fond
Model Checking Contest 2024
14th edition, Geneva, Switzerland, June 25, 2024
Execution of r480-tall-171624189600591
Last Updated
July 7, 2024

About the Execution of LTSMin+red for DBSingleClientW-PT-d2m09

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
698.439 16375.00 31418.00 63.70 TTTFTFTTTTTFTTTF 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.r480-tall-171624189600591.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 DBSingleClientW-PT-d2m09, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r480-tall-171624189600591
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.0M
-rw-r--r-- 1 mcc users 8.0K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 89K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.8K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 64K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.4K Apr 22 14:36 LTLCardinality.txt
-rw-r--r-- 1 mcc users 21K Apr 22 14:36 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 19 07:15 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 19 18:07 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Apr 12 12:52 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 128K Apr 12 12:52 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.5K Apr 12 12:51 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 70K Apr 12 12:51 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 22 14:36 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Apr 22 14:36 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 6 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 1.6M May 18 16:42 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 DBSingleClientW-PT-d2m09-ReachabilityFireability-2024-00
FORMULA_NAME DBSingleClientW-PT-d2m09-ReachabilityFireability-2024-01
FORMULA_NAME DBSingleClientW-PT-d2m09-ReachabilityFireability-2024-02
FORMULA_NAME DBSingleClientW-PT-d2m09-ReachabilityFireability-2024-03
FORMULA_NAME DBSingleClientW-PT-d2m09-ReachabilityFireability-2024-04
FORMULA_NAME DBSingleClientW-PT-d2m09-ReachabilityFireability-2024-05
FORMULA_NAME DBSingleClientW-PT-d2m09-ReachabilityFireability-2024-06
FORMULA_NAME DBSingleClientW-PT-d2m09-ReachabilityFireability-2024-07
FORMULA_NAME DBSingleClientW-PT-d2m09-ReachabilityFireability-2024-08
FORMULA_NAME DBSingleClientW-PT-d2m09-ReachabilityFireability-2024-09
FORMULA_NAME DBSingleClientW-PT-d2m09-ReachabilityFireability-2024-10
FORMULA_NAME DBSingleClientW-PT-d2m09-ReachabilityFireability-2024-11
FORMULA_NAME DBSingleClientW-PT-d2m09-ReachabilityFireability-2024-12
FORMULA_NAME DBSingleClientW-PT-d2m09-ReachabilityFireability-2024-13
FORMULA_NAME DBSingleClientW-PT-d2m09-ReachabilityFireability-2024-14
FORMULA_NAME DBSingleClientW-PT-d2m09-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1717191337962

