Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r104-tall-177955698800516.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-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 2-5973
Executing tool itstools
Input is DNAwalker-PT-14ringLRLarge, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r104-tall-177955698800516
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 624K
-rw-r--r-- 1 mcc users 7.1K Mar 6 15:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 78K Mar 6 15:58 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Mar 6 15:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K Mar 6 15:58 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 09:34 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Mar 15 09:34 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 15 09:34 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 09:34 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 6 15:58 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 142K Mar 6 15:58 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 6 15:58 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 86K Mar 6 15:58 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 09:34 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 09:34 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 14 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 135K Mar 3 18:30 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME ReachabilityDeadlock

=== Now, execution of the tool begins

BK_START 1779610438167

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityDeadlock
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DNAwalker-PT-14ringLRLarge
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityDeadlock PT
Running Version 202604301425
[2026-05-24 08:13:59] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-24 08:13:59] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 08:13:59] [INFO ] Load time of PNML (sax parser for PT used): 80 ms
[2026-05-24 08:13:59] [INFO ] Transformed 33 places.
[2026-05-24 08:13:59] [INFO ] Transformed 312 transitions.
[2026-05-24 08:13:59] [INFO ] Parsed PT model containing 33 places and 312 transitions and 916 arcs in 172 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 3 ms.
Working with output stream class java.io.PrintStream
Built sparse matrix representations for Structural reductions in 5 ms.14920KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 33/33 places, 312/312 transitions.
Computed a total of 33 stabilizing places and 310 stable transitions
Computed a total of 33 stabilizing places and 310 stable transitions
Computed a total of 33 stabilizing places and 310 stable transitions
Applied a total of 0 rules in 29 ms. Remains 33 /33 variables (removed 0) and now considering 312/312 (removed 0) transitions.
Running 282 sub problems to find dead transitions.
[2026-05-24 08:13:59] [INFO ] Flow matrix only has 311 transitions (discarded 1 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4268507296448019839.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4890052554255728233.kers'
[2026-05-24 08:13:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4268507296448019839.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4890052554255728233.kers]
Normalized transition count is 310 out of 311 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 310 rows 33 cols 614 entries
Finished phase 1 with 33 SingleSign rule and 0 generalized
[2026-05-24 08:13:59] [INFO ] Computed 0 invariants in 1 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-4890052554255728233.kers
Total runtime 2 ms.
[2026-05-24 08:13:59] [INFO ] State equation strengthened by 71 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 282 unsolved
At refinement iteration 1 (OVERLAPS) 304/331 variables, 27/27 constraints. Problems are: Problem set: 0 solved, 282 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/331 variables, 70/97 constraints. Problems are: Problem set: 0 solved, 282 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/331 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 282 unsolved
At refinement iteration 4 (OVERLAPS) 12/343 variables, 6/103 constraints. Problems are: Problem set: 0 solved, 282 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/343 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 282 unsolved
At refinement iteration 6 (OVERLAPS) 1/344 variables, 1/104 constraints. Problems are: Problem set: 0 solved, 282 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 344/344 variables, and 104 constraints, problems are : Problem set: 0 solved, 282 unsolved in 20049 ms.
Refiners :[State Equation: 33/33 constraints, ReadFeed: 71/71 constraints, PredecessorRefiner: 282/282 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 282 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 282 unsolved
