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.r303-tall-162124171400276.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 LeafsetExtension-PT-S64C2, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r303-tall-162124171400276
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 33M
-rw-r--r-- 1 mcc users 46K May 15 08:57 CTLCardinality.txt
-rw-r--r-- 1 mcc users 169K May 15 08:57 CTLCardinality.xml
-rw-r--r-- 1 mcc users 34K May 15 08:57 CTLFireability.txt
-rw-r--r-- 1 mcc users 112K May 15 08:57 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.9K May 12 07:58 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 12 07:58 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.9K May 12 07:58 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 12 07:58 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 12 08:13 NewModel
-rw-r--r-- 1 mcc users 5.4K May 11 18:44 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 20K May 11 18:44 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 4.3K May 11 15:50 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 16K May 11 15:50 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K May 12 04:40 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 12 04:40 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 12 08:13 equiv_col
-rw-r--r-- 1 mcc users 6 May 12 08:13 instance
-rw-r--r-- 1 mcc users 6 May 12 08:13 iscolored
-rw-r--r-- 1 mcc users 33M May 12 08:13 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 gen-ReachabilityFireability-00
FORMULA_NAME gen-ReachabilityFireability-01
FORMULA_NAME gen-ReachabilityFireability-02
FORMULA_NAME gen-ReachabilityFireability-03
FORMULA_NAME gen-ReachabilityFireability-04
FORMULA_NAME gen-ReachabilityFireability-05
FORMULA_NAME gen-ReachabilityFireability-06
FORMULA_NAME gen-ReachabilityFireability-07
FORMULA_NAME gen-ReachabilityFireability-08
FORMULA_NAME gen-ReachabilityFireability-09
FORMULA_NAME gen-ReachabilityFireability-10
FORMULA_NAME gen-ReachabilityFireability-11
FORMULA_NAME gen-ReachabilityFireability-12
FORMULA_NAME gen-ReachabilityFireability-13
FORMULA_NAME gen-ReachabilityFireability-14
FORMULA_NAME gen-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1621361498166

