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.r330-tall-167889202700022.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 marciexred
Input is RERS17pb113-PT-3, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r330-tall-167889202700022
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 15M
-rw-r--r-- 1 mcc users 7.4K Feb 26 18:16 CTLCardinality.txt
-rw-r--r-- 1 mcc users 82K Feb 26 18:16 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.6K Feb 26 18:13 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K Feb 26 18:13 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K Jan 29 11:41 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.4K Feb 25 16:37 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 16:37 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.2K Feb 25 16:37 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Feb 25 16:37 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Feb 26 18:20 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 144K Feb 26 18:20 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Feb 26 18:19 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 30K Feb 26 18:19 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:37 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:37 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 2 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 15M 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 RERS17pb113-PT-3-ReachabilityCardinality-00
FORMULA_NAME RERS17pb113-PT-3-ReachabilityCardinality-01
FORMULA_NAME RERS17pb113-PT-3-ReachabilityCardinality-02
FORMULA_NAME RERS17pb113-PT-3-ReachabilityCardinality-03
FORMULA_NAME RERS17pb113-PT-3-ReachabilityCardinality-04
FORMULA_NAME RERS17pb113-PT-3-ReachabilityCardinality-05
FORMULA_NAME RERS17pb113-PT-3-ReachabilityCardinality-06
FORMULA_NAME RERS17pb113-PT-3-ReachabilityCardinality-07
FORMULA_NAME RERS17pb113-PT-3-ReachabilityCardinality-08
FORMULA_NAME RERS17pb113-PT-3-ReachabilityCardinality-09
FORMULA_NAME RERS17pb113-PT-3-ReachabilityCardinality-10
FORMULA_NAME RERS17pb113-PT-3-ReachabilityCardinality-11
FORMULA_NAME RERS17pb113-PT-3-ReachabilityCardinality-12
FORMULA_NAME RERS17pb113-PT-3-ReachabilityCardinality-13
FORMULA_NAME RERS17pb113-PT-3-ReachabilityCardinality-14
FORMULA_NAME RERS17pb113-PT-3-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1679012847318

