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.r491-tall-167912710500455.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)
......................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool smartxred
Input is Szymanski-PT-b02, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r491-tall-167912710500455
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.1M
-rw-r--r-- 1 mcc users 7.6K Feb 26 16:50 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K Feb 26 16:50 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Feb 26 16:49 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K Feb 26 16:49 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Feb 25 17:19 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 17:19 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 17:19 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 17:19 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Feb 26 16:53 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 153K Feb 26 16:53 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.0K Feb 26 16:51 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 57K Feb 26 16:51 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 17:19 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 17:19 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 3.7M Mar 5 18:23 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 Szymanski-PT-b02-ReachabilityFireability-00
FORMULA_NAME Szymanski-PT-b02-ReachabilityFireability-01
FORMULA_NAME Szymanski-PT-b02-ReachabilityFireability-02
FORMULA_NAME Szymanski-PT-b02-ReachabilityFireability-03
FORMULA_NAME Szymanski-PT-b02-ReachabilityFireability-04
FORMULA_NAME Szymanski-PT-b02-ReachabilityFireability-05
FORMULA_NAME Szymanski-PT-b02-ReachabilityFireability-06
FORMULA_NAME Szymanski-PT-b02-ReachabilityFireability-07
FORMULA_NAME Szymanski-PT-b02-ReachabilityFireability-08
FORMULA_NAME Szymanski-PT-b02-ReachabilityFireability-09
FORMULA_NAME Szymanski-PT-b02-ReachabilityFireability-10
FORMULA_NAME Szymanski-PT-b02-ReachabilityFireability-11
FORMULA_NAME Szymanski-PT-b02-ReachabilityFireability-12
FORMULA_NAME Szymanski-PT-b02-ReachabilityFireability-13
FORMULA_NAME Szymanski-PT-b02-ReachabilityFireability-14
FORMULA_NAME Szymanski-PT-b02-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1679254779987

