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.r136-smll-177955810900017.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 FamilyReunion-COL-L00100M0010C005P005G002, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r136-smll-177955810900017
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 648K
-rw-r--r-- 1 mcc users 7.1K Mar 6 05:16 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K Mar 6 05:16 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.7K Mar 6 05:15 CTLFireability.txt
-rw-r--r-- 1 mcc users 66K Mar 6 05:15 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.0K Mar 15 10:00 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 10:00 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 10:00 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K Mar 15 10:00 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 6 05:20 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 153K Mar 6 05:20 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 6 05:18 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 70K Mar 6 05:18 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Mar 15 10:00 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Mar 15 10:00 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_pt
-rw-r--r-- 1 mcc users 24 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 140K 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 1779608100104

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=FamilyReunion-COL-L00100M0010C005P005G002
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
QuasiLiveness COL
Running Version 202604301425
[2026-05-24 07:35:02] [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 07:35:02] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 07:35:02] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2026-05-24 07:35:03] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-24 07:35:04] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 1412 ms
[2026-05-24 07:35:04] [INFO ] Detected 5 constant HL places corresponding to 31 PT places.
[2026-05-24 07:35:04] [INFO ] Imported 104 HL places and 66 HL transitions for a total of 40706 PT places and 36972.0 transition bindings in 61 ms.
[2026-05-24 07:35:04] [INFO ] Unfolded HLPN to a Petri net with 40706 places and 36871 transitions 105658 arcs in 323 ms.
[2026-05-24 07:35:04] [INFO ] Unfolded 66 HLPN properties in 14 ms.
Initial state reduction rules removed 1 formulas.
[2026-05-24 07:35:04] [INFO ] Reduced 1010 identical enabling conditions.
[2026-05-24 07:35:04] [INFO ] Reduced 505 identical enabling conditions.
[2026-05-24 07:35:04] [INFO ] Reduced 303 identical enabling conditions.
[2026-05-24 07:35:04] [INFO ] Reduced 505 identical enabling conditions.
[2026-05-24 07:35:04] [INFO ] Reduced 505 identical enabling conditions.
Deduced a syphon composed of 101 places in 295 ms
Reduce places removed 132 places and 0 transitions.
[2026-05-24 07:35:11] [INFO ] Flatten gal took : 3366 ms
[2026-05-24 07:35:12] [INFO ] Flatten gal took : 1539 ms
[2026-05-24 07:35:13] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16138305293479690563.gal : 463 ms
[2026-05-24 07:35:13] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9949450941491224622.prop : 264 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/ReachabilityCardinality16138305293479690563.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9949450941491224622.prop' '--nowitness' '--gen-order' 'FOLLOW'

