited all 2 properties in 22 ms. (steps per millisecond=1151 )
FORMULA Diffusion2D-PT-D50N150-ReachabilityCardinality-09 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N150-ReachabilityCardinality-06 FALSE 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="ReachabilityCardinality"
export BK_TOOL="itslola"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"

# 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 itslola"
echo " Input is Diffusion2D-PT-D50N150, 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 r178-tajo-158987882600582"
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 [ "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 ;