About the Execution of LTSMin+red for Sudoku-COL-AN07
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
2101.359 | 37296.00 | 84008.00 | 113.80 | ????F??F??F????? | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2024-input.r536-tall-171690532400458.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.................
=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is Sudoku-COL-AN07, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r536-tall-171690532400458
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 516K
-rw-r--r-- 1 mcc users 6.0K Apr 12 11:37 CTLCardinality.txt
-rw-r--r-- 1 mcc users 59K Apr 12 11:37 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Apr 12 11:30 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K Apr 12 11:30 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K May 18 16:43 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.9K Apr 23 08:00 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Apr 23 08:00 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Apr 23 08:00 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Apr 23 08:00 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K Apr 12 11:59 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 184K Apr 12 11:59 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.1K Apr 12 11:38 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 66K Apr 12 11:38 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 23 08:00 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Apr 23 08:00 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:43 equiv_pt
-rw-r--r-- 1 mcc users 5 May 18 16:43 instance
-rw-r--r-- 1 mcc users 5 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 6.5K May 18 16:43 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 Sudoku-COL-AN07-CTLFireability-2024-00
FORMULA_NAME Sudoku-COL-AN07-CTLFireability-2024-01
FORMULA_NAME Sudoku-COL-AN07-CTLFireability-2024-02
FORMULA_NAME Sudoku-COL-AN07-CTLFireability-2024-03
FORMULA_NAME Sudoku-COL-AN07-CTLFireability-2024-04
FORMULA_NAME Sudoku-COL-AN07-CTLFireability-2024-05
FORMULA_NAME Sudoku-COL-AN07-CTLFireability-2024-06
FORMULA_NAME Sudoku-COL-AN07-CTLFireability-2024-07
FORMULA_NAME Sudoku-COL-AN07-CTLFireability-2024-08
FORMULA_NAME Sudoku-COL-AN07-CTLFireability-2024-09
FORMULA_NAME Sudoku-COL-AN07-CTLFireability-2024-10
FORMULA_NAME Sudoku-COL-AN07-CTLFireability-2024-11
FORMULA_NAME Sudoku-COL-AN07-CTLFireability-2024-12
FORMULA_NAME Sudoku-COL-AN07-CTLFireability-2024-13
FORMULA_NAME Sudoku-COL-AN07-CTLFireability-2024-14
FORMULA_NAME Sudoku-COL-AN07-CTLFireability-2024-15
=== Now, execution of the tool begins
BK_START 1717258365061
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=CTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Sudoku-COL-AN07
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 16:12:46] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLFireability, -timeout, 360, -rebuildPNML]
[2024-06-01 16:12:46] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 16:12:46] [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.
[2024-06-01 16:12:46] [WARNING] Using fallBack plugin, rng conformance not checked
[2024-06-01 16:12:46] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 518 ms
[2024-06-01 16:12:46] [INFO ] Imported 4 HL places and 1 HL transitions for a total of 490 PT places and 343.0 transition bindings in 12 ms.
Parsed 16 properties from file /home/mcc/execution/CTLFireability.xml in 18 ms.
[2024-06-01 16:12:46] [INFO ] Built PT skeleton of HLPN with 4 places and 1 transitions 4 arcs in 4 ms.
[2024-06-01 16:12:46] [INFO ] Skeletonized 16 HLPN properties in 3 ms.
Computed a total of 4 stabilizing places and 1 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 4 transition count 1
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
AF dead knowledge conclusive for 11 formulas.
Remains 2 properties that can be checked using skeleton over-approximation.
Computed a total of 4 stabilizing places and 1 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 4 transition count 1
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2024-06-01 16:12:46] [INFO ] Initial state reduction rules for CTL removed 2 formulas.
[2024-06-01 16:12:46] [INFO ] Flatten gal took : 12 ms
FORMULA Sudoku-COL-AN07-CTLFireability-2024-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Sudoku-COL-AN07-CTLFireability-2024-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2024-06-01 16:12:47] [INFO ] Flatten gal took : 1 ms
Domain [N(7), N(7)] of place Rows breaks symmetries in sort N
[2024-06-01 16:12:47] [INFO ] Unfolded HLPN to a Petri net with 490 places and 343 transitions 1372 arcs in 26 ms.