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
RANDOM walk for 40000 steps (8 resets) in 27380 ms. (1 steps per ms) remains 7/65 properties
BEST_FIRST walk for 40003 steps (8 resets) in 1715 ms. (23 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 747 ms. (53 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1615 ms. (24 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 712 ms. (56 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1072 ms. (37 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 511 ms. (78 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 345 ms. (115 steps per ms) remains 7/7 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7608369673659899009.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12240425541824457174.kers'
[2026-05-24 07:35:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7608369673659899009.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12240425541824457174.kers]
Culled 0 columns in 54 ms.
// Phase 1: matrix 36871 rows 40574 cols 105658 entries
Finished phase 1 with 19231 SingleSign rule and 12538 generalized
[2026-05-24 07:35:17] [INFO ] Computed 8805 invariants in 1594 ms
Computed 8805 P flows in 1596 ms.
Exported basis to /tmp/petrispot-output-12240425541824457174.kers
Total runtime 1634 ms.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1518 variables, 102/102 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1518 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 7 unsolved
SMT process timed out in 7489ms, After SMT, problems are : Problem set: 0 solved, 7 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1518 out of 40574 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 40574/40574 places, 36871/36871 transitions.
Graph (complete) has 65258 edges and 40574 vertex of which 40227 are kept as prefixes of interest. Removing 347 places using SCC suffix rule.84 ms
Discarding 347 places :
Also discarding 6 output transitions
Drop transitions (Output transitions of discarded places.) removed 6 transitions
Discarding 6666 places :
Implicit places reduction removed 6666 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 19594 transitions
Trivial Post-agglo rules discarded 19594 transitions
Performed 19594 trivial Post agglomeration. Transition count delta: 19594
Iterating post reduction 0 with 26260 rules applied. Total rules applied 26261 place count 33561 transition count 17271
Reduce places removed 19594 places and 0 transitions.
Iterating post reduction 1 with 19594 rules applied. Total rules applied 45855 place count 13967 transition count 17271
Performed 1717 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1717 Pre rules applied. Total rules applied 45855 place count 13967 transition count 15554
Deduced a syphon composed of 1717 places in 17 ms
Ensure Unique test removed 909 places
Reduce places removed 2626 places and 0 transitions.
Iterating global reduction 2 with 4343 rules applied. Total rules applied 50198 place count 11341 transition count 15554
Drop transitions (Trivial Post-Agglo cleanup.) removed 707 transitions
Trivial Post-agglo rules discarded 707 transitions
Performed 707 trivial Post agglomeration. Transition count delta: 707
Iterating post reduction 2 with 707 rules applied. Total rules applied 50905 place count 11341 transition count 14847
Reduce places removed 707 places and 0 transitions.
Iterating post reduction 3 with 707 rules applied. Total rules applied 51612 place count 10634 transition count 14847
Discarding 4545 places :
Symmetric choice reduction at 4 with 4545 rule applications. Total rules 56157 place count 6089 transition count 10302
Iterating global reduction 4 with 4545 rules applied. Total rules applied 60702 place count 6089 transition count 10302
Ensure Unique test removed 505 transitions
Reduce isomorphic transitions removed 505 transitions.
Discarding 202 places :
Implicit places reduction removed 202 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 808 transitions
Trivial Post-agglo rules discarded 808 transitions
Performed 808 trivial Post agglomeration. Transition count delta: 808
Iterating post reduction 4 with 1515 rules applied. Total rules applied 62217 place count 5887 transition count 8989
Reduce places removed 808 places and 0 transitions.
Iterating post reduction 5 with 808 rules applied. Total rules applied 63025 place count 5079 transition count 8989
Performed 101 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 101 Pre rules applied. Total rules applied 63025 place count 5079 transition count 8888
Deduced a syphon composed of 101 places in 15 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 6 with 202 rules applied. Total rules applied 63227 place count 4978 transition count 8888
Discarding 20 places :
Symmetric choice reduction at 6 with 20 rule applications. Total rules 63247 place count 4958 transition count 6868
Iterating global reduction 6 with 20 rules applied. Total rules applied 63267 place count 4958 transition count 6868
Ensure Unique test removed 1010 transitions
Reduce isomorphic transitions removed 1010 transitions.
Discarding 404 places :
Implicit places reduction removed 404 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 404 transitions
Trivial Post-agglo rules discarded 404 transitions
Performed 404 trivial Post agglomeration. Transition count delta: 404
Iterating post reduction 6 with 1818 rules applied. Total rules applied 65085 place count 4554 transition count 5454
Reduce places removed 404 places and 0 transitions.
Iterating post reduction 7 with 404 rules applied. Total rules applied 65489 place count 4150 transition count 5454
Performed 202 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 8 with 202 Pre rules applied. Total rules applied 65489 place count 4150 transition count 5252
Deduced a syphon composed of 202 places in 3 ms
Reduce places removed 202 places and 0 transitions.
Iterating global reduction 8 with 404 rules applied. Total rules applied 65893 place count 3948 transition count 5252
Discarding 1010 places :
Symmetric choice reduction at 8 with 1010 rule applications. Total rules 66903 place count 2938 transition count 4242
Iterating global reduction 8 with 1010 rules applied. Total rules applied 67913 place count 2938 transition count 4242
Ensure Unique test removed 1010 transitions
Reduce isomorphic transitions removed 1010 transitions.
Discarding 101 places :
Implicit places reduction removed 101 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 202 transitions
Trivial Post-agglo rules discarded 202 transitions
Performed 202 trivial Post agglomeration. Transition count delta: 202
Iterating post reduction 8 with 1313 rules applied. Total rules applied 69226 place count 2837 transition count 3030
Reduce places removed 202 places and 0 transitions.
Iterating post reduction 9 with 202 rules applied. Total rules applied 69428 place count 2635 transition count 3030
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: 101
Deduced a syphon composed of 101 places in 4 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 10 with 202 rules applied. Total rules applied 69630 place count 2534 transition count 2929
Free-agglomeration rule (complex) applied 404 times.
Iterating global reduction 10 with 404 rules applied. Total rules applied 70034 place count 2534 transition count 2525
Reduce places removed 404 places and 0 transitions.
Iterating post reduction 10 with 404 rules applied. Total rules applied 70438 place count 2130 transition count 2525
Reduce places removed 101 places and 101 transitions.
Iterating global reduction 11 with 101 rules applied. Total rules applied 70539 place count 2029 transition count 2424
Applied a total of 70539 rules in 6641 ms. Remains 2029 /40574 variables (removed 38545) and now considering 2424/36871 (removed 34447) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6653 ms. Remains : 2029/40574 places, 2424/36871 transitions.
RANDOM walk for 1150 steps (0 resets) in 144 ms. (7 steps per ms) remains 0/7 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 66 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 27147 ms.

BK_STOP 1779608129827

--------------------
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="FamilyReunion-COL-L00100M0010C005P005G002"
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 FamilyReunion-COL-L00100M0010C005P005G002, 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 r136-smll-177955810900017"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FamilyReunion-COL-L00100M0010C005P005G002.tgz
mv FamilyReunion-COL-L00100M0010C005P005G002 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 ;