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.r354-tall-178024402800135.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 LastZero-PT-N20, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r354-tall-178024402800135
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.3M
-rw-r--r-- 1 mcc users 7.9K May 27 10:27 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K May 27 10:27 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K May 27 10:27 CTLFireability.txt
-rw-r--r-- 1 mcc users 60K May 27 10:27 CTLFireability.xml
-rw-r--r-- 1 mcc users 153K May 27 10:54 LTLCardinality.txt
-rw-r--r-- 1 mcc users 556K May 27 10:54 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 27 10:54 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 27 10:54 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 26 18:17 NewModel
-rw-r--r-- 1 mcc users 11K May 27 10:27 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 93K May 27 10:27 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.0K May 27 10:27 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 45K May 27 10:27 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 25K May 27 10:54 UpperBounds.txt
-rw-r--r-- 1 mcc users 65K May 27 10:54 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 26 18:17 equiv_col
-rw-r--r-- 1 mcc users 4 May 26 18:17 instance
-rw-r--r-- 1 mcc users 6 May 26 18:17 iscolored
-rw-r--r-- 1 mcc users 3.1M Jun 10 11:58 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME LastZero-PT-N20-ReachabilityFireability-2024-00
FORMULA_NAME LastZero-PT-N20-ReachabilityFireability-2024-01
FORMULA_NAME LastZero-PT-N20-ReachabilityFireability-2024-02
FORMULA_NAME LastZero-PT-N20-ReachabilityFireability-2024-03
FORMULA_NAME LastZero-PT-N20-ReachabilityFireability-2024-04
FORMULA_NAME LastZero-PT-N20-ReachabilityFireability-2024-05
FORMULA_NAME LastZero-PT-N20-ReachabilityFireability-2024-06
FORMULA_NAME LastZero-PT-N20-ReachabilityFireability-2024-07
FORMULA_NAME LastZero-PT-N20-ReachabilityFireability-2024-08
FORMULA_NAME LastZero-PT-N20-ReachabilityFireability-2024-09
FORMULA_NAME LastZero-PT-N20-ReachabilityFireability-2024-10
FORMULA_NAME LastZero-PT-N20-ReachabilityFireability-2024-11
FORMULA_NAME LastZero-PT-N20-ReachabilityFireability-2024-12
FORMULA_NAME LastZero-PT-N20-ReachabilityFireability-2024-13
FORMULA_NAME LastZero-PT-N20-ReachabilityFireability-2024-14
FORMULA_NAME LastZero-PT-N20-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1781099934945

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=LastZero-PT-N20
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-06-10 13:58:56] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-06-10 13:58:56] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-06-10 13:58:56] [INFO ] Load time of PNML (sax parser for PT used): 258 ms
[2026-06-10 13:58:56] [INFO ] Transformed 924 places.
[2026-06-10 13:58:56] [INFO ] Transformed 10061 transitions.
[2026-06-10 13:58:56] [INFO ] Parsed PT model containing 924 places and 10061 transitions and 30983 arcs in 384 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 30 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 442 places in 51 ms
Reduce places removed 442 places and 6561 transitions.
Reduce places removed 1 places and 0 transitions.
FORMULA LastZero-PT-N20-ReachabilityFireability-2024-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-PT-N20-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-PT-N20-ReachabilityFireability-2024-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-PT-N20-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-PT-N20-ReachabilityFireability-2024-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-PT-N20-ReachabilityFireability-2024-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-PT-N20-ReachabilityFireability-2024-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-PT-N20-ReachabilityFireability-2024-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-PT-N20-ReachabilityFireability-2024-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-PT-N20-ReachabilityFireability-2024-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (652 resets) in 2108 ms. (18 steps per ms) remains 6/6 properties
[2026-06-10 13:58:57] [INFO ] Flatten gal took : 317 ms
BEST_FIRST walk for 40004 steps (64 resets) in 442 ms. (90 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (61 resets) in 292 ms. (136 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (64 resets) in 287 ms. (138 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (61 resets) in 181 ms. (219 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (64 resets) in 206 ms. (193 steps per ms) remains 6/6 properties
[2026-06-10 13:58:57] [INFO ] Flatten gal took : 357 ms
BEST_FIRST walk for 40004 steps (64 resets) in 148 ms. (268 steps per ms) remains 6/6 properties
[2026-06-10 13:58:57] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15606598940186894293.gal : 102 ms
[2026-06-10 13:58:57] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2182408005041874034.prop : 2 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-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality15606598940186894293.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2182408005041874034.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality2182408005041874034.prop.
SDD proceeding with computation,6 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,6 properties remain. new max is 8
SDD size :6 after 18
SDD proceeding with computation,6 properties remain. new max is 16
SDD size :18 after 40
SDD proceeding with computation,6 properties remain. new max is 32
SDD size :40 after 250
SDD proceeding with computation,6 properties remain. new max is 64
SDD size :250 after 2129
Reachability property LastZero-PT-N20-ReachabilityFireability-2024-11 is true.
FORMULA LastZero-PT-N20-ReachabilityFireability-2024-11 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,5 properties remain. new max is 64
SDD size :2129 after 67315
SDD proceeding with computation,5 properties remain. new max is 128
SDD size :67315 after 826806
SDD proceeding with computation,5 properties remain. new max is 256
SDD size :826806 after 4.2978e+07
SDD proceeding with computation,5 properties remain. new max is 512
SDD size :4.2978e+07 after 1.5558e+10
SDD proceeding with computation,5 properties remain. new max is 1024
SDD size :1.5558e+10 after 3.0379e+11
SDD proceeding with computation,5 properties remain. new max is 2048
SDD size :3.0379e+11 after 3.03791e+11
SDD proceeding with computation,5 properties remain. new max is 4096
SDD size :3.03791e+11 after 3.04112e+11
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,3.87596e+11,1.73352,34844,2,13420,18,34258,11,0,5400,11819,0
Total reachable state count : 387596445479

