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.r088-smll-177946995200202.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 DES-PT-01b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r088-smll-177946995200202
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 460K
-rw-r--r-- 1 mcc users 5.5K Mar 6 18:27 CTLCardinality.txt
-rw-r--r-- 1 mcc users 56K Mar 6 18:27 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K Mar 6 18:27 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Mar 6 18:27 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.3K Mar 15 08:55 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Mar 15 08:55 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 08:55 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 08:55 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 6 18:27 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 117K Mar 6 18:27 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.6K Mar 6 18:27 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 54K Mar 6 18:27 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Mar 15 08:55 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K Mar 15 08:55 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 68K 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 1779493675961

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DES-PT-01b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-22 23:47:57] [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 23:47:57] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 23:47:58] [INFO ] Load time of PNML (sax parser for PT used): 122 ms
[2026-05-22 23:47:58] [INFO ] Transformed 284 places.
[2026-05-22 23:47:58] [INFO ] Transformed 235 transitions.
[2026-05-22 23:47:58] [INFO ] Found NUPN structural information;
[2026-05-22 23:47:58] [INFO ] Parsed PT model containing 284 places and 235 transitions and 683 arcs in 326 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 284/284 places, 235/235 transitions.
Reduce places removed 3 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 23 transitions
Trivial Post-agglo rules discarded 23 transitions
Performed 23 trivial Post agglomeration. Transition count delta: 23
Iterating post reduction 0 with 26 rules applied. Total rules applied 26 place count 281 transition count 212
Reduce places removed 23 places and 0 transitions.
Iterating post reduction 1 with 23 rules applied. Total rules applied 49 place count 258 transition count 212
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 9 Pre rules applied. Total rules applied 49 place count 258 transition count 203
Deduced a syphon composed of 9 places in 3 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 2 with 18 rules applied. Total rules applied 67 place count 249 transition count 203
Performed 91 Post agglomeration using F-continuation condition.Transition count delta: 91
Deduced a syphon composed of 91 places in 1 ms
Reduce places removed 91 places and 0 transitions.
Iterating global reduction 2 with 182 rules applied. Total rules applied 249 place count 158 transition count 112
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -16
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 257 place count 154 transition count 128
Applied a total of 257 rules in 107 ms. Remains 154 /284 variables (removed 130) and now considering 128/235 (removed 107) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14764608874926326383.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14417936498173202844.kers'
[2026-05-22 23:47:58] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14764608874926326383.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14417936498173202844.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 128 rows 153 cols 645 entries
Finished phase 1 with 34 SingleSign rule and 58 generalized
[2026-05-22 23:47:58] [INFO ] Computed 62 invariants in 2 ms
Computed 62 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-14417936498173202844.kers
Total runtime 5 ms.
[2026-05-22 23:47:59] [INFO ] Implicit Places using invariants in 869 ms returned [1, 4, 39, 67, 71, 75, 77, 79, 81, 83, 85, 87, 89, 91, 93, 95, 97, 99, 101, 103, 105, 127]
Discarding 22 places :
Implicit Place search using SMT only with invariants took 940 ms to find 22 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 132/284 places, 128/235 transitions.
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 10 Pre rules applied. Total rules applied 0 place count 132 transition count 118
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 0 with 20 rules applied. Total rules applied 20 place count 122 transition count 118
Performed 11 Post agglomeration using F-continuation condition.Transition count delta: 11
Deduced a syphon composed of 11 places in 1 ms
Ensure Unique test removed 14 places
Reduce places removed 25 places and 0 transitions.
Iterating global reduction 0 with 36 rules applied. Total rules applied 56 place count 97 transition count 107
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 58 place count 96 transition count 106
Applied a total of 58 rules in 22 ms. Remains 96 /132 variables (removed 36) and now considering 106/128 (removed 22) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-18135133789733797271.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3085796639256891890.kers'
[2026-05-22 23:47:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18135133789733797271.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3085796639256891890.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 106 rows 95 cols 507 entries
Finished phase 1 with 34 SingleSign rule and 36 generalized
[2026-05-22 23:47:59] [INFO ] Computed 26 invariants in 0 ms
Computed 26 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-3085796639256891890.kers
