fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r098-tall-177955695500334
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for DiscoveryGPU-PT-12a

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
293.731 2521.00 6378.00 35.20 FFFTTFTFFTTFFTFF 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.r098-tall-177955695500334.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-12a, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695500334
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 484K
-rw-r--r-- 1 mcc users 6.6K Mar 6 16:56 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K Mar 6 16:56 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K Mar 6 16:53 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K Mar 6 16:53 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:14 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 09:14 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 15 09:14 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Mar 15 09:14 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 6 16:56 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 141K Mar 6 16:56 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.6K Mar 6 16:56 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 51K Mar 6 16:56 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:14 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:14 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 43K 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

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME DiscoveryGPU-PT-12a-ReachabilityCardinality-2024-00
FORMULA_NAME DiscoveryGPU-PT-12a-ReachabilityCardinality-2024-01
FORMULA_NAME DiscoveryGPU-PT-12a-ReachabilityCardinality-2024-02
FORMULA_NAME DiscoveryGPU-PT-12a-ReachabilityCardinality-2024-03
FORMULA_NAME DiscoveryGPU-PT-12a-ReachabilityCardinality-2024-04
FORMULA_NAME DiscoveryGPU-PT-12a-ReachabilityCardinality-2024-05
FORMULA_NAME DiscoveryGPU-PT-12a-ReachabilityCardinality-2024-06
FORMULA_NAME DiscoveryGPU-PT-12a-ReachabilityCardinality-2024-07
FORMULA_NAME DiscoveryGPU-PT-12a-ReachabilityCardinality-2024-08
FORMULA_NAME DiscoveryGPU-PT-12a-ReachabilityCardinality-2024-09
FORMULA_NAME DiscoveryGPU-PT-12a-ReachabilityCardinality-2024-10
FORMULA_NAME DiscoveryGPU-PT-12a-ReachabilityCardinality-2024-11
FORMULA_NAME DiscoveryGPU-PT-12a-ReachabilityCardinality-2024-12
FORMULA_NAME DiscoveryGPU-PT-12a-ReachabilityCardinality-2024-13
FORMULA_NAME DiscoveryGPU-PT-12a-ReachabilityCardinality-2024-14
FORMULA_NAME DiscoveryGPU-PT-12a-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779601462918

