Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r245-tall-174915598300081.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
Executing tool itstools
Input is Szymanski-PT-b02, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r245-tall-174915598300081
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.1M
-rw-r--r-- 1 mcc users 8.0K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 93K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.6K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 38K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 121K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.0K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 77K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:33 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:33 instance
-rw-r--r-- 1 mcc users 6 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 3.7M May 29 14:33 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 1749156435745

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityDeadlock
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Szymanski-PT-b02
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityDeadlock PT
Running Version 202505121319
[2025-06-05 20:47:16] [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]
[2025-06-05 20:47:16] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-05 20:47:17] [INFO ] Load time of PNML (sax parser for PT used): 324 ms
[2025-06-05 20:47:17] [INFO ] Transformed 568 places.
[2025-06-05 20:47:17] [INFO ] Transformed 8320 transitions.
[2025-06-05 20:47:17] [INFO ] Parsed PT model containing 568 places and 8320 transitions and 33408 arcs in 470 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 3 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 260 places in 19 ms
Reduce places removed 260 places and 256 transitions.
Built sparse matrix representations for Structural reductions in 12 ms.23885KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 308/308 places, 8064/8064 transitions.
Computed a total of 12 stabilizing places and 2432 stable transitions
Graph (complete) has 12652 edges and 308 vertex of which 306 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.59 ms
Discarding 2 places :
Also discarding 0 output transitions
Computed a total of 12 stabilizing places and 2432 stable transitions
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 2 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 305 transition count 7936
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Applied a total of 3 rules in 626 ms. Remains 305 /308 variables (removed 3) and now considering 7936/8064 (removed 128) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 636 ms. Remains : 305/308 places, 7936/8064 transitions.
Random walk for 1250000 steps, including 0 resets, run took 5444 ms (no deadlock found). (steps per millisecond=229 )
Random directed walk for 1250000 steps, including 0 resets, run took 5658 ms (no deadlock found). (steps per millisecond=220 )
[2025-06-05 20:47:29] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2025-06-05 20:47:29] [INFO ] Computed 1 invariants in 42 ms
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2025-06-05 20:47:30] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 9 ms returned sat
[2025-06-05 20:47:30] [INFO ] [Real]Absence check using state equation in 441 ms returned sat
[2025-06-05 20:47:30] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2025-06-05 20:47:31] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 6 ms returned sat
[2025-06-05 20:47:31] [INFO ] [Nat]Absence check using state equation in 527 ms returned sat
[2025-06-05 20:47:31] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-05 20:48:01] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-05 20:48:32] [INFO ] [Nat]Added 147 Read/Feed constraints in 60080 ms returned unknown
Random directed walk for 500000 steps, including 0 resets, run took 2142 ms (no deadlock found). (steps per millisecond=233 )
Random walk for 500001 steps, including 0 resets, run took 1467 ms (no deadlock found). (steps per millisecond=340 )
Random directed walk for 500001 steps, including 0 resets, run took 1904 ms (no deadlock found). (steps per millisecond=262 )
Random walk for 500000 steps, including 0 resets, run took 1399 ms (no deadlock found). (steps per millisecond=357 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Applied a total of 0 rules in 330 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2025-06-05 20:48:39] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-05 20:48:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 20:48:39] [INFO ] Implicit Places using invariants in 600 ms returned []
[2025-06-05 20:48:39] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-05 20:48:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 20:48:40] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-05 20:49:11] [INFO ] Performed 280/305 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2025-06-05 20:49:32] [INFO ] Implicit Places using invariants and state equation in 52773 ms returned []
Implicit Place search using SMT with State Equation took 53378 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 20:49:33] [INFO ] Redundant transitions in 1088 ms returned []
Running 7934 sub problems to find dead transitions.
[2025-06-05 20:49:33] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-05 20:49:33] [INFO ] Invariant cache hit.
[2025-06-05 20:49:33] [INFO ] State equation strengthened by 147 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30152 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 7934/7934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7934 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/305 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7934 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 305/3037 variables, and 1 constraints, problems are : Problem set: 0 solved, 7934 unsolved in 30099 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/305 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 0/7934 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 73576ms problems are : Problem set: 0 solved, 7934 unsolved
Search for dead transitions found 0 dead transitions in 73630ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 128493 ms. Remains : 305/305 places, 7936/7936 transitions.
Random walk for 1250000 steps, including 0 resets, run took 3625 ms (no deadlock found). (steps per millisecond=344 )
Random directed walk for 1250001 steps, including 0 resets, run took 4796 ms (no deadlock found). (steps per millisecond=260 )
[2025-06-05 20:50:55] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2025-06-05 20:50:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2025-06-05 20:50:56] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 5 ms returned sat
[2025-06-05 20:50:57] [INFO ] [Real]Absence check using state equation in 501 ms returned sat
[2025-06-05 20:50:57] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2025-06-05 20:50:57] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 5 ms returned sat
[2025-06-05 20:50:58] [INFO ] [Nat]Absence check using state equation in 530 ms returned sat
[2025-06-05 20:50:58] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-05 20:51:28] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-05 20:51:58] [INFO ] [Nat]Added 147 Read/Feed constraints in 60069 ms returned unknown
Random directed walk for 500000 steps, including 0 resets, run took 1890 ms (no deadlock found). (steps per millisecond=264 )
Random walk for 500000 steps, including 0 resets, run took 1321 ms (no deadlock found). (steps per millisecond=378 )
Random directed walk for 500001 steps, including 0 resets, run took 1848 ms (no deadlock found). (steps per millisecond=270 )
Random walk for 500001 steps, including 0 resets, run took 1348 ms (no deadlock found). (steps per millisecond=370 )
[2025-06-05 20:52:05] [INFO ] Flatten gal took : 539 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin9178493029377811842
[2025-06-05 20:52:06] [INFO ] Too many transitions (8064) to apply POR reductions. Disabling POR matrices.
[2025-06-05 20:52:06] [INFO ] Built C files in 293ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin9178493029377811842
Running compilation step : cd /tmp/ltsmin9178493029377811842;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '360' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
[2025-06-05 20:52:06] [INFO ] Applying decomposition
[2025-06-05 20:52:07] [INFO ] Flatten gal took : 535 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph4449166061946479827.txt' '-o' '/tmp/graph4449166061946479827.bin' '-w' '/tmp/graph4449166061946479827.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph4449166061946479827.bin' '-l' '-1' '-v' '-w' '/tmp/graph4449166061946479827.weights' '-q' '0' '-e' '0.001'
[2025-06-05 20:52:08] [INFO ] Decomposing Gal with order
[2025-06-05 20:52:08] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-05 20:52:09] [INFO ] Removed a total of 18217 redundant transitions.
[2025-06-05 20:52:10] [INFO ] Flatten gal took : 1626 ms
[2025-06-05 20:52:11] [INFO ] Fuse similar labels procedure discarded/fused a total of 1127 labels/synchronizations in 512 ms.
[2025-06-05 20:52:11] [INFO ] Time to serialize gal into /tmp/ReachabilityDeadlock17704993902659166995.gal : 99 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityDeadlock17704993902659166995.gal' '-t' 'CGAL' '-ctl' 'DEADLOCK'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...235
No direction supplied, using forward translation only.
Compilation finished in 36293 ms.
Running link step : cd /tmp/ltsmin9178493029377811842;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 123 ms.
Running LTSmin : cd /tmp/ltsmin9178493029377811842;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-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,277943,81.7071,1328932,2792,2931,1.17662e+06,1.00302e+06,8296,3.2965e+06,589,9.01883e+06,0


