About the Execution of ITS-Tools for BlocksWorld-PT-09
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 759.779 | 95717.00 | 109377.00 | 498.40 | 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 | normal |
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.r018-smll-177946788100357.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)
........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is BlocksWorld-PT-09, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r018-smll-177946788100357
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.7M
-rw-r--r-- 1 mcc users 7.9K Mar 5 16:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 70K Mar 5 16:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Mar 5 16:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K Mar 5 16:54 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 15 07:27 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 07:27 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Mar 15 07:28 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 07:28 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 5 16:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 109K Mar 5 16:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Mar 5 16:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 42K Mar 5 16:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 07:28 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 07:28 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 2.3M 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 positive values
NUM_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME BlocksWorld-PT-09-UpperBounds-00
FORMULA_NAME BlocksWorld-PT-09-UpperBounds-01
FORMULA_NAME BlocksWorld-PT-09-UpperBounds-02
FORMULA_NAME BlocksWorld-PT-09-UpperBounds-03
FORMULA_NAME BlocksWorld-PT-09-UpperBounds-04
FORMULA_NAME BlocksWorld-PT-09-UpperBounds-05
FORMULA_NAME BlocksWorld-PT-09-UpperBounds-06
FORMULA_NAME BlocksWorld-PT-09-UpperBounds-07
FORMULA_NAME BlocksWorld-PT-09-UpperBounds-08
FORMULA_NAME BlocksWorld-PT-09-UpperBounds-09
FORMULA_NAME BlocksWorld-PT-09-UpperBounds-10
FORMULA_NAME BlocksWorld-PT-09-UpperBounds-11
FORMULA_NAME BlocksWorld-PT-09-UpperBounds-12
FORMULA_NAME BlocksWorld-PT-09-UpperBounds-13
FORMULA_NAME BlocksWorld-PT-09-UpperBounds-14
FORMULA_NAME BlocksWorld-PT-09-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1779634245061
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BlocksWorld-PT-09
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-24 14:50:46] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-24 14:50:46] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 14:50:47] [INFO ] Load time of PNML (sax parser for PT used): 471 ms
[2026-05-24 14:50:47] [INFO ] Transformed 2449 places.
[2026-05-24 14:50:47] [INFO ] Transformed 4705 transitions.
[2026-05-24 14:50:47] [INFO ] Found NUPN structural information;
[2026-05-24 14:50:47] [INFO ] Completing missing partition info from NUPN : creating a component with [pred_on_table_0, pred_arm_empty_0, pred_on_table_1, pred_on_table_2, pred_on_table_3, pred_on_table_4, pred_on_table_5, pred_on_table_6, pred_on_table_7, pred_on_table_8, pred_on_table_9, pred_on_table_10, pred_on_table_11, pred_on_table_12, pred_on_table_13, pred_on_table_14, pred_on_table_15, pred_on_table_16, pred_on_table_17, pred_on_table_18, pred_on_table_19, pred_on_table_20, pred_on_table_21, pred_on_table_22, pred_on_table_23, pred_on_table_24, pred_on_table_25, pred_on_table_26, pred_on_table_27, pred_on_table_28, pred_on_table_29, pred_on_table_30, pred_on_table_31, pred_on_table_32, pred_on_table_33, pred_on_table_34, pred_on_table_35, pred_on_table_36, pred_on_table_37, pred_on_table_38, pred_on_table_39, pred_on_table_40, pred_on_table_41, pred_on_table_42, pred_on_table_43, pred_on_table_44, pred_on_table_45, pred_on_table_46, pred_on_table_47]
[2026-05-24 14:50:47] [INFO ] Parsed PT model containing 2449 places and 4705 transitions and 23506 arcs in 673 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 11 ms.
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7536711051927432579.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15070002245553309197.kers'
[2026-05-24 14:50:47] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7536711051927432579.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15070002245553309197.kers]
Normalized transition count is 4704 out of 4705 initially.
Culled 0 columns in 4 ms.
// Phase 1: matrix 4704 rows 2449 cols 23232 entries
Finished phase 1 with 2352 SingleSign rule and 0 generalized
[2026-05-24 14:50:47] [INFO ] Computed 97 invariants in 29 ms
Computed 97 P flows in 31 ms.
Exported basis to /tmp/petrispot-output-15070002245553309197.kers
Total runtime 38 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
FORMULA BlocksWorld-PT-09-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 10000 steps (2 resets) in 1160 ms. (8 steps per ms)
FORMULA BlocksWorld-PT-09-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BlocksWorld-PT-09-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BlocksWorld-PT-09-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BlocksWorld-PT-09-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BlocksWorld-PT-09-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BlocksWorld-PT-09-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BlocksWorld-PT-09-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BlocksWorld-PT-09-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BlocksWorld-PT-09-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BlocksWorld-PT-09-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BlocksWorld-PT-09-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BlocksWorld-PT-09-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 30003 steps (6 resets) in 318 ms. (94 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
[2026-05-24 14:50:49] [INFO ] Invariant cache hit.
