About the Execution of Smart+red for LamportFastMutEx-COL-6
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 708.052 | 26424.00 | 36116.00 | 648.30 | TTTT?TTTTTFTFTFF | normal |
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.r235-tall-167856421700375.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 smartxred
Input is LamportFastMutEx-COL-6, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r235-tall-167856421700375
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 484K
-rw-r--r-- 1 mcc users 7.1K Feb 25 13:41 CTLCardinality.txt
-rw-r--r-- 1 mcc users 70K Feb 25 13:41 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Feb 25 13:40 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K Feb 25 13:40 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.1K Feb 25 16:20 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Feb 25 16:20 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Feb 25 16:20 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:20 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.2K Feb 25 13:44 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 73K Feb 25 13:44 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Feb 25 13:43 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 97K Feb 25 13:43 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 16:20 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:20 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 equiv_pt
-rw-r--r-- 1 mcc users 2 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 42K Mar 5 18:22 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 LamportFastMutEx-COL-6-ReachabilityFireability-00
FORMULA_NAME LamportFastMutEx-COL-6-ReachabilityFireability-01
FORMULA_NAME LamportFastMutEx-COL-6-ReachabilityFireability-02
FORMULA_NAME LamportFastMutEx-COL-6-ReachabilityFireability-03
FORMULA_NAME LamportFastMutEx-COL-6-ReachabilityFireability-04
FORMULA_NAME LamportFastMutEx-COL-6-ReachabilityFireability-05
FORMULA_NAME LamportFastMutEx-COL-6-ReachabilityFireability-06
FORMULA_NAME LamportFastMutEx-COL-6-ReachabilityFireability-07
FORMULA_NAME LamportFastMutEx-COL-6-ReachabilityFireability-08
FORMULA_NAME LamportFastMutEx-COL-6-ReachabilityFireability-09
FORMULA_NAME LamportFastMutEx-COL-6-ReachabilityFireability-10
FORMULA_NAME LamportFastMutEx-COL-6-ReachabilityFireability-11
FORMULA_NAME LamportFastMutEx-COL-6-ReachabilityFireability-12
FORMULA_NAME LamportFastMutEx-COL-6-ReachabilityFireability-13
FORMULA_NAME LamportFastMutEx-COL-6-ReachabilityFireability-14
FORMULA_NAME LamportFastMutEx-COL-6-ReachabilityFireability-15
=== Now, execution of the tool begins
BK_START 1678649634120
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=smartxred
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=LamportFastMutEx-COL-6
Applying reductions before tool smart
Invoking reducer
Running Version 202303021504
[2023-03-12 19:33:55] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2023-03-12 19:33:55] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-12 19:33:55] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2023-03-12 19:33:56] [WARNING] Using fallBack plugin, rng conformance not checked
[2023-03-12 19:33:56] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 1053 ms
[2023-03-12 19:33:56] [INFO ] Imported 18 HL places and 17 HL transitions for a total of 217 PT places and 525.0 transition bindings in 15 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 20 ms.
Working with output stream class java.io.PrintStream
FORMULA LamportFastMutEx-COL-6-ReachabilityFireability-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-COL-6-ReachabilityFireability-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-12 19:33:56] [INFO ] Built PT skeleton of HLPN with 18 places and 17 transitions 68 arcs in 5 ms.
[2023-03-12 19:33:56] [INFO ] Skeletonized 14 HLPN properties in 1 ms.
Remains 1 properties that can be checked using skeleton over-approximation.
Reduce places removed 3 places and 0 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
[2023-03-12 19:33:56] [INFO ] Flatten gal took : 12 ms
[2023-03-12 19:33:56] [INFO ] Flatten gal took : 3 ms
Domain [pid(7), pid(7)] of place P_wait breaks symmetries in sort pid
Symmetric sort wr.t. initial and guards and successors and join/free detected :P_bool
Arc [3:1*[$i, 1]] contains constants of sort P_bool
Transition T_setbi_2 : constants on arcs in [[3:1*[$i, 1]]] introduces in P_bool(2) partition with 1 elements that refines current partition to 2 subsets.
[2023-03-12 19:33:56] [INFO ] Unfolded HLPN to a Petri net with 217 places and 420 transitions 1834 arcs in 22 ms.