[2024-06-01 16:12:47] [INFO ] Unfolded 14 HLPN properties in 5 ms.
Support contains 147 out of 490 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 490/490 places, 343/343 transitions.
Reduce places removed 343 places and 0 transitions.
Iterating post reduction 0 with 343 rules applied. Total rules applied 343 place count 147 transition count 343
Applied a total of 343 rules in 19 ms. Remains 147 /490 variables (removed 343) and now considering 343/343 (removed 0) transitions.
// Phase 1: matrix 343 rows 147 cols
[2024-06-01 16:12:47] [INFO ] Computed 20 invariants in 36 ms
[2024-06-01 16:12:47] [INFO ] Implicit Places using invariants in 235 ms returned []
[2024-06-01 16:12:47] [INFO ] Invariant cache hit.
[2024-06-01 16:12:47] [INFO ] Implicit Places using invariants and state equation in 150 ms returned []
Implicit Place search using SMT with State Equation took 414 ms to find 0 implicit places.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 1ms
Starting structural reductions in LTL mode, iteration 1 : 147/490 places, 343/343 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 446 ms. Remains : 147/490 places, 343/343 transitions.
Support contains 147 out of 147 places after structural reductions.
[2024-06-01 16:12:48] [INFO ] Flatten gal took : 349 ms
[2024-06-01 16:12:51] [INFO ] Flatten gal took : 348 ms
[2024-06-01 16:12:54] [INFO ] Input system was already deterministic with 343 transitions.
Reduction of identical properties reduced properties to check from 13 to 7
RANDOM walk for 40000 steps (939 resets) in 4373 ms. (9 steps per ms) remains 4/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 6331 ms. (6 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 13930 ms. (2 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 6167 ms. (6 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 9170 ms. (4 steps per ms) remains 4/4 properties
[2024-06-01 16:13:06] [INFO ] Invariant cache hit.
Problem AtomicPropp5 is UNSAT
Problem AtomicPropp9 is UNSAT
Problem AtomicPropp10 is UNSAT
Problem AtomicPropp11 is UNSAT
After SMT solving in domain Real declared 147/490 variables, and 0 constraints, problems are : Problem set: 4 solved, 0 unsolved in 131 ms.
Refiners :[Generalized P Invariants (flows): 0/20 constraints, State Equation: 0/147 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 3315ms problems are : Problem set: 4 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 4 atomic propositions for a total of 14 simplifications.
[2024-06-01 16:13:10] [INFO ] Initial state reduction rules for CTL removed 1 formulas.
[2024-06-01 16:13:10] [INFO ] Flatten gal took : 199 ms
FORMULA Sudoku-COL-AN07-CTLFireability-2024-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2024-06-01 16:13:12] [INFO ] Flatten gal took : 230 ms
[2024-06-01 16:13:14] [INFO ] Input system was already deterministic with 343 transitions.
Computed a total of 147 stabilizing places and 343 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 147 transition count 343
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
AF dead knowledge conclusive for 1 formulas.
Starting structural reductions in SI_CTL mode, iteration 0 : 147/147 places, 343/343 transitions.
Applied a total of 0 rules in 8 ms. Remains 147 /147 variables (removed 0) and now considering 343/343 (removed 0) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 8 ms. Remains : 147/147 places, 343/343 transitions.
[2024-06-01 16:13:14] [INFO ] Flatten gal took : 20 ms
[2024-06-01 16:13:14] [INFO ] Flatten gal took : 25 ms
[2024-06-01 16:13:14] [INFO ] Input system was already deterministic with 343 transitions.
Starting structural reductions in LTL mode, iteration 0 : 147/147 places, 343/343 transitions.
Applied a total of 0 rules in 2 ms. Remains 147 /147 variables (removed 0) and now considering 343/343 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2 ms. Remains : 147/147 places, 343/343 transitions.
