Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/sdalzilio/mcc2026-input.r184-oct2-177969023300122.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/sdalzilio/mcc2026-input.qcow2 backing_fmt=qcow2 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 MedleyA-PT-13, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r184-oct2-177969023300122
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 428K
-rw-r--r-- 1 mcc users 6.6K Mar 7 18:20 CTLCardinality.txt
-rw-r--r-- 1 mcc users 70K Mar 7 18:20 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K Mar 7 18:19 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K Mar 7 18:19 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 11:28 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 11:28 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 11:29 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 11:29 LTLFireability.xml
-rw-r--r-- 1 mcc users 6.6K Mar 7 18:20 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 60K Mar 7 18:20 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 7 18:20 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 97K Mar 7 18:20 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 11:29 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 11:29 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 39K 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 1779857435215

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=MedleyA-PT-13
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-27 04:50:36] [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]
[2026-05-27 04:50:36] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-27 04:50:36] [INFO ] Load time of PNML (sax parser for PT used): 57 ms
[2026-05-27 04:50:36] [INFO ] Transformed 173 places.
[2026-05-27 04:50:36] [INFO ] Transformed 159 transitions.
[2026-05-27 04:50:36] [INFO ] Found NUPN structural information;
[2026-05-27 04:50:36] [INFO ] Parsed PT model containing 173 places and 159 transitions and 401 arcs in 161 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 173/173 places, 159/159 transitions.
Discarding 5 places :
Implicit places reduction removed 5 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 31 transitions
Trivial Post-agglo rules discarded 31 transitions
Performed 31 trivial Post agglomeration. Transition count delta: 31
Iterating post reduction 0 with 36 rules applied. Total rules applied 36 place count 168 transition count 128
Reduce places removed 31 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 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 1 with 33 rules applied. Total rules applied 69 place count 137 transition count 126
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 70 place count 136 transition count 126
Performed 28 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 28 Pre rules applied. Total rules applied 70 place count 136 transition count 98
Deduced a syphon composed of 28 places in 1 ms
Ensure Unique test removed 1 places
Reduce places removed 29 places and 0 transitions.
Iterating global reduction 3 with 57 rules applied. Total rules applied 127 place count 107 transition count 98
Discarding 1 places :
Implicit places reduction removed 1 places
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 3 with 2 rules applied. Total rules applied 129 place count 106 transition count 97
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 130 place count 105 transition count 97
Performed 44 Post agglomeration using F-continuation condition.Transition count delta: 44
Deduced a syphon composed of 44 places in 0 ms
Reduce places removed 44 places and 0 transitions.
Iterating global reduction 5 with 88 rules applied. Total rules applied 218 place count 61 transition count 53
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: -19
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 5 with 16 rules applied. Total rules applied 234 place count 53 transition count 72
Applied a total of 234 rules in 123 ms. Remains 53 /173 variables (removed 120) and now considering 72/159 (removed 87) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2997384203611867820.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11285496990192738261.kers'
[2026-05-27 04:50:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2997384203611867820.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11285496990192738261.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 72 rows 53 cols 348 entries
Finished phase 1 with 29 SingleSign rule and 10 generalized
[2026-05-27 04:50:37] [INFO ] Computed 14 invariants in 0 ms
Computed 14 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-11285496990192738261.kers
Total runtime 2 ms.
[2026-05-27 04:50:37] [INFO ] Implicit Places using invariants in 391 ms returned [1, 7, 10, 12, 24, 30, 31]
[2026-05-27 04:50:37] [INFO ] Actually due to overlaps returned [7, 30, 1, 10, 12, 31]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 474 ms to find 6 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 47/173 places, 72/159 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 47 transition count 71
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 46 transition count 71
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 7 Pre rules applied. Total rules applied 2 place count 46 transition count 64
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 2 with 14 rules applied. Total rules applied 16 place count 39 transition count 64
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 2 with 4 rules applied. Total rules applied 20 place count 37 transition count 62
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 22 place count 36 transition count 62
Applied a total of 22 rules in 11 ms. Remains 36 /47 variables (removed 11) and now considering 62/72 (removed 10) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12557543880648736332.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7195939526244947262.kers'
[2026-05-27 04:50:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12557543880648736332.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7195939526244947262.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 62 rows 36 cols 274 entries
Finished phase 1 with 24 SingleSign rule and 4 generalized
[2026-05-27 04:50:37] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-7195939526244947262.kers
Total runtime 0 ms.
[2026-05-27 04:50:37] [INFO ] Implicit Places using invariants in 72 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 74 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 35/173 places, 62/159 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -2
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 34 transition count 64
Applied a total of 2 rules in 1 ms. Remains 34 /35 variables (removed 1) and now considering 64/62 (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-9571293265183555102.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1669460303877198356.kers'
[2026-05-27 04:50:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9571293265183555102.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1669460303877198356.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 64 rows 34 cols 284 entries
Finished phase 1 with 25 SingleSign rule and 2 generalized
[2026-05-27 04:50:37] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-1669460303877198356.kers
Total runtime 0 ms.
[2026-05-27 04:50:37] [INFO ] Implicit Places using invariants in 51 ms returned []
[2026-05-27 04:50:37] [INFO ] Invariant cache hit.
[2026-05-27 04:50:37] [INFO ] State equation strengthened by 7 read => feed constraints.
[2026-05-27 04:50:37] [INFO ] Implicit Places using invariants and state equation in 100 ms returned []
Implicit Place search using SMT with State Equation took 152 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 3 : 34/173 places, 64/159 transitions.
Finished structural reductions in LIVENESS mode , in 3 iterations and 850 ms. Remains : 34/173 places, 64/159 transitions.
Discarding 45 transitions out of 64. Remains 19
Initial state reduction rules removed 1 formulas.
RANDOM walk for 25473 steps (5403 resets) in 542 ms. (46 steps per ms) remains 0/18 properties
[2026-05-27 04:50:38] [INFO ] Flatten gal took : 52 ms
[2026-05-27 04:50:38] [INFO ] Flatten gal took : 11 ms
[2026-05-27 04:50:38] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10495610530842058147.gal : 7 ms
[2026-05-27 04:50:38] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16071316478859098843.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/ReachabilityCardinality10495610530842058147.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16071316478859098843.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 19 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 1472 ms.

BK_STOP 1779857438185

--------------------
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="MedleyA-PT-13"
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 MedleyA-PT-13, 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 r184-oct2-177969023300122"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/MedleyA-PT-13.tgz
mv MedleyA-PT-13 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 ;