[2021-05-18 18:11:51] [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, -its, -ltsminpath, /home/mcc/BenchKit//lts_install_dir/, -greatspnpath, /home/mcc/BenchKit//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2021-05-18 18:11:51] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-05-18 18:11:51] [INFO ] Load time of PNML (sax parser for PT used): 745 ms
[2021-05-18 18:11:52] [INFO ] Transformed 21462 places.
[2021-05-18 18:11:52] [INFO ] Transformed 21129 transitions.
[2021-05-18 18:11:52] [INFO ] Parsed PT model containing 21462 places and 21129 transitions in 894 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 126 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 10000 steps, including 548 resets, run finished after 721 ms. (steps per millisecond=13 ) properties seen :[1, 0, 0, 0, 0, 1, 1, 1, 0, 1, 0, 1, 0, 0, 0, 0]
FORMULA gen-ReachabilityFireability-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA gen-ReachabilityFireability-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA gen-ReachabilityFireability-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA gen-ReachabilityFireability-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA gen-ReachabilityFireability-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA gen-ReachabilityFireability-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 15 resets, run finished after 43 ms. (steps per millisecond=232 ) properties seen :[1, 0, 0, 0, 0, 0, 0, 0, 0, 0]
FORMULA gen-ReachabilityFireability-01 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 25 resets, run finished after 44 ms. (steps per millisecond=227 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 28 resets, run finished after 72 ms. (steps per millisecond=138 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 11 resets, run finished after 39 ms. (steps per millisecond=256 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 25 resets, run finished after 45 ms. (steps per millisecond=222 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 24 resets, run finished after 48 ms. (steps per millisecond=208 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 25 resets, run finished after 46 ms. (steps per millisecond=217 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 25 resets, run finished after 61 ms. (steps per millisecond=163 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10000 steps, including 25 resets, run finished after 44 ms. (steps per millisecond=227 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 25 resets, run finished after 46 ms. (steps per millisecond=217 ) properties seen :[0, 0, 0, 0, 0, 0, 0, 0, 0]
// Phase 1: matrix 21129 rows 21462 cols
[2021-05-18 18:11:58] [INFO ] Computed 333 place invariants in 5233 ms
[2021-05-18 18:12:03] [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 (= 1 (+ s15092 s15093))") while checking expression at index 0
[2021-05-18 18:12:07] [INFO ] [Real]Absence check using 67 positive place invariants in 1858 ms returned sat
[2021-05-18 18:12:08] [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 (= s18043 (+ s268 s596 s924 s1252 s1580 s1908 s2236 s2564 s2892 s3220 s3548 s3876 s4204 s4532 s4860 s5188 s5516 s5844 s6172 s6500 s6828 s7156 s7484 s7812 s8140 s8468 s8796 s9124 s9452 s9780 s10108 s10437 s10766 s11095 s11423 s11751 s12079 s12407 s12735 s13063 s13391 s13719 s14047 s14375 s14703 s15031 s15359 s15687 s16015 s16343 s16671 s16999 s17327 s17655 s18042 s18316 s18644 s18972 s19300 s19628 s19956 s20284 s20612 s20940 s21268))") while checking expression at index 1
[2021-05-18 18:12:13] [INFO ] [Real]Absence check using 67 positive place invariants in 3280 ms returned (error "Solver has unexpectedly terminated")
[2021-05-18 18:12:13] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-18 18:12:13] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed") while checking expression at index 2
[2021-05-18 18:12:17] [INFO ] [Real]Absence check using 67 positive place invariants in 1796 ms returned sat
[2021-05-18 18:12:18] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-18 18:12:18] [INFO ] [Real]Absence check using 67 positive and 266 generalized place invariants in 1610 ms returned (error "Failed to check-sat")
[2021-05-18 18:12:18] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-18 18:12:18] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed") while checking expression at index 3
[2021-05-18 18:12:22] [INFO ] [Real]Absence check using 67 positive place invariants in 1800 ms returned sat
[2021-05-18 18:12:23] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-18 18:12:23] [INFO ] [Real]Absence check using 67 positive and 266 generalized place invariants in 1567 ms returned (error "Failed to check-sat")
[2021-05-18 18:12:23] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-18 18:12:23] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed") while checking expression at index 4
[2021-05-18 18:12:27] [INFO ] [Real]Absence check using 67 positive place invariants in 1828 ms returned sat
[2021-05-18 18:12:28] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-18 18:12:28] [INFO ] [Real]Absence check using 67 positive and 266 generalized place invariants in 1515 ms returned (error "Failed to check-sat")
[2021-05-18 18:12:28] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-18 18:12:28] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed") while checking expression at index 5
[2021-05-18 18:12:32] [INFO ] [Real]Absence check using 67 positive place invariants in 1817 ms returned sat
[2021-05-18 18:12:33] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-18 18:12:34] [INFO ] [Real]Absence check using 67 positive and 266 generalized place invariants in 1582 ms returned (error "Failed to check-sat")
[2021-05-18 18:12:34] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-18 18:12:34] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed") while checking expression at index 6
[2021-05-18 18:12:37] [INFO ] [Real]Absence check using 67 positive place invariants in 1823 ms returned sat
[2021-05-18 18:12:39] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-18 18:12:39] [INFO ] [Real]Absence check using 67 positive and 266 generalized place invariants in 1538 ms returned (error "Failed to check-sat")
[2021-05-18 18:12:39] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-18 18:12:39] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed") while checking expression at index 7
