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.r064-smll-177946904400292.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 gold2025
Input is CloudDeployment-PT-4a, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r064-smll-177946904400292
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 544K
-rw-r--r-- 1 mcc users 7.5K Mar 6 11:03 CTLCardinality.txt
-rw-r--r-- 1 mcc users 84K Mar 6 11:03 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Mar 6 11:02 CTLFireability.txt
-rw-r--r-- 1 mcc users 60K Mar 6 11:02 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.0K Mar 15 08:14 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 15 08:14 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 08:14 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 08:14 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.5K Mar 6 11:04 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 72K Mar 6 11:04 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.4K Mar 6 11:04 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 49K Mar 6 11:04 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 08:14 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 08:14 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 156K 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 QuasiLiveness

=== Now, execution of the tool begins

BK_START 1779485139840

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CloudDeployment-PT-4a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-05-22 21:25:42] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-22 21:25:42] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 21:25:42] [INFO ] Load time of PNML (sax parser for PT used): 217 ms
[2026-05-22 21:25:42] [INFO ] Transformed 141 places.
[2026-05-22 21:25:42] [INFO ] Transformed 475 transitions.
[2026-05-22 21:25:42] [INFO ] Found NUPN structural information;
[2026-05-22 21:25:42] [INFO ] Parsed PT model containing 141 places and 475 transitions and 2657 arcs in 429 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 141/141 places, 475/475 transitions.
Graph (trivial) has 177 edges and 141 vertex of which 40 / 141 are part of one of the 12 SCC in 4 ms
Free SCC test removed 28 places
Ensure Unique test removed 124 transitions
Reduce isomorphic transitions removed 124 transitions.
Ensure Unique test removed 8 places
Iterating post reduction 0 with 8 rules applied. Total rules applied 9 place count 105 transition count 351
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: -28
Deduced a syphon composed of 12 places in 2 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 1 with 24 rules applied. Total rules applied 33 place count 93 transition count 379
Applied a total of 33 rules in 82 ms. Remains 93 /141 variables (removed 48) and now considering 379/475 (removed 96) transitions.
[2026-05-22 21:25:42] [INFO ] Flow matrix only has 178 transitions (discarded 201 similar events)
// Phase 1: matrix 178 rows 93 cols
[2026-05-22 21:25:42] [INFO ] Computed 16 invariants in 18 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:25:43] [INFO ] Implicit Places using invariants in 486 ms returned []
[2026-05-22 21:25:43] [INFO ] Flow matrix only has 178 transitions (discarded 201 similar events)
[2026-05-22 21:25:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:25:43] [INFO ] State equation strengthened by 102 read => feed constraints.
[2026-05-22 21:25:43] [INFO ] Implicit Places using invariants and state equation in 686 ms returned []
Implicit Place search using SMT with State Equation took 1229 ms to find 0 implicit places.
Running 378 sub problems to find dead transitions.
[2026-05-22 21:25:44] [INFO ] Flow matrix only has 178 transitions (discarded 201 similar events)
[2026-05-22 21:25:44] [INFO ] Invariant cache hit.
[2026-05-22 21:25:44] [INFO ] State equation strengthened by 102 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 92/92 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 16/108 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/92 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 3 (OVERLAPS) 177/269 variables, 92/200 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/269 variables, 101/301 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/269 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 6 (OVERLAPS) 1/270 variables, 1/302 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/270 variables, 1/303 constraints. Problems are: Problem set: 0 solved, 378 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 270/271 variables, and 303 constraints, problems are : Problem set: 0 solved, 378 unsolved in 30046 ms.
Refiners :[Domain max(s): 93/93 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 93/93 constraints, ReadFeed: 101/102 constraints, PredecessorRefiner: 378/378 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 378 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 92/92 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 16/108 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/92 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 3 (OVERLAPS) 177/269 variables, 92/200 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/269 variables, 101/301 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/269 variables, 378/679 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/269 variables, 0/679 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 7 (OVERLAPS) 1/270 variables, 1/680 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/270 variables, 1/681 constraints. Problems are: Problem set: 0 solved, 378 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 270/271 variables, and 681 constraints, problems are : Problem set: 0 solved, 378 unsolved in 30025 ms.
Refiners :[Domain max(s): 93/93 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 93/93 constraints, ReadFeed: 101/102 constraints, PredecessorRefiner: 378/378 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60656ms problems are : Problem set: 0 solved, 378 unsolved
Search for dead transitions found 0 dead transitions in 60694ms
Starting structural reductions in LIVENESS mode, iteration 1 : 93/141 places, 379/475 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 62054 ms. Remains : 93/141 places, 379/475 transitions.
Discarding 283 transitions out of 379. Remains 96
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (1192 resets) in 2565 ms. (15 steps per ms) remains 12/95 properties
BEST_FIRST walk for 40003 steps (236 resets) in 436 ms. (91 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (148 resets) in 391 ms. (102 steps per ms) remains 11/12 properties
BEST_FIRST walk for 40002 steps (121 resets) in 99 ms. (400 steps per ms) remains 1/11 properties
[2026-05-22 21:26:45] [INFO ] Flow matrix only has 178 transitions (discarded 201 similar events)
[2026-05-22 21:26:45] [INFO ] Invariant cache hit.
[2026-05-22 21:26:45] [INFO ] State equation strengthened by 102 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/5 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 54/59 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/59 variables, 54/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/59 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 33/92 variables, 12/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/92 variables, 33/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/92 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2026-05-22 21:26:46] [INFO ] Flatten gal took : 200 ms
At refinement iteration 8 (OVERLAPS) 177/269 variables, 92/200 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/269 variables, 101/301 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/269 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2026-05-22 21:26:46] [INFO ] Flatten gal took : 95 ms
At refinement iteration 11 (OVERLAPS) 1/270 variables, 1/302 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/270 variables, 1/303 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/270 variables, 0/303 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 1/271 variables, 1/304 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/271 variables, 0/304 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2026-05-22 21:26:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7433339457923559919.gal : 85 ms
At refinement iteration 16 (OVERLAPS) 0/271 variables, 0/304 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 271/271 variables, and 304 constraints, problems are : Problem set: 0 solved, 1 unsolved in 378 ms.
Refiners :[Domain max(s): 93/93 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 93/93 constraints, ReadFeed: 102/102 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/5 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 54/59 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/59 variables, 54/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/59 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2026-05-22 21:26:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14424079873646174883.prop : 2 ms
At refinement iteration 5 (OVERLAPS) 33/92 variables, 12/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality7433339457923559919.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14424079873646174883.prop' '--nowitness' '--gen-order' 'FOLLOW'