[2024-06-01 16:13:15] [INFO ] Flatten gal took : 31 ms
[2024-06-01 16:13:15] [INFO ] Flatten gal took : 54 ms
[2024-06-01 16:13:15] [INFO ] Input system was already deterministic with 343 transitions.
Starting structural reductions in LTL mode, iteration 0 : 147/147 places, 343/343 transitions.
Applied a total of 0 rules in 2 ms. Remains 147 /147 variables (removed 0) and now considering 343/343 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2 ms. Remains : 147/147 places, 343/343 transitions.
[2024-06-01 16:13:15] [INFO ] Flatten gal took : 36 ms
[2024-06-01 16:13:15] [INFO ] Flatten gal took : 50 ms
[2024-06-01 16:13:15] [INFO ] Input system was already deterministic with 343 transitions.
Starting structural reductions in LTL mode, iteration 0 : 147/147 places, 343/343 transitions.
Applied a total of 0 rules in 2 ms. Remains 147 /147 variables (removed 0) and now considering 343/343 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2 ms. Remains : 147/147 places, 343/343 transitions.
[2024-06-01 16:13:15] [INFO ] Flatten gal took : 30 ms
[2024-06-01 16:13:15] [INFO ] Flatten gal took : 42 ms
[2024-06-01 16:13:15] [INFO ] Input system was already deterministic with 343 transitions.
Starting structural reductions in LTL mode, iteration 0 : 147/147 places, 343/343 transitions.
Applied a total of 0 rules in 1 ms. Remains 147 /147 variables (removed 0) and now considering 343/343 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1 ms. Remains : 147/147 places, 343/343 transitions.
[2024-06-01 16:13:15] [INFO ] Flatten gal took : 30 ms
[2024-06-01 16:13:15] [INFO ] Flatten gal took : 43 ms
[2024-06-01 16:13:15] [INFO ] Input system was already deterministic with 343 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 147/147 places, 343/343 transitions.
Applied a total of 0 rules in 3 ms. Remains 147 /147 variables (removed 0) and now considering 343/343 (removed 0) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 4 ms. Remains : 147/147 places, 343/343 transitions.
[2024-06-01 16:13:15] [INFO ] Flatten gal took : 23 ms
[2024-06-01 16:13:16] [INFO ] Flatten gal took : 32 ms
[2024-06-01 16:13:16] [INFO ] Input system was already deterministic with 343 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 147/147 places, 343/343 transitions.
Applied a total of 0 rules in 3 ms. Remains 147 /147 variables (removed 0) and now considering 343/343 (removed 0) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 3 ms. Remains : 147/147 places, 343/343 transitions.
[2024-06-01 16:13:16] [INFO ] Flatten gal took : 22 ms
[2024-06-01 16:13:16] [INFO ] Flatten gal took : 32 ms
[2024-06-01 16:13:16] [INFO ] Input system was already deterministic with 343 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 147/147 places, 343/343 transitions.
Applied a total of 0 rules in 3 ms. Remains 147 /147 variables (removed 0) and now considering 343/343 (removed 0) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 3 ms. Remains : 147/147 places, 343/343 transitions.
[2024-06-01 16:13:16] [INFO ] Flatten gal took : 15 ms
[2024-06-01 16:13:16] [INFO ] Flatten gal took : 19 ms
[2024-06-01 16:13:16] [INFO ] Input system was already deterministic with 343 transitions.
Starting structural reductions in LTL mode, iteration 0 : 147/147 places, 343/343 transitions.
Applied a total of 0 rules in 1 ms. Remains 147 /147 variables (removed 0) and now considering 343/343 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1 ms. Remains : 147/147 places, 343/343 transitions.
[2024-06-01 16:13:16] [INFO ] Flatten gal took : 12 ms
[2024-06-01 16:13:16] [INFO ] Flatten gal took : 14 ms
[2024-06-01 16:13:16] [INFO ] Input system was already deterministic with 343 transitions.
Starting structural reductions in LTL mode, iteration 0 : 147/147 places, 343/343 transitions.
Applied a total of 0 rules in 1 ms. Remains 147 /147 variables (removed 0) and now considering 343/343 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1 ms. Remains : 147/147 places, 343/343 transitions.