[2021-05-18 18:12:42] [INFO ] [Real]Absence check using 67 positive place invariants in 1846 ms returned sat
[2021-05-18 18:12:44] [INFO ] SMT solver returned unknown. Retrying;
[2021-05-18 18:12:44] [INFO ] [Real]Absence check using 67 positive and 266 generalized place invariants in 1539 ms returned (error "Failed to check-sat")
[2021-05-18 18:12:44] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-18 18:12:44] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed") while checking expression at index 8
Support contains 57 out of 21462 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 21462/21462 places, 21129/21129 transitions.
Discarding 19414 places :
Also discarding 11491 output transitions
Drop transitions removed 11491 transitions
Graph (complete) has 42457 edges and 21462 vertex of which 2048 are kept as prefixes of interest. Removing 19414 places using SCC suffix rule.152 ms
Drop transitions removed 3581 transitions
Reduce isomorphic transitions removed 3581 transitions.
Performed 535 Post agglomeration using F-continuation condition.Transition count delta: 535
Iterating post reduction 0 with 4116 rules applied. Total rules applied 4117 place count 2048 transition count 5522
Reduce places removed 537 places and 0 transitions.
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Iterating post reduction 1 with 545 rules applied. Total rules applied 4662 place count 1511 transition count 5514
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 4670 place count 1503 transition count 5514
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 17 Pre rules applied. Total rules applied 4670 place count 1503 transition count 5497
Deduced a syphon composed of 17 places in 3 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 3 with 34 rules applied. Total rules applied 4704 place count 1486 transition count 5497
Symmetric choice reduction at 3 with 646 rule applications. Total rules 5350 place count 1486 transition count 5497
Deduced a syphon composed of 646 places in 2 ms
Reduce places removed 646 places and 646 transitions.
Iterating global reduction 3 with 1292 rules applied. Total rules applied 6642 place count 840 transition count 4851
Free-agglomeration rule (complex) applied 9 times.
Iterating global reduction 3 with 9 rules applied. Total rules applied 6651 place count 840 transition count 4842
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 3 with 9 rules applied. Total rules applied 6660 place count 831 transition count 4842
Partial Free-agglomeration rule applied 222 times.
Drop transitions removed 222 transitions
Iterating global reduction 4 with 222 rules applied. Total rules applied 6882 place count 831 transition count 4842
Applied a total of 6882 rules in 905 ms. Remains 831 /21462 variables (removed 20631) and now considering 4842/21129 (removed 16287) transitions.
Finished structural reductions, in 1 iterations. Remains : 831/21462 places, 4842/21129 transitions.
Interrupted random walk after 802276 steps, including 99945 resets, run timeout after 30001 ms. (steps per millisecond=26 ) properties seen :[1, 0, 1, 1, 0, 1, 1, 0, 1]
FORMULA gen-ReachabilityFireability-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA gen-ReachabilityFireability-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA gen-ReachabilityFireability-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA gen-ReachabilityFireability-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA gen-ReachabilityFireability-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA gen-ReachabilityFireability-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 1000001 steps, including 4444 resets, run finished after 2642 ms. (steps per millisecond=378 ) properties seen :[1, 0, 0]
FORMULA gen-ReachabilityFireability-03 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 1000001 steps, including 5422 resets, run finished after 3027 ms. (steps per millisecond=330 ) properties seen :[0, 0]
Incomplete Best-First random walk after 1000001 steps, including 4937 resets, run finished after 2795 ms. (steps per millisecond=357 ) properties seen :[0, 0]
[2021-05-18 18:13:23] [INFO ] Flow matrix only has 1306 transitions (discarded 3536 similar events)
// Phase 1: matrix 1306 rows 831 cols
[2021-05-18 18:13:23] [INFO ] Computed 18 place invariants in 10 ms
[2021-05-18 18:13:23] [INFO ] [Real]Absence check using 0 positive and 18 generalized place invariants in 20 ms returned sat
[2021-05-18 18:13:23] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-18 18:13:24] [INFO ] [Real]Absence check using state equation in 724 ms returned unsat
[2021-05-18 18:13:24] [INFO ] [Real]Absence check using 0 positive and 18 generalized place invariants in 20 ms returned sat
[2021-05-18 18:13:24] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-18 18:13:24] [INFO ] [Real]Absence check using state equation in 590 ms returned unsat
FORMULA gen-ReachabilityFireability-14 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA gen-ReachabilityFireability-10 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
All properties solved without resorting to model-checking.

BK_STOP 1621361615805

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

+ export BINDIR=/home/mcc/BenchKit/
+ BINDIR=/home/mcc/BenchKit/
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit//runeclipse.sh /home/mcc/execution ReachabilityFireability -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -greatspnpath /home/mcc/BenchKit//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ /home/mcc/BenchKit//itstools/its-tools -data /home/mcc/execution/workspace -pnfolder /home/mcc/execution -examination ReachabilityFireability -z3path /home/mcc/BenchKit//z3/bin/z3 -yices2path /home/mcc/BenchKit//yices/bin/yices -its -ltsminpath /home/mcc/BenchKit//lts_install_dir/ -greatspnpath /home/mcc/BenchKit//greatspn/ -order META -manyOrder -smt -timeout 3600 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss128m -Xms40m -Xmx16000m -Dfile.encoding=UTF-8 -Dosgi.requiredJavaVersion=1.6

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="LeafsetExtension-PT-S64C2"
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 LeafsetExtension-PT-S64C2, 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 r303-tall-162124171400276"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/LeafsetExtension-PT-S64C2.tgz
mv LeafsetExtension-PT-S64C2 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 ;