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,7125,85.392,1328932,306,244,1.17662e+06,1.00302e+06,29275,3.2965e+06,2464,9.01883e+06,460727

System contains 7125 deadlocks (shown below if less than --print-limit option) !
FORMULA ReachabilityDeadlock TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
[ 7125 states ] showing 10 first states
[ i9={[ u59={[ ]
} u58={[ ]
} u57={[ ]
} u39={[ ]
} u28={[ ]
} u17={[ ]
} u6={[ ]
} ]
} i5={[ u50={[ ]
} u49={[ ]
} ]
} u48={[ l14=2 ]
[ l13=1 l14=1 ]
[ l13=2 ]
[ l15=1 l14=1 ]
[ l15=1 l13=1 ]
[ l15=2 ]
} i8={[ i1={[ u56={[ ]
} u55={[ ]
} u37={[ ]
} u35={[ ]
} u27={[ ]
} u16={[ ]
} u5={[ ]
} ]
} i0={[ u42={[ ]
} u32={[ ]
} u21={[ ]
} u9={[ ]
} ]
} ]
} i6={[ u24={[ ]
} u60={[ l54=1 ]
} u52={[ p512=1 ]
} u51={[ ]
} u23={[ ]
} u13={[ ]
} u12={[ ]
} u2={[ ]
} u1={[ ]
} ]
} i4={[ u54={[ ]
} u47={[ ]
} u40={[ ]
} u30={[ ]
} u18={[ ]
} u7={[ ]
} ]
} i3={[ i1={[ u46={[ ]
} u41={[ ]
} u45={[ ]
} u44={[ ]
} u34={[ ]
} u29={[ ]
} u19={[ ]
} u8={[ ]
} ]
} i0={[ u33={[ ]
} u22={[ ]
} u11={[ ]
} u0={[ ]
} ]
} ]
} i1={[ u61={[ l47=1 ]
[ l49=1 ]
[ l48=1 ]
[ l50=1 ]
} u38={[ ]
} u26={[ ]
} u15={[ ]
} u4={[ ]
} ]
} i2={[ u43={[ ]
} u31={[ ]
} u20={[ ]
} u10={[ ]
} ]
} i0={[ u53={[ ]
} u36={[ ]
} u25={[ ]
} u14={[ ]
} u3={[ ]
} ]
} ]
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Total runtime 448239 ms.

BK_STOP 1749156885209

--------------------
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_1.0.0.202505121319.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /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="Szymanski-PT-b02"
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 2-5832"
echo " Executing tool itstools"
echo " Input is Szymanski-PT-b02, 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 r245-tall-174915598300081"
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 [ "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 ;