[2023-03-12 19:33:56] [INFO ] Unfolded 14 HLPN properties in 1 ms.
Initial state reduction rules removed 6 formulas.
Deduced a syphon composed of 41 places in 2 ms
Reduce places removed 41 places and 66 transitions.
FORMULA LamportFastMutEx-COL-6-ReachabilityFireability-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-COL-6-ReachabilityFireability-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-COL-6-ReachabilityFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-COL-6-ReachabilityFireability-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-COL-6-ReachabilityFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-COL-6-ReachabilityFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 2 resets, run finished after 124 ms. (steps per millisecond=80 ) properties (out of 8) seen :7
FORMULA LamportFastMutEx-COL-6-ReachabilityFireability-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-COL-6-ReachabilityFireability-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-COL-6-ReachabilityFireability-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-COL-6-ReachabilityFireability-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-COL-6-ReachabilityFireability-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-COL-6-ReachabilityFireability-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA LamportFastMutEx-COL-6-ReachabilityFireability-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 118 ms. (steps per millisecond=84 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-12 19:33:57] [INFO ] Flow matrix only has 264 transitions (discarded 90 similar events)
// Phase 1: matrix 264 rows 176 cols
[2023-03-12 19:33:57] [INFO ] Computed 50 place invariants in 13 ms
[2023-03-12 19:33:57] [INFO ] [Real]Absence check using 50 positive place invariants in 18 ms returned sat
[2023-03-12 19:33:57] [INFO ] After 209ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-12 19:33:57] [INFO ] [Nat]Absence check using 50 positive place invariants in 11 ms returned sat
[2023-03-12 19:33:57] [INFO ] After 395ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-12 19:33:57] [INFO ] State equation strengthened by 72 read => feed constraints.
[2023-03-12 19:33:58] [INFO ] After 282ms SMT Verify possible using 72 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-12 19:33:58] [INFO ] Deduced a trap composed of 19 places in 92 ms of which 4 ms to minimize.
[2023-03-12 19:33:58] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 129 ms
[2023-03-12 19:33:58] [INFO ] After 676ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 268 ms.
[2023-03-12 19:33:58] [INFO ] After 1457ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 4 ms.
Support contains 103 out of 176 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 176/176 places, 354/354 transitions.
Applied a total of 0 rules in 24 ms. Remains 176 /176 variables (removed 0) and now considering 354/354 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25 ms. Remains : 176/176 places, 354/354 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 88 ms. (steps per millisecond=113 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 1251533 steps, run timeout after 3001 ms. (steps per millisecond=417 ) properties seen :{}
Probabilistic random walk after 1251533 steps, saw 411859 distinct states, run finished after 3002 ms. (steps per millisecond=416 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-12 19:34:02] [INFO ] Flow matrix only has 264 transitions (discarded 90 similar events)
[2023-03-12 19:34:02] [INFO ] Invariant cache hit.
[2023-03-12 19:34:02] [INFO ] [Real]Absence check using 50 positive place invariants in 10 ms returned sat
[2023-03-12 19:34:02] [INFO ] After 73ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-12 19:34:02] [INFO ] [Nat]Absence check using 50 positive place invariants in 14 ms returned sat
[2023-03-12 19:34:02] [INFO ] After 327ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-12 19:34:02] [INFO ] State equation strengthened by 72 read => feed constraints.
[2023-03-12 19:34:02] [INFO ] After 262ms SMT Verify possible using 72 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-12 19:34:03] [INFO ] Deduced a trap composed of 15 places in 64 ms of which 1 ms to minimize.
[2023-03-12 19:34:03] [INFO ] Deduced a trap composed of 18 places in 59 ms of which 1 ms to minimize.
[2023-03-12 19:34:03] [INFO ] Deduced a trap composed of 23 places in 60 ms of which 1 ms to minimize.
[2023-03-12 19:34:03] [INFO ] Deduced a trap composed of 30 places in 58 ms of which 0 ms to minimize.
[2023-03-12 19:34:03] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 346 ms
[2023-03-12 19:34:03] [INFO ] After 851ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 253 ms.
[2023-03-12 19:34:03] [INFO ] After 1506ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 1 ms.
