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.r104-tall-177955698600147.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 DiscoveryGPU-PT-06a, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r104-tall-177955698600147
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 488K
-rw-r--r-- 1 mcc users 6.0K Mar 6 16:11 CTLCardinality.txt
-rw-r--r-- 1 mcc users 63K Mar 6 16:11 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K Mar 6 16:11 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K Mar 6 16:11 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:10 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 09:10 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 09:10 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 09:10 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 6 16:12 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 143K Mar 6 16:12 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.2K Mar 6 16:11 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 82K Mar 6 16:11 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:10 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:10 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 22K 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 1779608153944

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DiscoveryGPU-PT-06a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-24 07:35:55] [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]
[2026-05-24 07:35:55] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 07:35:55] [INFO ] Load time of PNML (sax parser for PT used): 45 ms
[2026-05-24 07:35:55] [INFO ] Transformed 63 places.
[2026-05-24 07:35:55] [INFO ] Transformed 85 transitions.
[2026-05-24 07:35:55] [INFO ] Found NUPN structural information;
[2026-05-24 07:35:55] [INFO ] Parsed PT model containing 63 places and 85 transitions and 273 arcs in 126 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 63/63 places, 85/85 transitions.
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 57 transition count 79
Applied a total of 12 rules in 23 ms. Remains 57 /63 variables (removed 6) and now considering 79/85 (removed 6) transitions.
[2026-05-24 07:35:55] [INFO ] Flow matrix only has 73 transitions (discarded 6 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11511438804503246016.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6047355440849861804.kers'
[2026-05-24 07:35:55] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11511438804503246016.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6047355440849861804.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 73 rows 55 cols 139 entries
Finished phase 1 with 55 SingleSign rule and 0 generalized
[2026-05-24 07:35:55] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-6047355440849861804.kers
Total runtime 1 ms.
[2026-05-24 07:35:55] [INFO ] Implicit Places using invariants in 185 ms returned []
[2026-05-24 07:35:55] [INFO ] Flow matrix only has 73 transitions (discarded 6 similar events)
[2026-05-24 07:35:55] [INFO ] Invariant cache hit.
[2026-05-24 07:35:55] [INFO ] State equation strengthened by 48 read => feed constraints.
[2026-05-24 07:35:55] [INFO ] Implicit Places using invariants and state equation in 178 ms returned [55, 56]
Discarding 2 places :
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Implicit Place search using SMT with State Equation took 397 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 55/63 places, 73/85 transitions.
Graph (trivial) has 60 edges and 55 vertex of which 24 / 55 are part of one of the 12 SCC in 4 ms
Free SCC test removed 12 places
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 18 transitions
Trivial Post-agglo rules discarded 18 transitions
Performed 18 trivial Post agglomeration. Transition count delta: 18
Iterating post reduction 0 with 18 rules applied. Total rules applied 19 place count 43 transition count 43
Reduce places removed 18 places and 0 transitions.
Iterating post reduction 1 with 18 rules applied. Total rules applied 37 place count 25 transition count 43
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 2 with 24 rules applied. Total rules applied 61 place count 13 transition count 31
Applied a total of 61 rules in 13 ms. Remains 13 /55 variables (removed 42) and now considering 31/73 (removed 42) transitions.
[2026-05-24 07:35:55] [INFO ] Flow matrix only has 20 transitions (discarded 11 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11321025611188564964.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17710200935213094415.kers'
[2026-05-24 07:35:55] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11321025611188564964.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17710200935213094415.kers]
Normalized transition count is 19 out of 20 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 19 rows 13 cols 31 entries
Finished phase 1 with 13 SingleSign rule and 0 generalized
[2026-05-24 07:35:55] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-17710200935213094415.kers
Total runtime 0 ms.
[2026-05-24 07:35:55] [INFO ] Implicit Places using invariants in 18 ms returned []
[2026-05-24 07:35:55] [INFO ] Flow matrix only has 20 transitions (discarded 11 similar events)
[2026-05-24 07:35:55] [INFO ] Invariant cache hit.
[2026-05-24 07:35:55] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 07:35:55] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 46 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 13/63 places, 31/85 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 500 ms. Remains : 13/63 places, 31/85 transitions.
Discarding 18 transitions out of 31. Remains 13
Initial state reduction rules removed 1 formulas.
RANDOM walk for 84 steps (6 resets) in 9 ms. (8 steps per ms) remains 0/12 properties
[2026-05-24 07:35:55] [INFO ] Flatten gal took : 107 ms
[2026-05-24 07:35:55] [INFO ] Flatten gal took : 3 ms
[2026-05-24 07:35:55] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10647112049351256292.gal : 3 ms
[2026-05-24 07:35:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6873165864953616998.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/ReachabilityCardinality10647112049351256292.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6873165864953616998.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
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
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 13 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 858 ms.

BK_STOP 1779608155928

--------------------
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="DiscoveryGPU-PT-06a"
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 DiscoveryGPU-PT-06a, 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 r104-tall-177955698600147"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DiscoveryGPU-PT-06a.tgz
mv DiscoveryGPU-PT-06a 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 ;