fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r098-tall-177955695500311
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for DiscoveryGPU-PT-10b

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
366.600 3237.00 9386.00 27.70 FTTFFFFFTFTFTTTT 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-177955695500311.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 DiscoveryGPU-PT-10b, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695500311
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 524K
-rw-r--r-- 1 mcc users 5.9K Mar 6 16:15 CTLCardinality.txt
-rw-r--r-- 1 mcc users 57K Mar 6 16:15 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K Mar 6 16:15 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Mar 6 16:15 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 3.9K Mar 15 09:13 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 09:13 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 09:13 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 09:13 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 6 16:15 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 142K Mar 6 16:15 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.5K Mar 6 16:15 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 61K Mar 6 16:15 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 09:13 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:13 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 75K 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-10b-ReachabilityFireability-2024-00
FORMULA_NAME DiscoveryGPU-PT-10b-ReachabilityFireability-2024-01
FORMULA_NAME DiscoveryGPU-PT-10b-ReachabilityFireability-2024-02
FORMULA_NAME DiscoveryGPU-PT-10b-ReachabilityFireability-2024-03
FORMULA_NAME DiscoveryGPU-PT-10b-ReachabilityFireability-2024-04
FORMULA_NAME DiscoveryGPU-PT-10b-ReachabilityFireability-2024-05
FORMULA_NAME DiscoveryGPU-PT-10b-ReachabilityFireability-2024-06
FORMULA_NAME DiscoveryGPU-PT-10b-ReachabilityFireability-2024-07
FORMULA_NAME DiscoveryGPU-PT-10b-ReachabilityFireability-2024-08
FORMULA_NAME DiscoveryGPU-PT-10b-ReachabilityFireability-2024-09
FORMULA_NAME DiscoveryGPU-PT-10b-ReachabilityFireability-2024-10
FORMULA_NAME DiscoveryGPU-PT-10b-ReachabilityFireability-2024-11
FORMULA_NAME DiscoveryGPU-PT-10b-ReachabilityFireability-2024-12
FORMULA_NAME DiscoveryGPU-PT-10b-ReachabilityFireability-2024-13
FORMULA_NAME DiscoveryGPU-PT-10b-ReachabilityFireability-2024-14
FORMULA_NAME DiscoveryGPU-PT-10b-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779599181957

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-10b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-24 05:06:23] [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 05:06:23] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 05:06:23] [INFO ] Load time of PNML (sax parser for PT used): 77 ms
[2026-05-24 05:06:23] [INFO ] Transformed 296 places.
[2026-05-24 05:06:23] [INFO ] Transformed 314 transitions.
[2026-05-24 05:06:23] [INFO ] Found NUPN structural information;
[2026-05-24 05:06:23] [INFO ] Parsed PT model containing 296 places and 314 transitions and 819 arcs in 169 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 (123 resets) in 1413 ms. (28 steps per ms) remains 3/16 properties
FORMULA DiscoveryGPU-PT-10b-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-10b-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-10b-ReachabilityFireability-2024-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-10b-ReachabilityFireability-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-10b-ReachabilityFireability-2024-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-10b-ReachabilityFireability-2024-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-10b-ReachabilityFireability-2024-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-10b-ReachabilityFireability-2024-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-10b-ReachabilityFireability-2024-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-10b-ReachabilityFireability-2024-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-10b-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-10b-ReachabilityFireability-2024-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DiscoveryGPU-PT-10b-ReachabilityFireability-2024-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-24 05:06:23] [INFO ] Flatten gal took : 84 ms
[2026-05-24 05:06:23] [INFO ] Flatten gal took : 61 ms
[2026-05-24 05:06:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13578810055588745.gal : 29 ms
BEST_FIRST walk for 40002 steps (15 resets) in 413 ms. (96 steps per ms) remains 2/3 properties
FORMULA DiscoveryGPU-PT-10b-ReachabilityFireability-2024-06 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2026-05-24 05:06:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality643669303896203978.prop : 7 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/ReachabilityCardinality13578810055588745.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality643669303896203978.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 ...325
Loading property file /tmp/ReachabilityCardinality643669303896203978.prop.
BEST_FIRST walk for 40003 steps (24 resets) in 306 ms. (130 steps per ms) remains 2/2 properties
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
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 11
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :11 after 30
BEST_FIRST walk for 40003 steps (12 resets) in 594 ms. (67 steps per ms) remains 2/2 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17950930105865390658.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-656416359580372707.kers'
[2026-05-24 05:06:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17950930105865390658.kers, --Pflows, --basisKERS=/tmp/petrispot-output-656416359580372707.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 314 rows 296 cols 819 entries
Finished phase 1 with 284 SingleSign rule and 0 generalized
[2026-05-24 05:06:24] [INFO ] Computed 12 invariants in 1 ms
Computed 12 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-656416359580372707.kers
Total runtime 2 ms.
Excessive predecessor constraint size, skipping predecessor.
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :30 after 386
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :386 after 1536
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :1536 after 19198
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 49/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :19198 after 20182
Problem DiscoveryGPU-PT-10b-ReachabilityFireability-2024-09 is UNSAT
FORMULA DiscoveryGPU-PT-10b-ReachabilityFireability-2024-09 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 247/296 variables, 12/61 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/296 variables, 247/308 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/296 variables, 0/308 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 314/610 variables, 296/604 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/610 variables, 0/604 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/610 variables, 0/604 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 610/610 variables, and 604 constraints, problems are : Problem set: 1 solved, 1 unsolved in 463 ms.
Refiners :[Domain max(s): 296/296 constraints, Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 296/296 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 32/32 constraints. Problems are: Problem set: 1 solved, 1 unsolved
SDD proceeding with computation,2 properties remain. new max is 1024
At refinement iteration 1 (INCLUDED_ONLY) 0/32 variables, 0/32 constraints. Problems are: Problem set: 1 solved, 1 unsolved
SDD size :20182 after 45618
At refinement iteration 2 (OVERLAPS) 264/296 variables, 12/44 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/296 variables, 264/308 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/296 variables, 0/308 constraints. Problems are: Problem set: 1 solved, 1 unsolved
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :45618 after 46846
At refinement iteration 5 (OVERLAPS) 314/610 variables, 296/604 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/610 variables, 0/604 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/610 variables, 0/604 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 610/610 variables, and 604 constraints, problems are : Problem set: 1 solved, 1 unsolved in 290 ms.
Refiners :[Domain max(s): 296/296 constraints, Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 296/296 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 873ms problems are : Problem set: 1 solved, 1 unsolved
Finished Parikh walk after 101 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=50 )
FORMULA DiscoveryGPU-PT-10b-ReachabilityFireability-2024-10 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 5 ms.
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 2054 ms.

BK_STOP 1779599185194

--------------------
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//
++ 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 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-10b"
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-10b, 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-177955695500311"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DiscoveryGPU-PT-10b.tgz
mv DiscoveryGPU-PT-10b 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 ;