[2024-06-01 16:13:16] [INFO ] Flatten gal took : 22 ms
[2024-06-01 16:13:16] [INFO ] Flatten gal took : 31 ms
[2024-06-01 16:13:16] [INFO ] Input system was already deterministic with 343 transitions.
Starting structural reductions in LTL mode, iteration 0 : 147/147 places, 343/343 transitions.
Applied a total of 0 rules in 0 ms. Remains 147 /147 variables (removed 0) and now considering 343/343 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1 ms. Remains : 147/147 places, 343/343 transitions.
[2024-06-01 16:13:16] [INFO ] Flatten gal took : 13 ms
[2024-06-01 16:13:16] [INFO ] Flatten gal took : 16 ms
[2024-06-01 16:13:16] [INFO ] Input system was already deterministic with 343 transitions.
Starting structural reductions in LTL mode, iteration 0 : 147/147 places, 343/343 transitions.
Applied a total of 0 rules in 1 ms. Remains 147 /147 variables (removed 0) and now considering 343/343 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1 ms. Remains : 147/147 places, 343/343 transitions.
[2024-06-01 16:13:16] [INFO ] Flatten gal took : 12 ms
[2024-06-01 16:13:16] [INFO ] Flatten gal took : 13 ms
[2024-06-01 16:13:16] [INFO ] Input system was already deterministic with 343 transitions.
Starting structural reductions in LTL mode, iteration 0 : 147/147 places, 343/343 transitions.
Applied a total of 0 rules in 1 ms. Remains 147 /147 variables (removed 0) and now considering 343/343 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1 ms. Remains : 147/147 places, 343/343 transitions.
[2024-06-01 16:13:16] [INFO ] Flatten gal took : 14 ms
[2024-06-01 16:13:16] [INFO ] Flatten gal took : 17 ms
[2024-06-01 16:13:16] [INFO ] Input system was already deterministic with 343 transitions.
[2024-06-01 16:13:17] [INFO ] Flatten gal took : 234 ms
[2024-06-01 16:13:19] [INFO ] Flatten gal took : 238 ms
[2024-06-01 16:13:21] [INFO ] Export to MCC of 13 properties in file /home/mcc/execution/CTLFireability.sr.xml took 88 ms.
[2024-06-01 16:13:21] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 147 places, 343 transitions and 1029 arcs took 4 ms.
Total runtime 35010 ms.
There are residual formulas that ITS could not solve within timeout
Usage: pnml2lts-sym [-gvqh] [--order=
[--mu-opt] [--saturation=
[--sat-granularity=
[--guidance=
[--action=
[--trace=
[--mu=
[--ctl=
[--save-levels=STRING] [--pg-solve] [--attr=
[--saturating-attractor] [--write-strategy=
[--check-strategy] [--interactive-play] [--player]
[--pg-write=
[--edge-label=
[--mucalc=
[--allow-undefined-edges] [--allow-undefined-values]
[-p|--por=
[--weak=[valmari] (default: uses stronger left-commutativity)]
[--leap] [-r|--regroup=<(T,)+>] [--sloan-w1=
[--cw-max-cols=
[--mh-timeout=
[--graph-metrics] [--regroup-exit] [--regroup-time]
[-g|--pins-guards] [--vset=
[--ldd32-cache=
[--cache-ratio=
[--min-free-nodes=
[--fdd-reorder=
[--vset-cache-diff=
[--next-union] [--peak-nodes] [--maxsum=
[--block-size=
[--debug=
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="Sudoku-COL-AN07"
export BK_EXAMINATION="CTLFireability"
export BK_TOOL="ltsminxred"
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 2-5568"
echo " Executing tool ltsminxred"
echo " Input is Sudoku-COL-AN07, examination is CTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r536-tall-171690532400458"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/Sudoku-COL-AN07.tgz
mv Sudoku-COL-AN07 execution
cd execution
if [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "UpperBounds" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] || [ "CTLFireability" = "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 [ "CTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLFireability" != "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 "CTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLFireability.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 [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLFireability"
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 ;