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DBSingleClientW-PT-d2m09
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-05-31 21:35:39] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2024-05-31 21:35:39] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-31 21:35:39] [INFO ] Load time of PNML (sax parser for PT used): 199 ms
[2024-05-31 21:35:39] [INFO ] Transformed 4763 places.
[2024-05-31 21:35:39] [INFO ] Transformed 2478 transitions.
[2024-05-31 21:35:39] [INFO ] Parsed PT model containing 4763 places and 2478 transitions and 9912 arcs in 332 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 16 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 3580 places in 16 ms
Reduce places removed 3580 places and 0 transitions.
RANDOM walk for 40000 steps (9207 resets) in 2634 ms. (15 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (199 resets) in 57 ms. (69 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (162 resets) in 35 ms. (111 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (188 resets) in 51 ms. (76 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (180 resets) in 31 ms. (125 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (406 resets) in 109 ms. (36 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (166 resets) in 32 ms. (121 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (178 resets) in 89 ms. (44 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4002 steps (179 resets) in 257 ms. (15 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (176 resets) in 127 ms. (31 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (174 resets) in 98 ms. (40 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (169 resets) in 187 ms. (21 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (183 resets) in 40 ms. (97 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (165 resets) in 27 ms. (143 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4002 steps (174 resets) in 28 ms. (138 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4002 steps (171 resets) in 26 ms. (148 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (187 resets) in 26 ms. (148 steps per ms) remains 16/16 properties
Interrupted probabilistic random walk after 217903 steps, run timeout after 3001 ms. (steps per millisecond=72 ) properties seen :9 out of 16
Probabilistic random walk after 217903 steps, saw 92122 distinct states, run finished after 3005 ms. (steps per millisecond=72 ) properties seen :9
FORMULA DBSingleClientW-PT-d2m09-ReachabilityFireability-2024-15 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA DBSingleClientW-PT-d2m09-ReachabilityFireability-2024-13 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA DBSingleClientW-PT-d2m09-ReachabilityFireability-2024-11 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA DBSingleClientW-PT-d2m09-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA DBSingleClientW-PT-d2m09-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA DBSingleClientW-PT-d2m09-ReachabilityFireability-2024-07 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA DBSingleClientW-PT-d2m09-ReachabilityFireability-2024-05 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA DBSingleClientW-PT-d2m09-ReachabilityFireability-2024-01 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA DBSingleClientW-PT-d2m09-ReachabilityFireability-2024-00 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
// Phase 1: matrix 2478 rows 1183 cols
[2024-05-31 21:35:44] [INFO ] Computed 6 invariants in 128 ms
[2024-05-31 21:35:44] [INFO ] State equation strengthened by 1588 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/90 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 480/570 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/570 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Problem DBSingleClientW-PT-d2m09-ReachabilityFireability-2024-02 is UNSAT
FORMULA DBSingleClientW-PT-d2m09-ReachabilityFireability-2024-02 TRUE TECHNIQUES SMT_REFINEMENT
Problem DBSingleClientW-PT-d2m09-ReachabilityFireability-2024-03 is UNSAT
FORMULA DBSingleClientW-PT-d2m09-ReachabilityFireability-2024-03 FALSE TECHNIQUES SMT_REFINEMENT
Problem DBSingleClientW-PT-d2m09-ReachabilityFireability-2024-06 is UNSAT
FORMULA DBSingleClientW-PT-d2m09-ReachabilityFireability-2024-06 TRUE TECHNIQUES SMT_REFINEMENT
Problem DBSingleClientW-PT-d2m09-ReachabilityFireability-2024-08 is UNSAT
FORMULA DBSingleClientW-PT-d2m09-ReachabilityFireability-2024-08 TRUE TECHNIQUES SMT_REFINEMENT
Problem DBSingleClientW-PT-d2m09-ReachabilityFireability-2024-12 is UNSAT
FORMULA DBSingleClientW-PT-d2m09-ReachabilityFireability-2024-12 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 3 (OVERLAPS) 613/1183 variables, 4/6 constraints. Problems are: Problem set: 5 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1183 variables, 0/6 constraints. Problems are: Problem set: 5 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 2478/3661 variables, 1183/1189 constraints. Problems are: Problem set: 5 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3661 variables, 1588/2777 constraints. Problems are: Problem set: 5 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3661 variables, 0/2777 constraints. Problems are: Problem set: 5 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/3661 variables, 0/2777 constraints. Problems are: Problem set: 5 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3661/3661 variables, and 2777 constraints, problems are : Problem set: 5 solved, 2 unsolved in 2427 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 1183/1183 constraints, ReadFeed: 1588/1588 constraints, PredecessorRefiner: 7/2 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 5 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/43 variables, 0/0 constraints. Problems are: Problem set: 5 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 513/556 variables, 2/2 constraints. Problems are: Problem set: 5 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/556 variables, 0/2 constraints. Problems are: Problem set: 5 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 627/1183 variables, 4/6 constraints. Problems are: Problem set: 5 solved, 2 unsolved