At refinement iteration 1 (OVERLAPS) 304/331 variables, 27/27 constraints. Problems are: Problem set: 0 solved, 282 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/331 variables, 70/97 constraints. Problems are: Problem set: 0 solved, 282 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/331 variables, 282/379 constraints. Problems are: Problem set: 0 solved, 282 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/331 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 282 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 343/344 variables, and 385 constraints, problems are : Problem set: 0 solved, 282 unsolved in 20021 ms.
Refiners :[State Equation: 33/33 constraints, ReadFeed: 70/71 constraints, PredecessorRefiner: 282/282 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40358ms problems are : Problem set: 0 solved, 282 unsolved
Search for dead transitions found 0 dead transitions in 40378ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 40467 ms. Remains : 33/33 places, 312/312 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 33/33 places, 312/312 transitions.
Computed a total of 33 stabilizing places and 310 stable transitions
Computed a total of 33 stabilizing places and 310 stable transitions
Computed a total of 33 stabilizing places and 310 stable transitions
Applied a total of 0 rules in 10 ms. Remains 33 /33 variables (removed 0) and now considering 312/312 (removed 0) transitions.
[2026-05-24 08:14:40] [INFO ] Flow matrix only has 311 transitions (discarded 1 similar events)
[2026-05-24 08:14:40] [INFO ] Invariant cache hit.
[2026-05-24 08:14:40] [INFO ] Implicit Places using invariants in 47 ms returned []
[2026-05-24 08:14:40] [INFO ] Flow matrix only has 311 transitions (discarded 1 similar events)
[2026-05-24 08:14:40] [INFO ] Invariant cache hit.
[2026-05-24 08:14:40] [INFO ] State equation strengthened by 71 read => feed constraints.
[2026-05-24 08:14:40] [INFO ] Implicit Places using invariants and state equation in 445 ms returned []
Implicit Place search using SMT with State Equation took 497 ms to find 0 implicit places.
[2026-05-24 08:14:40] [INFO ] Redundant transitions in 21 ms returned []
Skipped dead transition search.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 540 ms. Remains : 33/33 places, 312/312 transitions.
Random walk for 1250000 steps, including 96803 resets, run took 5646 ms (no deadlock found). (steps per millisecond=221 )
Random directed walk for 1250012 steps, including 21812 resets, run took 4171 ms (no deadlock found). (steps per millisecond=299 )
[2026-05-24 08:14:50] [INFO ] Flow matrix only has 311 transitions (discarded 1 similar events)
[2026-05-24 08:14:50] [INFO ] Invariant cache hit.
[2026-05-24 08:14:50] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2026-05-24 08:14:50] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 08:15:20] [INFO ] [Nat]Absence check using state equation in 30041 ms returned unknown
Random directed walk for 500016 steps, including 8726 resets, run took 1670 ms (no deadlock found). (steps per millisecond=299 )
Random walk for 500000 steps, including 38740 resets, run took 2185 ms (no deadlock found). (steps per millisecond=228 )
Random directed walk for 500000 steps, including 8709 resets, run took 1653 ms (no deadlock found). (steps per millisecond=302 )
Random walk for 500000 steps, including 38586 resets, run took 2174 ms (no deadlock found). (steps per millisecond=229 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 33/33 places, 312/312 transitions.
Computed a total of 33 stabilizing places and 310 stable transitions
Computed a total of 33 stabilizing places and 310 stable transitions
Computed a total of 33 stabilizing places and 310 stable transitions
Applied a total of 0 rules in 9 ms. Remains 33 /33 variables (removed 0) and now considering 312/312 (removed 0) transitions.
[2026-05-24 08:15:28] [INFO ] Flow matrix only has 311 transitions (discarded 1 similar events)
[2026-05-24 08:15:28] [INFO ] Invariant cache hit.
[2026-05-24 08:15:28] [INFO ] Implicit Places using invariants in 38 ms returned []
[2026-05-24 08:15:28] [INFO ] Flow matrix only has 311 transitions (discarded 1 similar events)
[2026-05-24 08:15:28] [INFO ] Invariant cache hit.
[2026-05-24 08:15:28] [INFO ] State equation strengthened by 71 read => feed constraints.
[2026-05-24 08:15:28] [INFO ] Implicit Places using invariants and state equation in 443 ms returned []
Implicit Place search using SMT with State Equation took 487 ms to find 0 implicit places.
[2026-05-24 08:15:28] [INFO ] Redundant transitions in 5 ms returned []
Skipped dead transition search.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 513 ms. Remains : 33/33 places, 312/312 transitions.
Random walk for 1250000 steps, including 96685 resets, run took 5459 ms (no deadlock found). (steps per millisecond=228 )
Random directed walk for 1250003 steps, including 21821 resets, run took 4123 ms (no deadlock found). (steps per millisecond=303 )
[2026-05-24 08:15:38] [INFO ] Flow matrix only has 311 transitions (discarded 1 similar events)
