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-177955698600222.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-13b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r104-tall-177955698600222
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 484K
-rw-r--r-- 1 mcc users 5.6K Mar 6 16:20 CTLCardinality.txt
-rw-r--r-- 1 mcc users 54K Mar 6 16:20 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Mar 6 16:20 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Mar 6 16:20 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 09:15 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 15 09:15 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 09:15 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Mar 15 09:15 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.6K Mar 6 16:21 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 101K Mar 6 16:21 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.9K Mar 6 16:20 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 55K Mar 6 16:20 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 09:15 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:15 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 97K 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 1779608282023

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-13b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-24 07:38:03] [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 07:38:03] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 07:38:03] [INFO ] Load time of PNML (sax parser for PT used): 84 ms
[2026-05-24 07:38:03] [INFO ] Transformed 380 places.
[2026-05-24 07:38:03] [INFO ] Transformed 404 transitions.
[2026-05-24 07:38:03] [INFO ] Found NUPN structural information;
[2026-05-24 07:38:03] [INFO ] Parsed PT model containing 380 places and 404 transitions and 1056 arcs in 179 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 380/380 places, 404/404 transitions.
Reduce places removed 26 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 97 transitions
Trivial Post-agglo rules discarded 97 transitions
Performed 97 trivial Post agglomeration. Transition count delta: 97
Iterating post reduction 0 with 123 rules applied. Total rules applied 123 place count 354 transition count 307
Reduce places removed 97 places and 0 transitions.
Iterating post reduction 1 with 97 rules applied. Total rules applied 220 place count 257 transition count 307
Performed 13 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 13 Pre rules applied. Total rules applied 220 place count 257 transition count 294
Deduced a syphon composed of 13 places in 3 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 2 with 26 rules applied. Total rules applied 246 place count 244 transition count 294
Performed 124 Post agglomeration using F-continuation condition.Transition count delta: 124
Deduced a syphon composed of 124 places in 0 ms
Reduce places removed 124 places and 0 transitions.
Iterating global reduction 2 with 248 rules applied. Total rules applied 494 place count 120 transition count 170
Applied a total of 494 rules in 63 ms. Remains 120 /380 variables (removed 260) and now considering 170/404 (removed 234) transitions.
[2026-05-24 07:38:03] [INFO ] Flow matrix only has 145 transitions (discarded 25 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8682291801310999538.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2275172832971727995.kers'
[2026-05-24 07:38:03] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8682291801310999538.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2275172832971727995.kers]
Normalized transition count is 144 out of 145 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 144 rows 118 cols 274 entries
Finished phase 1 with 118 SingleSign rule and 0 generalized
[2026-05-24 07:38:03] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-2275172832971727995.kers
Total runtime 1 ms.
[2026-05-24 07:38:03] [INFO ] Implicit Places using invariants in 286 ms returned []
[2026-05-24 07:38:03] [INFO ] Flow matrix only has 145 transitions (discarded 25 similar events)
[2026-05-24 07:38:03] [INFO ] Invariant cache hit.
[2026-05-24 07:38:03] [INFO ] State equation strengthened by 144 read => feed constraints.
[2026-05-24 07:38:04] [INFO ] Implicit Places using invariants and state equation in 786 ms returned [118, 119]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 1115 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 118/380 places, 170/404 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 39 transitions
Trivial Post-agglo rules discarded 39 transitions
Performed 39 trivial Post agglomeration. Transition count delta: 39
Iterating post reduction 0 with 39 rules applied. Total rules applied 39 place count 118 transition count 131
Reduce places removed 39 places and 0 transitions.
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 26 transitions
Trivial Post-agglo rules discarded 26 transitions
Performed 26 trivial Post agglomeration. Transition count delta: 26
Iterating post reduction 1 with 78 rules applied. Total rules applied 117 place count 79 transition count 92
Reduce places removed 26 places and 0 transitions.
Iterating post reduction 2 with 26 rules applied. Total rules applied 143 place count 53 transition count 92
Performed 26 Post agglomeration using F-continuation condition.Transition count delta: 26
Deduced a syphon composed of 26 places in 0 ms
Reduce places removed 26 places and 0 transitions.
Iterating global reduction 3 with 52 rules applied. Total rules applied 195 place count 27 transition count 66
Applied a total of 195 rules in 11 ms. Remains 27 /118 variables (removed 91) and now considering 66/170 (removed 104) transitions.
[2026-05-24 07:38:04] [INFO ] Flow matrix only has 41 transitions (discarded 25 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7437328040399918556.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5097442632574213293.kers'
[2026-05-24 07:38:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7437328040399918556.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5097442632574213293.kers]
Normalized transition count is 40 out of 41 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 40 rows 27 cols 66 entries
Finished phase 1 with 27 SingleSign rule and 0 generalized
[2026-05-24 07:38:04] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-5097442632574213293.kers
Total runtime 0 ms.
[2026-05-24 07:38:04] [INFO ] Implicit Places using invariants in 29 ms returned []
[2026-05-24 07:38:04] [INFO ] Flow matrix only has 41 transitions (discarded 25 similar events)
[2026-05-24 07:38:04] [INFO ] Invariant cache hit.
[2026-05-24 07:38:04] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 07:38:04] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 68 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 27/380 places, 66/404 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 1275 ms. Remains : 27/380 places, 66/404 transitions.
Discarding 39 transitions out of 66. Remains 27
Initial state reduction rules removed 1 formulas.
RANDOM walk for 404 steps (18 resets) in 51 ms. (7 steps per ms) remains 0/26 properties
[2026-05-24 07:38:04] [INFO ] Flatten gal took : 20 ms
[2026-05-24 07:38:04] [INFO ] Flatten gal took : 5 ms
[2026-05-24 07:38:04] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11873419592476368938.gal : 5 ms
[2026-05-24 07:38:04] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17503648590314703846.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/ReachabilityCardinality11873419592476368938.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17503648590314703846.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 27 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 1701 ms.

BK_STOP 1779608284927

--------------------
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-13b"
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-13b, 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-177955698600222"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

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