[2026-05-24 14:50:50] [INFO ] [Real]Absence check using 97 positive place invariants in 129 ms returned sat
[2026-05-24 14:50:53] [INFO ] [Real]Absence check using state equation in 3597 ms returned sat
[2026-05-24 14:50:54] [INFO ] State equation strengthened by 91 read => feed constraints.
[2026-05-24 14:50:54] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-24 14:50:54] [INFO ] [Real]Added 91 Read/Feed constraints in 187 ms returned unknown
[2026-05-24 14:50:55] [INFO ] [Real]Absence check using 97 positive place invariants in 104 ms returned sat
[2026-05-24 14:50:59] [INFO ] [Real]Absence check using state equation in 3933 ms returned sat
[2026-05-24 14:50:59] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-24 14:50:59] [INFO ] [Real]Added 91 Read/Feed constraints in 199 ms returned unknown
[2026-05-24 14:51:00] [INFO ] [Real]Absence check using 97 positive place invariants in 96 ms returned sat
[2026-05-24 14:51:03] [INFO ] [Real]Absence check using state equation in 3189 ms returned sat
[2026-05-24 14:51:03] [INFO ] [Real]Added 91 Read/Feed constraints in 293 ms returned sat
[2026-05-24 14:51:03] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 14:51:04] [INFO ] [Nat]Absence check using 97 positive place invariants in 139 ms returned sat
[2026-05-24 14:51:07] [INFO ] [Nat]Absence check using state equation in 3016 ms returned sat
[2026-05-24 14:51:08] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-24 14:51:08] [INFO ] [Nat]Added 91 Read/Feed constraints in 725 ms returned sat
[2026-05-24 14:51:08] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")... while checking expression at index 2
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:960)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:881)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2280)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:207)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:803)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
Support contains 3 out of 2449 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2449/2449 places, 4705/4705 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 2449 transition count 4704
Applied a total of 1 rules in 26413 ms. Remains 2449 /2449 variables (removed 0) and now considering 4704/4705 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26428 ms. Remains : 2449/2449 places, 4704/4705 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11601065932205920462.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11885283981650027780.kers'
[2026-05-24 14:51:36] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11601065932205920462.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11885283981650027780.kers]
Culled 0 columns in 7 ms.
// Phase 1: matrix 4704 rows 2449 cols 23232 entries
Finished phase 1 with 2352 SingleSign rule and 0 generalized
[2026-05-24 14:51:36] [INFO ] Computed 97 invariants in 36 ms
Computed 97 P flows in 38 ms.
Exported basis to /tmp/petrispot-output-11885283981650027780.kers
Total runtime 44 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
RANDOM walk for 424856 steps (1 resets) in 30001 ms. (14 steps per ms)
FORMULA BlocksWorld-PT-09-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA BlocksWorld-PT-09-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 564351 steps (1 resets) in 5001 ms. (112 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 14:52:11] [INFO ] Invariant cache hit.
[2026-05-24 14:52:11] [INFO ] [Real]Absence check using 97 positive place invariants in 101 ms returned sat
[2026-05-24 14:52:15] [INFO ] [Real]Absence check using state equation in 3414 ms returned sat
[2026-05-24 14:52:15] [INFO ] State equation strengthened by 90 read => feed constraints.
[2026-05-24 14:52:15] [INFO ] [Real]Added 90 Read/Feed constraints in 450 ms returned sat
[2026-05-24 14:52:15] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 14:52:16] [INFO ] [Nat]Absence check using 97 positive place invariants in 99 ms returned sat
[2026-05-24 14:52:19] [INFO ] [Nat]Absence check using state equation in 3328 ms returned sat
[2026-05-24 14:52:20] [INFO ] [Nat]Added 90 Read/Feed constraints in 465 ms returned sat
[2026-05-24 14:52:20] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 299 ms
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[0]
FORMULA BlocksWorld-PT-09-UpperBounds-02 0 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 93969 ms.
BK_STOP 1779634340778
--------------------
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
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ 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_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
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="BlocksWorld-PT-09"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="itstools"
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 2-5973"
echo " Executing tool itstools"
echo " Input is BlocksWorld-PT-09, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r018-smll-177946788100357"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/BlocksWorld-PT-09.tgz
mv BlocksWorld-PT-09 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.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 '
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;