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=Szymanski-PT-b02
Applying reductions before tool smart
Invoking reducer
Running Version 202303021504
[2023-03-19 19:39:41] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2023-03-19 19:39:41] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-19 19:39:41] [INFO ] Load time of PNML (sax parser for PT used): 298 ms
[2023-03-19 19:39:41] [INFO ] Transformed 568 places.
[2023-03-19 19:39:42] [INFO ] Transformed 8320 transitions.
[2023-03-19 19:39:42] [INFO ] Parsed PT model containing 568 places and 8320 transitions and 33408 arcs in 471 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 12 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 260 places in 17 ms
Reduce places removed 260 places and 256 transitions.
FORMULA Szymanski-PT-b02-ReachabilityFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10001 steps, including 2 resets, run finished after 470 ms. (steps per millisecond=21 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=90 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15) seen :0
Interrupted probabilistic random walk after 120950 steps, run timeout after 3001 ms. (steps per millisecond=40 ) properties seen :{4=1, 10=1}
Probabilistic random walk after 120950 steps, saw 43161 distinct states, run finished after 3002 ms. (steps per millisecond=40 ) properties seen :2
FORMULA Szymanski-PT-b02-ReachabilityFireability-10 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA Szymanski-PT-b02-ReachabilityFireability-04 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
Running SMT prover for 13 properties.
[2023-03-19 19:39:45] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
// Phase 1: matrix 2733 rows 308 cols
[2023-03-19 19:39:45] [INFO ] Computed 3 place invariants in 40 ms
[2023-03-19 19:39:46] [INFO ] [Real]Absence check using 2 positive place invariants in 7 ms returned sat
[2023-03-19 19:39:46] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 19:39:46] [INFO ] After 329ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0 real:12
[2023-03-19 19:39:46] [INFO ] [Nat]Absence check using 2 positive place invariants in 4 ms returned sat
[2023-03-19 19:39:46] [INFO ] [Nat]Absence check using 2 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-19 19:39:54] [INFO ] After 7514ms SMT Verify possible using state equation in natural domain returned unsat :2 sat :11
[2023-03-19 19:39:54] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:40:11] [INFO ] After 17264ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :2 sat :9
[2023-03-19 19:40:11] [INFO ] After 17266ms SMT Verify possible using trap constraints in natural domain returned unsat :2 sat :9
Attempting to minimize the solution found.
Minimization took 1 ms.
[2023-03-19 19:40:11] [INFO ] After 25019ms SMT Verify possible using all constraints in natural domain returned unsat :2 sat :9
FORMULA Szymanski-PT-b02-ReachabilityFireability-05 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA Szymanski-PT-b02-ReachabilityFireability-00 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 13 Parikh solutions to 11 different solutions.
Parikh walk visited 0 properties in 92 ms.
Support contains 107 out of 308 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 308/308 places, 8064/8064 transitions.
Graph (complete) has 9195 edges and 308 vertex of which 306 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.18 ms
Discarding 2 places :
Also discarding 0 output transitions
Drop transitions removed 32 transitions
Reduce isomorphic transitions removed 32 transitions.
Iterating post reduction 0 with 32 rules applied. Total rules applied 33 place count 306 transition count 8032
Applied a total of 33 rules in 411 ms. Remains 306 /308 variables (removed 2) and now considering 8032/8064 (removed 32) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 415 ms. Remains : 306/308 places, 8032/8064 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 248 ms. (steps per millisecond=40 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 76 ms. (steps per millisecond=131 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 61 ms. (steps per millisecond=163 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 68 ms. (steps per millisecond=147 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 55 ms. (steps per millisecond=181 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 52 ms. (steps per millisecond=192 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 58 ms. (steps per millisecond=172 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 60 ms. (steps per millisecond=166 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 59 ms. (steps per millisecond=169 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 60 ms. (steps per millisecond=166 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 54 ms. (steps per millisecond=185 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 48 ms. (steps per millisecond=208 ) properties (out of 11) seen :0
Interrupted probabilistic random walk after 125992 steps, run timeout after 3001 ms. (steps per millisecond=41 ) properties seen :{}
Probabilistic random walk after 125992 steps, saw 45572 distinct states, run finished after 3003 ms. (steps per millisecond=41 ) properties seen :0
Running SMT prover for 11 properties.
[2023-03-19 19:40:16] [INFO ] Flow matrix only has 2701 transitions (discarded 5331 similar events)
// Phase 1: matrix 2701 rows 306 cols
[2023-03-19 19:40:16] [INFO ] Computed 1 place invariants in 30 ms
[2023-03-19 19:40:16] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 19:40:16] [INFO ] After 162ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:11
[2023-03-19 19:40:16] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 19:40:26] [INFO ] After 9849ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :11
[2023-03-19 19:40:26] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:40:41] [INFO ] After 15003ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :10
[2023-03-19 19:40:41] [INFO ] After 15005ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :10
Attempting to minimize the solution found.
Minimization took 2 ms.
[2023-03-19 19:40:41] [INFO ] After 25021ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :10
Parikh walk visited 0 properties in 68 ms.
Support contains 107 out of 306 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 306/306 places, 8032/8032 transitions.
Applied a total of 0 rules in 196 ms. Remains 306 /306 variables (removed 0) and now considering 8032/8032 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 196 ms. Remains : 306/306 places, 8032/8032 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 306/306 places, 8032/8032 transitions.
Applied a total of 0 rules in 259 ms. Remains 306 /306 variables (removed 0) and now considering 8032/8032 (removed 0) transitions.
[2023-03-19 19:40:42] [INFO ] Flow matrix only has 2701 transitions (discarded 5331 similar events)
[2023-03-19 19:40:42] [INFO ] Invariant cache hit.
[2023-03-19 19:40:42] [INFO ] Implicit Places using invariants in 252 ms returned []
[2023-03-19 19:40:42] [INFO ] Flow matrix only has 2701 transitions (discarded 5331 similar events)
[2023-03-19 19:40:42] [INFO ] Invariant cache hit.
[2023-03-19 19:40:42] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 19:40:46] [INFO ] Implicit Places using invariants and state equation in 3834 ms returned []
Implicit Place search using SMT with State Equation took 4089 ms to find 0 implicit places.
[2023-03-19 19:40:47] [INFO ] Redundant transitions in 928 ms returned []
[2023-03-19 19:40:47] [INFO ] Flow matrix only has 2701 transitions (discarded 5331 similar events)
[2023-03-19 19:40:47] [INFO ] Invariant cache hit.
[2023-03-19 19:40:49] [INFO ] Dead Transitions using invariants and state equation in 2270 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7561 ms. Remains : 306/306 places, 8032/8032 transitions.
Ensure Unique test removed 5331 transitions
Reduce isomorphic transitions removed 5331 transitions.
Iterating post reduction 0 with 5331 rules applied. Total rules applied 5331 place count 306 transition count 2701
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 1 with 2 rules applied. Total rules applied 5333 place count 306 transition count 2699
Applied a total of 5333 rules in 113 ms. Remains 306 /306 variables (removed 0) and now considering 2699/8032 (removed 5333) transitions.
Running SMT prover for 11 properties.
// Phase 1: matrix 2699 rows 306 cols
[2023-03-19 19:40:49] [INFO ] Computed 1 place invariants in 21 ms
[2023-03-19 19:40:49] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 19:40:49] [INFO ] After 130ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:11
[2023-03-19 19:40:49] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 19:41:01] [INFO ] After 11559ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :11
[2023-03-19 19:41:08] [INFO ] After 18554ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :11
Attempting to minimize the solution found.
Minimization took 7420 ms.
[2023-03-19 19:41:15] [INFO ] After 26131ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :11
[2023-03-19 19:41:15] [INFO ] Export to MCC of 11 properties in file /home/mcc/execution/ReachabilityFireability.sr.xml took 4 ms.
[2023-03-19 19:41:15] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 306 places, 8032 transitions and 32064 arcs took 32 ms.
[2023-03-19 19:41:16] [INFO ] Flatten gal took : 444 ms
Total runtime 94991 ms.
There are residual formulas that ITS could not solve within timeout
======================================================
========== this is Smart for the MCC'2018 ============
======================================================
Running Szymanski (PT), instance b02
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: 306 places, 8032 transitions, 32064 arcs.
Final Score: 99411.714
Took : 127 seconds
Reachability Fireability file is: ReachabilityFireability.xml
READY TO PARSE. BS

BK_STOP 1679255005368

--------------------
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 40410:
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="Szymanski-PT-b02"
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 Szymanski-PT-b02, 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 r491-tall-167912710500455"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Szymanski-PT-b02.tgz
mv Szymanski-PT-b02 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 ;