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DiscoveryGPU-PT-12a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-24 05:44:23] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-24 05:44:24] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 05:44:24] [INFO ] Load time of PNML (sax parser for PT used): 61 ms
[2026-05-24 05:44:24] [INFO ] Transformed 123 places.
[2026-05-24 05:44:24] [INFO ] Transformed 169 transitions.
[2026-05-24 05:44:24] [INFO ] Found NUPN structural information;
[2026-05-24 05:44:24] [INFO ] Parsed PT model containing 123 places and 169 transitions and 543 arcs in 148 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 19 ms.
Working with output stream class java.io.PrintStream
FORMULA DiscoveryGPU-PT-12a-ReachabilityCardinality-2024-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DiscoveryGPU-PT-12a-ReachabilityCardinality-2024-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DiscoveryGPU-PT-12a-ReachabilityCardinality-2024-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DiscoveryGPU-PT-12a-ReachabilityCardinality-2024-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DiscoveryGPU-PT-12a-ReachabilityCardinality-2024-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-24 05:44:24] [INFO ] Flatten gal took : 68 ms
[2026-05-24 05:44:24] [INFO ] Flatten gal took : 23 ms
RANDOM walk for 40000 steps (310 resets) in 1381 ms. (28 steps per ms) remains 3/11 properties
FORMULA DiscoveryGPU-PT-12a-ReachabilityCardinality-2024-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-12a-ReachabilityCardinality-2024-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-12a-ReachabilityCardinality-2024-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-12a-ReachabilityCardinality-2024-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-12a-ReachabilityCardinality-2024-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-12a-ReachabilityCardinality-2024-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-12a-ReachabilityCardinality-2024-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-12a-ReachabilityCardinality-2024-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-24 05:44:24] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3976279094545377051.gal : 18 ms
[2026-05-24 05:44:24] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17711906497232328179.prop : 5 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/ReachabilityCardinality3976279094545377051.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17711906497232328179.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
Loading property file /tmp/ReachabilityCardinality17711906497232328179.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 43
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :43 after 164
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :164 after 166
BEST_FIRST walk for 40004 steps (28 resets) in 441 ms. (90 steps per ms) remains 3/3 properties
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :166 after 1530
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :1530 after 1550
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :1550 after 1555
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :1555 after 8940
BEST_FIRST walk for 40004 steps (8 resets) in 441 ms. (90 steps per ms) remains 3/3 properties
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :8940 after 69525
BEST_FIRST walk for 40003 steps (11 resets) in 98 ms. (404 steps per ms) remains 3/3 properties
[2026-05-24 05:44:25] [INFO ] Flow matrix only has 157 transitions (discarded 12 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5156005053510514216.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8556237295442986905.kers'
[2026-05-24 05:44:25] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5156005053510514216.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8556237295442986905.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 157 rows 121 cols 301 entries
Finished phase 1 with 121 SingleSign rule and 0 generalized
[2026-05-24 05:44:25] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-8556237295442986905.kers
Total runtime 1 ms.
[2026-05-24 05:44:25] [INFO ] State equation strengthened by 96 read => feed constraints.
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :69525 after 697505
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/48 variables, 48/48 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/48 variables, 2/50 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/48 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 82/130 variables, 48/98 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem DiscoveryGPU-PT-12a-ReachabilityCardinality-2024-01 is UNSAT
FORMULA DiscoveryGPU-PT-12a-ReachabilityCardinality-2024-01 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 4 (INCLUDED_ONLY) 0/130 variables, 53/151 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/130 variables, 0/151 constraints. Problems are: Problem set: 1 solved, 2 unsolved
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,3.13843e+12,0.569942,25192,2,867,14,154902,9,0,709,56583,0
Total reachable state count : 3138428376722

Verifying 3 reachability properties.
Reachability property DiscoveryGPU-PT-12a-ReachabilityCardinality-2024-01 does not hold.
No reachable states exhibit your property : DiscoveryGPU-PT-12a-ReachabilityCardinality-2024-01

At refinement iteration 6 (OVERLAPS) 94/224 variables, 45/196 constraints. Problems are: Problem set: 1 solved, 2 unsolved
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DiscoveryGPU-PT-12a-ReachabilityCardinality-2024-01,0,0.572296,25192,1,0,14,154902,9,0,726,56583,0
Invariant property DiscoveryGPU-PT-12a-ReachabilityCardinality-2024-02 does not hold.
FORMULA DiscoveryGPU-PT-12a-ReachabilityCardinality-2024-02 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DiscoveryGPU-PT-12a-ReachabilityCardinality-2024-02,40950,0.575504,25192,2,411,14,154902,9,0,764,56583,0
Invariant property DiscoveryGPU-PT-12a-ReachabilityCardinality-2024-03 is true.
FORMULA DiscoveryGPU-PT-12a-ReachabilityCardinality-2024-03 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DiscoveryGPU-PT-12a-ReachabilityCardinality-2024-03,0,0.575987,25192,1,0,14,154902,9,0,768,56583,0
ITS tools runner thread asked to quit. Dying gracefully.
After SMT solving in domain Real declared 224/280 variables, and 241 constraints, problems are : Problem set: 3 solved, 0 unsolved in 315 ms.
Refiners :[Domain max(s): 93/123 constraints, Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 93/123 constraints, ReadFeed: 53/96 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 384ms problems are : Problem set: 3 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
All properties solved without resorting to model-checking.
Total runtime 1395 ms.

BK_STOP 1779601465439

--------------------
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
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ 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 ReachabilityCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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-12a"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
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-12a, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r098-tall-177955695500334"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DiscoveryGPU-PT-12a.tgz
mv DiscoveryGPU-PT-12a execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;