Verifying 6 reachability properties.
Reachability property LastZero-PT-N20-ReachabilityFireability-2024-00 does not hold.
FORMULA LastZero-PT-N20-ReachabilityFireability-2024-00 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
No reachable states exhibit your property : LastZero-PT-N20-ReachabilityFireability-2024-00

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
LastZero-PT-N20-ReachabilityFireability-2024-00,0,1.74371,34844,1,0,18,34258,11,0,5410,11819,0
Invariant property LastZero-PT-N20-ReachabilityFireability-2024-05 is true.
FORMULA LastZero-PT-N20-ReachabilityFireability-2024-05 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
LastZero-PT-N20-ReachabilityFireability-2024-05,0,1.74905,34844,1,0,18,34258,11,0,5416,11819,0
Reachability property LastZero-PT-N20-ReachabilityFireability-2024-06 does not hold.
FORMULA LastZero-PT-N20-ReachabilityFireability-2024-06 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
No reachable states exhibit your property : LastZero-PT-N20-ReachabilityFireability-2024-06

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
LastZero-PT-N20-ReachabilityFireability-2024-06,0,1.75193,34844,1,0,18,34258,11,0,5419,11819,0
Reachability property LastZero-PT-N20-ReachabilityFireability-2024-11 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
LastZero-PT-N20-ReachabilityFireability-2024-11,11,1.75483,34844,2,499,18,34258,12,0,5421,11819,0
Invariant property LastZero-PT-N20-ReachabilityFireability-2024-12 is true.
FORMULA LastZero-PT-N20-ReachabilityFireability-2024-12 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
LastZero-PT-N20-ReachabilityFireability-2024-12,0,1.75747,34844,1,0,18,34258,12,0,5423,11819,0
Reachability property LastZero-PT-N20-ReachabilityFireability-2024-14 does not hold.
FORMULA LastZero-PT-N20-ReachabilityFireability-2024-14 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
No reachable states exhibit your property : LastZero-PT-N20-ReachabilityFireability-2024-14

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
LastZero-PT-N20-ReachabilityFireability-2024-14,0,1.75916,34844,1,0,18,34258,12,0,5424,11819,0
ITS tools runner thread asked to quit. Dying gracefully.
Interrupted probabilistic random walk after 153976 steps, run timeout after 3001 ms. (steps per millisecond=51 ) properties seen :0 out of 6
Probabilistic random walk after 153976 steps, saw 31328 distinct states, run finished after 3006 ms. (steps per millisecond=51 ) properties seen :0
All properties solved without resorting to model-checking.
Total runtime 4721 ms.

BK_STOP 1781099940853

--------------------
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
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -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 ReachabilityFireability -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="LastZero-PT-N20"
export BK_EXAMINATION="ReachabilityFireability"
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 LastZero-PT-N20, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r354-tall-178024402800135"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/LastZero-PT-N20.tgz
mv LastZero-PT-N20 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;