fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r344-smll-178021500900132
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for ErlangenMainframeV2-PT-bP01C01

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
249.460 4706.00 9567.00 132.00 T normal

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.r344-smll-178021500900132.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)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is ErlangenMainframeV2-PT-bP01C01, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r344-smll-178021500900132
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 464K
-rw-r--r-- 1 mcc users 7.7K May 27 09:38 CTLCardinality.txt
-rw-r--r-- 1 mcc users 86K May 27 09:38 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K May 27 09:38 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K May 27 09:38 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K May 27 10:40 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 27 10:40 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 27 10:40 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 27 10:40 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 26 18:17 NewModel
-rw-r--r-- 1 mcc users 11K May 27 09:38 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 106K May 27 09:38 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.4K May 27 09:38 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 37K May 27 09:38 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 27 10:40 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 27 10:40 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 26 18:17 equiv_col
-rw-r--r-- 1 mcc users 8 May 26 18:17 instance
-rw-r--r-- 1 mcc users 6 May 26 18:17 iscolored
-rw-r--r-- 1 mcc users 54K May 26 18:17 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 1780318235448

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=ErlangenMainframeV2-PT-bP01C01
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-06-01 12:50:37] [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]
[2026-06-01 12:50:37] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-06-01 12:50:37] [INFO ] Load time of PNML (sax parser for PT used): 115 ms
[2026-06-01 12:50:38] [INFO ] Transformed 179 places.
[2026-06-01 12:50:38] [INFO ] Transformed 223 transitions.
[2026-06-01 12:50:38] [INFO ] Found NUPN structural information;
[2026-06-01 12:50:38] [INFO ] Parsed PT model containing 179 places and 223 transitions and 639 arcs in 304 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 179/179 places, 223/223 transitions.
Graph (trivial) has 172 edges and 179 vertex of which 12 / 179 are part of one of the 5 SCC in 15 ms
Free SCC test removed 7 places
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 76 transitions
Trivial Post-agglo rules discarded 76 transitions
Performed 76 trivial Post agglomeration. Transition count delta: 76
Iterating post reduction 0 with 76 rules applied. Total rules applied 77 place count 172 transition count 139
Reduce places removed 76 places and 0 transitions.
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 1 with 88 rules applied. Total rules applied 165 place count 96 transition count 127
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 168 place count 93 transition count 127
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 4 Pre rules applied. Total rules applied 168 place count 93 transition count 123
Deduced a syphon composed of 4 places in 1 ms
Ensure Unique test removed 1 places
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 9 rules applied. Total rules applied 177 place count 88 transition count 123
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 3 with 88 rules applied. Total rules applied 265 place count 44 transition count 79
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 273 place count 40 transition count 79
Applied a total of 273 rules in 149 ms. Remains 40 /179 variables (removed 139) and now considering 79/223 (removed 144) transitions.
[2026-06-01 12:50:38] [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-17889254777505924539.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1735040954710375080.kers'
[2026-06-01 12:50:38] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17889254777505924539.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1735040954710375080.kers]
Normalized transition count is 72 out of 73 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 72 rows 39 cols 304 entries
Finished phase 1 with 28 SingleSign rule and 3 generalized
[2026-06-01 12:50:38] [INFO ] Computed 9 invariants in 0 ms
Computed 9 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-1735040954710375080.kers
Total runtime 2 ms.
[2026-06-01 12:50:38] [INFO ] Implicit Places using invariants in 467 ms returned [18]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 561 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 39/179 places, 79/223 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 36 transition count 76
Applied a total of 6 rules in 5 ms. Remains 36 /39 variables (removed 3) and now considering 76/79 (removed 3) transitions.
[2026-06-01 12:50:38] [INFO ] Flow matrix only has 70 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-16040288644778907998.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7402187806621465766.kers'
[2026-06-01 12:50:38] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16040288644778907998.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7402187806621465766.kers]
Normalized transition count is 69 out of 70 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 69 rows 34 cols 279 entries
Finished phase 1 with 28 SingleSign rule and 0 generalized
[2026-06-01 12:50:38] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-7402187806621465766.kers
Total runtime 1 ms.
[2026-06-01 12:50:38] [INFO ] Implicit Places using invariants in 151 ms returned [1]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 154 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 35/179 places, 76/223 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -4
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 33 transition count 80
Applied a total of 4 rules in 5 ms. Remains 33 /35 variables (removed 2) and now considering 80/76 (removed -4) transitions.
[2026-06-01 12:50:38] [INFO ] Flow matrix only has 71 transitions (discarded 9 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9154730417716263224.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3387368809803445644.kers'
[2026-06-01 12:50:38] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9154730417716263224.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3387368809803445644.kers]
Normalized transition count is 70 out of 71 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 70 rows 32 cols 281 entries
Finished phase 1 with 26 SingleSign rule and 0 generalized
[2026-06-01 12:50:39] [INFO ] Computed 7 invariants in 1 ms
Computed 7 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-3387368809803445644.kers
Total runtime 3 ms.
[2026-06-01 12:50:39] [INFO ] Implicit Places using invariants in 133 ms returned []
[2026-06-01 12:50:39] [INFO ] Flow matrix only has 71 transitions (discarded 9 similar events)
[2026-06-01 12:50:39] [INFO ] Invariant cache hit.
[2026-06-01 12:50:39] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-06-01 12:50:39] [INFO ] Implicit Places using invariants and state equation in 222 ms returned []
Implicit Place search using SMT with State Equation took 364 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 3 : 33/179 places, 80/223 transitions.
Finished structural reductions in LIVENESS mode , in 3 iterations and 1276 ms. Remains : 33/179 places, 80/223 transitions.
Discarding 33 transitions out of 80. Remains 47
Initial state reduction rules removed 1 formulas.
RANDOM walk for 12825 steps (623 resets) in 860 ms. (14 steps per ms) remains 0/46 properties
[2026-06-01 12:50:39] [INFO ] Flatten gal took : 65 ms
[2026-06-01 12:50:40] [INFO ] Flatten gal took : 19 ms
[2026-06-01 12:50:40] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11519108025675295702.gal : 14 ms
[2026-06-01 12:50:40] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4201797110632260499.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/ReachabilityCardinality11519108025675295702.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4201797110632260499.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 47 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 2384 ms.

BK_STOP 1780318240154

--------------------
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="ErlangenMainframeV2-PT-bP01C01"
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 ErlangenMainframeV2-PT-bP01C01, 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 r344-smll-178021500900132"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ErlangenMainframeV2-PT-bP01C01.tgz
mv ErlangenMainframeV2-PT-bP01C01 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 ;