Support contains 103 out of 176 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 176/176 places, 354/354 transitions.
Applied a total of 0 rules in 11 ms. Remains 176 /176 variables (removed 0) and now considering 354/354 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 176/176 places, 354/354 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 176/176 places, 354/354 transitions.
Applied a total of 0 rules in 10 ms. Remains 176 /176 variables (removed 0) and now considering 354/354 (removed 0) transitions.
[2023-03-12 19:34:03] [INFO ] Flow matrix only has 264 transitions (discarded 90 similar events)
[2023-03-12 19:34:03] [INFO ] Invariant cache hit.
[2023-03-12 19:34:03] [INFO ] Implicit Places using invariants in 62 ms returned []
[2023-03-12 19:34:03] [INFO ] Flow matrix only has 264 transitions (discarded 90 similar events)
[2023-03-12 19:34:03] [INFO ] Invariant cache hit.
[2023-03-12 19:34:03] [INFO ] State equation strengthened by 72 read => feed constraints.
[2023-03-12 19:34:03] [INFO ] Implicit Places using invariants and state equation in 153 ms returned []
Implicit Place search using SMT with State Equation took 220 ms to find 0 implicit places.
[2023-03-12 19:34:04] [INFO ] Redundant transitions in 22 ms returned []
[2023-03-12 19:34:04] [INFO ] Flow matrix only has 264 transitions (discarded 90 similar events)
[2023-03-12 19:34:04] [INFO ] Invariant cache hit.
[2023-03-12 19:34:04] [INFO ] Dead Transitions using invariants and state equation in 140 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 401 ms. Remains : 176/176 places, 354/354 transitions.
Ensure Unique test removed 90 transitions
Reduce isomorphic transitions removed 90 transitions.
Iterating post reduction 0 with 90 rules applied. Total rules applied 90 place count 176 transition count 264
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 1 with 12 rules applied. Total rules applied 102 place count 170 transition count 258
Partial Free-agglomeration rule applied 6 times.
Drop transitions removed 6 transitions
Iterating global reduction 1 with 6 rules applied. Total rules applied 108 place count 170 transition count 258
Applied a total of 108 rules in 26 ms. Remains 170 /176 variables (removed 6) and now considering 258/354 (removed 96) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 258 rows 170 cols
[2023-03-12 19:34:04] [INFO ] Computed 50 place invariants in 5 ms
[2023-03-12 19:34:04] [INFO ] [Real]Absence check using 50 positive place invariants in 7 ms returned sat
[2023-03-12 19:34:04] [INFO ] After 52ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-12 19:34:04] [INFO ] [Nat]Absence check using 50 positive place invariants in 10 ms returned sat
[2023-03-12 19:34:04] [INFO ] After 320ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-12 19:34:04] [INFO ] After 588ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 260 ms.
[2023-03-12 19:34:05] [INFO ] After 904ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2023-03-12 19:34:05] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityFireability.sr.xml took 4 ms.
[2023-03-12 19:34:05] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 176 places, 354 transitions and 1536 arcs took 3 ms.
[2023-03-12 19:34:05] [INFO ] Flatten gal took : 70 ms
Total runtime 9752 ms.
There are residual formulas that ITS could not solve within timeout
======================================================
========== this is Smart for the MCC'2018 ============
======================================================
Running LamportFastMutEx (COL), instance 6
Examination ReachabilityFireability
Parser /home/mcc/BenchKit/bin//../reducer/bin//../../smart/bin//parser/Fireability.jar
Model checker /home/mcc/BenchKit/bin//../reducer/bin//../../smart/bin//rem_exec//smart
GOT IT HERE. BS
Petri model created: 176 places, 354 transitions, 1536 arcs.
Final Score: 4812.524
Took : 14 seconds
Reachability Fireability file is: ReachabilityFireability.xml
READY TO PARSE. BS
BK_STOP 1678649660544
--------------------
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
ERROR in file model.sm near line 2086:
syntax error
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="LamportFastMutEx-COL-6"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="smartxred"
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 smartxred"
echo " Input is LamportFastMutEx-COL-6, 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 r235-tall-167856421700375"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/LamportFastMutEx-COL-6.tgz
mv LamportFastMutEx-COL-6 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 '
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 ;