fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r098-tall-177955695500295
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for DiscoveryGPU-PT-09b

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
416.239 4826.00 12788.00 51.40 FFTFTTTFTTFTTTTT 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-177955695500295.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-09b, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695500295
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 476K
-rw-r--r-- 1 mcc users 6.1K Mar 6 16:12 CTLCardinality.txt
-rw-r--r-- 1 mcc users 64K Mar 6 16:12 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Mar 6 16:12 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K Mar 6 16:12 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 4.0K Mar 15 09:12 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 09:12 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 09:12 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 09:12 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.6K Mar 6 16:12 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 100K Mar 6 16:12 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Mar 6 16:12 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 53K Mar 6 16:12 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 09:12 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:12 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 68K 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-09b-ReachabilityFireability-2024-00
FORMULA_NAME DiscoveryGPU-PT-09b-ReachabilityFireability-2024-01
FORMULA_NAME DiscoveryGPU-PT-09b-ReachabilityFireability-2024-02
FORMULA_NAME DiscoveryGPU-PT-09b-ReachabilityFireability-2024-03
FORMULA_NAME DiscoveryGPU-PT-09b-ReachabilityFireability-2024-04
FORMULA_NAME DiscoveryGPU-PT-09b-ReachabilityFireability-2024-05
FORMULA_NAME DiscoveryGPU-PT-09b-ReachabilityFireability-2024-06
FORMULA_NAME DiscoveryGPU-PT-09b-ReachabilityFireability-2024-07
FORMULA_NAME DiscoveryGPU-PT-09b-ReachabilityFireability-2024-08
FORMULA_NAME DiscoveryGPU-PT-09b-ReachabilityFireability-2024-09
FORMULA_NAME DiscoveryGPU-PT-09b-ReachabilityFireability-2024-10
FORMULA_NAME DiscoveryGPU-PT-09b-ReachabilityFireability-2024-11
FORMULA_NAME DiscoveryGPU-PT-09b-ReachabilityFireability-2024-12
FORMULA_NAME DiscoveryGPU-PT-09b-ReachabilityFireability-2024-13
FORMULA_NAME DiscoveryGPU-PT-09b-ReachabilityFireability-2024-14
FORMULA_NAME DiscoveryGPU-PT-09b-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779598359856

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DiscoveryGPU-PT-09b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-24 04:52:41] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-24 04:52:41] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 04:52:41] [INFO ] Load time of PNML (sax parser for PT used): 77 ms
[2026-05-24 04:52:41] [INFO ] Transformed 268 places.
[2026-05-24 04:52:41] [INFO ] Transformed 284 transitions.
[2026-05-24 04:52:41] [INFO ] Found NUPN structural information;
[2026-05-24 04:52:41] [INFO ] Parsed PT model containing 268 places and 284 transitions and 740 arcs in 172 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 12 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40000 steps (133 resets) in 1483 ms. (26 steps per ms) remains 2/16 properties
FORMULA DiscoveryGPU-PT-09b-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-09b-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-09b-ReachabilityFireability-2024-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-09b-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-09b-ReachabilityFireability-2024-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-09b-ReachabilityFireability-2024-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-09b-ReachabilityFireability-2024-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-09b-ReachabilityFireability-2024-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-09b-ReachabilityFireability-2024-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-09b-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-09b-ReachabilityFireability-2024-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-09b-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-09b-ReachabilityFireability-2024-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-09b-ReachabilityFireability-2024-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-24 04:52:42] [INFO ] Flatten gal took : 79 ms
[2026-05-24 04:52:42] [INFO ] Flatten gal took : 27 ms
BEST_FIRST walk for 40004 steps (22 resets) in 463 ms. (86 steps per ms) remains 2/2 properties
[2026-05-24 04:52:42] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9987761783763824319.gal : 26 ms
[2026-05-24 04:52:42] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14633020975577537560.prop : 1 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/ReachabilityCardinality9987761783763824319.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14633020975577537560.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (23 resets) in 568 ms. (70 steps per ms) remains 2/2 properties

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/ReachabilityCardinality14633020975577537560.prop.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5454667919309317095.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8072546800085138495.kers'
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 10
[2026-05-24 04:52:42] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5454667919309317095.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8072546800085138495.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 284 rows 268 cols 740 entries
Finished phase 1 with 257 SingleSign rule and 0 generalized
[2026-05-24 04:52:42] [INFO ] Computed 11 invariants in 1 ms
Computed 11 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-8072546800085138495.kers
Total runtime 2 ms.
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 18
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :18 after 99
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :99 after 768
Excessive predecessor constraint size, skipping predecessor.
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :768 after 10198
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :10198 after 10910
SDD proceeding with computation,2 properties remain. new max is 512
All remaining problems are real, not stopping.
SDD size :10910 after 24686
At refinement iteration 0 (INCLUDED_ONLY) 0/43 variables, 43/43 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/43 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :24686 after 25781
At refinement iteration 2 (OVERLAPS) 225/268 variables, 11/54 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :25781 after 27224
At refinement iteration 3 (INCLUDED_ONLY) 0/268 variables, 225/279 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/268 variables, 0/279 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 284/552 variables, 268/547 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :27224 after 56418
At refinement iteration 6 (INCLUDED_ONLY) 0/552 variables, 0/547 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/552 variables, 0/547 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 552/552 variables, and 547 constraints, problems are : Problem set: 0 solved, 2 unsolved in 987 ms.
Refiners :[Domain max(s): 268/268 constraints, Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 268/268 constraints, PredecessorRefiner: 2/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/43 variables, 43/43 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/43 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem DiscoveryGPU-PT-09b-ReachabilityFireability-2024-09 is UNSAT
FORMULA DiscoveryGPU-PT-09b-ReachabilityFireability-2024-09 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 225/268 variables, 11/54 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/268 variables, 225/279 constraints. Problems are: Problem set: 1 solved, 1 unsolved
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :56418 after 164024
Problem DiscoveryGPU-PT-09b-ReachabilityFireability-2024-12 is UNSAT
FORMULA DiscoveryGPU-PT-09b-ReachabilityFireability-2024-12 TRUE TECHNIQUES SMT_REFINEMENT
After SMT solving in domain Int declared 268/552 variables, and 284 constraints, problems are : Problem set: 2 solved, 0 unsolved in 1119 ms.
Refiners :[Domain max(s): 268/268 constraints, Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 0/268 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2225ms problems are : Problem set: 2 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 3417 ms.

BK_STOP 1779598364682

--------------------
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
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -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//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -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-09b"
export BK_EXAMINATION="ReachabilityFireability"
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-09b, examination is ReachabilityFireability"
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-177955695500295"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DiscoveryGPU-PT-09b.tgz
mv DiscoveryGPU-PT-09b execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;