Total runtime 1 ms.
[2026-05-22 23:47:59] [INFO ] Implicit Places using invariants in 250 ms returned [72, 78, 81]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 252 ms to find 3 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 93/284 places, 106/235 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 91 transition count 104
Applied a total of 4 rules in 5 ms. Remains 91 /93 variables (removed 2) and now considering 104/106 (removed 2) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10924402667583978000.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6437859110136042848.kers'
[2026-05-22 23:47:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10924402667583978000.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6437859110136042848.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 104 rows 91 cols 499 entries
Finished phase 1 with 33 SingleSign rule and 35 generalized
[2026-05-22 23:47:59] [INFO ] Computed 23 invariants in 0 ms
Computed 23 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-6437859110136042848.kers
Total runtime 1 ms.
[2026-05-22 23:47:59] [INFO ] Implicit Places using invariants in 204 ms returned []
[2026-05-22 23:47:59] [INFO ] Invariant cache hit.
[2026-05-22 23:47:59] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-22 23:48:00] [INFO ] Implicit Places using invariants and state equation in 280 ms returned [14, 58, 62, 86]
Discarding 4 places :
Implicit Place search using SMT with State Equation took 489 ms to find 4 implicit places.
Starting structural reductions in LIVENESS mode, iteration 3 : 87/284 places, 104/235 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 87 transition count 103
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 86 transition count 103
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Ensure Unique test removed 1 places
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 2 with 9 rules applied. Total rules applied 11 place count 81 transition count 99
Applied a total of 11 rules in 6 ms. Remains 81 /87 variables (removed 6) and now considering 99/104 (removed 5) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12632367156554549209.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18322896048415034149.kers'
[2026-05-22 23:48:00] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12632367156554549209.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18322896048415034149.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 99 rows 81 cols 470 entries
Finished phase 1 with 37 SingleSign rule and 26 generalized
[2026-05-22 23:48:00] [INFO ] Computed 18 invariants in 0 ms
Computed 18 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-18322896048415034149.kers
Total runtime 1 ms.
[2026-05-22 23:48:00] [INFO ] Implicit Places using invariants in 127 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 129 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 4 : 80/284 places, 99/235 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 79 transition count 98
Applied a total of 2 rules in 5 ms. Remains 79 /80 variables (removed 1) and now considering 98/99 (removed 1) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13806900272161480682.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17428509215741977425.kers'
[2026-05-22 23:48:00] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13806900272161480682.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17428509215741977425.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 98 rows 79 cols 466 entries
Finished phase 1 with 39 SingleSign rule and 23 generalized
[2026-05-22 23:48:00] [INFO ] Computed 17 invariants in 0 ms
Computed 17 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-17428509215741977425.kers
Total runtime 1 ms.
[2026-05-22 23:48:00] [INFO ] Implicit Places using invariants in 131 ms returned []
[2026-05-22 23:48:00] [INFO ] Invariant cache hit.
[2026-05-22 23:48:00] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-22 23:48:00] [INFO ] Implicit Places using invariants and state equation in 237 ms returned []
Implicit Place search using SMT with State Equation took 372 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 5 : 79/284 places, 98/235 transitions.
Finished structural reductions in LIVENESS mode , in 5 iterations and 2351 ms. Remains : 79/284 places, 98/235 transitions.
Discarding 45 transitions out of 98. Remains 53
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (1961 resets) in 1703 ms. (23 steps per ms) remains 0/52 properties
[2026-05-22 23:48:01] [INFO ] Flatten gal took : 102 ms
[2026-05-22 23:48:01] [INFO ] Flatten gal took : 32 ms
[2026-05-22 23:48:01] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14729297193929623114.gal : 14 ms
[2026-05-22 23:48:01] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality728489073810699979.prop : 0 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/ReachabilityCardinality14729297193929623114.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality728489073810699979.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 53 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 3405 ms.

BK_STOP 1779493681264

--------------------
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_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /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="DES-PT-01b"
export BK_EXAMINATION="QuasiLiveness"
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 2-5973"
echo " Executing tool itstools"
echo " Input is DES-PT-01b, 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 r088-smll-177946995200202"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DES-PT-01b.tgz
mv DES-PT-01b 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 ;