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=marciexred
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=RERS17pb113-PT-3
Applying reductions before tool marcie
Invoking reducer
Running Version 202303021504
[2023-03-17 00:27:28] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -timeout, 360, -rebuildPNML]
[2023-03-17 00:27:29] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-17 00:27:29] [INFO ] Load time of PNML (sax parser for PT used): 583 ms
[2023-03-17 00:27:29] [INFO ] Transformed 639 places.
[2023-03-17 00:27:29] [INFO ] Transformed 31353 transitions.
[2023-03-17 00:27:29] [INFO ] Parsed PT model containing 639 places and 31353 transitions and 125418 arcs in 795 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 23 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 10000 steps, including 2 resets, run finished after 805 ms. (steps per millisecond=12 ) properties (out of 16) seen :10
FORMULA RERS17pb113-PT-3-ReachabilityCardinality-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA RERS17pb113-PT-3-ReachabilityCardinality-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA RERS17pb113-PT-3-ReachabilityCardinality-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA RERS17pb113-PT-3-ReachabilityCardinality-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA RERS17pb113-PT-3-ReachabilityCardinality-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA RERS17pb113-PT-3-ReachabilityCardinality-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA RERS17pb113-PT-3-ReachabilityCardinality-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA RERS17pb113-PT-3-ReachabilityCardinality-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA RERS17pb113-PT-3-ReachabilityCardinality-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA RERS17pb113-PT-3-ReachabilityCardinality-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 98 ms. (steps per millisecond=102 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 44 ms. (steps per millisecond=227 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 65 ms. (steps per millisecond=153 ) properties (out of 6) seen :1
FORMULA RERS17pb113-PT-3-ReachabilityCardinality-05 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 52 ms. (steps per millisecond=192 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 145 ms. (steps per millisecond=68 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 51 ms. (steps per millisecond=196 ) properties (out of 5) seen :0
Running SMT prover for 5 properties.
[2023-03-17 00:27:31] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 639 cols
[2023-03-17 00:27:31] [INFO ] Computed 25 place invariants in 210 ms
[2023-03-17 00:27:32] [INFO ] After 300ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-17 00:27:32] [INFO ] [Nat]Absence check using 13 positive place invariants in 10 ms returned sat
[2023-03-17 00:27:32] [INFO ] [Nat]Absence check using 13 positive and 12 generalized place invariants in 7 ms returned sat
[2023-03-17 00:27:57] [INFO ] After 24786ms SMT Verify possible using state equation in natural domain returned unsat :1 sat :3
[2023-03-17 00:27:57] [INFO ] State equation strengthened by 829 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:902)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-17 00:27:57] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 00:27:57] [INFO ] After 25332ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:5
FORMULA RERS17pb113-PT-3-ReachabilityCardinality-07 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 5 Parikh solutions to 3 different solutions.
Parikh walk visited 0 properties in 30 ms.
Support contains 214 out of 639 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 639/639 places, 31353/31353 transitions.
Ensure Unique test removed 8 places
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 631 transition count 31353
Applied a total of 8 rules in 395 ms. Remains 631 /639 variables (removed 8) and now considering 31353/31353 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 401 ms. Remains : 631/639 places, 31353/31353 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 481 ms. (steps per millisecond=20 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 78 ms. (steps per millisecond=128 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 43 ms. (steps per millisecond=232 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 71 ms. (steps per millisecond=140 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 51 ms. (steps per millisecond=196 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 25086 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 25086 steps, saw 22477 distinct states, run finished after 3003 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 4 properties.
[2023-03-17 00:28:01] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 631 cols
[2023-03-17 00:28:01] [INFO ] Computed 17 place invariants in 70 ms
[2023-03-17 00:28:02] [INFO ] After 147ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-17 00:28:02] [INFO ] [Nat]Absence check using 5 positive place invariants in 4 ms returned sat
[2023-03-17 00:28:02] [INFO ] [Nat]Absence check using 5 positive and 12 generalized place invariants in 17 ms returned sat
[2023-03-17 00:28:25] [INFO ] After 23289ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-17 00:28:26] [INFO ] State equation strengthened by 829 read => feed constraints.
[2023-03-17 00:28:27] [INFO ] After 1163ms SMT Verify possible using 829 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-17 00:28:27] [INFO ] After 1165ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 11 ms.
[2023-03-17 00:28:27] [INFO ] After 25046ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 0 properties in 29 ms.
Support contains 214 out of 631 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 631/631 places, 31353/31353 transitions.
Applied a total of 0 rules in 214 ms. Remains 631 /631 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 214 ms. Remains : 631/631 places, 31353/31353 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 631/631 places, 31353/31353 transitions.
Applied a total of 0 rules in 194 ms. Remains 631 /631 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-17 00:28:27] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-17 00:28:27] [INFO ] Invariant cache hit.
[2023-03-17 00:28:29] [INFO ] Implicit Places using invariants in 1294 ms returned []
Implicit Place search using SMT only with invariants took 1295 ms to find 0 implicit places.
[2023-03-17 00:28:29] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-17 00:28:29] [INFO ] Invariant cache hit.
[2023-03-17 00:28:37] [INFO ] Dead Transitions using invariants and state equation in 8964 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10462 ms. Remains : 631/631 places, 31353/31353 transitions.
Ensure Unique test removed 13027 transitions
Reduce isomorphic transitions removed 13027 transitions.
Iterating post reduction 0 with 13027 rules applied. Total rules applied 13027 place count 631 transition count 18326
Applied a total of 13027 rules in 635 ms. Remains 631 /631 variables (removed 0) and now considering 18326/31353 (removed 13027) transitions.
Running SMT prover for 4 properties.
// Phase 1: matrix 18326 rows 631 cols
[2023-03-17 00:28:38] [INFO ] Computed 17 place invariants in 73 ms
[2023-03-17 00:28:39] [INFO ] After 130ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-17 00:28:39] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2023-03-17 00:28:39] [INFO ] [Nat]Absence check using 5 positive and 12 generalized place invariants in 15 ms returned sat
[2023-03-17 00:28:52] [INFO ] After 12926ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-17 00:28:55] [INFO ] After 15972ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
Attempting to minimize the solution found.
Minimization took 1693 ms.
[2023-03-17 00:28:56] [INFO ] After 17851ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
[2023-03-17 00:28:56] [INFO ] Export to MCC of 4 properties in file /home/mcc/execution/ReachabilityCardinality.sr.xml took 4 ms.
[2023-03-17 00:28:57] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 631 places, 31353 transitions and 125410 arcs took 139 ms.
[2023-03-17 00:28:58] [INFO ] Flatten gal took : 1097 ms
Total runtime 89803 ms.
There are residual formulas that ITS could not solve within timeout
timeout --kill-after=10s --signal=SIGINT 1m for testing only

Marcie built on Linux at 2019-11-18.
A model checker for Generalized Stochastic Petri nets

authors: Alex Tovchigrechko (IDD package and CTL model checking)

Martin Schwarick (Symbolic numerical analysis and CSL model checking)

Christian Rohr (Simulative and approximative numerical model checking)

marcie@informatik.tu-cottbus.de

called as: /home/mcc/BenchKit/bin//../reducer/bin//../../marcie/bin/marcie --net-file=model.pnml --mcc-file=ReachabilityCardinality.xml --memory=6 --mcc-mode

parse successfull
net created successfully

Net: RERS17pb113_PT_3
(NrP: 631 NrTr: 31353 NrArc: 125410)

parse formulas
formulas created successfully
place and transition orderings generation:0m 4.055sec

net check time: 0m 0.029sec

init dd package: 0m 2.849sec

TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16393216 kB
MemFree: 10433532 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16068732 kB

BK_TIME_CONFINEMENT_REACHED

--------------------
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 ReachabilityCardinality -timeout 360 -rebuildPNML
check for maximal unmarked siphon
ok
check for constant places
ok
check if there are places and transitions
ok
check if there are transitions without pre-places
ok
check if at least one transition is enabled in m0
ok
check if there are transitions that can never fire
ok


initing FirstDep: 0m 6.157sec

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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="RERS17pb113-PT-3"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="marciexred"
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 marciexred"
echo " Input is RERS17pb113-PT-3, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r330-tall-167889202700022"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RERS17pb113-PT-3.tgz
mv RERS17pb113-PT-3 execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;