[2026-05-24 08:15:38] [INFO ] Invariant cache hit.
[2026-05-24 08:15:38] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2026-05-24 08:15:38] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 08:16:08] [INFO ] [Nat]Absence check using state equation in 30043 ms returned unknown
Random directed walk for 500005 steps, including 8717 resets, run took 1684 ms (no deadlock found). (steps per millisecond=296 )
Random walk for 500000 steps, including 38686 resets, run took 2184 ms (no deadlock found). (steps per millisecond=228 )
Random directed walk for 500008 steps, including 8727 resets, run took 1644 ms (no deadlock found). (steps per millisecond=304 )
Random walk for 500000 steps, including 38622 resets, run took 2160 ms (no deadlock found). (steps per millisecond=231 )
[2026-05-24 08:16:16] [INFO ] Flatten gal took : 45 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin18272839482246263132
[2026-05-24 08:16:16] [INFO ] Applying decomposition
[2026-05-24 08:16:16] [INFO ] Computing symmetric may disable matrix : 312 transitions.
[2026-05-24 08:16:16] [INFO ] Flatten gal took : 15 ms
[2026-05-24 08:16:16] [INFO ] Computation of Complete disable matrix. took 4 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 08:16:16] [INFO ] Computing symmetric may enable matrix : 312 transitions.
[2026-05-24 08:16:16] [INFO ] Computation of Complete enable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 08:16:16] [INFO ] Computing Do-Not-Accords matrix : 312 transitions.
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph9474913021427068018.txt' '-o' '/tmp/graph9474913021427068018.bin' '-w' '/tmp/graph9474913021427068018.weights'
[2026-05-24 08:16:16] [INFO ] Computation of Completed DNA matrix. took 9 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 08:16:16] [INFO ] Built C files in 127ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin18272839482246263132
Running compilation step : cd /tmp/ltsmin18272839482246263132;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '360' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph9474913021427068018.bin' '-l' '-1' '-v' '-w' '/tmp/graph9474913021427068018.weights' '-q' '0' '-e' '0.001'
[2026-05-24 08:16:16] [INFO ] Decomposing Gal with order
[2026-05-24 08:16:16] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 08:16:16] [INFO ] Removed a total of 544 redundant transitions.
[2026-05-24 08:16:16] [INFO ] Flatten gal took : 88 ms
[2026-05-24 08:16:16] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 7 ms.
[2026-05-24 08:16:16] [INFO ] Time to serialize gal into /tmp/ReachabilityDeadlock12558424781179180075.gal : 8 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityDeadlock12558424781179180075.gal' '-t' 'CGAL' '-ctl' 'DEADLOCK'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...235
No direction supplied, using forward translation only.
Compilation finished in 709 ms.
Running link step : cd /tmp/ltsmin18272839482246263132;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 45 ms.
Running LTSmin : cd /tmp/ltsmin18272839482246263132;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '-d'
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,1.86088e+09,5.25117,197144,9094,9,361932,203,379,696059,14,193,0


Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
dead,0,6.44317,197168,1,0,361932,203,1378,696059,51,215,297730

System contains 0 deadlocks (shown below if less than --print-limit option) !
FORMULA ReachabilityDeadlock FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
[ 0 ]
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 143971 ms.

BK_STOP 1779610583439

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityDeadlock = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityDeadlock -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityDeadlock -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="DNAwalker-PT-14ringLRLarge"
export BK_EXAMINATION="ReachabilityDeadlock"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 2-5973"
echo " Executing tool itstools"
echo " Input is DNAwalker-PT-14ringLRLarge, examination is ReachabilityDeadlock"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r104-tall-177955698800516"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DNAwalker-PT-14ringLRLarge.tgz
mv DNAwalker-PT-14ringLRLarge execution
cd execution
if [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "UpperBounds" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] || [ "ReachabilityDeadlock" = "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 [ "ReachabilityDeadlock" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityDeadlock" != "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 "ReachabilityDeadlock.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 '' ReachabilityDeadlock.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityDeadlock"
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 ;