At refinement iteration 6 (INCLUDED_ONLY) 0/92 variables, 33/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/92 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 1 unsolved
its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
At refinement iteration 8 (OVERLAPS) 177/269 variables, 92/200 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Loading property file /tmp/ReachabilityCardinality14424079873646174883.prop.
At refinement iteration 9 (INCLUDED_ONLY) 0/269 variables, 101/301 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/269 variables, 1/302 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 11
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :11 after 17
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :17 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 25
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :25 after 198
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :198 after 240
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :240 after 5498
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :5498 after 72743
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,860473,0.272466,7724,2,712,13,9109,7,0,727,7472,0
Total reachable state count : 860473

Verifying 1 reachability properties.
Reachability property qltransition_55 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_55,1,0.275146,7852,2,94,13,9109,7,0,736,7472,0
After SMT solving in domain Int declared 269/271 variables, and 302 constraints, problems are : Problem set: 1 solved, 0 unsolved in 466 ms.
Refiners :[Domain max(s): 92/93 constraints, Generalized P Invariants (flows): 16/16 constraints, State Equation: 92/93 constraints, ReadFeed: 101/102 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 858ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Able to resolve query QuasiLiveness after proving 96 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK DECISION_DIAGRAMS COLLATERAL_PROCESSING BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 64634 ms.

BK_STOP 1779485206874

--------------------
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
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -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//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -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="CloudDeployment-PT-4a"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="gold2025"
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 gold2025"
echo " Input is CloudDeployment-PT-4a, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r064-smll-177946904400292"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudDeployment-PT-4a.tgz
mv CloudDeployment-PT-4a execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;