[2024-05-31 21:35:48] [INFO ] Deduced a trap composed of 34 places in 834 ms of which 130 ms to minimize.
[2024-05-31 21:35:49] [INFO ] Deduced a trap composed of 73 places in 697 ms of which 8 ms to minimize.
[2024-05-31 21:35:49] [INFO ] Deduced a trap composed of 149 places in 663 ms of which 9 ms to minimize.
[2024-05-31 21:35:50] [INFO ] Deduced a trap composed of 33 places in 716 ms of which 7 ms to minimize.
[2024-05-31 21:35:51] [INFO ] Deduced a trap composed of 178 places in 625 ms of which 7 ms to minimize.
[2024-05-31 21:35:51] [INFO ] Deduced a trap composed of 148 places in 718 ms of which 8 ms to minimize.
[2024-05-31 21:35:52] [INFO ] Deduced a trap composed of 33 places in 723 ms of which 7 ms to minimize.
SMT process timed out in 8749ms, After SMT, problems are : Problem set: 5 solved, 2 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 43 out of 1183 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1183/1183 places, 2478/2478 transitions.
Graph (complete) has 4476 edges and 1183 vertex of which 1136 are kept as prefixes of interest. Removing 47 places using SCC suffix rule.7 ms
Discarding 47 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 18 transitions
Ensure Unique test removed 199 transitions
Reduce isomorphic transitions removed 217 transitions.
Iterating post reduction 0 with 217 rules applied. Total rules applied 218 place count 1136 transition count 2261
Discarding 371 places :
Symmetric choice reduction at 1 with 371 rule applications. Total rules 589 place count 765 transition count 1397
Iterating global reduction 1 with 371 rules applied. Total rules applied 960 place count 765 transition count 1397
Ensure Unique test removed 54 transitions
Reduce isomorphic transitions removed 54 transitions.
Iterating post reduction 1 with 54 rules applied. Total rules applied 1014 place count 765 transition count 1343
Discarding 292 places :
Symmetric choice reduction at 2 with 292 rule applications. Total rules 1306 place count 473 transition count 1051
Iterating global reduction 2 with 292 rules applied. Total rules applied 1598 place count 473 transition count 1051
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 1605 place count 473 transition count 1044
Discarding 215 places :
Symmetric choice reduction at 3 with 215 rule applications. Total rules 1820 place count 258 transition count 744
Iterating global reduction 3 with 215 rules applied. Total rules applied 2035 place count 258 transition count 744
Ensure Unique test removed 218 transitions
Reduce isomorphic transitions removed 218 transitions.
Iterating post reduction 3 with 218 rules applied. Total rules applied 2253 place count 258 transition count 526
Discarding 14 places :
Symmetric choice reduction at 4 with 14 rule applications. Total rules 2267 place count 244 transition count 507
Iterating global reduction 4 with 14 rules applied. Total rules applied 2281 place count 244 transition count 507
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 4 with 12 rules applied. Total rules applied 2293 place count 244 transition count 495
Discarding 7 places :
Symmetric choice reduction at 5 with 7 rule applications. Total rules 2300 place count 237 transition count 488
Iterating global reduction 5 with 7 rules applied. Total rules applied 2307 place count 237 transition count 488
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 2310 place count 237 transition count 485
Discarding 5 places :
Symmetric choice reduction at 6 with 5 rule applications. Total rules 2315 place count 232 transition count 480
Iterating global reduction 6 with 5 rules applied. Total rules applied 2320 place count 232 transition count 480
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 6 with 6 rules applied. Total rules applied 2326 place count 232 transition count 474
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 2327 place count 231 transition count 472
Iterating global reduction 7 with 1 rules applied. Total rules applied 2328 place count 231 transition count 472
Applied a total of 2328 rules in 281 ms. Remains 231 /1183 variables (removed 952) and now considering 472/2478 (removed 2006) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 290 ms. Remains : 231/1183 places, 472/2478 transitions.
RANDOM walk for 40000 steps (9125 resets) in 446 ms. (89 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (3814 resets) in 160 ms. (248 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (1732 resets) in 141 ms. (281 steps per ms) remains 2/2 properties
Finished probabilistic random walk after 315307 steps, run visited all 2 properties in 1058 ms. (steps per millisecond=298 )
Probabilistic random walk after 315307 steps, saw 124239 distinct states, run finished after 1062 ms. (steps per millisecond=296 ) properties seen :2
FORMULA DBSingleClientW-PT-d2m09-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA DBSingleClientW-PT-d2m09-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
All properties solved without resorting to model-checking.
Total runtime 15052 ms.
ITS solved all properties within timeout

BK_STOP 1717191354337

--------------------
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_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -timeout 360 -rebuildPNML

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="DBSingleClientW-PT-d2m09"
export BK_EXAMINATION="ReachabilityFireability"
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 DBSingleClientW-PT-d2m09, 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 r480-tall-171624189600591"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DBSingleClientW-PT-d2m09.tgz
mv DBSingleClientW-PT-d2m09 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 ;