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-177955698600167.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-08a, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r104-tall-177955698600167
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 584K
-rw-r--r-- 1 mcc users 8.5K Mar 6 16:15 CTLCardinality.txt
-rw-r--r-- 1 mcc users 97K Mar 6 16:15 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K Mar 6 16:13 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Mar 6 16:13 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 09:11 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 09:11 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 09:11 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 09:11 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Mar 6 16:15 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 162K Mar 6 16:15 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 6 16:15 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 109K Mar 6 16:15 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:11 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:11 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 28K 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 1779608189218

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-08a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-24 07:36:30] [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 07:36:30] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 07:36:30] [INFO ] Load time of PNML (sax parser for PT used): 54 ms
[2026-05-24 07:36:30] [INFO ] Transformed 83 places.
[2026-05-24 07:36:30] [INFO ] Transformed 113 transitions.
[2026-05-24 07:36:30] [INFO ] Found NUPN structural information;
[2026-05-24 07:36:30] [INFO ] Parsed PT model containing 83 places and 113 transitions and 363 arcs in 144 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 83/83 places, 113/113 transitions.
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 1 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 0 with 16 rules applied. Total rules applied 16 place count 75 transition count 105
Applied a total of 16 rules in 27 ms. Remains 75 /83 variables (removed 8) and now considering 105/113 (removed 8) transitions.
[2026-05-24 07:36:30] [INFO ] Flow matrix only has 97 transitions (discarded 8 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9704506774153291277.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8497649999833619516.kers'
[2026-05-24 07:36:30] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9704506774153291277.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8497649999833619516.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 97 rows 73 cols 185 entries
Finished phase 1 with 73 SingleSign rule and 0 generalized
[2026-05-24 07:36:30] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-8497649999833619516.kers
Total runtime 1 ms.
[2026-05-24 07:36:30] [INFO ] Implicit Places using invariants in 219 ms returned []
[2026-05-24 07:36:30] [INFO ] Flow matrix only has 97 transitions (discarded 8 similar events)
[2026-05-24 07:36:30] [INFO ] Invariant cache hit.
[2026-05-24 07:36:31] [INFO ] State equation strengthened by 64 read => feed constraints.
[2026-05-24 07:36:31] [INFO ] Implicit Places using invariants and state equation in 218 ms returned [73, 74]
Discarding 2 places :
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Implicit Place search using SMT with State Equation took 474 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 73/83 places, 97/113 transitions.
Graph (trivial) has 80 edges and 73 vertex of which 32 / 73 are part of one of the 16 SCC in 2 ms
Free SCC test removed 16 places
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 24 transitions
Trivial Post-agglo rules discarded 24 transitions
Performed 24 trivial Post agglomeration. Transition count delta: 24
Iterating post reduction 0 with 24 rules applied. Total rules applied 25 place count 57 transition count 57
Reduce places removed 24 places and 0 transitions.
Iterating post reduction 1 with 24 rules applied. Total rules applied 49 place count 33 transition count 57
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 81 place count 17 transition count 41
Applied a total of 81 rules in 13 ms. Remains 17 /73 variables (removed 56) and now considering 41/97 (removed 56) transitions.
[2026-05-24 07:36:31] [INFO ] Flow matrix only has 26 transitions (discarded 15 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15307520010881945401.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16874525805636772451.kers'
[2026-05-24 07:36:31] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15307520010881945401.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16874525805636772451.kers]
Normalized transition count is 25 out of 26 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 25 rows 17 cols 41 entries
Finished phase 1 with 17 SingleSign rule and 0 generalized
[2026-05-24 07:36:31] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-16874525805636772451.kers
Total runtime 0 ms.
[2026-05-24 07:36:31] [INFO ] Implicit Places using invariants in 26 ms returned []
[2026-05-24 07:36:31] [INFO ] Flow matrix only has 26 transitions (discarded 15 similar events)
[2026-05-24 07:36:31] [INFO ] Invariant cache hit.
[2026-05-24 07:36:31] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 07:36:31] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 58 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 17/83 places, 41/113 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 589 ms. Remains : 17/83 places, 41/113 transitions.
Discarding 24 transitions out of 41. Remains 17
Initial state reduction rules removed 1 formulas.
RANDOM walk for 200 steps (12 resets) in 23 ms. (8 steps per ms) remains 0/16 properties
[2026-05-24 07:36:31] [INFO ] Flatten gal took : 17 ms
[2026-05-24 07:36:31] [INFO ] Flatten gal took : 3 ms
[2026-05-24 07:36:31] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16321168238262685292.gal : 4 ms
[2026-05-24 07:36:31] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9999483071223287729.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/ReachabilityCardinality16321168238262685292.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9999483071223287729.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 17 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 965 ms.

BK_STOP 1779608191442

--------------------
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-08a"
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-08a, 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-177955698600167"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DiscoveryGPU-PT-08a.tgz
mv DiscoveryGPU-PT-08a 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 ;